octave-nkf: liboctave/fMatrix.cc annotate

annotate liboctave/fMatrix.cc @ 10213:f7ba6cfe7fb7

fix det() after singular matrix is flagged

author	Jaroslav Hajek <highegg@gmail.com>
date	Thu, 28 Jan 2010 08:06:13 +0100
parents	4c0cdbe0acca
children	07ebe522dac2

rev	line source
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1 // Matrix manipulations.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2 /*
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	4 Copyright (C) 2008, 2009 Jaroslav Hajek
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	5 Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	6 2003, 2004, 2005, 2006, 2007 John W. Eaton
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.
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	8
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	9 This file is part of Octave.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	10
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	11 Octave is free software; you can redistribute it and/or modify it
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	12 under the terms of the GNU General Public License as published by the
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	13 Free Software Foundation; either version 3 of the License, or (at your
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	14 option) any later version.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	15
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	16 Octave is distributed in the hope that it will be useful, but WITHOUT
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	19 for more details.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	20
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	21 You should have received a copy of the GNU General Public License
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	22 along with Octave; see the file COPYING. If not, see
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	23 <http://www.gnu.org/licenses/>.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	24
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	25 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	26
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	27 #ifdef HAVE_CONFIG_H
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	28 #include <config.h>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	29 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	30
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	31 #include <cfloat>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	32
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	33 #include <iostream>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	34 #include <vector>
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	35
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	36 #include "Array-util.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	37 #include "DET.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	38 #include "byte-swap.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	39 #include "f77-fcn.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	40 #include "fMatrix.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	41 #include "floatCHOL.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	42 #include "floatSCHUR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	43 #include "floatSVD.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	44 #include "functor.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	45 #include "lo-error.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	46 #include "lo-ieee.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	47 #include "lo-mappers.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	48 #include "lo-utils.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	49 #include "mx-base.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	50 #include "mx-fdm-fm.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	51 #include "mx-fm-fdm.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	52 #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	53 #include "mx-op-defs.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	54 #include "oct-cmplx.h"
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	55 #include "oct-fftw.h"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	56 #include "oct-locbuf.h"
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	57 #include "oct-norm.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	58 #include "quit.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	59
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	60 // Fortran functions we call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	61
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	62 extern "C"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	63 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	64 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	65 F77_FUNC (xilaenv, XILAENV) (const octave_idx_type&, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	66 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	67 const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	68 const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	69 octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	70 F77_CHAR_ARG_LEN_DECL F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	71
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	72 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	73 F77_FUNC (sgebal, SGEBAL) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	74 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	75 octave_idx_type&, float*, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	76 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	77
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	78 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	79 F77_FUNC (sgebak, SGEBAK) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	80 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	81 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	82 const octave_idx_type&, float*, const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	83 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	84 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	85
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	86
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	87 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	88 F77_FUNC (sgemm, SGEMM) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	89 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	90 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	91 const float&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	92 const float*, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	93 float*, const octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	94 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	95 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	96
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	97 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	98 F77_FUNC (sgemv, SGEMV) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	99 const octave_idx_type&, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	100 const float, const octave_idx_type&, const float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	101 const octave_idx_type&, const float&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	102 const octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	103 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	104
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	105 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	106 F77_FUNC (xsdot, XSDOT) (const octave_idx_type&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	107 const float*, const octave_idx_type&, float&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	108
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	109 F77_RET_T
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	110 F77_FUNC (ssyrk, SSYRK) (F77_CONST_CHAR_ARG_DECL,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	111 F77_CONST_CHAR_ARG_DECL,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	112 const octave_idx_type&, const octave_idx_type&,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	113 const float&, const float*, const octave_idx_type&,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	114 const float&, float*, const octave_idx_type&
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	115 F77_CHAR_ARG_LEN_DECL
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	116 F77_CHAR_ARG_LEN_DECL);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	117
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	118 F77_RET_T
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	119 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&, float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	120 octave_idx_type*, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	121
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	122 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	123 F77_FUNC (sgetrs, SGETRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	124 const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	125 const octave_idx_type, float, const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	126 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	127
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	128 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	129 F77_FUNC (sgetri, SGETRI) (const octave_idx_type&, float, const octave_idx_type&, const octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	130 float*, const octave_idx_type&, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	131
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	132 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	133 F77_FUNC (sgecon, SGECON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	134 const octave_idx_type&, const float&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	135 float, octave_idx_type, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	136 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	137
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	138 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	139 F77_FUNC (sgelsy, SGELSY) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	140 float, const octave_idx_type&, float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	141 const octave_idx_type&, octave_idx_type*, float&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	142 float*, const octave_idx_type&, octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	143
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	144 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	145 F77_FUNC (sgelsd, SGELSD) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	146 float, const octave_idx_type&, float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	147 const octave_idx_type&, float*, float&, octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	148 float, const octave_idx_type&, octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	149 octave_idx_type&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	150
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	151 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	152 F77_FUNC (spotrf, SPOTRF) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	153 float *, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	154 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	155
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	156 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	157 F77_FUNC (spocon, SPOCON) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	158 float*, const octave_idx_type&, const float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	159 float&, float, octave_idx_type,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	160 octave_idx_type& F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	161 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	162 F77_FUNC (spotrs, SPOTRS) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	163 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	164 const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	165 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	166 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	168 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	169 F77_FUNC (strtri, STRTRI) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	170 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	171 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	172 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	173 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	174 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	175 F77_FUNC (strcon, STRCON) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	176 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	177 const float*, const octave_idx_type&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	178 float, octave_idx_type, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	179 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	180 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	181 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	182 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	183 F77_FUNC (strtrs, STRTRS) (F77_CONST_CHAR_ARG_DECL, F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	184 F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	185 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	186 const octave_idx_type&, float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	187 const octave_idx_type&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	188 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	189 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	190 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	191
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	192 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	193 F77_FUNC (slartg, SLARTG) (const float&, const float&, float&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	194 float&, float&);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	195
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	196 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	197 F77_FUNC (strsyl, STRSYL) (F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	198 F77_CONST_CHAR_ARG_DECL,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	199 const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	200 const float, const octave_idx_type&, const float,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	201 const octave_idx_type&, const float*, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	202 float&, octave_idx_type&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	203 F77_CHAR_ARG_LEN_DECL
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	204 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	205
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	206 F77_RET_T
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	207 F77_FUNC (xslange, XSLANGE) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type&,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	208 const octave_idx_type&, const float*,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	209 const octave_idx_type&, float*, float&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	210 F77_CHAR_ARG_LEN_DECL);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	211 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	212
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	213 // Matrix class.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	214
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	215 FloatMatrix::FloatMatrix (const FloatRowVector& rv)
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	216 : MArray2<float> (Array2<float> (rv, 1, rv.length ()))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	217 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	218 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	219
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	220 FloatMatrix::FloatMatrix (const FloatColumnVector& cv)
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	221 : MArray2<float> (Array2<float> (cv, cv.length (), 1))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	222 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	223 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	224
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	225 FloatMatrix::FloatMatrix (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	226 : MArray2<float> (a.rows (), a.cols (), 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	227 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	228 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	229 elem (i, i) = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	230 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	231
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	232 FloatMatrix::FloatMatrix (const PermMatrix& a)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	233 : MArray2<float> (a.rows (), a.cols (), 0.0)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	234 {
8375 e3c9102431a9 fix design problems of diag & perm matrix classes Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	235 const Array<octave_idx_type> ia (a.pvec ());
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	236 octave_idx_type len = a.rows ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	237 if (a.is_col_perm ())
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	238 for (octave_idx_type i = 0; i < len; i++)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	239 elem (ia(i), i) = 1.0;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	240 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	241 for (octave_idx_type i = 0; i < len; i++)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	242 elem (i, ia(i)) = 1.0;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	243 }
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 8337 diff changeset	244
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	245 // FIXME -- could we use a templated mixed-type copy function
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	246 // here?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	247
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	248 FloatMatrix::FloatMatrix (const boolMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	249 : MArray2<float> (a.rows (), a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	250 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	251 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	252 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	253 elem (i, j) = a.elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	254 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	255
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	256 FloatMatrix::FloatMatrix (const charMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	257 : MArray2<float> (a.rows (), a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	258 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	259 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	260 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	261 elem (i, j) = static_cast<unsigned char> (a.elem (i, j));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	262 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	263
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	264 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	265 FloatMatrix::operator == (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	266 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	267 if (rows () != a.rows () \|\| cols () != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	268 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	269
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	270 return mx_inline_equal (length (), data (), a.data ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	271 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	272
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	273 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	274 FloatMatrix::operator != (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	275 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	276 return !(*this == a);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	277 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	278
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	279 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	280 FloatMatrix::is_symmetric (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	281 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	282 if (is_square () && rows () > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	283 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	284 for (octave_idx_type i = 0; i < rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	285 for (octave_idx_type j = i+1; j < cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	286 if (elem (i, j) != elem (j, i))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	287 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	288
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	289 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	290 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	291
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	292 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	293 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	294
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	295 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	296 FloatMatrix::insert (const FloatMatrix& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	297 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	298 Array2<float>::insert (a, r, c);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	299 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	300 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	301
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	302 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	303 FloatMatrix::insert (const FloatRowVector& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	304 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	305 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	306
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	307 if (r < 0 \|\| r >= rows () \|\| c < 0 \|\| c + a_len > cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	308 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	309 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	310 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	311 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	312
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	313 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	314 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	315 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	316
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	317 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	318 xelem (r, c+i) = a.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	319 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	320
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	321 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	322 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	323
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	324 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	325 FloatMatrix::insert (const FloatColumnVector& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	326 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	327 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	328
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	329 if (r < 0 \|\| r + a_len > rows () \|\| c < 0 \|\| c >= cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	330 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	331 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	332 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	333 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	334
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	335 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	336 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	337 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	338
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	339 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	340 xelem (r+i, c) = a.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	341 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	342
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	343 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	344 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	345
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	346 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	347 FloatMatrix::insert (const FloatDiagMatrix& a, octave_idx_type r, octave_idx_type c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	348 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	349 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	350 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	351
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	352 if (r < 0 \|\| r + a_nr > rows () \|\| c < 0 \|\| c + a_nc > cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	353 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	354 (*current_liboctave_error_handler) ("range error for insert");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	355 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	356 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	357
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	358 fill (0.0, r, c, r + a_nr - 1, c + a_nc - 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	359
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	360 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	361
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	362 if (a_len > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	363 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	364 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	365
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	366 for (octave_idx_type i = 0; i < a_len; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	367 xelem (r+i, c+i) = a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	368 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	369
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	370 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	371 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	372
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	373 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	374 FloatMatrix::fill (float val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	375 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	376 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	377 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	378
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	379 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	380 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	381 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	382
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	383 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	384 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	385 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	386 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	387
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	388 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	389 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	390
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	391 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	392 FloatMatrix::fill (float val, octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	393 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	394 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	395 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	396
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	397 if (r1 < 0 \|\| r2 < 0 \|\| c1 < 0 \|\| c2 < 0
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	398 \|\| r1 >= nr \|\| r2 >= nr \|\| c1 >= nc \|\| c2 >= nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	399 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	400 (*current_liboctave_error_handler) ("range error for fill");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	401 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	402 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	403
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	404 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	405 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	406
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	407 if (r2 >= r1 && c2 >= c1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	408 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	409 make_unique ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	410
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	411 for (octave_idx_type j = c1; j <= c2; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	412 for (octave_idx_type i = r1; i <= r2; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	413 xelem (i, j) = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	414 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	415
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	416 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	417 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	418
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	419 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	420 FloatMatrix::append (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	421 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	422 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	423 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	424 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	425 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	426 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	427 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	428 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	429
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	430 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	431 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	432 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	433 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	434 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	435 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	436
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	437 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	438 FloatMatrix::append (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	439 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	440 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	441 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	442 if (nr != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	443 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	444 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	445 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	446 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	447
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	448 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	449 FloatMatrix retval (nr, nc + a.length ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	450 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	451 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	452 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	453 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	454
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	455 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	456 FloatMatrix::append (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	457 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	458 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	459 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	460 if (nr != a.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	461 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	462 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	463 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	464 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	465
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	466 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	467 FloatMatrix retval (nr, nc + 1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	468 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	469 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	470 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	471 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	472
