octave-lyh: liboctave/CMatrix.cc annotate

annotate liboctave/CMatrix.cc @ 10805:8c858a1a2079

simplify Matrix::extract

author	Jaroslav Hajek <highegg@gmail.com>
date	Tue, 20 Jul 2010 12:56:05 +0200
parents	add87b12e63c
children	7c542263a92a

rev	line source
1993 1b57120c997b [project @ 1996-03-03 01:16:15 by jwe] jwe parents: 1968 diff changeset	1 // Matrix manipulations.
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2 /*
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	4 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	5 2003, 2004, 2005, 2006, 2007 John W. Eaton
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	6 Copyright (C) 2008, 2009 Jaroslav Hajek
9601 a9b37bae1802 add a couple of missing copyright statements Jaroslav Hajek <highegg@gmail.com> parents: 9578 diff changeset	7 Copyright (C) 2009 VZLU Prague, a.s.
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	8
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	9 This file is part of Octave.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	10
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	11 Octave is free software; you can redistribute it and/or modify it
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	12 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6958 diff changeset	13 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6958 diff changeset	14 option) any later version.
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	15
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	16 Octave is distributed in the hope that it will be useful, but WITHOUT
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	19 for more details.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	20
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	21 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6958 diff changeset	22 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6958 diff changeset	23 <http://www.gnu.org/licenses/>.
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	24
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	25 */
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	26
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	27 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	28 #include <config.h>
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	29 #endif
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	30
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1365 diff changeset	31 #include <cfloat>
9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1365 diff changeset	32
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3480 diff changeset	33 #include <iostream>
6209 15b299f6803d [project @ 2006-12-07 01:17:26 by jwe] jwe parents: 6207 diff changeset	34 #include <vector>
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1365 diff changeset	35
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5717 diff changeset	36 // FIXME
2443 4d941ba99862 [project @ 1996-10-30 18:51:26 by jwe] jwe parents: 2408 diff changeset	37 #include <sys/types.h>
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	38
4669 334a27c8f453 [project @ 2003-11-26 07:02:42 by jwe] jwe parents: 4593 diff changeset	39 #include "Array-util.h"
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	40 #include "CMatrix.h"
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	41 #include "CmplxAEPBAL.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	42 #include "CmplxCHOL.h"
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	43 #include "CmplxSCHUR.h"
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	44 #include "CmplxSVD.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	45 #include "DET.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1819 diff changeset	46 #include "f77-fcn.h"
7503 8c32f95c2639 convert mapper functions to new format David Bateman <dbateman@free.fr> parents: 7488 diff changeset	47 #include "functor.h"
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	48 #include "lo-error.h"
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	49 #include "lo-ieee.h"
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	50 #include "lo-mappers.h"
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	51 #include "lo-utils.h"
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1365 diff changeset	52 #include "mx-base.h"
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	53 #include "mx-cm-dm.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	54 #include "mx-cm-s.h"
3176 fccab8e7d35f [project @ 1998-05-18 20:33:31 by jwe] jwe parents: 3130 diff changeset	55 #include "mx-dm-cm.h"
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1365 diff changeset	56 #include "mx-inlines.cc"
8774 b756ce0002db split implementation and interface in mx-op-defs and MArray-defs Jaroslav Hajek <highegg@gmail.com> parents: 8743 diff changeset	57 #include "mx-op-defs.h"
1650 23aa282707e8 [project @ 1995-12-20 06:53:12 by jwe] jwe parents: 1574 diff changeset	58 #include "oct-cmplx.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	59 #include "oct-fftw.h"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	60 #include "oct-locbuf.h"
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	61 #include "oct-norm.h"
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	62
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	63 // Fortran functions we call.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	64
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	65 extern "C"
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	66 {
7477 8b22207ef9ca ilaenv --> xilaenv John W. Eaton <jwe@octave.org> parents: 7476 diff changeset	67 F77_RET_T
8b22207ef9ca ilaenv --> xilaenv John W. Eaton <jwe@octave.org> parents: 7476 diff changeset	68 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	69 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	70 const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	71 const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	72 octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	73 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
7476 e9f10b4c05cf fix workspace size calculation for xGELSD Jason Riedy parents: 7416 diff changeset	74
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	75 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	76 F77_FUNC (zgebal, ZGEBAL) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	77 const octave_idx_type&, Complex*, const octave_idx_type&, octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	78 octave_idx_type&, double*, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	79 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	80
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	81 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	82 F77_FUNC (dgebak, DGEBAK) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	83 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	84 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, double*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	85 const octave_idx_type&, double*, const octave_idx_type&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	86 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	87 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	88
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	89 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	90 F77_FUNC (zgemm, ZGEMM) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	91 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	92 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	93 const Complex&, const Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	94 const Complex*, const octave_idx_type&, const Complex&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	95 Complex*, const octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	96 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	97 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	98
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	99 F77_RET_T
5983 ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	100 F77_FUNC (zgemv, ZGEMV) (F77_CONST_CHAR_ARG_DECL,
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	101 const octave_idx_type&, const octave_idx_type&, const Complex&,
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	102 const Complex, const octave_idx_type&, const Complex,
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	103 const octave_idx_type&, const Complex&, Complex*, const octave_idx_type&
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	104 F77_CHAR_ARG_LEN_DECL);
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	105
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	106 F77_RET_T
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	107 F77_FUNC (xzdotu, XZDOTU) (const octave_idx_type&, const Complex*, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	108 const Complex*, const octave_idx_type&, Complex&);
5983 ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	109
ae09df27153f [project @ 2006-09-12 02:15:47 by jwe] jwe parents: 5958 diff changeset	110 F77_RET_T
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	111 F77_FUNC (xzdotc, XZDOTC) (const octave_idx_type&, const Complex*, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	112 const Complex*, const octave_idx_type&, Complex&);
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	113
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	114 F77_RET_T
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	115 F77_FUNC (zsyrk, ZSYRK) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	116 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	117 const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	118 const Complex&, const Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	119 const Complex&, Complex*, const octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	120 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	121 F77_CHAR_ARG_LEN_DECL);
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	122
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	123 F77_RET_T
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	124 F77_FUNC (zherk, ZHERK) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	125 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	126 const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	127 const double&, const Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	128 const double&, Complex*, const octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	129 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	130 F77_CHAR_ARG_LEN_DECL);
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	131
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	132 F77_RET_T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	133 F77_FUNC (zgetrf, ZGETRF) (const octave_idx_type&, const octave_idx_type&, Complex*, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	134 octave_idx_type*, octave_idx_type&);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	135
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	136 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	137 F77_FUNC (zgetrs, ZGETRS) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	138 const octave_idx_type&, const octave_idx_type&, Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	139 const octave_idx_type, Complex, const octave_idx_type&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	140 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	141
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	142 F77_RET_T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	143 F77_FUNC (zgetri, ZGETRI) (const octave_idx_type&, Complex, const octave_idx_type&, const octave_idx_type,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	144 Complex*, const octave_idx_type&, octave_idx_type&);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	145
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	146 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	147 F77_FUNC (zgecon, ZGECON) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	148 const octave_idx_type&, Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	149 const octave_idx_type&, const double&, double&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	150 Complex, double, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	151 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	152
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	153 F77_RET_T
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	154 F77_FUNC (zgelsy, ZGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	155 Complex, const octave_idx_type&, Complex,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	156 const octave_idx_type&, octave_idx_type*, double&, octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	157 Complex, const octave_idx_type&, double, octave_idx_type&);
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	158
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	159 F77_RET_T
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	160 F77_FUNC (zgelsd, ZGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	161 Complex, const octave_idx_type&, Complex,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	162 const octave_idx_type&, double*, double&, octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	163 Complex, const octave_idx_type&, double,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	164 octave_idx_type*, octave_idx_type&);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	165
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	166 F77_RET_T
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	167 F77_FUNC (zpotrf, ZPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	168 Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	169 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	170
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	171 F77_RET_T
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	172 F77_FUNC (zpocon, ZPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	173 Complex*, const octave_idx_type&, const double&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	174 double&, Complex, double,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	175 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	176
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	177 F77_RET_T
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	178 F77_FUNC (zpotrs, ZPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	179 const octave_idx_type&, const Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	180 const octave_idx_type&, Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	181 const octave_idx_type&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	182 F77_CHAR_ARG_LEN_DECL);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	183
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	184 F77_RET_T
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	185 F77_FUNC (ztrtri, ZTRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	186 const octave_idx_type&, const Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	187 const octave_idx_type&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	188 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	189 F77_CHAR_ARG_LEN_DECL);
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	190
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	191 F77_RET_T
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	192 F77_FUNC (ztrcon, ZTRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	193 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	194 const Complex*, const octave_idx_type&, double&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	195 Complex, double, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	196 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	197 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	198 F77_CHAR_ARG_LEN_DECL);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	199
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	200 F77_RET_T
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	201 F77_FUNC (ztrtrs, ZTRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	202 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	203 const octave_idx_type&, const Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	204 const octave_idx_type&, Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	205 const octave_idx_type&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	206 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	207 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	208 F77_CHAR_ARG_LEN_DECL);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	209
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	210 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	211 F77_FUNC (zlartg, ZLARTG) (const Complex&, const Complex&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	212 double&, Complex&, Complex&);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	213
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	214 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	215 F77_FUNC (ztrsyl, ZTRSYL) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	216 F77_CONST_CHAR_ARG_DECL,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	217 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	218 const Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	219 const Complex*, const octave_idx_type&,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	220 const Complex*, const octave_idx_type&, double&, octave_idx_type&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	221 F77_CHAR_ARG_LEN_DECL
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	222 F77_CHAR_ARG_LEN_DECL);
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	223
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	224 F77_RET_T
6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	225 F77_FUNC (xzlange, XZLANGE) (F77_CONST_CHAR_ARG_DECL,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	226 const octave_idx_type&, const octave_idx_type&, const Complex*,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	227 const octave_idx_type&, double*, double&
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	228 F77_CHAR_ARG_LEN_DECL);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	229 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	230
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	231 static const Complex Complex_NaN_result (octave_NaN, octave_NaN);
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	232
1360 7eb93d12654c [project @ 1995-09-05 21:51:54 by jwe] jwe parents: 1321 diff changeset	233 // Complex Matrix class
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	234
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	235 ComplexMatrix::ComplexMatrix (const Matrix& a)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	236 : MArray<Complex> (a)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	237 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	238 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	239
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	240 ComplexMatrix::ComplexMatrix (const RowVector& rv)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	241 : MArray<Complex> (rv)
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	242 {
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	243 }
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	244
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	245 ComplexMatrix::ComplexMatrix (const ColumnVector& cv)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	246 : MArray<Complex> (cv)
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	247 {
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	248 }
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	249
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	250 ComplexMatrix::ComplexMatrix (const DiagMatrix& a)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	251 : MArray<Complex> (a.rows (), a.cols (), 0.0)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	252 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	253 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	254 elem (i, i) = a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	255 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	256
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	257 ComplexMatrix::ComplexMatrix (const ComplexRowVector& rv)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	258 : MArray<Complex> (rv)
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	259 {
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	260 }
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	261
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	262 ComplexMatrix::ComplexMatrix (const ComplexColumnVector& cv)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	263 : MArray<Complex> (cv)
2349 b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	264 {
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	265 }
b369227ce3d2 [project @ 1996-07-27 07:59:20 by jwe] jwe parents: 1993 diff changeset	266
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	267 ComplexMatrix::ComplexMatrix (const ComplexDiagMatrix& a)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	268 : MArray<Complex> (a.rows (), a.cols (), 0.0)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	269 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	270 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	271 elem (i, i) = a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	272 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	273
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5717 diff changeset	274 // FIXME -- could we use a templated mixed-type copy function
1574 dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	275 // here?
dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	276
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	277 ComplexMatrix::ComplexMatrix (const boolMatrix& a)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	278 : MArray<Complex> (a)
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	279 {
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	280 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	281
1574 dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	282 ComplexMatrix::ComplexMatrix (const charMatrix& a)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	283 : MArray<Complex> (a.rows (), a.cols (), 0.0)
1574 dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	284 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	285 for (octave_idx_type i = 0; i < a.rows (); i++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	286 for (octave_idx_type j = 0; j < a.cols (); j++)
8956 d91fa4b20bbb ensure nonnegative char -> real conversion Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	287 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
1574 dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	288 }
dd7d27461567 [project @ 1995-10-19 04:34:20 by jwe] jwe parents: 1561 diff changeset	289
9663 7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	290 ComplexMatrix::ComplexMatrix (const Matrix& re, const Matrix& im)
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	291 : MArray<Complex> (re.rows (), re.cols ())
9663 7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	292 {
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	293 if (im.rows () != rows () \|\| im.cols () != cols ())
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	294 (*current_liboctave_error_handler) ("complex: internal error");
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	295
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	296 octave_idx_type nel = numel ();
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	297 for (octave_idx_type i = 0; i < nel; i++)
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	298 xelem (i) = Complex (re(i), im(i));
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	299 }
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	300
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	301 bool
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	302 ComplexMatrix::operator == (const ComplexMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	303 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	304 if (rows () != a.rows () \|\| cols () != a.cols ())
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	305 return false;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	306
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	307 return mx_inline_equal (length (), data (), a.data ());
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	308 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	309
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	310 bool
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	311 ComplexMatrix::operator != (const ComplexMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	312 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	313 return !(*this == a);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	314 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	315
2815 33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	316 bool
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	317 ComplexMatrix::is_hermitian (void) const
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	318 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	319 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	320 octave_idx_type nc = cols ();
2815 33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	321
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	322 if (is_square () && nr > 0)
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	323 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	324 for (octave_idx_type i = 0; i < nr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	325 for (octave_idx_type j = i; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	326 if (elem (i, j) != conj (elem (j, i)))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	327 return false;
2815 33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	328
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	329 return true;
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	330 }
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	331
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	332 return false;
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	333 }
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe] jwe parents: 2800 diff changeset	334
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	335 // destructive insert/delete/reorder operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	336
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	337 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	338 ComplexMatrix::insert (const Matrix& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	339 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	340 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	341 octave_idx_type a_nc = a.cols ();
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	342
0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	343 if (r < 0 \|\| r + a_nr > rows () \|\| c < 0 \|\| c + a_nc > cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	344 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	345 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	346 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	347 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	348
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	349 if (a_nr >0 && a_nc > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	350 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	351 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	352
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	353 for (octave_idx_type j = 0; j < a_nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	354 for (octave_idx_type i = 0; i < a_nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	355 xelem (r+i, c+j) = a.elem (i, j);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	356 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	357
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	358 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	359 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	360
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	361 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	362 ComplexMatrix::insert (const RowVector& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	363 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	364 octave_idx_type a_len = a.length ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	365
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	366 if (r < 0 \|\| r >= rows () \|\| c < 0 \|\| c + a_len > cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	367 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	368 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	369 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	370 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	371
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	372 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	373 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	374 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	375
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	376 for (octave_idx_type i = 0; i < a_len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	377 xelem (r, c+i) = a.elem (i);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	378 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	379
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	380 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	381 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	382
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	383 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	384 ComplexMatrix::insert (const ColumnVector& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	385 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	386 octave_idx_type a_len = a.length ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	387
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	388 if (r < 0 \|\| r + a_len > rows () \|\| c < 0 \|\| c >= cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	389 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	390 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	391 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	392 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	393
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	394 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	395 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	396 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	397
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	398 for (octave_idx_type i = 0; i < a_len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	399 xelem (r+i, c) = a.elem (i);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	400 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	401
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	402 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	403 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	404
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	405 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	406 ComplexMatrix::insert (const DiagMatrix& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	407 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	408 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	409 octave_idx_type a_nc = a.cols ();
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	410
0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	411 if (r < 0 \|\| r + a_nr > rows () \|\| c < 0 \|\| c + a_nc > cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	412 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	413 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	414 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	415 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	416
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	417 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	418
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	419 octave_idx_type a_len = a.length ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	420
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	421 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	422 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	423 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	424
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	425 for (octave_idx_type i = 0; i < a_len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	426 xelem (r+i, c+i) = a.elem (i, i);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	427 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	428
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	429 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	430 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	431
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	432 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	433 ComplexMatrix::insert (const ComplexMatrix& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	434 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	435 Array<Complex>::insert (a, r, c);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	436 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	437 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	438
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	439 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	440 ComplexMatrix::insert (const ComplexRowVector& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	441 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	442 octave_idx_type a_len = a.length ();
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	443 if (r < 0 \|\| r >= rows () \|\| c < 0 \|\| c + a_len > cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	444 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	445 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	446 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	447 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	448
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	449 for (octave_idx_type i = 0; i < a_len; i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	450 elem (r, c+i) = a.elem (i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	451
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	452 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	453 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	454
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	455 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	456 ComplexMatrix::insert (const ComplexColumnVector& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	457 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	458 octave_idx_type a_len = a.length ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	459
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	460 if (r < 0 \|\| r + a_len > rows () \|\| c < 0 \|\| c >= cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	461 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	462 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	463 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	464 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	465
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	466 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	467 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	468 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	469
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	470 for (octave_idx_type i = 0; i < a_len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	471 xelem (r+i, c) = a.elem (i);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	472 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	473
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	474 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	475 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	476
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	477 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	478 ComplexMatrix::insert (const ComplexDiagMatrix& a, octave_idx_type r, octave_idx_type c)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	479 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	480 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	481 octave_idx_type a_nc = a.cols ();
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	482
0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	483 if (r < 0 \|\| r + a_nr > rows () \|\| c < 0 \|\| c + a_nc > cols ())
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	484 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	485 (*current_liboctave_error_handler) ("range error for insert");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	486 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	487 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	488
1699 0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	489 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
0c6d3b73bf69 [project @ 1996-01-07 02:36:50 by jwe] jwe parents: 1657 diff changeset	490
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	491 octave_idx_type a_len = a.length ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	492
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	493 if (a_len > 0)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	494 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	495 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	496
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	497 for (octave_idx_type i = 0; i < a_len; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	498 xelem (r+i, c+i) = a.elem (i, i);
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	499 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	500
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	501 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	502 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	503
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	504 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	505 ComplexMatrix::fill (double val)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	506 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	507 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	508 octave_idx_type nc = cols ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	509
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	510 if (nr > 0 && nc > 0)
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	511 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	512 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	513
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	514 for (octave_idx_type j = 0; j < nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	515 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	516 xelem (i, j) = val;
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	517 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	518
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	519 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	520 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	521
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	522 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	523 ComplexMatrix::fill (const Complex& val)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	524 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	525 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	526 octave_idx_type nc = cols ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	527
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	528 if (nr > 0 && nc > 0)
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	529 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	530 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	531
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	532 for (octave_idx_type j = 0; j < nc; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	533 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	534 xelem (i, j) = val;
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	535 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	536
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	537 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	538 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	539
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	540 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	541 ComplexMatrix::fill (double val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	542 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	543 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	544 octave_idx_type nc = cols ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	545
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	546 if (r1 < 0 \|\| r2 < 0 \|\| c1 < 0 \|\| c2 < 0
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	547 \|\| r1 >= nr \|\| r2 >= nr \|\| c1 >= nc \|\| c2 >= nc)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	548 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	549 (*current_liboctave_error_handler) ("range error for fill");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	550 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	551 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	552
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	553 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	554 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	555
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	556 if (r2 >= r1 && c2 >= c1)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	557 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	558 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	559
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	560 for (octave_idx_type j = c1; j <= c2; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	561 for (octave_idx_type i = r1; i <= r2; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	562 xelem (i, j) = val;
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	563 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	564
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	565 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	566 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	567
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	568 ComplexMatrix&
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	569 ComplexMatrix::fill (const Complex& val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	570 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	571 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	572 octave_idx_type nc = cols ();
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	573
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	574 if (r1 < 0 \|\| r2 < 0 \|\| c1 < 0 \|\| c2 < 0
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	575 \|\| r1 >= nr \|\| r2 >= nr \|\| c1 >= nc \|\| c2 >= nc)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	576 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	577 (*current_liboctave_error_handler) ("range error for fill");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	578 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	579 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	580
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	581 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	582 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	583
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	584 if (r2 >= r1 && c2 >=c1)
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	585 {
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	586 make_unique ();
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	587
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	588 for (octave_idx_type j = c1; j <= c2; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	589 for (octave_idx_type i = r1; i <= r2; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	590 xelem (i, j) = val;
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	591 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	592
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	593 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	594 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	595
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	596 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	597 ComplexMatrix::append (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	598 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	599 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	600 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	601 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	602 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	603 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	604 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	605 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	606
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	607 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	608 ComplexMatrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	609 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	610 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	611 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	612 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	613
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	614 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	615 ComplexMatrix::append (const RowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	616 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	617 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	618 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	619 if (nr != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	620 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	621 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	622 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	623 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	624
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	625 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	626 ComplexMatrix retval (nr, nc + a.length ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	627 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	628 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	629 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	630 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	631
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	632 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	633 ComplexMatrix::append (const ColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	634 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	635 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	636 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	637 if (nr != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	638 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	639 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	640 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	641 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	642
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	643 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	644 ComplexMatrix retval (nr, nc + 1);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	645 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	646 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	647 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	648 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	649
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	650 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	651 ComplexMatrix::append (const DiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	652 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	653 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	654 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	655 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	656 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	657 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	658 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	659 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	660
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	661 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	662 ComplexMatrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	663 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	664 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	665 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	666 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	667
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	668 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	669 ComplexMatrix::append (const ComplexMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	670 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	671 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	672 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	673 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	674 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	675 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	676 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	677 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	678
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	679 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	680 ComplexMatrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	681 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	682 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	683 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	684 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	685
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	686 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	687 ComplexMatrix::append (const ComplexRowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	688 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	689 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	690 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	691 if (nr != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	692 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	693 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	694 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	695 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	696
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	697 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	698 ComplexMatrix retval (nr, nc + a.length ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	699 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	700 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	701 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	702 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	703
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	704 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	705 ComplexMatrix::append (const ComplexColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	706 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	707 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	708 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	709 if (nr != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	710 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	711 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	712 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	713 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	714
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	715 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	716 ComplexMatrix retval (nr, nc + 1);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	717 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	718 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	719 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	720 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	721
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	722 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	723 ComplexMatrix::append (const ComplexDiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	724 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	725 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	726 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	727 if (nr != a.rows ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	728 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	729 (*current_liboctave_error_handler) ("row dimension mismatch for append");
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	730 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	731 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	732
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	733 octave_idx_type nc_insert = nc;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	734 ComplexMatrix retval (nr, nc + a.cols ());
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	735 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	736 retval.insert (a, 0, nc_insert);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	737 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	738 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	739
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	740 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	741 ComplexMatrix::stack (const Matrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	742 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	743 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	744 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	745 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	746 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	747 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	748 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	749 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	750 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	751
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	752 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	753 ComplexMatrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	754 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	755 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	756 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	757 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	758
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	759 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	760 ComplexMatrix::stack (const RowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	761 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	762 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	763 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	764 if (nc != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	765 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	766 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	767 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	768 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	769 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	770
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	771 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	772 ComplexMatrix retval (nr + 1, nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	773 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	774 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	775 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	776 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	777
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	778 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	779 ComplexMatrix::stack (const ColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	780 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	781 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	782 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	783 if (nc != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	784 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	785 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	786 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	787 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	788 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	789
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	790 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	791 ComplexMatrix retval (nr + a.length (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	792 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	793 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	794 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	795 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	796
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	797 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	798 ComplexMatrix::stack (const DiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	799 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	800 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	801 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	802 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	803 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	804 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	805 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	806 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	807 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	808
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	809 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	810 ComplexMatrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	811 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	812 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	813 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	814 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	815
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	816 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	817 ComplexMatrix::stack (const ComplexMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	818 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	819 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	820 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	821 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	822 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	823 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	824 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	825 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	826 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	827
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	828 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	829 ComplexMatrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	830 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	831 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	832 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	833 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	834
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	835 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	836 ComplexMatrix::stack (const ComplexRowVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	837 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	838 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	839 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	840 if (nc != a.length ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	841 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	842 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	843 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	844 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	845 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	846
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	847 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	848 ComplexMatrix retval (nr + 1, nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	849 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	850 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	851 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	852 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	853
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	854 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	855 ComplexMatrix::stack (const ComplexColumnVector& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	856 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	857 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	858 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	859 if (nc != 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	860 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	861 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	862 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	863 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	864 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	865
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	866 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	867 ComplexMatrix retval (nr + a.length (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	868 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	869 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	870 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	871 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	872
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	873 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	874 ComplexMatrix::stack (const ComplexDiagMatrix& a) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	875 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	876 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	877 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	878 if (nc != a.cols ())
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	879 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	880 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	881 ("column dimension mismatch for stack");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	882 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	883 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	884
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	885 octave_idx_type nr_insert = nr;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	886 ComplexMatrix retval (nr + a.rows (), nc);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	887 retval.insert (*this, 0, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	888 retval.insert (a, nr_insert, 0);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	889 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	890 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	891
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	892 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	893 conj (const ComplexMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	894 {
10363 a0728e81ed25 improve diag matrix interface & implementation Jaroslav Hajek <highegg@gmail.com> parents: 10362 diff changeset	895 return do_mx_unary_map<Complex, Complex, std::conj> (a);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	896 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	897
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	898 // resize is the destructive equivalent for this one
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	899
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	900 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	901 ComplexMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	902 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	903 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	904 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	905
10805 8c858a1a2079 simplify Matrix::extract Jaroslav Hajek <highegg@gmail.com> parents: 10779 diff changeset	906 return index (idx_vector (r1, r2+1), idx_vector (c1, c2+1));
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	907 }
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	908
236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	909 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	910 ComplexMatrix::extract_n (octave_idx_type r1, octave_idx_type c1, octave_idx_type nr, octave_idx_type nc) const
4316 236c10efcde2 [project @ 2003-02-10 21:57:15 by jwe] jwe parents: 4309 diff changeset	911 {
10805 8c858a1a2079 simplify Matrix::extract Jaroslav Hajek <highegg@gmail.com> parents: 10779 diff changeset	912 return index (idx_vector (r1, r1 + nr), idx_vector (r2, r2 + nr));
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	913 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	914
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	915 // extract row or column i.
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	916
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	917 ComplexRowVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	918 ComplexMatrix::row (octave_idx_type i) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	919 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	920 return index (idx_vector (i), idx_vector::colon);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	921 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	922
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	923 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	924 ComplexMatrix::column (octave_idx_type i) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	925 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	926 return index (idx_vector::colon, idx_vector (i));
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	927 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	928
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	929 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	930 ComplexMatrix::inverse (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	931 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	932 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	933 double rcon;
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	934 MatrixType mattype (*this);
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	935 return inverse (mattype, info, rcon, 0, 0);
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	936 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	937
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	938 ComplexMatrix
6479 2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	939 ComplexMatrix::inverse (octave_idx_type& info) const
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	940 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	941 double rcon;
6479 2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	942 MatrixType mattype (*this);
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	943 return inverse (mattype, info, rcon, 0, 0);
6479 2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	944 }
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	945
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	946 ComplexMatrix
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	947 ComplexMatrix::inverse (octave_idx_type& info, double& rcon, int force,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	948 int calc_cond) const
6479 2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	949 {
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	950 MatrixType mattype (*this);
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	951 return inverse (mattype, info, rcon, force, calc_cond);
6479 2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	952 }
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	953
2ee8293554a3 [project @ 2007-04-03 15:30:58 by jwe] jwe parents: 6390 diff changeset	954 ComplexMatrix
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	955 ComplexMatrix::inverse (MatrixType &mattype) const
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	956 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	957 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	958 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	959 return inverse (mattype, info, rcon, 0, 0);
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	960 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	961
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	962 ComplexMatrix
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	963 ComplexMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	964 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	965 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	966 return inverse (mattype, info, rcon, 0, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	967 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	968
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	969 ComplexMatrix
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	970 ComplexMatrix::tinverse (MatrixType &mattype, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	971 double& rcon, int force, int calc_cond) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	972 {
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	973 ComplexMatrix retval;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	974
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	975 octave_idx_type nr = rows ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	976 octave_idx_type nc = cols ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	977
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	978 if (nr != nc \|\| nr == 0 \|\| nc == 0)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	979 (*current_liboctave_error_handler) ("inverse requires square matrix");
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	980 else
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	981 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	982 int typ = mattype.type ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	983 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	984 char udiag = 'N';
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	985 retval = *this;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	986 Complex *tmp_data = retval.fortran_vec ();
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	987
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	988 F77_XFCN (ztrtri, ZTRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	989 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	990 nr, tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	991 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	992 F77_CHAR_ARG_LEN (1)));
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	993
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	994 // Throw-away extra info LAPACK gives so as to not change output.
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	995 rcon = 0.0;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	996 if (info != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	997 info = -1;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	998 else if (calc_cond)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	999 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1000 octave_idx_type ztrcon_info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1001 char job = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1002
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1003 OCTAVE_LOCAL_BUFFER (Complex, cwork, 2*nr);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1004 OCTAVE_LOCAL_BUFFER (double, rwork, nr);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1005
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1006 F77_XFCN (ztrcon, ZTRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1007 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1008 F77_CONST_CHAR_ARG2 (&udiag, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1009 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1010 cwork, rwork, ztrcon_info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1011 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1012 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1013 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1014
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1015 if (ztrcon_info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1016 info = -1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1017 }
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1018
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1019 if (info == -1 && ! force)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1020 retval = *this; // Restore matrix contents.
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1021 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1022
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1023 return retval;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1024 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1025
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1026 ComplexMatrix
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1027 ComplexMatrix::finverse (MatrixType &mattype, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1028 double& rcon, int force, int calc_cond) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1029 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1030 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1031
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1032 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1033 octave_idx_type nc = cols ();
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1034
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1035 if (nr != nc)
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1036 (*current_liboctave_error_handler) ("inverse requires square matrix");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1037 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1038 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1039 Array<octave_idx_type> ipvt (nr, 1);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1040 octave_idx_type *pipvt = ipvt.fortran_vec ();
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1041
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1042 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1043 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1044
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1045 Array<Complex> z(1, 1);
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1046 octave_idx_type lwork = -1;
4330 9f86c2055b58 [project @ 2003-02-18 22:31:55 by jwe] jwe parents: 4329 diff changeset	1047
9f86c2055b58 [project @ 2003-02-18 22:31:55 by jwe] jwe parents: 4329 diff changeset	1048 // Query the optimum work array size.