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	473 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	474 FloatMatrix::append (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	475 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	476 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	477 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	478 if (nr != a.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	479 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	480 (*current_liboctave_error_handler) ("row dimension mismatch for append");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	481 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	482 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	483
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	484 octave_idx_type nc_insert = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	485 FloatMatrix retval (nr, nc + a.cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	486 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	487 retval.insert (a, 0, nc_insert);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	488 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	489 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	490
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	491 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	492 FloatMatrix::stack (const FloatMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	493 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	494 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	495 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	496 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	497 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	498 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	499 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	500 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	501 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	502
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	503 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	504 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	505 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	506 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	507 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	508 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	509
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	510 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	511 FloatMatrix::stack (const FloatRowVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	512 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	513 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	514 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	515 if (nc != a.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	516 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	517 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	518 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	519 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	520 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	521
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	522 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	523 FloatMatrix retval (nr + 1, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	524 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	525 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	526 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	527 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	528
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	529 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	530 FloatMatrix::stack (const FloatColumnVector& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	531 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	532 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	533 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	534 if (nc != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	535 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	536 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	537 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	538 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	539 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	540
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	541 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	542 FloatMatrix retval (nr + a.length (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	543 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	544 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	545 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	546 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	547
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	548 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	549 FloatMatrix::stack (const FloatDiagMatrix& a) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	550 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	551 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	552 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	553 if (nc != a.cols ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	554 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	555 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	556 ("column dimension mismatch for stack");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	557 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	558 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	559
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	560 octave_idx_type nr_insert = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	561 FloatMatrix retval (nr + a.rows (), nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	562 retval.insert (*this, 0, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	563 retval.insert (a, nr_insert, 0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	564 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	565 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	566
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	567 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	568 real (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	569 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	570 return FloatMatrix (mx_inline_real_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	571 a.rows (), a.cols ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	572 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	573
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	574 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	575 imag (const FloatComplexMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	576 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	577 return FloatMatrix (mx_inline_imag_dup (a.data (), a.length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	578 a.rows (), a.cols ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	579 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	580
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	581 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	582 FloatMatrix::extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	583 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	584 if (r1 > r2) { octave_idx_type tmp = r1; r1 = r2; r2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	585 if (c1 > c2) { octave_idx_type tmp = c1; c1 = c2; c2 = tmp; }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	586
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	587 octave_idx_type new_r = r2 - r1 + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	588 octave_idx_type new_c = c2 - c1 + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	589
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	590 FloatMatrix result (new_r, new_c);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	591
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	592 for (octave_idx_type j = 0; j < new_c; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	593 for (octave_idx_type i = 0; i < new_r; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	594 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	595
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	596 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	597 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	598
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	599 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	600 FloatMatrix::extract_n (octave_idx_type r1, octave_idx_type c1, octave_idx_type nr, octave_idx_type nc) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	601 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	602 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	603
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	604 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	605 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	606 result.xelem (i, j) = elem (r1+i, c1+j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	607
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	608 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	609 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	610
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	611 // extract row or column i.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	612
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	613 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	614 FloatMatrix::row (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	615 {
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	616 return MArray<float> (index (idx_vector (i), idx_vector::colon));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	617 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	618
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	619 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	620 FloatMatrix::column (octave_idx_type i) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	621 {
8614 5114ea5a41b5 use shallow copying in Matrix/RowVector/ColumnVector conversions Jaroslav Hajek <highegg@gmail.com> parents: 8392 diff changeset	622 return MArray<float> (index (idx_vector::colon, idx_vector (i)));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	623 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	624
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	625 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	626 FloatMatrix::inverse (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	627 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	628 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	629 float rcon;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	630 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	631 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	632 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	633
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	634 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	635 FloatMatrix::inverse (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	636 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	637 float rcon;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	638 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	639 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	640 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	641
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	642 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	643 FloatMatrix::inverse (octave_idx_type& info, float& rcon, int force,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	644 int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	645 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	646 MatrixType mattype (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	647 return inverse (mattype, info, rcon, force, calc_cond);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	648 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	649
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	650 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	651 FloatMatrix::inverse (MatrixType& mattype) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	652 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	653 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	654 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	655 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	656 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	657
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	658 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	659 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	660 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	661 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	662 return inverse (mattype, info, rcon, 0, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	663 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	664
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	665 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	666 FloatMatrix::tinverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	667 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	668 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	669 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	670
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	671 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	672 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	673
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	674 if (nr != nc \|\| nr == 0 \|\| nc == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	675 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	676 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	677 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	678 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	679 char uplo = (typ == MatrixType::Lower ? 'L' : 'U');
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	680 char udiag = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	681 retval = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	682 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	683
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	684 F77_XFCN (strtri, STRTRI, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	685 F77_CONST_CHAR_ARG2 (&udiag, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	686 nr, tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	687 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	688 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	689
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	690 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	691 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	692 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	693 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	694 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	695 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	696 octave_idx_type dtrcon_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	697 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	698
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	699 OCTAVE_LOCAL_BUFFER (float, work, 3 * nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	700 OCTAVE_LOCAL_BUFFER (octave_idx_type, iwork, nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	701
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	702 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	703 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	704 F77_CONST_CHAR_ARG2 (&udiag, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	705 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	706 work, iwork, dtrcon_info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	707 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	708 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	709 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	710
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	711 if (dtrcon_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	712 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	713 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	714
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	715 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	716 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	717 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	718
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	719 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	720 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	721
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	722
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	723 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	724 FloatMatrix::finverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	725 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	726 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	727 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	728
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	729 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	730 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	731
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	732 if (nr != nc \|\| nr == 0 \|\| nc == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	733 (*current_liboctave_error_handler) ("inverse requires square matrix");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	734 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	735 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	736 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	737 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	738
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	739 retval = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	740 float *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	741
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	742 Array<float> z(1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	743 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	744
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	745 // Query the optimum work array size.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	746 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	747 z.fortran_vec (), lwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	748
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	749 lwork = static_cast<octave_idx_type> (z(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	750 lwork = (lwork < 2 nc ? 2nc : lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	751 z.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	752 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	753
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	754 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	755
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	756 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	757 float anorm = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	758 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	759 anorm = retval.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	760
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	761 F77_XFCN (sgetrf, SGETRF, (nc, nc, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	762
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	763 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	764 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	765 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	766 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	767 else if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	768 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	769 octave_idx_type dgecon_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	770
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	771 // Now calculate the condition number for non-singular matrix.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	772 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	773 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	774 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	775 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	776 nc, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	777 rcon, pz, piz, dgecon_info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	778 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	779
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	780 if (dgecon_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	781 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	782 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	783
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	784 if (info == -1 && ! force)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	785 retval = *this; // Restore matrix contents.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	786 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	787 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	788 octave_idx_type dgetri_info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	789
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	790 F77_XFCN (sgetri, SGETRI, (nc, tmp_data, nr, pipvt,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	791 pz, lwork, dgetri_info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	792
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	793 if (dgetri_info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	794 info = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	795 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	796
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	797 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	798 mattype.mark_as_rectangular();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	799 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	800
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	801 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	802 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	803
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	804 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	805 FloatMatrix::inverse (MatrixType &mattype, octave_idx_type& info, float& rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	806 int force, int calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	807 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	808 int typ = mattype.type (false);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	809 FloatMatrix ret;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	810
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	811 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	812 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	813
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	814 if (typ == MatrixType::Upper \|\| typ == MatrixType::Lower)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	815 ret = tinverse (mattype, info, rcon, force, calc_cond);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	816 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	817 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	818 if (mattype.is_hermitian ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	819 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	820 FloatCHOL chol (*this, info, calc_cond);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	821 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	822 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	823 if (calc_cond)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	824 rcon = chol.rcond ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	825 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	826 rcon = 1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	827 ret = chol.inverse ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	828 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	829 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	830 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	831 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	832
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	833 if (!mattype.is_hermitian ())
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	834 ret = finverse(mattype, info, rcon, force, calc_cond);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	835
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	836 if ((mattype.is_hermitian () \|\| calc_cond) && rcon == 0.)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	837 ret = FloatMatrix (rows (), columns (), octave_Float_Inf);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	838 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	839
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	840 return ret;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	841 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	842
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	843 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	844 FloatMatrix::pseudo_inverse (float tol) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	845 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	846 FloatSVD result (*this, SVD::economy);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	847
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	848 FloatDiagMatrix S = result.singular_values ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	849 FloatMatrix U = result.left_singular_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	850 FloatMatrix V = result.right_singular_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	851
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	852 FloatColumnVector sigma = S.diag ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	853
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	854 octave_idx_type r = sigma.length () - 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	855 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	856 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	857
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	858 if (tol <= 0.0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	859 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	860 if (nr > nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	861 tol = nr * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	862 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	863 tol = nc * sigma.elem (0) * DBL_EPSILON;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	864 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	865
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	866 while (r >= 0 && sigma.elem (r) < tol)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	867 r--;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	868
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	869 if (r < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	870 return FloatMatrix (nc, nr, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	871 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	872 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	873 FloatMatrix Ur = U.extract (0, 0, nr-1, r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	874 FloatDiagMatrix D = FloatDiagMatrix (sigma.extract (0, r)) . inverse ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	875 FloatMatrix Vr = V.extract (0, 0, nc-1, r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	876 return Vr * D * Ur.transpose ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	877 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	878 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	879
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	880 #if defined (HAVE_FFTW)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	881
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	882 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	883 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	884 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	885 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	886 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	887
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	888 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	889
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	890 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	891
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	892 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	893 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	894 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	895 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	896 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	897 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	898 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	899 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	900 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	901 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	902
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	903 const float *in (fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	904 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	905
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	906 octave_fftw::fft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	907
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	908 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	909 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	910
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	911 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	912 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	913 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	914 size_t nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	915 size_t nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	916
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	917 FloatComplexMatrix retval (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	918
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	919 size_t npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	920
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	921 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	922 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	923 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	924 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	925 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	926 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	927 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	928 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	929 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	930 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	931
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	932 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	933 FloatComplex *in (tmp.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	934 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	935
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	936 octave_fftw::ifft (in, out, npts, nsamples);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	937
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	938 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	939 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	940
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	941 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	942 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	943 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	944 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	945
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	946 const float *in = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	947 FloatComplexMatrix retval (rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	948 octave_fftw::fftNd (in, retval.fortran_vec (), 2, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	949
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	950 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	951 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	952
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	953 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	954 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	955 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	956 dim_vector dv(rows (), cols ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	957
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	958 FloatComplexMatrix retval (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	959 FloatComplex *out (retval.fortran_vec ());
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	960
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	961 octave_fftw::ifftNd (out, out, 2, dv);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	962
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	963 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	964 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	965
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	966 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	967
9523 0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	968 extern "C"
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	969 {
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	970 // 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	971 // float 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	972 // implicit float 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	973 // each subroutine.
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	974
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	975 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	976 F77_FUNC (cffti, CFFTI) (const octave_idx_type&, FloatComplex*);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	977
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	978 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	979 F77_FUNC (cfftf, CFFTF) (const octave_idx_type&, FloatComplex, FloatComplex);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	980
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	981 F77_RET_T
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	982 F77_FUNC (cfftb, CFFTB) (const octave_idx_type&, FloatComplex, FloatComplex);
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	983 }
0ce82753dd72 more configure changes for libraries John W. Eaton <jwe@octave.org> parents: 9469 diff changeset	984
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	985 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	986 FloatMatrix::fourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	987 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	988 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	989
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	990 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	991 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	992
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	993 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	994
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	995 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	996 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	997 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	998 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	999 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1000 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1001 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1002 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1003 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1004 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1005
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1006 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1007
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1008 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1009 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1010
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1011 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1012 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1013
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1014 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1015
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1016 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1017 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1018 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1019
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1020 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1021 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1022
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1023 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1024 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1025
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1026 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1027 FloatMatrix::ifourier (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1028 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1029 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1030
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1031 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1032 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1033
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1034 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1035
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1036 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1037 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1038 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1039 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1040 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1041 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1042 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1043 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1044 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1045 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1046
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1047 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1048
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1049 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1050 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1051
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1052 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1053 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1054
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1055 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1056
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1057 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1058 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1059 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1060
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1061 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1062 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1063
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1064 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1065 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1066
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1067 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1068 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1069
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1070 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1071 FloatMatrix::fourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1072 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1073 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1074
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1075 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1076 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1077
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1078 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1079
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1080 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1081 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1082 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1083 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1084 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1085 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1086 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1087 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1088 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1089 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1090
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1091 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1092
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1093 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1094 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1095
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1096 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1097 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1098
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1099 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1100
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1101 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1102 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1103 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1104
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1105 F77_FUNC (cfftf, CFFTF) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1106 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1107
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1108 npts = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1109 nsamples = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1110 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1111
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1112 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1113 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1114
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1115 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1116 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1117
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1118 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1119
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1120 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1121 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1122 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1123
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1124 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1125 prow[i] = tmp_data[i*nr + j];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1126
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1127 F77_FUNC (cfftf, CFFTF) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1128
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1129 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1130 tmp_data[i*nr + j] = prow[i];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1131 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1132
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1133 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1134 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1135
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1136 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1137 FloatMatrix::ifourier2d (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1138 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1139 FloatComplexMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1140
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1141 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1142 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1143
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1144 octave_idx_type npts, nsamples;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1145
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1146 if (nr == 1 \|\| nc == 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1147 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1148 npts = nr > nc ? nr : nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1149 nsamples = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1150 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1151 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1152 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1153 npts = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1154 nsamples = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1155 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1156
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1157 octave_idx_type nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1158
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1159 Array<FloatComplex> wsave (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1160 FloatComplex *pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1161
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1162 retval = FloatComplexMatrix (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1163 FloatComplex *tmp_data = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1164
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1165 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1166
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1167 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1168 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1169 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1170
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1171 F77_FUNC (cfftb, CFFTB) (npts, &tmp_data[npts*j], pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1172 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1173
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1174 for (octave_idx_type j = 0; j < npts*nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1175 tmp_data[j] = tmp_data[j] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1176
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1177 npts = nc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1178 nsamples = nr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1179 nn = 4*npts+15;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1180
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1181 wsave.resize (nn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1182 pwsave = wsave.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1183
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1184 Array<FloatComplex> tmp (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1185 FloatComplex *prow = tmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1186
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1187 F77_FUNC (cffti, CFFTI) (npts, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1188
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1189 for (octave_idx_type j = 0; j < nsamples; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1190 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	1191 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1192
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1193 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1194 prow[i] = tmp_data[i*nr + j];
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1195
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1196 F77_FUNC (cfftb, CFFTB) (npts, prow, pwsave);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1197
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1198 for (octave_idx_type i = 0; i < npts; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1199 tmp_data[i*nr + j] = prow[i] / static_cast<float> (npts);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1200 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1201
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1202 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1203 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1204
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1205 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1206
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1207 FloatDET
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1208 FloatMatrix::determinant (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1209 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1210 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1211 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1212 return determinant (info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1213 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1214
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1215 FloatDET
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1216 FloatMatrix::determinant (octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1217 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1218 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1219 return determinant (info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1220 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1221
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1222 FloatDET
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1223 FloatMatrix::determinant (octave_idx_type& info, float& rcon, int calc_cond) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1224 {
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1225 MatrixType mattype (*this);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1226 return determinant (mattype, info, rcon, calc_cond);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1227 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1228
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1229 FloatDET
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1230 FloatMatrix::determinant (MatrixType& mattype,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1231 octave_idx_type& info, float& rcon, int calc_cond) const
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1232 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1233 FloatDET retval (1.0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1234
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1235 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1236 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1237
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1238 if (nr != nc)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1239 (*current_liboctave_error_handler) ("matrix must be square");
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1240 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1241 {
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8801 diff changeset	1242 volatile int typ = mattype.type ();
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1243
10213 f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	1244 // 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: 10158 diff changeset	1245 // 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: 10158 diff changeset	1246 // completes.