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1049
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1050 F77_XFCN (zgetri, ZGETRI, (nc, tmp_data, nr, pipvt,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1051 z.fortran_vec (), lwork, info));
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1052
5315 f9aff9291d94 [project @ 2005-04-28 02:36:59 by jwe] jwe parents: 5307 diff changeset	1053 lwork = static_cast<octave_idx_type> (std::real(z(0)));
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1054 lwork = (lwork < 2 nc ? 2nc : lwork);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1055 z.resize (lwork, 1);
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1056 Complex *pz = z.fortran_vec ();
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1057
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1058 info = 0;
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1059
4330 9f86c2055b58 [project @ 2003-02-18 22:31:55 by jwe] jwe parents: 4329 diff changeset	1060 // Calculate the norm of the matrix, for later use.
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1061 double anorm;
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1062 if (calc_cond)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1063 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1064
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1065 F77_XFCN (zgetrf, ZGETRF, (nc, nc, tmp_data, nr, pipvt, info));
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1066
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	1067 // Throw-away extra info LAPACK gives so as to not change output.
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1068 rcon = 0.0;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	1069 if (info != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1070 info = -1;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	1071 else if (calc_cond)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1072 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1073 // Now calculate the condition number for non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1074 octave_idx_type zgecon_info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1075 char job = '1';
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1076 Array<double> rz (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1077 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1078 F77_XFCN (zgecon, ZGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1079 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1080 rcon, pz, prz, zgecon_info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1081 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1082
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1083 if (zgecon_info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1084 info = -1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1085 }
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	1086
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	1087 if (info == -1 && ! force)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1088 retval = *this; // Restore contents.
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1089 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1090 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1091 octave_idx_type zgetri_info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1092
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1093 F77_XFCN (zgetri, ZGETRI, (nc, tmp_data, nr, pipvt,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1094 pz, lwork, zgetri_info));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1095
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1096 if (zgetri_info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1097 info = -1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1098 }
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1099
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1100 if (info != 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1101 mattype.mark_as_rectangular();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1102 }
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	1103
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1104 return retval;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1105 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1106
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1107 ComplexMatrix
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1108 ComplexMatrix::inverse (MatrixType &mattype, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1109 double& rcon, int force, int calc_cond) const
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1110 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1111 int typ = mattype.type (false);
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1112 ComplexMatrix ret;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1113
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1114 if (typ == MatrixType::Unknown)
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1115 typ = mattype.type (*this);
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1116
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1117 if (typ == MatrixType::Upper \|\| typ == MatrixType::Lower)
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1118 ret = tinverse (mattype, info, rcon, force, calc_cond);
6840 2f17d5556756 [project @ 2007-08-29 08:37:47 by dbateman] dbateman parents: 6699 diff changeset	1119 else
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1120 {
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1121 if (mattype.is_hermitian ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1122 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1123 ComplexCHOL chol (*this, info, calc_cond);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1124 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1125 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1126 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1127 rcon = chol.rcond();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1128 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1129 rcon = 1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1130 ret = chol.inverse ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1131 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1132 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1133 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1134 }
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1135
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1136 if (!mattype.is_hermitian ())
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1137 ret = finverse(mattype, info, rcon, force, calc_cond);
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1138
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1139 if ((mattype.is_hermitian () \|\| calc_cond) && rcon == 0.)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1140 ret = ComplexMatrix (rows (), columns (), Complex (octave_Inf, 0.));
6207 3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1141 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1142
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1143 return ret;
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1144 }
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1145
3c92b8d892dd [project @ 2006-12-06 20:19:14 by dbateman] dbateman parents: 6162 diff changeset	1146 ComplexMatrix
4384 f1fcc371e5ef [project @ 2003-04-23 19:51:57 by jwe] jwe parents: 4349 diff changeset	1147 ComplexMatrix::pseudo_inverse (double tol) const
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1148 {
1549 d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1149 ComplexMatrix retval;
d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1150
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	1151 ComplexSVD result (*this, SVD::economy);
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1152
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1153 DiagMatrix S = result.singular_values ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1154 ComplexMatrix U = result.left_singular_matrix ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1155 ComplexMatrix V = result.right_singular_matrix ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1156
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1157 ColumnVector sigma = S.diag ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1158
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1159 octave_idx_type r = sigma.length () - 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1160 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1161 octave_idx_type nc = cols ();
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1162
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1163 if (tol <= 0.0)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1164 {
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1165 if (nr > nc)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1166 tol = nr * sigma.elem (0) * DBL_EPSILON;
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1167 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1168 tol = nc * sigma.elem (0) * DBL_EPSILON;
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1169 }
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1170
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1171 while (r >= 0 && sigma.elem (r) < tol)
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1172 r--;
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1173
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1174 if (r < 0)
1549 d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1175 retval = ComplexMatrix (nc, nr, 0.0);
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1176 else
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1177 {
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1178 ComplexMatrix Ur = U.extract (0, 0, nr-1, r);
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1179 DiagMatrix D = DiagMatrix (sigma.extract (0, r)) . inverse ();
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1180 ComplexMatrix Vr = V.extract (0, 0, nc-1, r);
1549 d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1181 retval = Vr * D * Ur.hermitian ();
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1182 }
1549 d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1183
d1fe5918e16b [project @ 1995-10-08 00:11:52 by jwe] jwe parents: 1367 diff changeset	1184 return retval;
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1185 }
d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1186
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1187 #if defined (HAVE_FFTW)
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1188
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1189 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1190 ComplexMatrix::fourier (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1191 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1192 size_t nr = rows ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1193 size_t nc = cols ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1194
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1195 ComplexMatrix retval (nr, nc);
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1196
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1197 size_t npts, nsamples;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1198
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1199 if (nr == 1 \|\| nc == 1)
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1200 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1201 npts = nr > nc ? nr : nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1202 nsamples = 1;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1203 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1204 else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1205 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1206 npts = nr;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1207 nsamples = nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1208 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1209
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1210 const Complex *in (data ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1211 Complex *out (retval.fortran_vec ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1212
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1213 octave_fftw::fft (in, out, npts, nsamples);
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1214
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1215 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1216 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1217
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1218 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1219 ComplexMatrix::ifourier (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1220 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1221 size_t nr = rows ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1222 size_t nc = cols ();
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1223
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1224 ComplexMatrix retval (nr, nc);
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1225
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1226 size_t npts, nsamples;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1227
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1228 if (nr == 1 \|\| nc == 1)
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1229 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1230 npts = nr > nc ? nr : nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1231 nsamples = 1;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1232 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1233 else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1234 {
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1235 npts = nr;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1236 nsamples = nc;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1237 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1238
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1239 const Complex *in (data ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1240 Complex *out (retval.fortran_vec ());
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1241
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1242 octave_fftw::ifft (in, out, npts, nsamples);
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1243
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1244 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1245 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1246
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1247 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1248 ComplexMatrix::fourier2d (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1249 {
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1250 dim_vector dv(rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1251
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1252 ComplexMatrix retval (rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1253 const Complex *in (data ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1254 Complex *out (retval.fortran_vec ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1255
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1256 octave_fftw::fftNd (in, out, 2, dv);
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1257
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1258 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1259 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1260
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1261 ComplexMatrix
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1262 ComplexMatrix::ifourier2d (void) const
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1263 {
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1264 dim_vector dv(rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1265
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1266 ComplexMatrix retval (rows (), cols ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1267 const Complex *in (data ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1268 Complex *out (retval.fortran_vec ());
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1269
ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1270 octave_fftw::ifftNd (in, out, 2, dv);
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1271
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1272 return retval;
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1273 }
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1274
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1275 #else
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1276
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1277 extern "C"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1278 {
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1279 // Note that the original complex fft routines were not written for
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1280 // double complex arguments. They have been modified by adding an
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1281 // implicit double precision (a-h,o-z) statement at the beginning of
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1282 // each subroutine.
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1283
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1284 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1285 F77_FUNC (zffti, ZFFTI) (const octave_idx_type&, Complex*);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1286
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1287 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1288 F77_FUNC (zfftf, ZFFTF) (const octave_idx_type&, Complex, Complex);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1289
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1290 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1291 F77_FUNC (zfftb, ZFFTB) (const octave_idx_type&, Complex, Complex);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1292 }
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	1293
740 d8295febb0df [project @ 1994-09-30 14:42:37 by jwe] jwe parents: 677 diff changeset	1294 ComplexMatrix
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1295 ComplexMatrix::fourier (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1296 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1297 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1298
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1299 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1300 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1301
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1302 octave_idx_type npts, nsamples;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1303
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1304 if (nr == 1 \|\| nc == 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1305 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1306 npts = nr > nc ? nr : nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1307 nsamples = 1;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1308 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1309 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1310 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1311 npts = nr;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1312 nsamples = nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1313 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1314
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1315 octave_idx_type nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1316
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1317 Array<Complex> wsave (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1318 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1319
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1320 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1321 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1322
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1323 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1324
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1325 for (octave_idx_type j = 0; j < nsamples; j++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1326 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1327 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1328
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1329 F77_FUNC (zfftf, ZFFTF) (npts, &tmp_data[npts*j], pwsave);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1330 }
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1331
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1332 return retval;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1333 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1334
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1335 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1336 ComplexMatrix::ifourier (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1337 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1338 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1339
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1340 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1341 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1342
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1343 octave_idx_type npts, nsamples;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1344
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1345 if (nr == 1 \|\| nc == 1)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1346 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1347 npts = nr > nc ? nr : nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1348 nsamples = 1;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1349 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1350 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1351 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1352 npts = nr;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1353 nsamples = nc;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1354 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1355
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1356 octave_idx_type nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1357
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1358 Array<Complex> wsave (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1359 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1360
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1361 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1362 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1363
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1364 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1365
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1366 for (octave_idx_type j = 0; j < nsamples; j++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1367 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1368 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1369
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1370 F77_FUNC (zfftb, ZFFTB) (npts, &tmp_data[npts*j], pwsave);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1371 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1372
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1373 for (octave_idx_type j = 0; j < npts*nsamples; j++)
3572 8d641545e006 [project @ 2000-02-03 21:39:48 by jwe] jwe parents: 3504 diff changeset	1374 tmp_data[j] = tmp_data[j] / static_cast<double> (npts);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1375
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1376 return retval;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1377 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1378
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1379 ComplexMatrix
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1380 ComplexMatrix::fourier2d (void) const
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1381 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1382 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1383
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1384 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1385 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1386
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1387 octave_idx_type npts, nsamples;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1388
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1389 if (nr == 1 \|\| nc == 1)
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1390 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1391 npts = nr > nc ? nr : nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1392 nsamples = 1;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1393 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1394 else
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1395 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1396 npts = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1397 nsamples = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1398 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1399
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1400 octave_idx_type nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1401
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1402 Array<Complex> wsave (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1403 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1404
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1405 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1406 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1407
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1408 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1409
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1410 for (octave_idx_type j = 0; j < nsamples; j++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1411 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1412 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1413
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1414 F77_FUNC (zfftf, ZFFTF) (npts, &tmp_data[npts*j], pwsave);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1415 }
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1416
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1417 npts = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1418 nsamples = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1419 nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1420
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1421 wsave.resize (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1422 pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1423
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1424 Array<Complex> tmp (npts, 1);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1425 Complex *prow = tmp.fortran_vec ();
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1426
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1427 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1428
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1429 for (octave_idx_type j = 0; j < nsamples; j++)
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1430 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1431 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1432
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1433 for (octave_idx_type i = 0; i < npts; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1434 prow[i] = tmp_data[i*nr + j];
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1435
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1436 F77_FUNC (zfftf, ZFFTF) (npts, prow, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1437
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1438 for (octave_idx_type i = 0; i < npts; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1439 tmp_data[i*nr + j] = prow[i];
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1440 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1441
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1442 return retval;
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1443 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1444
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1445 ComplexMatrix
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1446 ComplexMatrix::ifourier2d (void) const
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1447 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1448 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1449
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1450 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1451 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1452
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1453 octave_idx_type npts, nsamples;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1454
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1455 if (nr == 1 \|\| nc == 1)
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1456 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1457 npts = nr > nc ? nr : nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1458 nsamples = 1;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1459 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1460 else
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1461 {
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1462 npts = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1463 nsamples = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1464 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1465
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1466 octave_idx_type nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1467
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1468 Array<Complex> wsave (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1469 Complex *pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1470
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1471 retval = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1472 Complex *tmp_data = retval.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1473
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1474 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1475
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1476 for (octave_idx_type j = 0; j < nsamples; j++)
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1477 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1478 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1479
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1480 F77_FUNC (zfftb, ZFFTB) (npts, &tmp_data[npts*j], pwsave);
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1481 }
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1482
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1483 for (octave_idx_type j = 0; j < npts*nsamples; j++)
3572 8d641545e006 [project @ 2000-02-03 21:39:48 by jwe] jwe parents: 3504 diff changeset	1484 tmp_data[j] = tmp_data[j] / static_cast<double> (npts);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1485
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1486 npts = nc;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1487 nsamples = nr;
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1488 nn = 4*npts+15;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1489
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1490 wsave.resize (nn, 1);
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1491 pwsave = wsave.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1492
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1493 Array<Complex> tmp (npts, 1);
4773 ccfbd6047a54 [project @ 2004-02-16 19:02:32 by jwe] jwe parents: 4669 diff changeset	1494 Complex *prow = tmp.fortran_vec ();
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1495
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1496 F77_FUNC (zffti, ZFFTI) (npts, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1497
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1498 for (octave_idx_type j = 0; j < nsamples; j++)
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1499 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 10124 diff changeset	1500 octave_quit ();
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4130 diff changeset	1501
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1502 for (octave_idx_type i = 0; i < npts; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1503 prow[i] = tmp_data[i*nr + j];
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1504
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7788 diff changeset	1505 F77_FUNC (zfftb, ZFFTB) (npts, prow, pwsave);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1506
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1507 for (octave_idx_type i = 0; i < npts; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1508 tmp_data[i*nr + j] = prow[i] / static_cast<double> (npts);
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1509 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1510
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	1511 return retval;
677 01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1512 }
01da6806197b [project @ 1994-09-08 04:43:13 by jwe] jwe parents: 533 diff changeset	1513
3827 ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1514 #endif
ba548facf43b [project @ 2001-05-02 06:15:06 by jwe] jwe parents: 3769 diff changeset	1515
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1516 ComplexDET
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1517 ComplexMatrix::determinant (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1518 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1519 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1520 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1521 return determinant (info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1522 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1523
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1524 ComplexDET
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1525 ComplexMatrix::determinant (octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1526 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1527 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1528 return determinant (info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1529 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1530
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1531 ComplexDET
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1532 ComplexMatrix::determinant (octave_idx_type& info, double& rcon, int calc_cond) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1533 {
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1534 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1535 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1536 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1537
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1538 ComplexDET
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1539 ComplexMatrix::determinant (MatrixType& mattype,
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8801 diff changeset	1540 octave_idx_type& info, double& rcon,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1541 int calc_cond) const
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1542 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1543 ComplexDET retval (1.0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1544
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1545 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	1546 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1547
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1548 if (nr != nc)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1549 (*current_liboctave_error_handler) ("matrix must be square");
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1550 else
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1551 {
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8801 diff changeset	1552 volatile int typ = mattype.type ();
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1553
10213 f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1554 // Even though the matrix is marked as singular (Rectangular), we may
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1555 // still get a useful number from the LU factorization, because it always
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1556 // completes.
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1557
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1558 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1559 typ = mattype.type (*this);
10213 f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1560 else if (typ == MatrixType::Rectangular)
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10182 diff changeset	1561 typ = MatrixType::Full;
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1562
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1563 if (typ == MatrixType::Lower \|\| typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1564 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1565 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1566 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1567 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1568 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1569 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1570 ComplexMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1571 Complex *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1572
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1573 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1574 double anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1575 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1576
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1577
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1578 char job = 'L';
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1579 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1580 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1581 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1582
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1583 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1584 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1585 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1586 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1587 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1588 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1589 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1590 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1591 Array<Complex> z (2 * nc, 1);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1592 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1593 Array<double> rz (nc, 1);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1594 double *prz = rz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1595
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1596 F77_XFCN (zpocon, ZPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1597 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1598 rcon, pz, prz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1599 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1600
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1601 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1602 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1603
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1604 for (octave_idx_type i = 0; i < nc; i++)
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1605 retval *= atmp (i,i);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1606
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1607 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1608 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1609 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1610 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1611 (*current_liboctave_error_handler) ("det: invalid dense matrix type");
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1612
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1613 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1614 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1615 Array<octave_idx_type> ipvt (nr, 1);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1616 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1617
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1618 ComplexMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1619 Complex *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1620
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1621 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1622
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1623 // Calculate the norm of the matrix, for later use.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1624 double anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1625 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1626
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1627 F77_XFCN (zgetrf, ZGETRF, (nr, nr, tmp_data, nr, pipvt, info));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1628
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1629 // Throw-away extra info LAPACK gives so as to not change output.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1630 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1631 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1632 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1633 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1634 retval = ComplexDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1635 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1636 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1637 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1638 if (calc_cond)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1639 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1640 // Now calc the condition number for non-singular matrix.
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1641 char job = '1';
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1642 Array<Complex> z (2 * nc, 1);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1643 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1644 Array<double> rz (2 * nc, 1);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1645 double *prz = rz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1646
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1647 F77_XFCN (zgecon, ZGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1648 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1649 rcon, pz, prz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1650 F77_CHAR_ARG_LEN (1)));
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 8211 diff changeset	1651 }
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1652
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1653 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1654 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1655 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1656 retval = ComplexDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1657 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1658 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1659 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1660 for (octave_idx_type i = 0; i < nc; i++)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1661 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1662 Complex c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1663 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1664 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1665 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1666 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1667 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1668 }
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1669
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1670 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1671 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1672
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1673 double
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1674 ComplexMatrix::rcond (void) const
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1675 {
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1676 MatrixType mattype (*this);
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1677 return rcond (mattype);
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1678 }
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1679
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1680 double
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1681 ComplexMatrix::rcond (MatrixType &mattype) const
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1682 {
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1683 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1684 octave_idx_type nr = rows ();
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1685 octave_idx_type nc = cols ();
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1686
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1687 if (nr != nc)
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1688 (*current_liboctave_error_handler) ("matrix must be square");
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1689 else if (nr == 0 \|\| nc == 0)
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1690 rcon = octave_Inf;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1691 else
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1692 {
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1693 int typ = mattype.type ();
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1694
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1695 if (typ == MatrixType::Unknown)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1696 typ = mattype.type (*this);
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1697
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1698 // Only calculate the condition number for LU/Cholesky
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1699 if (typ == MatrixType::Upper)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1700 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1701 const Complex *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1702 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1703 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1704 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1705 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1706
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1707 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1708 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1709 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1710 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1711
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1712 F77_XFCN (ztrcon, ZTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1713 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1714 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1715 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1716 pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1717 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1718 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1719 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1720
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1721 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1722 rcon = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1723 }
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1724 else if (typ == MatrixType::Permuted_Upper)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1725 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1726 ("permuted triangular matrix not implemented");
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1727 else if (typ == MatrixType::Lower)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1728 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1729 const Complex *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1730 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1731 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1732 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1733 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1734
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1735 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1736 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1737 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1738 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1739
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1740 F77_XFCN (ztrcon, ZTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1741 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1742 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1743 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1744 pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1745 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1746 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1747 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1748
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1749 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1750 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1751 }
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1752 else if (typ == MatrixType::Permuted_Lower)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1753 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1754 ("permuted triangular matrix not implemented");
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1755 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1756 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1757 double anorm = -1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1758 ComplexMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1759 Complex *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1760
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1761 if (typ == MatrixType::Hermitian)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1762 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1763 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1764 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1765 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1766 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1767
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1768 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1769 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1770 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1771
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1772 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1773 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1774 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1775
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1776 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1777 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1778 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1779 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1780 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1781 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1782 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1783 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1784 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1785
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1786 F77_XFCN (zpocon, ZPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1787 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1788 rcon, pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1789 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1790
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1791 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1792 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1793 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1794 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1795
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1796
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1797 if (typ == MatrixType::Full)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1798 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1799 octave_idx_type info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1800
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1801 Array<octave_idx_type> ipvt (nr, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1802 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1803
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1804 if(anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1805 anorm = atmp.abs().sum().
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1806 row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1807
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1808 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1809 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1810 Array<double> rz (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1811 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1812
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1813 F77_XFCN (zgetrf, ZGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1814
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1815 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1816 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1817 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1818 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1819 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1820 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1821 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1822 char job = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1823 F77_XFCN (zgecon, ZGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1824 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1825 rcon, pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1826 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1827
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1828 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1829 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1830 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1831 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1832 }
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1833 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1834 rcon = 0.0;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1835 }
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1836
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1837 return rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1838 }
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	1839
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	1840 ComplexMatrix
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1841 ComplexMatrix::utsolve (MatrixType &mattype, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1842 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1843 solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1844 bool calc_cond, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1845 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1846 ComplexMatrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1847
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1848 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1849 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1850
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1851 if (nr != b.rows ())
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1852 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1853 ("matrix dimension mismatch solution of linear equations");
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1854 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1855 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1856 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1857 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1858 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1859
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1860 if (typ == MatrixType::Permuted_Upper \|\|
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1861 typ == MatrixType::Upper)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1862 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1863 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1864 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1865 info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1866
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1867 if (typ == MatrixType::Permuted_Upper)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1868 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1869 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1870 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1871 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1872 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1873 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1874 const Complex *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1875
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1876 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1877 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1878 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1879 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1880 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1881
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1882 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1883 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1884 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1885 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1886
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1887 F77_XFCN (ztrcon, ZTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1888 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1889 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1890 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1891 pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1892 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1893 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1894 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1895
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1896 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1897 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1898
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1899 volatile double rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1900
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1901 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1902 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1903 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1904
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1905 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1906 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1907 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1908 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1909 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1910 rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1911 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1912 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1913
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1914 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1915 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1916 retval = b;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1917 Complex *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1918
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1919 char uplo = 'U';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1920 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1921 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1922
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1923 F77_XFCN (ztrtrs, ZTRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1924 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1925 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1926 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1927 result, nr, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1928 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1929 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1930 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1931 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1932 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1933 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1934 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1935 (*current_liboctave_error_handler) ("incorrect matrix type");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1936 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1937
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1938 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1939 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1940
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1941 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1942 ComplexMatrix::ltsolve (MatrixType &mattype, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1943 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1944 solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1945 bool calc_cond, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1946 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1947 ComplexMatrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1948
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1949 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1950 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1951
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1952 if (nr != b.rows ())
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1953 (*current_liboctave_error_handler)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1954 ("matrix dimension mismatch solution of linear equations");
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1955 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	1956 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1957 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1958 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1959 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1960
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	1961 if (typ == MatrixType::Permuted_Lower \|\|
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1962 typ == MatrixType::Lower)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1963 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1964 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1965 rcon = 1.;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1966 info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1967
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1968 if (typ == MatrixType::Permuted_Lower)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1969 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1970 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1971 ("permuted triangular matrix not implemented");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1972 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1973 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1974 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1975 const Complex *tmp_data = fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1976
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1977 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1978 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1979 char norm = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1980 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1981 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1982
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1983 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1984 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	1985 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1986 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1987
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1988 F77_XFCN (ztrcon, ZTRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1989 F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1990 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1991 nr, tmp_data, nr, rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1992 pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1993 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1994 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1995 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1996
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1997 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1998 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	1999
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2000 volatile double rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2001
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2002 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2003 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2004 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2005
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2006 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2007 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2008 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2009 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2010 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2011 rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2012 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2013 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2014
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2015 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2016 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2017 retval = b;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2018 Complex *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2019
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2020 char uplo = 'L';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2021 char trans = get_blas_char (transt);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2022 char dia = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2023
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2024 F77_XFCN (ztrtrs, ZTRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2025 F77_CONST_CHAR_ARG2 (&trans, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2026 F77_CONST_CHAR_ARG2 (&dia, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2027 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2028 result, nr, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2029 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2030 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2031 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2032 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2033 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2034 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2035 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2036 (*current_liboctave_error_handler) ("incorrect matrix type");
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2037 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2038
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2039 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2040 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2041
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2042 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2043 ComplexMatrix::fsolve (MatrixType &mattype, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2044 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2045 solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2046 bool calc_cond) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2047 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2048 ComplexMatrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2049
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2050 octave_idx_type nr = rows ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2051 octave_idx_type nc = cols ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2052
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2053
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2054 if (nr != nc \|\| nr != b.rows ())
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2055 (*current_liboctave_error_handler)
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2056 ("matrix dimension mismatch solution of linear equations");
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2057 else if (nr == 0 \|\| b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2058 retval = ComplexMatrix (nc, b.cols (), Complex (0.0, 0.0));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2059 else
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2060 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2061 volatile int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2062
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2063 // Calculate the norm of the matrix, for later use.
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2064 double anorm = -1.;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2065
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2066 if (typ == MatrixType::Hermitian)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2067 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2068 info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2069 char job = 'L';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2070 ComplexMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2071 Complex *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2072 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2073
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2074 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2075 tmp_data, nr, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2076 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2077
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2078 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2079 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2080 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2081 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2082 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2083
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2084 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2085 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2086 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2087 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2088 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2089 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2090 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2091 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2092 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2093 Array<double> rz (nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2094 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2095
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2096 F77_XFCN (zpocon, ZPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2097 nr, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2098 rcon, pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2099 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2100
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2101 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2102 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2103
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2104 volatile double rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2105
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2106 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2107 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2108 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2109
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2110 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2111 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2112 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2113 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2114 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2115 rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2116 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2117 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2118
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2119 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2120 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2121 retval = b;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2122 Complex *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2123
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2124 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2125
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2126 F77_XFCN (zpotrs, ZPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2127 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2128 result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2129 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2130 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2131 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2132 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2133 mattype.mark_as_unsymmetric ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2134 typ = MatrixType::Full;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2135 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2136 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2137 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2138
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2139 if (typ == MatrixType::Full)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2140 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2141 info = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2142
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2143 Array<octave_idx_type> ipvt (nr, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2144 octave_idx_type *pipvt = ipvt.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2145
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2146 ComplexMatrix atmp = *this;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2147 Complex *tmp_data = atmp.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2148
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2149 Array<Complex> z (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2150 Complex *pz = z.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2151 Array<double> rz (2 * nc, 1);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2152 double *prz = rz.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2153
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2154 // Calculate the norm of the matrix, for later use.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2155 if (anorm < 0.)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2156 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2157
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2158 F77_XFCN (zgetrf, ZGETRF, (nr, nr, tmp_data, nr, pipvt, info));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2159
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2160 // Throw-away extra info LAPACK gives so as to not change output.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2161 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2162 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2163 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2164 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2165
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2166 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2167 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2168 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2169 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2170 ("matrix singular to machine precision");
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2171
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2172 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2173 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2174 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2175 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2176 if (calc_cond)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2177 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2178 // Now calculate the condition number for
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2179 // non-singular matrix.