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	1247
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1248 if (typ == MatrixType::Unknown)
e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1249 typ = mattype.type (*this);
10213 f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	1250 else if (typ == MatrixType::Rectangular)
f7ba6cfe7fb7 fix det() after singular matrix is flagged Jaroslav Hajek <highegg@gmail.com> parents: 10158 diff changeset	1251 typ = MatrixType::Full;
8337 e02242c54c49 reuse matrix type detected in det Jaroslav Hajek <highegg@gmail.com> parents: 8336 diff changeset	1252
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1253 if (typ == MatrixType::Lower \|\| typ == MatrixType::Upper)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1254 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1255 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	1256 retval *= elem (i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1257 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1258 else if (typ == MatrixType::Hermitian)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1259 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1260 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1261 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1262
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1263 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1264 float anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1265 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1266
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1267
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1268 char job = 'L';
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1269 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1270 tmp_data, nr, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1271 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1272
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1273 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1274 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1275 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1276 mattype.mark_as_unsymmetric ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1277 typ = MatrixType::Full;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1278 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1279 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1280 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1281 Array<float> z (3 * nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1282 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1283 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1284 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1285
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1286 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1287 nr, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1288 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1289 F77_CHAR_ARG_LEN (1)));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1290
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1291 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1292 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1293
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1294 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	1295 retval *= atmp (i,i);
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1296
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1297 retval = retval.square ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1298 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1299 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1300 else if (typ != MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1301 (*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	1302
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1303 if (typ == MatrixType::Full)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1304 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1305 Array<octave_idx_type> ipvt (nr);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1306 octave_idx_type *pipvt = ipvt.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1307
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1308 FloatMatrix atmp = *this;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1309 float *tmp_data = atmp.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1310
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1311 info = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1312
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1313 // 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	1314 float anorm = 0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1315 if (calc_cond) anorm = xnorm (*this, 1);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1316
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1317 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1318
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1319 // 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	1320 rcon = 0.0;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1321 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1322 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1323 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1324 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1325 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1326 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1327 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1328 if (calc_cond)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1329 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1330 // 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	1331 char job = '1';
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1332 Array<float> z (4 * nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1333 float *pz = z.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1334 Array<octave_idx_type> iz (nc);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1335 octave_idx_type *piz = iz.fortran_vec ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1336
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1337 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1338 nc, tmp_data, nr, anorm,
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1339 rcon, pz, piz, info
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1340 F77_CHAR_ARG_LEN (1)));
8335 64cf956a109c templatize & fix DET Jaroslav Hajek <highegg@gmail.com> parents: 8211 diff changeset	1341 }
8336 9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1342
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1343 if (info != 0)
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1344 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1345 info = -1;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1346 retval = FloatDET ();
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1347 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1348 else
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1349 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1350 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	1351 {
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1352 float c = atmp(i,i);
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1353 retval *= (ipvt(i) != (i+1)) ? -c : c;
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1354 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1355 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1356 }
9813c07ca946 make det take advantage of matrix type Jaroslav Hajek <highegg@gmail.com> parents: 8335 diff changeset	1357 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1358 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1359
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1360 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1361 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1362
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1363 float
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1364 FloatMatrix::rcond (void) const
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1365 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1366 MatrixType mattype (*this);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1367 return rcond (mattype);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1368 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1369
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1370 float
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1371 FloatMatrix::rcond (MatrixType &mattype) const
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1372 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1373 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1374 octave_idx_type nr = rows ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1375 octave_idx_type nc = cols ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1376
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1377 if (nr != nc)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1378 (*current_liboctave_error_handler) ("matrix must be square");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1379 else if (nr == 0 \|\| nc == 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1380 rcon = octave_Inf;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1381 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1382 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1383 int typ = mattype.type ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1384
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1385 if (typ == MatrixType::Unknown)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1386 typ = mattype.type (*this);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1387
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1388 // Only calculate the condition number for LU/Cholesky
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1389 if (typ == MatrixType::Upper)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1390 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1391 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1392 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1393 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1394 char uplo = 'U';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1395 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1396
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1397 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1398 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1399 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1400 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1401
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1402 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1403 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1404 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1405 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1406 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1407 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1408 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1409 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1410
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1411 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1412 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1413 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1414 else if (typ == MatrixType::Permuted_Upper)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1415 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1416 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1417 else if (typ == MatrixType::Lower)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1418 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1419 const float *tmp_data = fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1420 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1421 char norm = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1422 char uplo = 'L';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1423 char dia = 'N';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1424
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1425 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1426 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1427 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1428 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1429
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1430 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1431 F77_CONST_CHAR_ARG2 (&uplo, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1432 F77_CONST_CHAR_ARG2 (&dia, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1433 nr, tmp_data, nr, rcon,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1434 pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1435 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1436 F77_CHAR_ARG_LEN (1)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1437 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1438
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1439 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1440 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1441 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1442 else if (typ == MatrixType::Permuted_Lower)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1443 (*current_liboctave_error_handler)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1444 ("permuted triangular matrix not implemented");
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1445 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1446 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1447 float anorm = -1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1448 FloatMatrix atmp = *this;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1449 float *tmp_data = atmp.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1450
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1451 if (typ == MatrixType::Hermitian)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1452 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1453 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1454 char job = 'L';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1455 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1456 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1457
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1458 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1459 tmp_data, nr, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1460 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1461
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1462 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1463 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1464 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1465 mattype.mark_as_unsymmetric ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1466 typ = MatrixType::Full;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1467 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1468 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1469 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1470 Array<float> z (3 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1471 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1472 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1473 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1474
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1475 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1476 nr, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1477 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1478 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1479
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1480 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1481 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1482 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1483 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1484
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1485 if (typ == MatrixType::Full)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1486 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1487 octave_idx_type info = 0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1488
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1489 Array<octave_idx_type> ipvt (nr);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1490 octave_idx_type *pipvt = ipvt.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1491
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1492 if(anorm < 0.)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1493 anorm = atmp.abs().sum().
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1494 row(static_cast<octave_idx_type>(0)).max();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1495
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1496 Array<float> z (4 * nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1497 float *pz = z.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1498 Array<octave_idx_type> iz (nc);
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1499 octave_idx_type *piz = iz.fortran_vec ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1500
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1501 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1502
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1503 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1504 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1505 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1506 mattype.mark_as_rectangular ();
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1507 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1508 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1509 {
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1510 char job = '1';
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1511 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1512 nc, tmp_data, nr, anorm,
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1513 rcon, pz, piz, info
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1514 F77_CHAR_ARG_LEN (1)));
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1515
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1516 if (info != 0)
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1517 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1518 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1519 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1520 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1521 else
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1522 rcon = 0.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1523 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1524
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1525 return rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1526 }
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1527
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1528 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1529 FloatMatrix::utsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1530 float& rcon, solve_singularity_handler sing_handler,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1531 bool calc_cond, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1532 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1533 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1534
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1535 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1536 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1537
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1538 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1539 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1540 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1541 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1542 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1543 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1544 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1545 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1546
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1547 if (typ == MatrixType::Permuted_Upper \|\|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1548 typ == MatrixType::Upper)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1549 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1550 octave_idx_type b_nc = b.cols ();
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1551 rcon = 1.;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1552 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1553
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1554 if (typ == MatrixType::Permuted_Upper)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1555 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1556 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1557 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1558 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1559 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1560 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1561 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1562
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1563 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1564 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1565 char norm = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1566 char uplo = 'U';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1567 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1568
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1569 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1570 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1571 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1572 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1573
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1574 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1575 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1576 F77_CONST_CHAR_ARG2 (&dia, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1577 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1578 pz, piz, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1579 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1580 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1581 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1582
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1583 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1584 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1585
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1586 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1587
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1588 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1589 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1590 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1591
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1592 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1593 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1594 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1595 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1596 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1597 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1598 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1599 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1600
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1601 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1602 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1603 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1604 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1605
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1606 char uplo = 'U';
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1607 char trans = get_blas_char (transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1608 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1609
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1610 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1611 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1612 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1613 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1614 result, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1615 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1616 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1617 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1618 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1619 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1620 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1621 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1622 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1623 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1624
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1625 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1626 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1627
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1628 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1629 FloatMatrix::ltsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1630 float& rcon, solve_singularity_handler sing_handler,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1631 bool calc_cond, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1632 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1633 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1634
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1635 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1636 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1637
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1638 if (nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1639 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1640 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1641 else if (nr == 0 \|\| nc == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1642 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1643 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1644 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1645 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1646
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1647 if (typ == MatrixType::Permuted_Lower \|\|
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1648 typ == MatrixType::Lower)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1649 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1650 octave_idx_type b_nc = b.cols ();
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1651 rcon = 1.;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1652 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1653
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1654 if (typ == MatrixType::Permuted_Lower)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1655 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1656 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1657 ("permuted triangular matrix not implemented");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1658 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1659 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1660 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1661 const float *tmp_data = fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1662
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1663 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1664 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1665 char norm = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1666 char uplo = 'L';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1667 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1668
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1669 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1670 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1671 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1672 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1673
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1674 F77_XFCN (strcon, STRCON, (F77_CONST_CHAR_ARG2 (&norm, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1675 F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1676 F77_CONST_CHAR_ARG2 (&dia, 1),
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1677 nr, tmp_data, nr, rcon,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1678 pz, piz, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1679 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1680 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1681 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1682
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1683 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1684 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1685
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1686 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1687
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1688 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1689 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1690 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1691
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1692 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1693 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1694 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1695 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1696 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1697 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1698 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1699 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1700
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1701 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1702 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1703 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1704 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1705
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1706 char uplo = 'L';
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1707 char trans = get_blas_char (transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1708 char dia = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1709
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1710 F77_XFCN (strtrs, STRTRS, (F77_CONST_CHAR_ARG2 (&uplo, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1711 F77_CONST_CHAR_ARG2 (&trans, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1712 F77_CONST_CHAR_ARG2 (&dia, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1713 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1714 result, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1715 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1716 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1717 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1718 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1719 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1720 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1721 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1722 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1723 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1724
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1725 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1726 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1728 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1729 FloatMatrix::fsolve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1730 float& rcon, solve_singularity_handler sing_handler,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1731 bool calc_cond) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1732 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1733 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1734
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1735 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1736 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1737
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1738 if (nr != nc \|\| nr != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1739 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1740 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1741 else if (nr == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1742 retval = FloatMatrix (nc, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1743 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1744 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1745 volatile int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1746
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1747 // Calculate the norm of the matrix, for later use.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1748 float anorm = -1.;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1749
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1750 if (typ == MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1751 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1752 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1753 char job = 'L';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1754 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1755 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1756 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1757
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1758 F77_XFCN (spotrf, SPOTRF, (F77_CONST_CHAR_ARG2 (&job, 1), nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1759 tmp_data, nr, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1760 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1761
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1762 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1763 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1764 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1765 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1766 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1767
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1768 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1769 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1770 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1771 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1772 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1773 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1774 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1775 Array<float> z (3 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1776 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1777 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1778 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1779
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1780 F77_XFCN (spocon, SPOCON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1781 nr, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1782 rcon, pz, piz, info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1783 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1784
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1785 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1786 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1787
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1788 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1789
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1790 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1791 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1792 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1793
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1794 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1795 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1796 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1797 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1798 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1799 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1800 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1801 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1802
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1803 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1804 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1805 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1806 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1807
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1808 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1809
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1810 F77_XFCN (spotrs, SPOTRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1811 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1812 result, b.rows(), info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1813 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1814 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1815 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1816 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1817 mattype.mark_as_unsymmetric ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1818 typ = MatrixType::Full;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1819 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1820 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1821 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1822
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1823 if (typ == MatrixType::Full)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1824 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1825 info = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1826
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1827 Array<octave_idx_type> ipvt (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1828 octave_idx_type *pipvt = ipvt.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1829
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1830 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1831 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1832 if(anorm < 0.)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1833 anorm = atmp.abs().sum().row(static_cast<octave_idx_type>(0)).max();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1834
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1835 Array<float> z (4 * nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1836 float *pz = z.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1837 Array<octave_idx_type> iz (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1838 octave_idx_type *piz = iz.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1839
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1840 F77_XFCN (sgetrf, SGETRF, (nr, nr, tmp_data, nr, pipvt, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1841
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1842 // Throw-away extra info LAPACK gives so as to not change output.