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2180 char job = '1';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2181 F77_XFCN (zgecon, ZGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2182 nc, tmp_data, nr, anorm,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2183 rcon, pz, prz, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2184 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2185
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2186 if (info != 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2187 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2188
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2189 volatile double rcond_plus_one = rcon + 1.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2190
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2191 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2192 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2193 info = -2;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2194
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2195 if (sing_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2196 sing_handler (rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2197 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2198 (*current_liboctave_error_handler)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2199 ("matrix singular to machine precision, rcond = %g",
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2200 rcon);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2201 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2202 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2203
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2204 if (info == 0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2205 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2206 retval = b;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2207 Complex *result = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2208
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2209 octave_idx_type b_nc = b.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2210
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2211 char job = 'N';
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2212 F77_XFCN (zgetrs, ZGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2213 nr, b_nc, tmp_data, nr,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2214 pipvt, result, b.rows(), info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2215 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2216 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2217 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2218 mattype.mark_as_rectangular ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2219 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2220 }
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2221 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2222
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2223 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2224 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2225
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2226 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2227 ComplexMatrix::solve (MatrixType &typ, const Matrix& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2228 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2229 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2230 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2231 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2232 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2233
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2234 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2235 ComplexMatrix::solve (MatrixType &typ, const Matrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2236 octave_idx_type& info) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2237 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2238 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2239 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2240 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2241
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2242 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2243 ComplexMatrix::solve (MatrixType &typ, const Matrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2244 double& rcon) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2245 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2246 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2247 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2248
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2249 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2250 ComplexMatrix::solve (MatrixType &typ, const Matrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2251 double& rcon, solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2252 bool singular_fallback, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2253 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2254 ComplexMatrix tmp (b);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2255 return solve (typ, tmp, info, rcon, sing_handler, singular_fallback, transt);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2256 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2257
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2258 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2259 ComplexMatrix::solve (MatrixType &typ, const ComplexMatrix& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2260 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2261 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2262 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2263 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2264 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2265
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2266 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2267 ComplexMatrix::solve (MatrixType &typ, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2268 octave_idx_type& info) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2269 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2270 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2271 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2272 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2273
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2274 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2275 ComplexMatrix::solve (MatrixType &typ, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2276 octave_idx_type& info, double& rcon) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2277 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2278 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2279 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2280
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2281 ComplexMatrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2282 ComplexMatrix::solve (MatrixType &mattype, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2283 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2284 solve_singularity_handler sing_handler,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2285 bool singular_fallback, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2286 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2287 ComplexMatrix retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2288 int typ = mattype.type ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2289
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2290 if (typ == MatrixType::Unknown)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2291 typ = mattype.type (*this);
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2292
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2293 // Only calculate the condition number for LU/Cholesky
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2294 if (typ == MatrixType::Upper \|\| typ == MatrixType::Permuted_Upper)
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2295 retval = utsolve (mattype, b, info, rcon, sing_handler, false, transt);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2296 else if (typ == MatrixType::Lower \|\| typ == MatrixType::Permuted_Lower)
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2297 retval = ltsolve (mattype, b, info, rcon, sing_handler, false, transt);
afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2298 else if (transt == blas_trans)
afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2299 return transpose ().solve (mattype, b, info, rcon, sing_handler, singular_fallback);
afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2300 else if (transt == blas_conj_trans)
afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2301 retval = hermitian ().solve (mattype, b, info, rcon, sing_handler, singular_fallback);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2302 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2303 retval = fsolve (mattype, b, info, rcon, sing_handler, true);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2304 else if (typ != MatrixType::Rectangular)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2305 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2306 (*current_liboctave_error_handler) ("unknown matrix type");
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2307 return ComplexMatrix ();
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2308 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2309
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2310 // Rectangular or one of the above solvers flags a singular matrix
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2311 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2312 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2313 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2314 retval = lssolve (b, info, rank, rcon);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2315 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2316
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2317 return retval;
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2318 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2319
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2320 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2321 ComplexMatrix::solve (MatrixType &typ, const ColumnVector& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2322 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2323 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2324 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2325 return solve (typ, ComplexColumnVector (b), info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2326 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2327
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2328 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2329 ComplexMatrix::solve (MatrixType &typ, const ColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2330 octave_idx_type& info) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2331 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2332 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2333 return solve (typ, ComplexColumnVector (b), info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2334 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2335
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2336 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2337 ComplexMatrix::solve (MatrixType &typ, const ColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2338 octave_idx_type& info, double& rcon) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2339 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2340 return solve (typ, ComplexColumnVector (b), info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2341 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2342
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2343 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2344 ComplexMatrix::solve (MatrixType &typ, const ColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2345 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2346 solve_singularity_handler sing_handler, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2347 {
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2348 return solve (typ, ComplexColumnVector (b), info, rcon, sing_handler, transt);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2349 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2350
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2351 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2352 ComplexMatrix::solve (MatrixType &typ, const ComplexColumnVector& b) const
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2353 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2354 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2355 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2356 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2357 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2358
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2359 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2360 ComplexMatrix::solve (MatrixType &typ, const ComplexColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2361 octave_idx_type& info) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2362 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2363 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2364 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2365 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2366
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2367 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2368 ComplexMatrix::solve (MatrixType &typ, const ComplexColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2369 octave_idx_type& info, double& rcon) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2370 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2371 return solve (typ, b, info, rcon, 0);
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2372 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2373
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2374 ComplexColumnVector
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2375 ComplexMatrix::solve (MatrixType &typ, const ComplexColumnVector& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2376 octave_idx_type& info, double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2377 solve_singularity_handler sing_handler, blas_trans_type transt) const
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2378 {
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2379
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2380 ComplexMatrix tmp (b);
10352 a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2381 tmp = solve (typ, tmp, info, rcon, sing_handler, true, transt);
a3635bc1ea19 remove Array2 Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	2382 return tmp.column(static_cast<octave_idx_type> (0));
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2383 }
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2384
6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2385 ComplexMatrix
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2386 ComplexMatrix::solve (const Matrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2387 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2388 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2389 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2390 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2391 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2392
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2393 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2394 ComplexMatrix::solve (const Matrix& b, octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2395 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2396 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2397 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2398 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2399
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2400 ComplexMatrix
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2401 ComplexMatrix::solve (const Matrix& b, octave_idx_type& info, double& rcon) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2402 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2403 return solve (b, info, rcon, 0);
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2404 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2405
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2406 ComplexMatrix
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2407 ComplexMatrix::solve (const Matrix& b, octave_idx_type& info, double& rcon,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2408 solve_singularity_handler sing_handler, blas_trans_type transt) const
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2409 {
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2410 ComplexMatrix tmp (b);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2411 return solve (tmp, info, rcon, sing_handler, transt);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2412 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2413
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2414 ComplexMatrix
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2415 ComplexMatrix::solve (const ComplexMatrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2416 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2417 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2418 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2419 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2420 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2421
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2422 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2423 ComplexMatrix::solve (const ComplexMatrix& b, octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2424 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2425 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2426 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2427 }
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2428
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2429 ComplexMatrix
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2430 ComplexMatrix::solve (const ComplexMatrix& b, octave_idx_type& info, double& rcon) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2431 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2432 return solve (b, info, rcon, 0);
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2433 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2434
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2435 ComplexMatrix
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2436 ComplexMatrix::solve (const ComplexMatrix& b, octave_idx_type& info, double& rcon,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2437 solve_singularity_handler sing_handler, blas_trans_type transt) const
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2438 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2439 MatrixType mattype (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2440 return solve (mattype, b, info, rcon, sing_handler, true, transt);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2441 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2442
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2443 ComplexColumnVector
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2444 ComplexMatrix::solve (const ColumnVector& b) const
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2445 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2446 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2447 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2448 return solve (ComplexColumnVector (b), info, rcon, 0);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2449 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2450
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2451 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2452 ComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2453 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2454 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2455 return solve (ComplexColumnVector (b), info, rcon, 0);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2456 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2457
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2458 ComplexColumnVector
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2459 ComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2460 double& rcon) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2461 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2462 return solve (ComplexColumnVector (b), info, rcon, 0);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2463 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2464
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2465 ComplexColumnVector
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2466 ComplexMatrix::solve (const ColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2467 double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2468 solve_singularity_handler sing_handler, blas_trans_type transt) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2469 {
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2470 return solve (ComplexColumnVector (b), info, rcon, sing_handler, transt);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2471 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2472
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2473 ComplexColumnVector
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2474 ComplexMatrix::solve (const ComplexColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2475 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2476 octave_idx_type info;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2477 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2478 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2479 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2480
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2481 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2482 ComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2483 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2484 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2485 return solve (b, info, rcon, 0);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2486 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2487
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2488 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2489 ComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2490 double& rcon) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2491 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2492 return solve (b, info, rcon, 0);
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2493 }
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2494
45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2495 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2496 ComplexMatrix::solve (const ComplexColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2497 double& rcon,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2498 solve_singularity_handler sing_handler, blas_trans_type transt) const
3480 45742a3b1f7c [project @ 2000-01-26 06:16:41 by jwe] jwe parents: 3469 diff changeset	2499 {
5785 6b9cec830d72 [project @ 2006-05-03 19:32:46 by dbateman] dbateman parents: 5775 diff changeset	2500 MatrixType mattype (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2501 return solve (mattype, b, info, rcon, sing_handler, transt);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2502 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2503
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2504 ComplexMatrix
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2505 ComplexMatrix::lssolve (const Matrix& b) const
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2506 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2507 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2508 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2509 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2510 return lssolve (ComplexMatrix (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2511 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2512
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2513 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2514 ComplexMatrix::lssolve (const Matrix& b, octave_idx_type& info) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2515 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2516 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2517 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2518 return lssolve (ComplexMatrix (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2519 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2520
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2521 ComplexMatrix
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2522 ComplexMatrix::lssolve (const Matrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2523 octave_idx_type& rank) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2524 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2525 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2526 return lssolve (ComplexMatrix (b), info, rank, rcon);
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2527 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2528
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2529 ComplexMatrix
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2530 ComplexMatrix::lssolve (const Matrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2531 octave_idx_type& rank, double& rcon) const
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2532 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2533 return lssolve (ComplexMatrix (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2534 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2535
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2536 ComplexMatrix
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2537 ComplexMatrix::lssolve (const ComplexMatrix& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2538 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2539 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2540 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2541 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2542 return lssolve (b, info, rank, rcon);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2543 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2544
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2545 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2546 ComplexMatrix::lssolve (const ComplexMatrix& b, octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2547 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2548 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2549 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2550 return lssolve (b, info, rank, rcon);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2551 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2552
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2553 ComplexMatrix
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2554 ComplexMatrix::lssolve (const ComplexMatrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2555 octave_idx_type& rank) const
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2556 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2557 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2558 return lssolve (b, info, rank, rcon);
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2559 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2560
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2561 ComplexMatrix
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2562 ComplexMatrix::lssolve (const ComplexMatrix& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2563 octave_idx_type& rank, double& rcon) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2564 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2565 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2566
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2567 octave_idx_type nrhs = b.cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2568
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2569 octave_idx_type m = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2570 octave_idx_type n = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2571
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2572 if (m != b.rows ())
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2573 (*current_liboctave_error_handler)
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2574 ("matrix dimension mismatch solution of linear equations");
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2575 else if (m== 0 \|\| n == 0 \|\| b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2576 retval = ComplexMatrix (n, b.cols (), Complex (0.0, 0.0));
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2577 else
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2578 {
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2579 volatile octave_idx_type minmn = (m < n ? m : n);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2580 octave_idx_type maxmn = m > n ? m : n;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2581 rcon = -1.0;
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2582
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2583 if (m != n)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2584 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2585 retval = ComplexMatrix (maxmn, nrhs);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2586
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2587 for (octave_idx_type j = 0; j < nrhs; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2588 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2589 retval.elem (i, j) = b.elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2590 }
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2591 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2592 retval = b;
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2593
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2594 ComplexMatrix atmp = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2595 Complex *tmp_data = atmp.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2596
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2597 Complex *pretval = retval.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2598 Array<double> s (minmn, 1);
7071 c3b479e753dd [project @ 2007-10-26 15:14:34 by jwe] jwe parents: 7033 diff changeset	2599 double *ps = s.fortran_vec ();
2563 8b0911d576bf [project @ 1996-12-05 19:06:58 by jwe] jwe parents: 2443 diff changeset	2600
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2601 // Ask ZGELSD what the dimension of WORK should be.
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2602 octave_idx_type lwork = -1;
3752 719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe] jwe parents: 3726 diff changeset	2603
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2604 Array<Complex> work (1, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2605
7477 8b22207ef9ca ilaenv --> xilaenv John W. Eaton <jwe@octave.org> parents: 7476 diff changeset	2606 octave_idx_type smlsiz;
8b22207ef9ca ilaenv --> xilaenv John W. Eaton <jwe@octave.org> parents: 7476 diff changeset	2607 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("ZGELSD", 6),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2608 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2609 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2610 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2611 F77_CHAR_ARG_LEN (1));
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2612
7486 6a6d2abe51ff more xGELSD workspace fixes John W. Eaton <jwe@octave.org> parents: 7482 diff changeset	2613 octave_idx_type mnthr;
6a6d2abe51ff more xGELSD workspace fixes John W. Eaton <jwe@octave.org> parents: 7482 diff changeset	2614 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("ZGELSD", 6),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2615 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2616 m, n, nrhs, -1, mnthr
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2617 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2618 F77_CHAR_ARG_LEN (1));
7486 6a6d2abe51ff more xGELSD workspace fixes John W. Eaton <jwe@octave.org> parents: 7482 diff changeset	2619
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2620 // We compute the size of rwork and iwork because ZGELSD in
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2621 // older versions of LAPACK does not return them on a query
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2622 // call.
7124 d07cb867891b [project @ 2007-11-08 01:09:44 by jwe] jwe parents: 7079 diff changeset	2623 double dminmn = static_cast<double> (minmn);
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe] jwe parents: 7079 diff changeset	2624 double dsmlsizp1 = static_cast<double> (smlsiz+1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2625 #if defined (HAVE_LOG2)
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2626 double tmp = log2 (dminmn / dsmlsizp1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2627 #else
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2628 double tmp = log (dminmn / dsmlsizp1) / log (2.0);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2629 #endif
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2630 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2631 if (nlvl < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2632 nlvl = 0;
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2633
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2634 octave_idx_type lrwork = minmn(10 + 2smlsiz + 8*nlvl)
10779 add87b12e63c implement proper CGELSD/ZGELSD RWORK size formulas, as found in lapack SVN Jaroslav Hajek <highegg@gmail.com> parents: 10732 diff changeset	2635 + 3smlsiznrhs + std::max ((smlsiz+1)*(smlsiz+1),
add87b12e63c implement proper CGELSD/ZGELSD RWORK size formulas, as found in lapack SVN Jaroslav Hajek <highegg@gmail.com> parents: 10732 diff changeset	2636 n(1+nrhs) + 2nrhs);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2637 if (lrwork < 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2638 lrwork = 1;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2639 Array<double> rwork (lrwork, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2640 double *prwork = rwork.fortran_vec ();
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2641
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2642 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2643 if (liwork < 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2644 liwork = 1;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2645 Array<octave_idx_type> iwork (liwork, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2646 octave_idx_type* piwork = iwork.fortran_vec ();
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2647
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2648 F77_XFCN (zgelsd, ZGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2649 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2650 lwork, prwork, piwork, info));
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2651
7476 e9f10b4c05cf fix workspace size calculation for xGELSD Jason Riedy parents: 7416 diff changeset	2652 // The workspace query is broken in at least LAPACK 3.0.0
7488 6470f946a425 another small xGELSD workspace fix John W. Eaton <jwe@octave.org> parents: 7486 diff changeset	2653 // through 3.1.1 when n >= mnthr. The obtuse formula below
7486 6a6d2abe51ff more xGELSD workspace fixes John W. Eaton <jwe@octave.org> parents: 7482 diff changeset	2654 // should provide sufficient workspace for ZGELSD to operate
7476 e9f10b4c05cf fix workspace size calculation for xGELSD Jason Riedy parents: 7416 diff changeset	2655 // efficiently.
7488 6470f946a425 another small xGELSD workspace fix John W. Eaton <jwe@octave.org> parents: 7486 diff changeset	2656 if (n >= mnthr)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2657 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2658 octave_idx_type addend = m;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2659
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2660 if (2*m-4 > addend)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2661 addend = 2*m-4;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2662
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2663 if (nrhs > addend)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2664 addend = nrhs;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2665
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2666 if (n-3*m > addend)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2667 addend = n-3*m;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2668
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2669 const octave_idx_type lworkaround = 4m + mm + addend;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2670
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2671 if (std::real (work(0)) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2672 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2673 }
7532 493bb0de3199 avoid another xGELSD workspace query bug John W. Eaton <jwe@octave.org> parents: 7503 diff changeset	2674 else if (m >= n)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2675 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2676 octave_idx_type lworkaround = 2m + mnrhs;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2677
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2678 if (std::real (work(0)) < lworkaround)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2679 work(0) = lworkaround;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2680 }
7476 e9f10b4c05cf fix workspace size calculation for xGELSD Jason Riedy parents: 7416 diff changeset	2681
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2682 lwork = static_cast<octave_idx_type> (std::real (work(0)));
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2683 work.resize (lwork, 1);
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2684
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2685 F77_XFCN (zgelsd, ZGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2686 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2687 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2688 prwork, piwork, info));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2689
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2690 if (s.elem (0) == 0.0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2691 rcon = 0.0;
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2692 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2693 rcon = s.elem (minmn - 1) / s.elem (0);
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2694
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2695 retval.resize (n, nrhs);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2696 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2697
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2698 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2699 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2700
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2701 ComplexColumnVector
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2702 ComplexMatrix::lssolve (const ColumnVector& b) const
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2703 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2704 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2705 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2706 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2707 return lssolve (ComplexColumnVector (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2708 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2709
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2710 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2711 ComplexMatrix::lssolve (const ColumnVector& b, octave_idx_type& info) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2712 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2713 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2714 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2715 return lssolve (ComplexColumnVector (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2716 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2717
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2718 ComplexColumnVector
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2719 ComplexMatrix::lssolve (const ColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2720 octave_idx_type& rank) const
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2721 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2722 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2723 return lssolve (ComplexColumnVector (b), info, rank, rcon);
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2724 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2725
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2726 ComplexColumnVector
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2727 ComplexMatrix::lssolve (const ColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2728 octave_idx_type& rank, double& rcon) const
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2729 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2730 return lssolve (ComplexColumnVector (b), info, rank, rcon);
3585 d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2731 }
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2732
d9803711e047 [project @ 2000-02-08 04:35:39 by jwe] jwe parents: 3580 diff changeset	2733 ComplexColumnVector
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2734 ComplexMatrix::lssolve (const ComplexColumnVector& b) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2735 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2736 octave_idx_type info;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2737 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2738 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2739 return lssolve (b, info, rank, rcon);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2740 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2741
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2742 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2743 ComplexMatrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2744 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2745 octave_idx_type rank;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2746 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2747 return lssolve (b, info, rank, rcon);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2748 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2749
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2750 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2751 ComplexMatrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2752 octave_idx_type& rank) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2753 {
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2754 double rcon;
45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2755 return lssolve (b, info, rank, rcon);
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2756
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2757 }
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2758
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2759 ComplexColumnVector
0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2760 ComplexMatrix::lssolve (const ComplexColumnVector& b, octave_idx_type& info,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2761 octave_idx_type& rank, double& rcon) const
7076 0bade2dc44a1 [project @ 2007-10-29 18:09:57 by jwe] jwe parents: 7072 diff changeset	2762 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2763 ComplexColumnVector retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2764
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2765 octave_idx_type nrhs = 1;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2766
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2767 octave_idx_type m = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2768 octave_idx_type n = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2769
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2770 if (m != b.length ())
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2771 (*current_liboctave_error_handler)
6924 be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2772 ("matrix dimension mismatch solution of linear equations");
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2773 else if (m == 0 \|\| n == 0 \|\| b.cols () == 0)
be176b7e110a [project @ 2007-09-25 19:08:19 by dbateman] dbateman parents: 6867 diff changeset	2774 retval = ComplexColumnVector (n, Complex (0.0, 0.0));
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2775 else
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2776 {
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2777 volatile octave_idx_type minmn = (m < n ? m : n);
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2778 octave_idx_type maxmn = m > n ? m : n;
7788 45f5faba05a2 Add the rcond function David Bateman <dbateman@free.fr> parents: 7620 diff changeset	2779 rcon = -1.0;
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2780
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2781 if (m != n)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2782 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2783 retval = ComplexColumnVector (maxmn);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2784
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2785 for (octave_idx_type i = 0; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2786 retval.elem (i) = b.elem (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2787 }
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2788 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2789 retval = b;
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2790
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2791 ComplexMatrix atmp = *this;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2792 Complex *tmp_data = atmp.fortran_vec ();
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2793
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2794 Complex *pretval = retval.fortran_vec ();
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2795 Array<double> s (minmn, 1);
7071 c3b479e753dd [project @ 2007-10-26 15:14:34 by jwe] jwe parents: 7033 diff changeset	2796 double *ps = s.fortran_vec ();
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2797
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2798 // Ask ZGELSD what the dimension of WORK should be.