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1843 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1844 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1845 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1846 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1847
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1848 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1849 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1850 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1851 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1852 ("matrix singular to machine precision");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1853
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1854 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1855 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1856 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1857 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1858 if (calc_cond)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1859 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1860 // Now calculate the condition number for
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1861 // non-singular matrix.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1862 char job = '1';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1863 F77_XFCN (sgecon, SGECON, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1864 nc, tmp_data, nr, anorm,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1865 rcon, pz, piz, info
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1866 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1867
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1868 if (info != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1869 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1870
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1871 volatile float rcond_plus_one = rcon + 1.0;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1872
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1873 if (rcond_plus_one == 1.0 \|\| xisnan (rcon))
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1874 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1875 info = -2;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1876
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1877 if (sing_handler)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1878 sing_handler (rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1879 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1880 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1881 ("matrix singular to machine precision, rcond = %g",
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1882 rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1883 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1884 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1885
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1886 if (info == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1887 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1888 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1889 float *result = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1890
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1891 octave_idx_type b_nc = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1892
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1893 char job = 'N';
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1894 F77_XFCN (sgetrs, SGETRS, (F77_CONST_CHAR_ARG2 (&job, 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1895 nr, b_nc, tmp_data, nr,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1896 pipvt, result, b.rows(), info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1897 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1898 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1899 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1900 mattype.mark_as_rectangular ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1901 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1902 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1903 else if (typ != MatrixType::Hermitian)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1904 (*current_liboctave_error_handler) ("incorrect matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1905 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1906
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1907 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1908 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1909
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1910 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1911 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1912 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1913 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1914 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1915 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1916 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1917
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1918 FloatMatrix
9662 0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1919 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info) const
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1920 {
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1921 float rcon;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1922 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1923 }
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1924
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1925 FloatMatrix
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1926 FloatMatrix::solve (MatrixType &typ, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1927 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1928 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1929 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1930 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1931
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1932 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1933 FloatMatrix::solve (MatrixType &mattype, const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1934 float& rcon, solve_singularity_handler sing_handler,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1935 bool singular_fallback, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1936 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1937 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1938 int typ = mattype.type ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1939
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1940 if (typ == MatrixType::Unknown)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1941 typ = mattype.type (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1942
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1943 // Only calculate the condition number for LU/Cholesky
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1944 if (typ == MatrixType::Upper \|\| typ == MatrixType::Permuted_Upper)
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1945 retval = utsolve (mattype, b, info, rcon, sing_handler, false, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1946 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	1947 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	1948 else if (transt == blas_trans \|\| transt == blas_conj_trans)
afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	1949 return transpose ().solve (mattype, b, info, rcon, sing_handler, singular_fallback);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1950 else if (typ == MatrixType::Full \|\| typ == MatrixType::Hermitian)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1951 retval = fsolve (mattype, b, info, rcon, sing_handler, true);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1952 else if (typ != MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1953 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1954 (*current_liboctave_error_handler) ("unknown matrix type");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1955 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1956 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1957
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1958 // Rectangular or one of the above solvers flags a singular matrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1959 if (singular_fallback && mattype.type () == MatrixType::Rectangular)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1960 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1961 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1962 retval = lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1963 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1964
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1965 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1966 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1967
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1968 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1969 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1970 {
9662 0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1971 octave_idx_type info;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1972 float rcon;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1973 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1974 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1975
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1976 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1977 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1978 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1979 {
9662 0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1980 float rcon;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1981 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1982 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1983
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1984 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1985 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	1986 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	1987 {
9662 0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1988 return solve (typ, b, info, rcon, 0);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1989 }
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1990
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1991 static FloatMatrix
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1992 stack_complex_matrix (const FloatComplexMatrix& cm)
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1993 {
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1994 octave_idx_type m = cm.rows (), n = cm.cols (), nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1995 FloatMatrix retval (m, 2*n);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1996 const FloatComplex *cmd = cm.data ();
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1997 float *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1998 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	1999 {
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2000 rd[i] = std::real (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2001 rd[nel+i] = std::imag (cmd[i]);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2002 }
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2003 return retval;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2004 }
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2005
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2006 static FloatComplexMatrix
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2007 unstack_complex_matrix (const FloatMatrix& sm)
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2008 {
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2009 octave_idx_type m = sm.rows (), n = sm.cols () / 2, nel = m*n;
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2010 FloatComplexMatrix retval (m, n);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2011 const float *smd = sm.data ();
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2012 FloatComplex *rd = retval.fortran_vec ();
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2013 for (octave_idx_type i = 0; i < nel; i++)
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2014 rd[i] = FloatComplex (smd[i], smd[nel+i]);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2015 return retval;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2016 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2017
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2018 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2019 FloatMatrix::solve (MatrixType &typ, const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2020 float& rcon, solve_singularity_handler sing_handler,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2021 bool singular_fallback, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2022 {
9662 0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2023 FloatMatrix tmp = stack_complex_matrix (b);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2024 tmp = solve (typ, tmp, info, rcon, sing_handler, singular_fallback, transt);
0d3b248f4ab6 further improve mixed real-complex division Jaroslav Hajek <highegg@gmail.com> parents: 9661 diff changeset	2025 return unstack_complex_matrix (tmp);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2026 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2027
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2028 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2029 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2030 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2031 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2032 return solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2033 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2034
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2035 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2036 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2037 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2038 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2039 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2040 return solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2041 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2042
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2043 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2044 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2045 float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2046 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2047 return solve (typ, b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2048 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2049
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2050 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2051 FloatMatrix::solve (MatrixType &typ, const FloatColumnVector& b, octave_idx_type& info,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2052 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2053 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2054 FloatMatrix tmp (b);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2055 return solve (typ, tmp, info, rcon, sing_handler, transt).column(static_cast<octave_idx_type> (0));
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2056 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2057
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2058 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2059 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2060 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2061 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2062 return tmp.solve (typ, b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2063 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2064
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2065 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2066 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2067 octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2068 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2069 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2070 return tmp.solve (typ, b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2071 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2072
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2073 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2074 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2075 octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2076 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2077 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2078 return tmp.solve (typ, b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2079 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2080
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2081 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2082 FloatMatrix::solve (MatrixType &typ, const FloatComplexColumnVector& b,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2083 octave_idx_type& info, float& rcon,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2084 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2085 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2086 FloatComplexMatrix tmp (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2087 return tmp.solve(typ, b, info, rcon, sing_handler, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2088 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2089
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2090 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2091 FloatMatrix::solve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2092 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2093 octave_idx_type info;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2094 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2095 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2096 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2097
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2098 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2099 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2100 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2101 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2102 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2103 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2104
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2105 FloatMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2106 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2107 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2108 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2109 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2110
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2111 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2112 FloatMatrix::solve (const FloatMatrix& b, octave_idx_type& info,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2113 float& rcon, solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2114 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2115 MatrixType mattype (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2116 return solve (mattype, b, info, rcon, sing_handler, true, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2117 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2118
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2119 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2120 FloatMatrix::solve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2121 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2122 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2123 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2124 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2125
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2126 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2127 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2128 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2129 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2130 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2131 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2132
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2133 FloatComplexMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2134 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2135 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2136 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2137 return tmp.solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2138 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2139
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2140 FloatComplexMatrix
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2141 FloatMatrix::solve (const FloatComplexMatrix& b, octave_idx_type& info, float& rcon,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2142 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2143 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2144 FloatComplexMatrix tmp (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2145 return tmp.solve (b, info, rcon, sing_handler, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2146 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2147
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2148 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2149 FloatMatrix::solve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2150 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2151 octave_idx_type info; float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2152 return solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2153 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2154
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2155 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2156 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2157 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2158 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2159 return solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2160 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2161
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2162 FloatColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2163 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2164 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2165 return solve (b, info, rcon, 0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2166 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2167
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2168 FloatColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2169 FloatMatrix::solve (const FloatColumnVector& b, octave_idx_type& info, float& rcon,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2170 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2171 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2172 MatrixType mattype (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2173 return solve (mattype, b, info, rcon, sing_handler, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2174 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2175
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2176 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2177 FloatMatrix::solve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2178 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2179 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2180 return tmp.solve (b);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2181 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2182
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2183 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2184 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2185 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2186 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2187 return tmp.solve (b, info);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2188 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2189
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2190 FloatComplexColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2191 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2192 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2193 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2194 return tmp.solve (b, info, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2195 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2196
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2197 FloatComplexColumnVector
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2198 FloatMatrix::solve (const FloatComplexColumnVector& b, octave_idx_type& info, float& rcon,
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2199 solve_singularity_handler sing_handler, blas_trans_type transt) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2200 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2201 FloatComplexMatrix tmp (*this);
9661 afcf852256d2 optimize / and '\ for triangular matrices Jaroslav Hajek <highegg@gmail.com> parents: 9658 diff changeset	2202 return tmp.solve (b, info, rcon, sing_handler, transt);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2203 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2204
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2205 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2206 FloatMatrix::lssolve (const FloatMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2207 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2208 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2209 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2210 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2211 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2212 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2213
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2214 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2215 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2216 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2217 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2218 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2219 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2220 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2221
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2222 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2223 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2224 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2225 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2226 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2227 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2228 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2229
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2230 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2231 FloatMatrix::lssolve (const FloatMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2232 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2233 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2234 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2235
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2236 octave_idx_type nrhs = b.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2237
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2238 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2239 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2240
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2241 if (m != b.rows ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2242 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2243 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2244 else if (m == 0 \|\| n == 0 \|\| b.cols () == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2245 retval = FloatMatrix (n, b.cols (), 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2246 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2247 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2248 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2249 octave_idx_type maxmn = m > n ? m : n;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2250 rcon = -1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2251 if (m != n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2252 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2253 retval = FloatMatrix (maxmn, nrhs, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2254
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2255 for (octave_idx_type j = 0; j < nrhs; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2256 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2257 retval.elem (i, j) = b.elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2258 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2259 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2260 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2261
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2262 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2263 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2264
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2265 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2266 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2267 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2268
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2269 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2270 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2271
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2272 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2273
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2274 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2275 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2276 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2277 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2278 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2279 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2280
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2281 octave_idx_type mnthr;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2282 F77_FUNC (xilaenv, XILAENV) (6, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2283 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2284 m, n, nrhs, -1, mnthr
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2285 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2286 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2287
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2288 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2289 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2290 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2291 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2292 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2293 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2294 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2295 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2296 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2297 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2298 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2299 nlvl = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2300
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2301 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2302 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2303 liwork = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2304 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2305 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2306
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2307 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2308 ps, rcon, rank, work.fortran_vec (),
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2309 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2310
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2311 // The workspace query is broken in at least LAPACK 3.0.0
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2312 // through 3.1.1 when n >= mnthr. The obtuse formula below
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2313 // should provide sufficient workspace for DGELSD to operate
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2314 // efficiently.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2315 if (n >= mnthr)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2316 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2317 const octave_idx_type wlalsd
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2318 = 9m + 2msmlsiz + 8mnlvl + mnrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2319
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2320 octave_idx_type addend = m;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2321
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2322 if (2*m-4 > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2323 addend = 2*m-4;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2324
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2325 if (nrhs > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2326 addend = nrhs;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2327
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2328 if (n-3*m > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2329 addend = n-3*m;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2330
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2331 if (wlalsd > addend)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2332 addend = wlalsd;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2333
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2334 const octave_idx_type lworkaround = 4m + mm + addend;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2335
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2336 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2337 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2338 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2339 else if (m >= n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2340 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2341 octave_idx_type lworkaround
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2342 = 12n + 2nsmlsiz + 8nnlvl + nnrhs + (smlsiz+1)*(smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2343
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2344 if (work(0) < lworkaround)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2345 work(0) = lworkaround;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2346 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2347
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2348 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2349 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2350
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2351 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2352 maxmn, ps, rcon, rank,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2353 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2354 piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2355
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2356 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2357 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2358 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2359 if (s.elem (0) == 0.0)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2360 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2361 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2362 rcon = s.elem (minmn - 1) / s.elem (0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2363
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2364 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2365 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2366
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2367 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2368 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2369
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2370 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2371 FloatMatrix::lssolve (const FloatComplexMatrix& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2372 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2373 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2374 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2375 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2376 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2377 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2378 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2379
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2380 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2381 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2382 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2383 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2384 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2385 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2386 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2387 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2388
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2389 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2390 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2391 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2392 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2393 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2394 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2395 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2396 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2397
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2398 FloatComplexMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2399 FloatMatrix::lssolve (const FloatComplexMatrix& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2400 octave_idx_type& rank, float& rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2401 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2402 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2403 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2404 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2405
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2406 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2407 FloatMatrix::lssolve (const FloatColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2408 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2409 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2410 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2411 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2412 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2413 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2414
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2415 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2416 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2417 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2418 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2419 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2420 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2421 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2422
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2423 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2424 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2425 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2426 {
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2427 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2428 return lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2429 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2430
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2431 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2432 FloatMatrix::lssolve (const FloatColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2433 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2434 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2435 FloatColumnVector retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2436
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2437 octave_idx_type nrhs = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2438
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2439 octave_idx_type m = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2440 octave_idx_type n = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2441
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2442 if (m != b.length ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2443 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2444 ("matrix dimension mismatch solution of linear equations");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2445 else if (m == 0 \|\| n == 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2446 retval = FloatColumnVector (n, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2447 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2448 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2449 volatile octave_idx_type minmn = (m < n ? m : n);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2450 octave_idx_type maxmn = m > n ? m : n;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2451 rcon = -1.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2452
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2453 if (m != n)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2454 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2455 retval = FloatColumnVector (maxmn, 0.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2456
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2457 for (octave_idx_type i = 0; i < m; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2458 retval.elem (i) = b.elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2459 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2460 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2461 retval = b;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2462
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2463 FloatMatrix atmp = *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2464 float *tmp_data = atmp.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2465
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2466 float *pretval = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2467 Array<float> s (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2468 float *ps = s.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2469
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2470 // Ask DGELSD what the dimension of WORK should be.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2471 octave_idx_type lwork = -1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2472
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2473 Array<float> work (1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2474
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2475 octave_idx_type smlsiz;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2476 F77_FUNC (xilaenv, XILAENV) (9, F77_CONST_CHAR_ARG2 ("SGELSD", 6),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2477 F77_CONST_CHAR_ARG2 (" ", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2478 0, 0, 0, 0, smlsiz
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2479 F77_CHAR_ARG_LEN (6)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2480 F77_CHAR_ARG_LEN (1));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2481
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2482 // We compute the size of iwork because DGELSD in older versions
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2483 // of LAPACK does not return it on a query call.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2484 float dminmn = static_cast<float> (minmn);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2485 float dsmlsizp1 = static_cast<float> (smlsiz+1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2486 #if defined (HAVE_LOG2)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2487 float tmp = log2 (dminmn / dsmlsizp1);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2488 #else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2489 float tmp = log (dminmn / dsmlsizp1) / log (2.0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2490 #endif
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2491 octave_idx_type nlvl = static_cast<octave_idx_type> (tmp) + 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2492 if (nlvl < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2493 nlvl = 0;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2494
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2495 octave_idx_type liwork = 3 * minmn * nlvl + 11 * minmn;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2496 if (liwork < 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2497 liwork = 1;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2498 Array<octave_idx_type> iwork (liwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2499 octave_idx_type* piwork = iwork.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2500
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2501 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval, maxmn,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2502 ps, rcon, rank, work.fortran_vec (),
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2503 lwork, piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2504
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2505 lwork = static_cast<octave_idx_type> (work(0));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2506 work.resize (lwork);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2507
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2508 F77_XFCN (sgelsd, SGELSD, (m, n, nrhs, tmp_data, m, pretval,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2509 maxmn, ps, rcon, rank,
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2510 work.fortran_vec (), lwork,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2511 piwork, info));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2512
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2513 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2514 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2515 if (rank < minmn)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2516 (*current_liboctave_warning_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2517 ("dgelsd: rank deficient %dx%d matrix, rank = %d", m, n, rank);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2518 if (s.elem (0) == 0.0)
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2519 rcon = 0.0;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2520 else
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2521 rcon = s.elem (minmn - 1) / s.elem (0);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2522 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2523
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2524 retval.resize (n, nrhs);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2525 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2526
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2527 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2528 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2529
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2530 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2531 FloatMatrix::lssolve (const FloatComplexColumnVector& b) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2532 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2533 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2534 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2535 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2536 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2537 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2538 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2539
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2540 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2541 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2542 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2543 FloatComplexMatrix tmp (*this);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2544 octave_idx_type rank;
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2545 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2546 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2547 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2548
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2549 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2550 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2551 octave_idx_type& rank) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2552 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2553 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2554 float rcon;
f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2555 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2556 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2557
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2558 FloatComplexColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2559 FloatMatrix::lssolve (const FloatComplexColumnVector& b, octave_idx_type& info,
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2560 octave_idx_type& rank, float &rcon) const
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2561 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2562 FloatComplexMatrix tmp (*this);
7797 f42c6f8d6d8e Extend rcond function to single precision types David Bateman <dbateman@free.fr> parents: 7789 diff changeset	2563 return tmp.lssolve (b, info, rank, rcon);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2564 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2565
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2566 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2567 FloatMatrix::operator += (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2568 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2569 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2570 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2571
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2572 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2573 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2574
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2575 if (nr != a_nr \|\| nc != a_nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2576 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2577 gripe_nonconformant ("operator +=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2578 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2579 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2580
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2581 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2582 elem (i, i) += a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2583
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2584 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2585 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2586
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2587 FloatMatrix&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2588 FloatMatrix::operator -= (const FloatDiagMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2589 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2590 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2591 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2592
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2593 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2594 octave_idx_type a_nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2595
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2596 if (nr != a_nr \|\| nc != a_nc)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2597 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2598 gripe_nonconformant ("operator -=", nr, nc, a_nr, a_nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2599 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2600 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2601
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2602 for (octave_idx_type i = 0; i < a.length (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2603 elem (i, i) -= a.elem (i, i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2604
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2605 return *this;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2606 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2607
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2608 // unary operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2609
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2610 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2611 FloatMatrix::operator ! (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2612 {
9553 0c72d9284087 further bool ops tweaks Jaroslav Hajek <highegg@gmail.com> parents: 9551 diff changeset	2613 return do_mx_unary_op<boolMatrix, FloatMatrix> (*this, mx_inline_not);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2614 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2615
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2616 // column vector by row vector -> matrix operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2617
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2618 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2619 operator * (const FloatColumnVector& v, const FloatRowVector& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2620 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2621 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2622
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2623 octave_idx_type len = v.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2624
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2625 if (len != 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2626 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2627 octave_idx_type a_len = a.length ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2628
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	2629 retval = FloatMatrix (len, a_len);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2630 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2631
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2632 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2633 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2634 len, a_len, 1, 1.0, v.data (), len,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2635 a.data (), 1, 0.0, c, len
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2636 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2637 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2638 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2639
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2640 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2641 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2642
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2643 // other operations.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2644
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2645 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2646 FloatMatrix::any_element_is_negative (bool neg_zero) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2647 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2648 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2649
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2650 if (neg_zero)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2651 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2652 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2653 if (lo_ieee_signbit (elem (i)))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2654 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2655 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2656 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2657 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2658 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2659 if (elem (i) < 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2660 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2661 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2662
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2663 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2664 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2665
7922 935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2666 bool
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2667 FloatMatrix::any_element_is_nan (void) const
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2668 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2669 octave_idx_type nel = nelem ();
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2670
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2671 for (octave_idx_type i = 0; i < nel; i++)
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2672 {
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2673 float val = elem (i);
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2674 if (xisnan (val))
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2675 return true;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2676 }
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2677
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2678 return false;
935be827eaf8 error for NaN values in & and \| expressions John W. Eaton <jwe@octave.org> parents: 7804 diff changeset	2679 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2680
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2681 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2682 FloatMatrix::any_element_is_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2683 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2684 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2685
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2686 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2687 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2688 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2689 if (xisinf (val) \|\| xisnan (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2690 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2691 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2692
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2693 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2694 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2695
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2696 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2697 FloatMatrix::any_element_not_one_or_zero (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2698 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2699 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2700
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2701 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2702 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2703 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2704 if (val != 0 && val != 1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2705 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2706 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2707
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2708 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2709 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2710
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2711 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2712 FloatMatrix::all_elements_are_int_or_inf_or_nan (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2713 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2714 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2715