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2799 octave_idx_type lwork = -1;
3752 719a44ff67c9 [project @ 2000-12-13 19:02:42 by jwe] jwe parents: 3726 diff changeset	2800
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2801 Array<Complex> work (1, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2802
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2803 octave_idx_type smlsiz;
f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2804 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("ZGELSD", 6),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2805 F77_CONST_CHAR_ARG2 (" ", 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2806 0, 0, 0, 0, smlsiz
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2807 F77_CHAR_ARG_LEN (6)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2808 F77_CHAR_ARG_LEN (1));
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2809
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2810 // We compute the size of rwork and iwork because ZGELSD in
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2811 // older versions of LAPACK does not return them on a query
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2812 // call.
7124 d07cb867891b [project @ 2007-11-08 01:09:44 by jwe] jwe parents: 7079 diff changeset	2813 double dminmn = static_cast<double> (minmn);
d07cb867891b [project @ 2007-11-08 01:09:44 by jwe] jwe parents: 7079 diff changeset	2814 double dsmlsizp1 = static_cast<double> (smlsiz+1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2815 #if defined (HAVE_LOG2)
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2816 double tmp = log2 (dminmn / dsmlsizp1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2817 #else
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2818 double tmp = log (dminmn / dsmlsizp1) / log (2.0);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2819 #endif
7544 f9983d2761df more xGELSD workspace fixes Jaroslav Hajek <highegg@gmail.com> parents: 7532 diff changeset	2820 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2821 if (nlvl < 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2822 nlvl = 0;
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2823
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2824 octave_idx_type lrwork = minmn(10 + 2smlsiz + 8*nlvl)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2825 + 3smlsiznrhs + (smlsiz+1)*(smlsiz+1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2826 if (lrwork < 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2827 lrwork = 1;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2828 Array<double> rwork (lrwork, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2829 double *prwork = rwork.fortran_vec ();
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2830
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2831 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2832 if (liwork < 1)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2833 liwork = 1;
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2834 Array<octave_idx_type> iwork (liwork, 1);
7079 6d3e53a2f963 [project @ 2007-10-30 19:26:32 by jwe] jwe parents: 7076 diff changeset	2835 octave_idx_type* piwork = iwork.fortran_vec ();
7072 b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2836
b48d486f641d [project @ 2007-10-26 15:52:57 by jwe] jwe parents: 7071 diff changeset	2837 F77_XFCN (zgelsd, ZGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2838 ps, rcon, rank, work.fortran_vec (),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2839 lwork, prwork, piwork, info));
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2840
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2841 lwork = static_cast<octave_idx_type> (std::real (work(0)));
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2842 work.resize (lwork, 1);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2843 rwork.resize (static_cast<octave_idx_type> (rwork(0)), 1);
12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	2844 iwork.resize (iwork(0), 1);
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2845
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2846 F77_XFCN (zgelsd, ZGELSD, (m, n, nrhs, tmp_data, m, pretval,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2847 maxmn, ps, rcon, rank,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2848 work.fortran_vec (), lwork,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2849 prwork, piwork, info));
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2850
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	2851 if (rank < minmn)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2852 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2853 if (s.elem (0) == 0.0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2854 rcon = 0.0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2855 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2856 rcon = s.elem (minmn - 1) / s.elem (0);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2857
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2858 retval.resize (n, nrhs);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2859 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2860 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2861
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2862 return retval;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2863 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2864
1205 8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2865 // column vector by row vector -> matrix operations
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2866
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2867 ComplexMatrix
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2868 operator * (const ColumnVector& v, const ComplexRowVector& a)
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2869 {
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2870 ComplexColumnVector tmp (v);
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2871 return tmp * a;
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2872 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2873
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2874 ComplexMatrix
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2875 operator * (const ComplexColumnVector& a, const RowVector& b)
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2876 {
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2877 ComplexRowVector tmp (b);
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2878 return a * tmp;
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2879 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2880
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2881 ComplexMatrix
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2882 operator * (const ComplexColumnVector& v, const ComplexRowVector& a)
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2883 {
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2884 ComplexMatrix retval;
d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2885
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2886 octave_idx_type len = v.length ();
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3225 diff changeset	2887
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3225 diff changeset	2888 if (len != 0)
1205 8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2889 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2890 octave_idx_type a_len = a.length ();
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3225 diff changeset	2891
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	2892 retval = ComplexMatrix (len, a_len);
3233 98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3225 diff changeset	2893 Complex *c = retval.fortran_vec ();
98d0ee053ba4 [project @ 1999-01-27 20:23:40 by jwe] jwe parents: 3225 diff changeset	2894
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	2895 F77_XFCN (zgemm, ZGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2896 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2897 len, a_len, 1, 1.0, v.data (), len,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2898 a.data (), 1, 0.0, c, len
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2899 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	2900 F77_CHAR_ARG_LEN (1)));
1205 8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2901 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2902
1948 d7dec93d4b87 [project @ 1996-02-14 03:45:49 by jwe] jwe parents: 1882 diff changeset	2903 return retval;
1205 8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2904 }
8302fab9fe24 [project @ 1995-04-04 02:05:01 by jwe] jwe parents: 1195 diff changeset	2905
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2906 // matrix by diagonal matrix -> matrix operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2907
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2908 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2909 ComplexMatrix::operator += (const DiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2910 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2911 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2912 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2913
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2914 octave_idx_type a_nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2915 octave_idx_type a_nc = cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2916
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2917 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2918 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2919 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
889 a962376eac74 [project @ 1994-11-08 02:21:29 by jwe] jwe parents: 882 diff changeset	2920 return *this;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2921 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2922
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2923 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2924 elem (i, i) += a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2925
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2926 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2927 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2928
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2929 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2930 ComplexMatrix::operator -= (const DiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2931 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2932 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2933 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2934
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2935 octave_idx_type a_nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2936 octave_idx_type a_nc = cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2937
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2938 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2939 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2940 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
889 a962376eac74 [project @ 1994-11-08 02:21:29 by jwe] jwe parents: 882 diff changeset	2941 return *this;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2942 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2943
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2944 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2945 elem (i, i) -= a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2946
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2947 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2948 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2949
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2950 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2951 ComplexMatrix::operator += (const ComplexDiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2952 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2953 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2954 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2955
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2956 octave_idx_type a_nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2957 octave_idx_type a_nc = cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2958
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2959 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2960 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2961 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
889 a962376eac74 [project @ 1994-11-08 02:21:29 by jwe] jwe parents: 882 diff changeset	2962 return *this;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2963 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2964
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2965 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2966 elem (i, i) += a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2967
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2968 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2969 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2970
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2971 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2972 ComplexMatrix::operator -= (const ComplexDiagMatrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2973 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2974 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2975 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2976
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2977 octave_idx_type a_nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2978 octave_idx_type a_nc = cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2979
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2980 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2981 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	2982 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
889 a962376eac74 [project @ 1994-11-08 02:21:29 by jwe] jwe parents: 882 diff changeset	2983 return *this;
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2984 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2985
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2986 for (octave_idx_type i = 0; i < a.length (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2987 elem (i, i) -= a.elem (i, i);
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2988
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2989 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2990 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2991
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2992 // matrix by matrix -> matrix operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2993
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2994 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2995 ComplexMatrix::operator += (const Matrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	2996 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2997 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2998 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	2999
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3000 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3001 octave_idx_type a_nc = a.cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3002
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3003 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3004 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3005 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3006 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3007 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3008
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3009 if (nr == 0 \|\| nc == 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3010 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3011
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3012 Complex *d = fortran_vec (); // Ensures only one reference to my privates!
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3013
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	3014 mx_inline_add2 (length (), d, a.data ());
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3015 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3016 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3017
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3018 ComplexMatrix&
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3019 ComplexMatrix::operator -= (const Matrix& a)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3020 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3021 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3022 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3023
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3024 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3025 octave_idx_type a_nc = a.cols ();
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3026
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3027 if (nr != a_nr \|\| nc != a_nc)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3028 {
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3029 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3030 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3031 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3032
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3033 if (nr == 0 \|\| nc == 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3034 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3035
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3036 Complex *d = fortran_vec (); // Ensures only one reference to my privates!
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3037
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	3038 mx_inline_sub2 (length (), d, a.data ());
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3039 return *this;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3040 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3041
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3042 // unary operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3043
2964 0a2551ec7004 [project @ 1997-05-12 07:26:50 by jwe] jwe parents: 2870 diff changeset	3044 boolMatrix
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3045 ComplexMatrix::operator ! (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3046 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3047 return do_mx_unary_op<bool, Complex> (*this, mx_inline_not);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3048 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3049
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3050 // other operations
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3051
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3052 bool
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3053 ComplexMatrix::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3054 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3055 octave_idx_type nr = rows ();
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3056 octave_idx_type nc = cols ();
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3057
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3058 for (octave_idx_type j = 0; j < nc; j++)
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3059 for (octave_idx_type i = 0; i < nr; i++)
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3060 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3061 Complex val = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3062 if (xisnan (val))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3063 return true;
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3064 }
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3065
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3066 return false;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3067 }
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3068
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7803 diff changeset	3069 bool
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3070 ComplexMatrix::any_element_is_inf_or_nan (void) const
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3071 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3072 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3073 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3074
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3075 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3076 for (octave_idx_type i = 0; i < nr; i++)
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3077 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3078 Complex val = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3079 if (xisinf (val) \|\| xisnan (val))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3080 return true;
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3081 }
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3082
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3083 return false;
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3084 }
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3085
2408 e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3086 // Return true if no elements have imaginary components.
e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3087
e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3088 bool
e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3089 ComplexMatrix::all_elements_are_real (void) const
e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3090 {
9825 7483fe200fab narrow complex values with negative zero imaginary parts Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3091 return mx_inline_all_real (numel (), data ());
2408 e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3092 }
e22aae3ccfad [project @ 1996-10-15 16:37:52 by jwe] jwe parents: 2384 diff changeset	3093
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3094 // Return nonzero if any element of CM has a non-integer real or
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3095 // imaginary part. Also extract the largest and smallest (real or
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3096 // imaginary) values and return them in MAX_VAL and MIN_VAL.
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3097
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3098 bool
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3099 ComplexMatrix::all_integers (double& max_val, double& min_val) const
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3100 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3101 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3102 octave_idx_type nc = cols ();
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3103
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3104 if (nr > 0 && nc > 0)
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3105 {
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3106 Complex val = elem (0, 0);
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3107
5315 f9aff9291d94 [project @ 2005-04-28 02:36:59 by jwe] jwe parents: 5307 diff changeset	3108 double r_val = std::real (val);
f9aff9291d94 [project @ 2005-04-28 02:36:59 by jwe] jwe parents: 5307 diff changeset	3109 double i_val = std::imag (val);
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3110
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3111 max_val = r_val;
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3112 min_val = r_val;
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3113
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3114 if (i_val > max_val)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3115 max_val = i_val;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3116
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3117 if (i_val < max_val)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3118 min_val = i_val;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3119 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3120 else
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3121 return false;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3122
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3123 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3124 for (octave_idx_type i = 0; i < nr; i++)
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3125 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3126 Complex val = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3127
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3128 double r_val = std::real (val);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3129 double i_val = std::imag (val);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3130
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3131 if (r_val > max_val)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3132 max_val = r_val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3133
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3134 if (i_val > max_val)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3135 max_val = i_val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3136
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3137 if (r_val < min_val)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3138 min_val = r_val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3139
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3140 if (i_val < min_val)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3141 min_val = i_val;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3142
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3143 if (D_NINT (r_val) != r_val \|\| D_NINT (i_val) != i_val)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3144 return false;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3145 }
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3146
d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3147 return true;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3148 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3149
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3150 bool
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3151 ComplexMatrix::too_large_for_float (void) const
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3152 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3153 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3154 octave_idx_type nc = cols ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3155
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3156 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3157 for (octave_idx_type i = 0; i < nr; i++)
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3158 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3159 Complex val = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3160
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3161 double r_val = std::real (val);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3162 double i_val = std::imag (val);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3163
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3164 if ((! (xisnan (r_val) \|\| xisinf (r_val))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3165 && fabs (r_val) > FLT_MAX)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3166 \|\| (! (xisnan (i_val) \|\| xisinf (i_val))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3167 && fabs (i_val) > FLT_MAX))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3168 return true;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3169 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3170
2384 d9147efd1a93 [project @ 1996-10-12 17:56:38 by jwe] jwe parents: 2354 diff changeset	3171 return false;
1968 a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3172 }
a2e206524aa0 [project @ 1996-02-17 02:54:24 by jwe] jwe parents: 1950 diff changeset	3173
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5717 diff changeset	3174 // FIXME Do these really belong here? Maybe they should be
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3998 diff changeset	3175 // in a base class?