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2716 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2717 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2718 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2719 if (xisnan (val) \|\| D_NINT (val) == val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2720 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2721 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2722 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2723 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2724
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2725 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2726 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2727
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2728 // Return nonzero if any element of M is not an integer. Also extract
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2729 // the largest and smallest values and return them in MAX_VAL and MIN_VAL.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2730
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2731 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2732 FloatMatrix::all_integers (float& max_val, float& min_val) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2733 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2734 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2735
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2736 if (nel > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2737 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2738 max_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2739 min_val = elem (0);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2740 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2741 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2742 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2743
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2744 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2745 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2746 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2747
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2748 if (val > max_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2749 max_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2750
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2751 if (val < min_val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2752 min_val = val;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2753
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2754 if (D_NINT (val) != val)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2755 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2756 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2757
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2758 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2759 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2760
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2761 bool
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2762 FloatMatrix::too_large_for_float (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2763 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2764 octave_idx_type nel = nelem ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2765
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2766 for (octave_idx_type i = 0; i < nel; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2767 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2768 float val = elem (i);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2769
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2770 if (! (xisnan (val) \|\| xisinf (val))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2771 && fabs (val) > FLT_MAX)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2772 return true;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2773 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2774
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2775 return false;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2776 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2777
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2778 // FIXME Do these really belong here? Maybe they should be
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2779 // in a base class?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2780
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2781 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2782 FloatMatrix::all (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2783 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2784 return do_mx_red_op<boolMatrix, float> (*this, dim, mx_inline_all);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2785 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2786
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2787 boolMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2788 FloatMatrix::any (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2789 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2790 return do_mx_red_op<boolMatrix, float> (*this, dim, mx_inline_any);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2791 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2792
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2793 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2794 FloatMatrix::cumprod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2795 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2796 return do_mx_cum_op<FloatMatrix, float> (*this, dim, mx_inline_cumprod);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2797 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2798
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2799 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2800 FloatMatrix::cumsum (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2801 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2802 return do_mx_cum_op<FloatMatrix, float> (*this, dim, mx_inline_cumsum);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2803 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2804
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2805 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2806 FloatMatrix::prod (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2807 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2808 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_prod);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2809 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2810
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2811 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2812 FloatMatrix::sum (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2813 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2814 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_sum);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2815 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2816
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2817 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2818 FloatMatrix::sumsq (int dim) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2819 {
9227 8145f2255276 use explicit template qualifs to please Intel C++ and MSVC++ Jaroslav Hajek <highegg@gmail.com> parents: 8999 diff changeset	2820 return do_mx_red_op<FloatMatrix, float> (*this, dim, mx_inline_sumsq);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2821 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2822
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2823 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2824 FloatMatrix::abs (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2825 {
8650 a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	2826 return FloatMatrix (mx_inline_fabs_dup (data (), length ()),
a1ae2aae903e abs,real,imag,conj: use code from mx-inlines rather than the generic map Jaroslav Hajek <highegg@gmail.com> parents: 8614 diff changeset	2827 rows (), cols ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2828 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2829
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2830 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2831 FloatMatrix::diag (octave_idx_type k) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2832 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2833 return MArray2<float>::diag (k);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2834 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2835
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2836 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2837 FloatMatrix::row_min (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2838 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2839 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2840 return row_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2841 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2842
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2843 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2844 FloatMatrix::row_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2845 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2846 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2847
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2848 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2849 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2850
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2851 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2852 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2853 result.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2854 idx_arg.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2855
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2856 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2857 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2858 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2859
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2860 float tmp_min = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2861
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2862 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2863 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2864 tmp_min = elem (i, idx_j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2865
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2866 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2867 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2868 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2869
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2870 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2871 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2872 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2873
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2874 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2875 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2876 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2877 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2878 idx_j = j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2879 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2880 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2881 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2882
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2883 result.elem (i) = tmp_min;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2884 idx_arg.elem (i) = xisnan (tmp_min) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2885 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2886 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2887
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2888 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2889 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2890
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2891 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2892 FloatMatrix::row_max (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2893 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2894 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2895 return row_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2896 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2897
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2898 FloatColumnVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2899 FloatMatrix::row_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2900 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2901 FloatColumnVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2902
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2903 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2904 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2905
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2906 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2907 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2908 result.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2909 idx_arg.resize (nr);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2910
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2911 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2912 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2913 octave_idx_type idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2914
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2915 float tmp_max = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2916
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2917 for (idx_j = 0; idx_j < nc; idx_j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2918 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2919 tmp_max = elem (i, idx_j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2920
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2921 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2922 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2923 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2924
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2925 for (octave_idx_type j = idx_j+1; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2926 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2927 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2928
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2929 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2930 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2931 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2932 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2933 idx_j = j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2934 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2935 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2936 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2937
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2938 result.elem (i) = tmp_max;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2939 idx_arg.elem (i) = xisnan (tmp_max) ? 0 : idx_j;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2940 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2941 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2942
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2943 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2944 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2945
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2946 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2947 FloatMatrix::column_min (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2948 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2949 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2950 return column_min (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2951 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2952
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2953 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2954 FloatMatrix::column_min (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2955 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2956 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2957
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2958 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2959 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2960
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2961 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2962 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2963 result.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2964 idx_arg.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2965
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2966 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2967 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2968 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2969
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2970 float tmp_min = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2971
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2972 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2973 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2974 tmp_min = elem (idx_i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2975
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2976 if (! xisnan (tmp_min))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2977 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2978 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2979
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2980 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2981 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2982 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2983
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2984 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2985 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2986 else if (tmp < tmp_min)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2987 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2988 idx_i = i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2989 tmp_min = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2990 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2991 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2992
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2993 result.elem (j) = tmp_min;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2994 idx_arg.elem (j) = xisnan (tmp_min) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2995 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2996 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2997
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2998 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	2999 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3000
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3001 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3002 FloatMatrix::column_max (void) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3003 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3004 Array<octave_idx_type> dummy_idx;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3005 return column_max (dummy_idx);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3006 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3007
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3008 FloatRowVector
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3009 FloatMatrix::column_max (Array<octave_idx_type>& idx_arg) const
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3010 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3011 FloatRowVector result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3012
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3013 octave_idx_type nr = rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3014 octave_idx_type nc = cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3015
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3016 if (nr > 0 && nc > 0)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3017 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3018 result.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3019 idx_arg.resize (nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3020
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3021 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3022 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3023 octave_idx_type idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3024
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3025 float tmp_max = octave_Float_NaN;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3026
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3027 for (idx_i = 0; idx_i < nr; idx_i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3028 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3029 tmp_max = elem (idx_i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3030
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3031 if (! xisnan (tmp_max))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3032 break;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3033 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3034
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3035 for (octave_idx_type i = idx_i+1; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3036 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3037 float tmp = elem (i, j);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3038
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3039 if (xisnan (tmp))
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3040 continue;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3041 else if (tmp > tmp_max)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3042 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3043 idx_i = i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3044 tmp_max = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3045 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3046 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3047
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3048 result.elem (j) = tmp_max;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3049 idx_arg.elem (j) = xisnan (tmp_max) ? 0 : idx_i;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3050 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3051 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3052
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3053 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3054 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3055
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3056 std::ostream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3057 operator << (std::ostream& os, const FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3058 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3059 for (octave_idx_type i = 0; i < a.rows (); i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3060 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3061 for (octave_idx_type j = 0; j < a.cols (); j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3062 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3063 os << " ";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3064 octave_write_float (os, a.elem (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3065 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3066 os << "\n";
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3067 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3068 return os;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3069 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3070
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3071 std::istream&
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3072 operator >> (std::istream& is, FloatMatrix& a)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3073 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3074 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3075 octave_idx_type nc = a.cols ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3076
8999 dc07bc4157b8 allow empty matrices in stream input operators Jaroslav Hajek <highegg@gmail.com> parents: 8956 diff changeset	3077 if (nr > 0 && nc > 0)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3078 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3079 float tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3080 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3081 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3082 {
9469 c6edba80dfae sanity checks for loading sparse matrices John W. Eaton <jwe@octave.org> parents: 9359 diff changeset	3083 tmp = octave_read_value<float> (is);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3084 if (is)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3085 a.elem (i, j) = tmp;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3086 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3087 goto done;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3088 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3089 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3090
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3091 done:
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3092
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3093 return is;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3094 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3095
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3096 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3097 Givens (float x, float y)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3098 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3099 float cc, s, temp_r;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3100
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3101 F77_FUNC (slartg, SLARTG) (x, y, cc, s, temp_r);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3102
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3103 FloatMatrix g (2, 2);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3104
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3105 g.elem (0, 0) = cc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3106 g.elem (1, 1) = cc;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3107 g.elem (0, 1) = s;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3108 g.elem (1, 0) = -s;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3109
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3110 return g;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3111 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3112
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3113 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3114 Sylvester (const FloatMatrix& a, const FloatMatrix& b, const FloatMatrix& c)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3115 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3116 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3117
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3118 // FIXME -- need to check that a, b, and c are all the same
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3119 // size.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3120
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3121 // Compute Schur decompositions.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3122
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3123 FloatSCHUR as (a, "U");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3124 FloatSCHUR bs (b, "U");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3125
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3126 // Transform c to new coordinates.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3127
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3128 FloatMatrix ua = as.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3129 FloatMatrix sch_a = as.schur_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3130
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3131 FloatMatrix ub = bs.unitary_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3132 FloatMatrix sch_b = bs.schur_matrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3133
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3134 FloatMatrix cx = ua.transpose () * c * ub;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3135
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3136 // Solve the sylvester equation, back-transform, and return the
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3137 // solution.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3138
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3139 octave_idx_type a_nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3140 octave_idx_type b_nr = b.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3141
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3142 float scale;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3143 octave_idx_type info;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3144
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3145 float *pa = sch_a.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3146 float *pb = sch_b.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3147 float *px = cx.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3148
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3149 F77_XFCN (strsyl, STRSYL, (F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3150 F77_CONST_CHAR_ARG2 ("N", 1),
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3151 1, a_nr, b_nr, pa, a_nr, pb,
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3152 b_nr, px, a_nr, scale, info
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3153 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3154 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3155
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3156
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3157 // FIXME -- check info?
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3158
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3159 retval = -uacxub.transpose ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3160
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3161 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3162 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3163
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3164 // matrix by matrix -> matrix operations
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3165
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3166 /* Simple Dot Product, Matrix-Vector and Matrix-Matrix Unit tests
9527 6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3167 %!assert(single([1 2 3]) * single([ 4 ; 5 ; 6]), single(32), 5e-7)
6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3168 %!assert(single([1 2 ; 3 4 ]) * single([5 ; 6]), single([17 ; 39 ]), 5e-7)
6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3169 %!assert(single([1 2 ; 3 4 ]) * single([5 6 ; 7 8]), single([19 22; 43 50]), 5e-7)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3170 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3171
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3172 /* Test some simple identities
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3173 %!shared M, cv, rv
9527 6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3174 %! M = single(randn(10,10));
6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3175 %! cv = single(randn(10,1));
6a9fd5f653c9 make single prec. matrix mutliply tests really single Jaroslav Hajek <highegg@gmail.com> parents: 9523 diff changeset	3176 %! rv = single(randn(1,10));
9528 ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9527 diff changeset	3177 %!assert([Mcv,Mcv],M*[cv,cv],5e-6)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9527 diff changeset	3178 %!assert([M'cv,M'cv],M'*[cv,cv],5e-6)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9527 diff changeset	3179 %!assert([rvM;rvM],[rv;rv]*M,5e-6)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9527 diff changeset	3180 %!assert([rvM';rvM'],[rv;rv]*M',5e-6)
ec066ba012c8 more fixes & tests for matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9527 diff changeset	3181 %!assert(2rvcv,[rv,rv]*[cv;cv],5e-6)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3182 */
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3183
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3184 static const char *
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3185 get_blas_trans_arg (bool trans)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3186 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3187 static char blas_notrans = 'N', blas_trans = 'T';
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3188 return (trans) ? &blas_trans : &blas_notrans;
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3189 }
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3190
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3191 // the general GEMM operation
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3192
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3193 FloatMatrix
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3194 xgemm (const FloatMatrix& a, const FloatMatrix& b,
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3195 blas_trans_type transa, blas_trans_type transb)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3196 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3197 FloatMatrix retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3198
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3199 bool tra = transa != blas_no_trans, trb = transb != blas_no_trans;
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3200
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3201 octave_idx_type a_nr = tra ? a.cols () : a.rows ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3202 octave_idx_type a_nc = tra ? a.rows () : a.cols ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3203
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3204 octave_idx_type b_nr = trb ? b.cols () : b.rows ();
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3205 octave_idx_type b_nc = trb ? b.rows () : b.cols ();
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3206
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3207 if (a_nc != b_nr)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3208 gripe_nonconformant ("operator *", a_nr, a_nc, b_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3209 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3210 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3211 if (a_nr == 0 \|\| a_nc == 0 \|\| b_nc == 0)
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	3212 retval = FloatMatrix (a_nr, b_nc, 0.0);
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3213 else if (a.data () == b.data () && a_nr == b_nc && tra != trb)
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3214 {
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3215 octave_idx_type lda = a.rows ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3216
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	3217 retval = FloatMatrix (a_nr, b_nc);
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3218 float *c = retval.fortran_vec ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3219
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3220 const char *ctra = get_blas_trans_arg (tra);
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3221 F77_XFCN (ssyrk, SSYRK, (F77_CONST_CHAR_ARG2 ("U", 1),
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3222 F77_CONST_CHAR_ARG2 (ctra, 1),
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3223 a_nr, a_nc, 1.0,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3224 a.data (), lda, 0.0, c, a_nr
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3225 F77_CHAR_ARG_LEN (1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3226 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3227 for (int j = 0; j < a_nr; j++)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3228 for (int i = 0; i < j; i++)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3229 retval.xelem (j,i) = retval.xelem (i,j);
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3230
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3231 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3232 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3233 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3234 octave_idx_type lda = a.rows (), tda = a.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3235 octave_idx_type ldb = b.rows (), tdb = b.cols ();
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3236
9359 be6867ba8104 avoid useless zero initialization when doing matrix multiply Jaroslav Hajek <highegg@gmail.com> parents: 9227 diff changeset	3237 retval = FloatMatrix (a_nr, b_nc);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3238 float *c = retval.fortran_vec ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3239
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3240 if (b_nc == 1)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3241 {
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3242 if (a_nr == 1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3243 F77_FUNC (xsdot, XSDOT) (a_nc, a.data (), 1, b.data (), 1, *c);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3244 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3245 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3246 const char *ctra = get_blas_trans_arg (tra);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3247 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (ctra, 1),
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3248 lda, tda, 1.0, a.data (), lda,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3249 b.data (), 1, 0.0, c, 1
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3250 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3251 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3252 }
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3253 else if (a_nr == 1)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3254 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3255 const char *crevtrb = get_blas_trans_arg (! trb);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3256 F77_XFCN (sgemv, SGEMV, (F77_CONST_CHAR_ARG2 (crevtrb, 1),
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3257 ldb, tdb, 1.0, b.data (), ldb,
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3258 a.data (), 1, 0.0, c, 1
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3259 F77_CHAR_ARG_LEN (1)));
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3260 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3261 else
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3262 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3263 const char *ctra = get_blas_trans_arg (tra);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3264 const char *ctrb = get_blas_trans_arg (trb);
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3265 F77_XFCN (sgemm, SGEMM, (F77_CONST_CHAR_ARG2 (ctra, 1),
1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3266 F77_CONST_CHAR_ARG2 (ctrb, 1),
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3267 a_nr, b_nc, a_nc, 1.0, a.data (),
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3268 lda, b.data (), ldb, 0.0, c, a_nr
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3269 F77_CHAR_ARG_LEN (1)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3270 F77_CHAR_ARG_LEN (1)));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3271 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3272 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3273 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3274
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3275 return retval;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3276 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3277
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3278 FloatMatrix
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3279 operator * (const FloatMatrix& a, const FloatMatrix& b)
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3280 {
9665 1dba57e9d08d use blas_trans_type for xgemm Jaroslav Hajek <highegg@gmail.com> parents: 9662 diff changeset	3281 return xgemm (a, b);
7804 a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3282 }
a0c550b22e61 compound ops for float matrices Jaroslav Hajek <highegg@gmail.com> parents: 7797 diff changeset	3283
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3284 // FIXME -- it would be nice to share code among the min/max
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3285 // functions below.
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3286
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3287 #define EMPTY_RETURN_CHECK(T) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3288 if (nr == 0 \|\| nc == 0) \
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3289 return T (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3290
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3291 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3292 min (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3293 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3294 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3295 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3296
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3297 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3298
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3299 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3300
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3301 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3302 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3303 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3304 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3305 result (i, j) = xmin (d, m (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3306 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3307
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3308 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3309 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3310
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3311 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3312 min (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3313 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3314 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3315 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3316
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3317 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3318
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3319 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3320
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3321 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3322 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3323 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3324 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3325 result (i, j) = xmin (m (i, j), d);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3326 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3327
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3328 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3329 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3330
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3331 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3332 min (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3333 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3334 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3335 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3336
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3337 if (nr != b.rows () \|\| nc != b.columns ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3338 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3339 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3340 ("two-arg min expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3341 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3342 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3343
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3344 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3345
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3346 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3347
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3348 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3349 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3350 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3351 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3352 result (i, j) = xmin (a (i, j), b (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3353 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3354
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3355 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3356 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3357
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3358 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3359 max (float d, const FloatMatrix& m)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3360 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3361 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3362 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3363
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3364 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3365
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3366 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3367
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3368 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3369 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3370 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3371 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3372 result (i, j) = xmax (d, m (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3373 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3374
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3375 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3376 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3377
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3378 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3379 max (const FloatMatrix& m, float d)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3380 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3381 octave_idx_type nr = m.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3382 octave_idx_type nc = m.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3383
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3384 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3385
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3386 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3387
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3388 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3389 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3390 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3391 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3392 result (i, j) = xmax (m (i, j), d);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3393 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3394
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3395 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3396 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3397
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3398 FloatMatrix
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3399 max (const FloatMatrix& a, const FloatMatrix& b)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3400 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3401 octave_idx_type nr = a.rows ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3402 octave_idx_type nc = a.columns ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3403
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3404 if (nr != b.rows () \|\| nc != b.columns ())
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3405 {
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3406 (*current_liboctave_error_handler)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3407 ("two-arg max expecting args of same size");
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3408 return FloatMatrix ();
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3409 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3410
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3411 EMPTY_RETURN_CHECK (FloatMatrix);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3412
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3413 FloatMatrix result (nr, nc);
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3414
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3415 for (octave_idx_type j = 0; j < nc; j++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3416 for (octave_idx_type i = 0; i < nr; i++)
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3417 {
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 9812 diff changeset	3418 octave_quit ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3419 result (i, j) = xmax (a (i, j), b (i, j));
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3420 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3421
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3422 return result;
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3423 }
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3424
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3425 FloatMatrix linspace (const FloatColumnVector& x1,
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3426 const FloatColumnVector& x2,
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3427 octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3428
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3429 {
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3430 if (n < 1) n = 1;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3431
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3432 octave_idx_type m = x1.length ();
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3433
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3434 if (x2.length () != m)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3435 (*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	3436
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3437 NoAlias<FloatMatrix> retval;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3438
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3439 retval.clear (m, n);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3440 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3441 retval(i, 0) = x1(i);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3442
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3443 // 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	3444 float *delta = &retval(0, n-1);
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3445 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3446 delta[i] = (x2(i) - x1(i)) / (n - 1);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3447
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3448 for (octave_idx_type j = 1; j < n-1; j++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3449 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	3450 retval(i, j) = x1(i) + j*delta[i];
9653 e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3451
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3452 for (octave_idx_type i = 0; i < m; i++)
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3453 retval(i, n-1) = x2(i);
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3454
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3455 return retval;
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3456 }
e087d7c77ff9 improve linspace in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9601 diff changeset	3457
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	3458 MS_CMP_OPS (FloatMatrix, float)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	3459 MS_BOOL_OPS (FloatMatrix, float)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3460
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	3461 SM_CMP_OPS (float, FloatMatrix)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	3462 SM_BOOL_OPS (float, FloatMatrix)
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: diff changeset	3463
9578 7dafdb8b062f refactor comparison ops implementations Jaroslav Hajek <highegg@gmail.com> parents: 9553 diff changeset	3464 MM_CMP_OPS (FloatMatrix, FloatMatrix)
9550 3d6a9aea2aea refactor binary & bool ops in liboctave Jaroslav Hajek <highegg@gmail.com> parents: 9528 diff changeset	3465 MM_BOOL_OPS (FloatMatrix, FloatMatrix)

Mercurial > hg > octave-nkf

annotate liboctave/fMatrix.cc @ 10213:f7ba6cfe7fb7