6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3998 diff changeset	3176
2832 4dff308e9acc [project @ 1997-03-26 05:16:58 by jwe] jwe parents: 2828 diff changeset	3177 boolMatrix
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3998 diff changeset	3178 ComplexMatrix::all (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3179 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3180 return do_mx_red_op<bool, Complex> (*this, dim, mx_inline_all);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3181 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3182
2832 4dff308e9acc [project @ 1997-03-26 05:16:58 by jwe] jwe parents: 2828 diff changeset	3183 boolMatrix
4015 6476dd85a65f [project @ 2002-08-02 07:59:19 by jwe] jwe parents: 3998 diff changeset	3184 ComplexMatrix::any (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3185 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3186 return do_mx_red_op<bool, Complex> (*this, dim, mx_inline_any);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3187 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3188
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3189 ComplexMatrix
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3585 diff changeset	3190 ComplexMatrix::cumprod (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3191 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3192 return do_mx_cum_op<Complex, Complex> (*this, dim, mx_inline_cumprod);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3193 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3194
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3195 ComplexMatrix
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3585 diff changeset	3196 ComplexMatrix::cumsum (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3197 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3198 return do_mx_cum_op<Complex, Complex> (*this, dim, mx_inline_cumsum);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3199 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3200
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3201 ComplexMatrix
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3585 diff changeset	3202 ComplexMatrix::prod (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3203 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3204 return do_mx_red_op<Complex, Complex> (*this, dim, mx_inline_prod);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3205 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3206
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3207 ComplexMatrix
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3585 diff changeset	3208 ComplexMatrix::sum (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3209 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3210 return do_mx_red_op<Complex, Complex> (*this, dim, mx_inline_sum);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3211 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3212
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3213 ComplexMatrix
3723 4c3774db5b3c [project @ 2000-10-12 05:10:08 by jwe] jwe parents: 3585 diff changeset	3214 ComplexMatrix::sumsq (int dim) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3215 {
10362 b47ab50a6aa8 simplify appliers in mx-inlines.cc Jaroslav Hajek <highegg@gmail.com> parents: 10352 diff changeset	3216 return do_mx_red_op<double, Complex> (*this, dim, mx_inline_sumsq);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3217 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3218
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	3219 Matrix ComplexMatrix::abs (void) const
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	3220 {
10363 a0728e81ed25 improve diag matrix interface & implementation Jaroslav Hajek <highegg@gmail.com> parents: 10362 diff changeset	3221 return do_mx_unary_map<double, Complex, std::abs> (*this);
4329 d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	3222 }
d53c33d93440 [project @ 2003-02-18 20:00:48 by jwe] jwe parents: 4316 diff changeset	3223
7620 36594d5bbe13 Move diag function into the octave_value class David Bateman <dbateman@free.fr> parents: 7544 diff changeset	3224 ComplexMatrix
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3225 ComplexMatrix::diag (octave_idx_type k) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3226 {
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	3227 return MArray<Complex>::diag (k);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3228 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3229
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3230 bool
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3231 ComplexMatrix::row_is_real_only (octave_idx_type i) const
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3232 {
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3233 bool retval = true;
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3234
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3235 octave_idx_type nc = columns ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3236
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3237 for (octave_idx_type j = 0; j < nc; j++)
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3238 {
5315 f9aff9291d94 [project @ 2005-04-28 02:36:59 by jwe] jwe parents: 5307 diff changeset	3239 if (std::imag (elem (i, j)) != 0.0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3240 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3241 retval = false;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3242 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3243 }
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3244 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3245
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3246 return retval;
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3247 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3248
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3249 bool
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3250 ComplexMatrix::column_is_real_only (octave_idx_type j) const
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3251 {
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3252 bool retval = true;
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3253
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3254 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3255
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3256 for (octave_idx_type i = 0; i < nr; i++)
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3257 {
5315 f9aff9291d94 [project @ 2005-04-28 02:36:59 by jwe] jwe parents: 5307 diff changeset	3258 if (std::imag (elem (i, j)) != 0.0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3259 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3260 retval = false;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3261 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3262 }
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3263 }
2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3264
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3265 return retval;
2354 2ce6e1ec9b53 [project @ 1996-08-20 22:44:25 by jwe] jwe parents: 2349 diff changeset	3266 }
891 9e6bdfdfcf86 [project @ 1994-11-08 20:59:39 by jwe] jwe parents: 889 diff changeset	3267
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3268 ComplexColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3269 ComplexMatrix::row_min (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3270 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3271 Array<octave_idx_type> dummy_idx;
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4552 diff changeset	3272 return row_min (dummy_idx);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3273 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3274
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3275 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3276 ComplexMatrix::row_min (Array<octave_idx_type>& idx_arg) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3277 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3278 ComplexColumnVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3279
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3280 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3281 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3282
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3283 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3284 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3285 result.resize (nr);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	3286 idx_arg.resize (nr, 1);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3287
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3288 for (octave_idx_type i = 0; i < nr; i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3289 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3290 bool real_only = row_is_real_only (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3291
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3292 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3293
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3294 Complex tmp_min;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3295
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3296 double abs_min = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3297
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3298 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3299 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3300 tmp_min = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3301
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3302 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3303 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3304 abs_min = real_only ? std::real (tmp_min) : std::abs (tmp_min);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3305 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3306 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3307 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3308
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3309 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3310 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3311 Complex tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3312
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3313 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3314 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3315
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3316 double abs_tmp = real_only ? std::real (tmp) : std::abs (tmp);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3317
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3318 if (abs_tmp < abs_min)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3319 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3320 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3321 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3322 abs_min = abs_tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3323 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3324 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3325
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3326 if (xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3327 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3328 result.elem (i) = Complex_NaN_result;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3329 idx_arg.elem (i) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3330 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3331 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3332 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3333 result.elem (i) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3334 idx_arg.elem (i) = idx_j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3335 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3336 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3337 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3338
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3339 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3340 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3341
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3342 ComplexColumnVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3343 ComplexMatrix::row_max (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3344 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3345 Array<octave_idx_type> dummy_idx;
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4552 diff changeset	3346 return row_max (dummy_idx);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3347 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3348
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3349 ComplexColumnVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3350 ComplexMatrix::row_max (Array<octave_idx_type>& idx_arg) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3351 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3352 ComplexColumnVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3353
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3354 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3355 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3356
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3357 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3358 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3359 result.resize (nr);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	3360 idx_arg.resize (nr, 1);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3361
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3362 for (octave_idx_type i = 0; i < nr; i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3363 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3364 bool real_only = row_is_real_only (i);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3365
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3366 octave_idx_type idx_j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3367
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3368 Complex tmp_max;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3369
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3370 double abs_max = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3371
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3372 for (idx_j = 0; idx_j < nc; idx_j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3373 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3374 tmp_max = elem (i, idx_j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3375
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3376 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3377 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3378 abs_max = real_only ? std::real (tmp_max) : std::abs (tmp_max);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3379 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3380 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3381 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3382
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3383 for (octave_idx_type j = idx_j+1; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3384 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3385 Complex tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3386
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3387 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3388 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3389
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3390 double abs_tmp = real_only ? std::real (tmp) : std::abs (tmp);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3391
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3392 if (abs_tmp > abs_max)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3393 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3394 idx_j = j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3395 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3396 abs_max = abs_tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3397 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3398 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3399
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3400 if (xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3401 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3402 result.elem (i) = Complex_NaN_result;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3403 idx_arg.elem (i) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3404 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3405 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3406 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3407 result.elem (i) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3408 idx_arg.elem (i) = idx_j;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3409 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3410 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3411 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3412
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3413 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3414 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3415
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3416 ComplexRowVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3417 ComplexMatrix::column_min (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3418 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3419 Array<octave_idx_type> dummy_idx;
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4552 diff changeset	3420 return column_min (dummy_idx);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3421 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3422
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3423 ComplexRowVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3424 ComplexMatrix::column_min (Array<octave_idx_type>& idx_arg) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3425 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3426 ComplexRowVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3427
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3428 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3429 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3430
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3431 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3432 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3433 result.resize (nc);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	3434 idx_arg.resize (1, nc);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3435
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3436 for (octave_idx_type j = 0; j < nc; j++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3437 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3438 bool real_only = column_is_real_only (j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3439
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3440 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3441
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3442 Complex tmp_min;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3443
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3444 double abs_min = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3445
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3446 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3447 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3448 tmp_min = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3449
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3450 if (! xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3451 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3452 abs_min = real_only ? std::real (tmp_min) : std::abs (tmp_min);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3453 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3454 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3455 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3456
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3457 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3458 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3459 Complex tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3460
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3461 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3462 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3463
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3464 double abs_tmp = real_only ? std::real (tmp) : std::abs (tmp);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3465
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3466 if (abs_tmp < abs_min)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3467 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3468 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3469 tmp_min = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3470 abs_min = abs_tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3471 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3472 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3473
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3474 if (xisnan (tmp_min))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3475 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3476 result.elem (j) = Complex_NaN_result;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3477 idx_arg.elem (j) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3478 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3479 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3480 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3481 result.elem (j) = tmp_min;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3482 idx_arg.elem (j) = idx_i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3483 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3484 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3485 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3486
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3487 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3488 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3489
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3490 ComplexRowVector
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3491 ComplexMatrix::column_max (void) const
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3492 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3493 Array<octave_idx_type> dummy_idx;
4587 7b957b442818 [project @ 2003-11-10 15:50:39 by jwe] jwe parents: 4552 diff changeset	3494 return column_max (dummy_idx);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3495 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3496
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3497 ComplexRowVector
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3498 ComplexMatrix::column_max (Array<octave_idx_type>& idx_arg) const
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3499 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3500 ComplexRowVector result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3501
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3502 octave_idx_type nr = rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3503 octave_idx_type nc = cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3504
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3505 if (nr > 0 && nc > 0)
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3506 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3507 result.resize (nc);
10350 12884915a8e4 merge MArray classes & improve Array interface Jaroslav Hajek <highegg@gmail.com> parents: 10314 diff changeset	3508 idx_arg.resize (1, nc);
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3509
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3510 for (octave_idx_type j = 0; j < nc; j++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3511 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3512 bool real_only = column_is_real_only (j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3513
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3514 octave_idx_type idx_i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3515
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3516 Complex tmp_max;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3517
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3518 double abs_max = octave_NaN;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3519
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3520 for (idx_i = 0; idx_i < nr; idx_i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3521 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3522 tmp_max = elem (idx_i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3523
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3524 if (! xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3525 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3526 abs_max = real_only ? std::real (tmp_max) : std::abs (tmp_max);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3527 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3528 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3529 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3530
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3531 for (octave_idx_type i = idx_i+1; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3532 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3533 Complex tmp = elem (i, j);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3534
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3535 if (xisnan (tmp))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3536 continue;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3537
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3538 double abs_tmp = real_only ? std::real (tmp) : std::abs (tmp);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3539
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3540 if (abs_tmp > abs_max)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3541 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3542 idx_i = i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3543 tmp_max = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3544 abs_max = abs_tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3545 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3546 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3547
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3548 if (xisnan (tmp_max))
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3549 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3550 result.elem (j) = Complex_NaN_result;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3551 idx_arg.elem (j) = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3552 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3553 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3554 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3555 result.elem (j) = tmp_max;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3556 idx_arg.elem (j) = idx_i;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3557 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3558 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3559 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3560
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3561 return result;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3562 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3563
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3564 // i/o
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3565
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	3566 std::ostream&
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	3567 operator << (std::ostream& os, const ComplexMatrix& a)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3568 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3569 for (octave_idx_type i = 0; i < a.rows (); i++)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3570 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3571 for (octave_idx_type j = 0; j < a.cols (); j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3572 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3573 os << " ";
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3574 octave_write_complex (os, a.elem (i, j));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3575 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3576 os << "\n";
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3577 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3578 return os;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3579 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3580
3504 5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	3581 std::istream&
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe] jwe parents: 3503 diff changeset	3582 operator >> (std::istream& is, ComplexMatrix& a)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3583 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3584 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3585 octave_idx_type nc = a.cols ();
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3586
8999 dc07bc4157b8 allow empty matrices in stream input operators Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	3587 if (nr > 0 && nc > 0)
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3588 {
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3589 Complex tmp;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3590 for (octave_idx_type i = 0; i < nr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3591 for (octave_idx_type j = 0; j < nc; j++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3592 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3593 tmp = octave_read_value<Complex> (is);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3594 if (is)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3595 a.elem (i, j) = tmp;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3596 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3597 goto done;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3598 }
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3599 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3600
2993 91589ab98e37 [project @ 1997-05-21 21:44:54 by jwe] jwe parents: 2964 diff changeset	3601 done:
91589ab98e37 [project @ 1997-05-21 21:44:54 by jwe] jwe parents: 2964 diff changeset	3602
458 38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3603 return is;
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3604 }
38cb88095913 [project @ 1994-06-06 00:41:10 by jwe] jwe parents: diff changeset	3605
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3606 ComplexMatrix
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3607 Givens (const Complex& x, const Complex& y)
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3608 {
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3609 double cc;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3610 Complex cs, temp_r;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3611
3887 7da18459c08b [project @ 2002-04-04 00:44:21 by jwe] jwe parents: 3864 diff changeset	3612 F77_FUNC (zlartg, ZLARTG) (x, y, cc, cs, temp_r);
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3613
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3614 ComplexMatrix g (2, 2);
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3615
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3616 g.elem (0, 0) = cc;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3617 g.elem (1, 1) = cc;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3618 g.elem (0, 1) = cs;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3619 g.elem (1, 0) = -conj (cs);
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3620
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3621 return g;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3622 }
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3623
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3624 ComplexMatrix
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3625 Sylvester (const ComplexMatrix& a, const ComplexMatrix& b,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3626 const ComplexMatrix& c)
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3627 {
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3628 ComplexMatrix retval;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3629
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5717 diff changeset	3630 // FIXME -- need to check that a, b, and c are all the same
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3631 // size.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3632
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3633 // Compute Schur decompositions
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3634
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3635 ComplexSCHUR as (a, "U");
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3636 ComplexSCHUR bs (b, "U");
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3637
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3638 // Transform c to new coordinates.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3639
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3640 ComplexMatrix ua = as.unitary_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3641 ComplexMatrix sch_a = as.schur_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3642
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3643 ComplexMatrix ub = bs.unitary_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3644 ComplexMatrix sch_b = bs.schur_matrix ();
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3645
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3646 ComplexMatrix cx = ua.hermitian () * c * ub;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3647
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3648 // Solve the sylvester equation, back-transform, and return the
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3649 // solution.
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3650
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3651 octave_idx_type a_nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3652 octave_idx_type b_nr = b.rows ();
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3653
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3654 double scale;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3655 octave_idx_type info;
1950 ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe] jwe parents: 1948 diff changeset	3656
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe] jwe parents: 1948 diff changeset	3657 Complex *pa = sch_a.fortran_vec ();
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe] jwe parents: 1948 diff changeset	3658 Complex *pb = sch_b.fortran_vec ();
ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe] jwe parents: 1948 diff changeset	3659 Complex *px = cx.fortran_vec ();
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3660
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4513 diff changeset	3661 F77_XFCN (ztrsyl, ZTRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3662 F77_CONST_CHAR_ARG2 ("N", 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3663 1, a_nr, b_nr, pa, a_nr, pb,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3664 b_nr, px, a_nr, scale, info
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3665 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3666 F77_CHAR_ARG_LEN (1)));
1950 ab6abe89aaa1 [project @ 1996-02-14 04:36:21 by jwe] jwe parents: 1948 diff changeset	3667
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	3668 // FIXME -- check info?
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	3669
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7478 diff changeset	3670 retval = -ua * cx * ub.hermitian ();
1819 8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3671
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3672 return retval;
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3673 }
8b8498bf8ec5 [project @ 1996-01-31 11:29:17 by jwe] jwe parents: 1699 diff changeset	3674
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3675 ComplexMatrix
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3676 operator * (const ComplexMatrix& m, const Matrix& a)
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3677 {
9663 7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3678 if (m.columns () > std::min (m.rows (), a.columns ()) / 10)
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3679 return ComplexMatrix (real (m) * a, imag (m) * a);
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3680 else
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3681 return m * ComplexMatrix (a);
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3682 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3683
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3684 ComplexMatrix
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3685 operator * (const Matrix& m, const ComplexMatrix& a)
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3686 {
9663 7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3687 if (a.rows () > std::min (m.rows (), a.columns ()) / 10)
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3688 return ComplexMatrix (m * real (a), m * imag (a));
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3689 else
7e5b4de5fbfe improve mixed real x complex ops Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	3690 return m * ComplexMatrix (a);
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3691 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3692
6162 b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3693 /* Simple Dot Product, Matrix-Vector and Matrix-Matrix Unit tests
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3694 %!assert([1+i 2+i 3+i] * [ 4+i ; 5+i ; 6+i], 29+21i, 1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3695 %!assert([1+i 2+i ; 3+i 4+i ] * [5+i ; 6+i], [15 + 14i ; 37 + 18i], 1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3696 %!assert([1+i 2+i ; 3+i 4+i ] * [5+i 6+i ; 7+i 8+i], [17 + 15i 20 + 17i; 41 + 19i 48 + 21i], 1e-14)
9526 f3ebc728ffd7 fix typos in complex xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3697 %!assert([1 i]*[i 0]', -i);
6162 b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3698 */
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3699
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3700 /* Test some simple identities
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3701 %!shared M, cv, rv
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3702 %! M = randn(10,10)+i*rand(10,10);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3703 %! cv = randn(10,1)+i*rand(10,1);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3704 %! rv = randn(1,10)+i*rand(1,10);
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3705 %!assert([Mcv,Mcv],M*[cv,cv],1e-14)
9528 ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9526 diff changeset	3706 %!assert([M.'cv,M.'cv],M.'*[cv,cv],1e-14)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9526 diff changeset	3707 %!assert([M'cv,M'cv],M'*[cv,cv],1e-14)
6162 b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3708 %!assert([rvM;rvM],[rv;rv]*M,1e-14)
9528 ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9526 diff changeset	3709 %!assert([rvM.';rvM.'],[rv;rv]*M.',1e-14)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9526 diff changeset	3710 %!assert([rvM';rvM'],[rv;rv]*M',1e-14)
6162 b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3711 %!assert(2rvcv,[rv,rv]*[cv;cv],1e-14)
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3712 */
b3c425131211 [project @ 2006-11-14 15:33:22 by jwe] jwe parents: 6060 diff changeset	3713
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3714 static const char *
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3715 get_blas_trans_arg (bool trans, bool conj)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3716 {
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3717 static char blas_notrans = 'N', blas_trans = 'T', blas_conj_trans = 'C';
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3718 return trans ? (conj ? &blas_conj_trans : &blas_trans) : &blas_notrans;
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3719 }
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3720
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3721 // the general GEMM operation
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3722
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3723 ComplexMatrix
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3724 xgemm (const ComplexMatrix& a, const ComplexMatrix& b,
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3725 blas_trans_type transa, blas_trans_type transb)
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3726 {
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3727 ComplexMatrix retval;
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3728
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3729 bool tra = transa != blas_no_trans, trb = transb != blas_no_trans;
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3730 bool cja = transa == blas_conj_trans, cjb = transb == blas_conj_trans;
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3731
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3732 octave_idx_type a_nr = tra ? a.cols () : a.rows ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3733 octave_idx_type a_nc = tra ? a.rows () : a.cols ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3734
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3735 octave_idx_type b_nr = trb ? b.cols () : b.rows ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3736 octave_idx_type b_nc = trb ? b.rows () : b.cols ();
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3737
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3738 if (a_nc != b_nr)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3739 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3740 else
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3741 {
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3742 if (a_nr == 0 \|\| a_nc == 0 \|\| b_nc == 0)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3743 retval = ComplexMatrix (a_nr, b_nc, 0.0);
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3744 else if (a.data () == b.data () && a_nr == b_nc && tra != trb)
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3745 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3746 octave_idx_type lda = a.rows ();
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3747
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	3748 retval = ComplexMatrix (a_nr, b_nc);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3749 Complex *c = retval.fortran_vec ();
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3750
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3751 const char *ctra = get_blas_trans_arg (tra, cja);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3752 if (cja \|\| cjb)
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3753 {
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3754 F77_XFCN (zherk, ZHERK, (F77_CONST_CHAR_ARG2 ("U", 1),
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3755 F77_CONST_CHAR_ARG2 (ctra, 1),
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3756 a_nr, a_nc, 1.0,
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3757 a.data (), lda, 0.0, c, a_nr
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3758 F77_CHAR_ARG_LEN (1)
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3759 F77_CHAR_ARG_LEN (1)));
10124 e5c6600e3400 use octave_idx_type where needed Jaroslav Hajek <highegg@gmail.com> parents: 10105 diff changeset	3760 for (octave_idx_type j = 0; j < a_nr; j++)
e5c6600e3400 use octave_idx_type where needed Jaroslav Hajek <highegg@gmail.com> parents: 10105 diff changeset	3761 for (octave_idx_type i = 0; i < j; i++)
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3762 retval.xelem (j,i) = std::conj (retval.xelem (i,j));
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3763 }
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3764 else
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3765 {
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3766 F77_XFCN (zsyrk, ZSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3767 F77_CONST_CHAR_ARG2 (ctra, 1),
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3768 a_nr, a_nc, 1.0,
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3769 a.data (), lda, 0.0, c, a_nr
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3770 F77_CHAR_ARG_LEN (1)
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3771 F77_CHAR_ARG_LEN (1)));
10124 e5c6600e3400 use octave_idx_type where needed Jaroslav Hajek <highegg@gmail.com> parents: 10105 diff changeset	3772 for (octave_idx_type j = 0; j < a_nr; j++)
e5c6600e3400 use octave_idx_type where needed Jaroslav Hajek <highegg@gmail.com> parents: 10105 diff changeset	3773 for (octave_idx_type i = 0; i < j; i++)
7801 776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3774 retval.xelem (j,i) = retval.xelem (i,j);
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3775
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3776 }
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3777
776791438957 map symmetric cases to xHERK, xSYRK Jaroslav Hajek <highegg@gmail.com> parents: 7800 diff changeset	3778 }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3779 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3780 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3781 octave_idx_type lda = a.rows (), tda = a.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3782 octave_idx_type ldb = b.rows (), tdb = b.cols ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3783
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3784 retval = ComplexMatrix (a_nr, b_nc);
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3785 Complex *c = retval.fortran_vec ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3786
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3787 if (b_nc == 1 && a_nr == 1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3788 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3789 if (cja == cjb)
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3790 {
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3791 F77_FUNC (xzdotu, XZDOTU) (a_nc, a.data (), 1, b.data (), 1, *c);
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3792 if (cja) c = std::conj (c);
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3793 }
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3794 else if (cja)
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3795 F77_FUNC (xzdotc, XZDOTC) (a_nc, a.data (), 1, b.data (), 1, *c);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3796 else
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3797 F77_FUNC (xzdotc, XZDOTC) (a_nc, b.data (), 1, a.data (), 1, *c);
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3798 }
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3799 else if (b_nc == 1 && ! cjb)
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3800 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3801 const char *ctra = get_blas_trans_arg (tra, cja);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3802 F77_XFCN (zgemv, ZGEMV, (F77_CONST_CHAR_ARG2 (ctra, 1),
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3803 lda, tda, 1.0, a.data (), lda,
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3804 b.data (), 1, 0.0, c, 1
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3805 F77_CHAR_ARG_LEN (1)));
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3806 }
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3807 else if (a_nr == 1 && ! cja && ! cjb)
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3808 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3809 const char *crevtrb = get_blas_trans_arg (! trb, cjb);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3810 F77_XFCN (zgemv, ZGEMV, (F77_CONST_CHAR_ARG2 (crevtrb, 1),
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3811 ldb, tdb, 1.0, b.data (), ldb,
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3812 a.data (), 1, 0.0, c, 1
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3813 F77_CHAR_ARG_LEN (1)));
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3814 }
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3815 else
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3816 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3817 const char *ctra = get_blas_trans_arg (tra, cja);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3818 const char *ctrb = get_blas_trans_arg (trb, cjb);
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3819 F77_XFCN (zgemm, ZGEMM, (F77_CONST_CHAR_ARG2 (ctra, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3820 F77_CONST_CHAR_ARG2 (ctrb, 1),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3821 a_nr, b_nc, a_nc, 1.0, a.data (),
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3822 lda, b.data (), ldb, 0.0, c, a_nr
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3823 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3824 F77_CHAR_ARG_LEN (1)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3825 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3826 }
2828 92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3827 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3829 return retval;
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3830 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe] jwe parents: 2815 diff changeset	3831
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3832 ComplexMatrix
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3833 operator * (const ComplexMatrix& a, const ComplexMatrix& b)
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3834 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9663 diff changeset	3835 return xgemm (a, b);
7800 5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3836 }
5861b95e9879 support for compound operators, implement trans_mul, mul_trans, herm_mul and mul_herm Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	3837
5775 ace8d8d26933 [project @ 2006-04-24 19:13:06 by jwe] jwe parents: 5717 diff changeset	3838 // FIXME -- it would be nice to share code among the min/max
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3839 // functions below.
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3840
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3841 #define EMPTY_RETURN_CHECK(T) \
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3842 if (nr == 0 \|\| nc == 0) \
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3843 return T (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3844
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3845 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3846 min (const Complex& c, const ComplexMatrix& m)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3847 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3848 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3849 octave_idx_type nc = m.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3850
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3851 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3852
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3853 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3854
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3855 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3856 for (octave_idx_type i = 0; i < nr; i++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3857 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3858 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3859 result (i, j) = xmin (c, m (i, j));
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3860 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3861
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3862 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3863 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3864
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3865 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3866 min (const ComplexMatrix& m, const Complex& c)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3867 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3868 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3869 octave_idx_type nc = m.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3870
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3871 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3872
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3873 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3874
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3875 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3876 for (octave_idx_type i = 0; i < nr; i++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3877 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3878 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3879 result (i, j) = xmin (m (i, j), c);
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3880 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3881
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3882 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3883 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3884
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3885 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3886 min (const ComplexMatrix& a, const ComplexMatrix& b)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3887 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3888 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3889 octave_idx_type nc = a.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3890
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3891 if (nr != b.rows () \|\| nc != b.columns ())
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3892 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3893 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3894 ("two-arg min expecting args of same size");
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3895 return ComplexMatrix ();
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3896 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3897
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3898 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3899
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3900 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3901
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3902 for (octave_idx_type j = 0; j < nc; j++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3903 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3904 int columns_are_real_only = 1;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3905 for (octave_idx_type i = 0; i < nr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3906 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3907 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3908 if (std::imag (a (i, j)) != 0.0 \|\| std::imag (b (i, j)) != 0.0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3909 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3910 columns_are_real_only = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3911 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3912 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3913 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3914
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3915 if (columns_are_real_only)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3916 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3917 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3918 result (i, j) = xmin (std::real (a (i, j)), std::real (b (i, j)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3919 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3920 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3921 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3922 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3923 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3924 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3925 result (i, j) = xmin (a (i, j), b (i, j));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3926 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3927 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3928 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3929
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3930 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3931 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3932
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3933 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3934 max (const Complex& c, const ComplexMatrix& m)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3935 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3936 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3937 octave_idx_type nc = m.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3938
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3939 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3940
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3941 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3942
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3943 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3944 for (octave_idx_type i = 0; i < nr; i++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3945 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3946 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3947 result (i, j) = xmax (c, m (i, j));
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3948 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3949
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3950 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3951 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3952
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3953 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3954 max (const ComplexMatrix& m, const Complex& c)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3955 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3956 octave_idx_type nr = m.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3957 octave_idx_type nc = m.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3958
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3959 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3960
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3961 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3962
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3963 for (octave_idx_type j = 0; j < nc; j++)
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3964 for (octave_idx_type i = 0; i < nr; i++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3965 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3966 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3967 result (i, j) = xmax (m (i, j), c);
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3968 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3969
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3970 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3971 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3972
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3973 ComplexMatrix
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3974 max (const ComplexMatrix& a, const ComplexMatrix& b)
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3975 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3976 octave_idx_type nr = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3977 octave_idx_type nc = a.columns ();
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3978
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3979 if (nr != b.rows () \|\| nc != b.columns ())
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3980 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3981 (*current_liboctave_error_handler)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3982 ("two-arg max expecting args of same size");
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3983 return ComplexMatrix ();
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3984 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3985
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3986 EMPTY_RETURN_CHECK (ComplexMatrix);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3987
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3988 ComplexMatrix result (nr, nc);
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3989
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3990 for (octave_idx_type j = 0; j < nc; j++)
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3991 {
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	3992 int columns_are_real_only = 1;
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5260 diff changeset	3993 for (octave_idx_type i = 0; i < nr; i++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3994 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3995 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3996 if (std::imag (a (i, j)) != 0.0 \|\| std::imag (b (i, j)) != 0.0)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3997 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3998 columns_are_real_only = 0;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	3999 break;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4000 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4001 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4002
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4003 if (columns_are_real_only)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4004 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4005 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4006 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4007 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4008 result (i, j) = xmax (std::real (a (i, j)), std::real (b (i, j)));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4009 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4010 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4011 else
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4012 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4013 for (octave_idx_type i = 0; i < nr; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4014 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4015 octave_quit ();
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4016 result (i, j) = xmax (a (i, j), b (i, j));
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4017 }
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10213 diff changeset	4018 }
4309 a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4019 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4020
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4021 return result;
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4022 }
a9560cebae6e [project @ 2003-01-28 23:24:58 by jwe] jwe parents: 4192 diff changeset	4023
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4024 ComplexMatrix linspace (const ComplexColumnVector& x1,
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4025 const ComplexColumnVector& x2,
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4026 octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4027
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4028 {
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4029 if (n < 1) n = 1;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4030
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4031 octave_idx_type m = x1.length ();
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4032
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4033 if (x2.length () != m)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4034 (*current_liboctave_error_handler) ("linspace: vectors must be of equal length");
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4035
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4036 NoAlias<ComplexMatrix> retval;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4037
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4038 retval.clear (m, n);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4039 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4040 retval(i, 0) = x1(i);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4041
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4042 // The last column is not needed while using delta.
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	4043 Complex *delta = &retval(0, n-1);
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4044 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4045 delta[i] = (x2(i) - x1(i)) / (n - 1.0);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4046
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4047 for (octave_idx_type j = 1; j < n-1; j++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4048 for (octave_idx_type i = 0; i < m; i++)
9658 3429c956de6f extend linspace & fix up liboctave rewrite Jaroslav Hajek <highegg@gmail.com> parents: 9653 diff changeset	4049 retval(i, j) = x1(i) + static_cast<double> (j)*delta[i];
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4050
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4051 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4052 retval(i, n-1) = x2(i);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4053
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4054 return retval;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4055 }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	4056
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	4057 MS_CMP_OPS (ComplexMatrix, Complex)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	4058 MS_BOOL_OPS (ComplexMatrix, Complex)
2870 3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe] jwe parents: 2847 diff changeset	4059
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	4060 SM_CMP_OPS (Complex, ComplexMatrix)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	4061 SM_BOOL_OPS (Complex, ComplexMatrix)
2870 3241d0057e78 [project @ 1997-04-19 01:21:29 by jwe] jwe parents: 2847 diff changeset	4062
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	4063 MM_CMP_OPS (ComplexMatrix, ComplexMatrix)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	4064 MM_BOOL_OPS (ComplexMatrix, ComplexMatrix)

Mercurial > hg > octave-lyh

annotate liboctave/CMatrix.cc @ 10805:8c858a1a2079