octave-nkf: libinterp/corefcn/__pchip_deriv_

annotate libinterp/corefcn/__pchip_deriv__.cc @ 17296:3a9efb68272d ss-3-7-6

snapshot 3.7.6 * configure.ac (OCTAVE_VERSION): Bump to 3.7.6.

author	John W. Eaton <jwe@octave.org>
date	Tue, 20 Aug 2013 15:17:54 -0400
parents	2fc554ffbc28
children	d63878346099

rev	line source
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1 /*
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	2
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 12805 diff changeset	3 Copyright (C) 2002-2012 Kai Habel
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11518 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	5
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	7
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	9 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6945 diff changeset	10 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6945 diff changeset	11 option) any later version.
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	12
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	16 for more details.
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	17
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	18 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6945 diff changeset	19 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6945 diff changeset	20 <http://www.gnu.org/licenses/>.
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	21
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	22 */
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	23
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	25 #include <config.h>
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	26 #endif
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	27
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	28 #include "defun.h"
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	29 #include "error.h"
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	30 #include "gripes.h"
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	31 #include "oct-obj.h"
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	32 #include "utils.h"
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	33 #include "f77-fcn.h"
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	34
5838 376e02b2ce70 [project @ 2006-06-01 20:23:53 by jwe] jwe parents: 5837 diff changeset	35 extern "C"
376e02b2ce70 [project @ 2006-06-01 20:23:53 by jwe] jwe parents: 5837 diff changeset	36 {
6242 64bad7c6a607 [project @ 2007-01-16 07:03:51 by jwe] jwe parents: 5838 diff changeset	37 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	38 F77_FUNC (dpchim, DPCHIM) (const octave_idx_type& n, const double *x,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	39 const double f, double d,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	40 const octave_idx_type &incfd,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	41 octave_idx_type *ierr);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	42
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	43 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	44 F77_FUNC (pchim, PCHIM) (const octave_idx_type& n, const float *x,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	45 const float f, float d,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10154 diff changeset	46 const octave_idx_type& incfd,
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	47 octave_idx_type *ierr);
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	48 }
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	49
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6549 diff changeset	50 // Wrapper for SLATEC/PCHIP function DPCHIM to calculate the derivates
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6549 diff changeset	51 // for piecewise polynomials.
6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6549 diff changeset	52
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	53 DEFUN (__pchip_deriv__, args, ,
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	54 "-- texinfo --\n\
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14846 diff changeset	55 @deftypefn {Built-in Function} {} __pchip_deriv__ (@var{x}, @var{y}, @var{dim})\n\
6945 6bbf56a9718a [project @ 2007-10-02 20:47:22 by jwe] jwe parents: 6549 diff changeset	56 Undocumented internal function.\n\
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	57 @end deftypefn")
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	58 {
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	59 octave_value retval;
5838 376e02b2ce70 [project @ 2006-06-01 20:23:53 by jwe] jwe parents: 5837 diff changeset	60 const int nargin = args.length ();
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	61
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	62 bool rows = (nargin == 3 && args (2).uint_value () == 2);
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	63
010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	64 if (nargin >= 2)
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	65 {
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	66 if (args(0).is_single_type () \|\| args(1).is_single_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	67 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	68 FloatColumnVector xvec (args(0).float_vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	69 FloatMatrix ymat (args(1).float_matrix_value ());
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	70
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	71 octave_idx_type nx = xvec.length ();
14462 af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	72
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	73 if (nx < 2)
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	74 {
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	75 error ("__pchip_deriv__: X must be at least of length 2");
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	76 return retval;
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	77 }
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	78
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	79 octave_idx_type nyr = ymat.rows ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	80 octave_idx_type nyc = ymat.columns ();
5838 376e02b2ce70 [project @ 2006-06-01 20:23:53 by jwe] jwe parents: 5837 diff changeset	81
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	82 if (nx != (rows ? nyc : nyr))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	83 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	84 error ("__pchip_deriv__: X and Y dimension mismatch");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	85 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	86 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	87
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	88 const float *yvec = ymat.data ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	89 FloatMatrix dmat (nyr, nyc);
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	90 float *dvec = dmat.fortran_vec ();
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	91
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	92 octave_idx_type ierr;
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	93 const octave_idx_type incfd = rows ? nyr : 1;
8713 02d4c764de61 fix typo in previous patch Jaroslav Hajek <highegg@gmail.com> parents: 8712 diff changeset	94 const octave_idx_type inc = rows ? 1 : nyr;
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	95
010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	96 for (octave_idx_type i = (rows ? nyr : nyc); i > 0; i--)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	97 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	98 F77_FUNC (pchim, PCHIM) (nx, xvec.data (),
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	99 yvec, dvec, incfd, &ierr);
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	100
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	101 yvec += inc;
010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	102 dvec += inc;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	103
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	104 if (ierr < 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	105 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	106 error ("PCHIM: error: %i\n", ierr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	107 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	108 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	109 }
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	110
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	111 retval = dmat;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	112 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	113 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	114 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	115 ColumnVector xvec (args(0).vector_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	116 Matrix ymat (args(1).matrix_value ());
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	117
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	118 octave_idx_type nx = xvec.length ();
14462 af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	119
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	120 if (nx < 2)
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	121 {
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	122 error ("__pchip_deriv__: X must be at least of length 2");
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	123 return retval;
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	124 }
af552038cc52 Fix segfault in pchip when input array is too small (bug #35835). Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14138 diff changeset	125
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	126 octave_idx_type nyr = ymat.rows ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	127 octave_idx_type nyc = ymat.columns ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	128
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	129 if (nx != (rows ? nyc : nyr))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	130 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	131 error ("__pchip_deriv__: X and Y dimension mismatch");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	132 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	133 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	134
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	135 const double *yvec = ymat.data ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	136 Matrix dmat (nyr, nyc);
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	137 double *dvec = dmat.fortran_vec ();
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	138
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	139 octave_idx_type ierr;
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	140 const octave_idx_type incfd = rows ? nyr : 1;
8713 02d4c764de61 fix typo in previous patch Jaroslav Hajek <highegg@gmail.com> parents: 8712 diff changeset	141 const octave_idx_type inc = rows ? 1 : nyr;
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	142
010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	143 for (octave_idx_type i = (rows ? nyr : nyc); i > 0; i--)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	144 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	145 F77_FUNC (dpchim, DPCHIM) (nx, xvec.data (),
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	146 yvec, dvec, incfd, &ierr);
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	147
8712 010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	148 yvec += inc;
010e15c7be9a support pchip method in interp2 Jaroslav Hajek <highegg@gmail.com> parents: 7789 diff changeset	149 dvec += inc;
5838 376e02b2ce70 [project @ 2006-06-01 20:23:53 by jwe] jwe parents: 5837 diff changeset	150
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	151 if (ierr < 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	152 {
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	153 error ("DPCHIM: error: %i\n", ierr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	154 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	155 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	156 }
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7017 diff changeset	157
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	158 retval = dmat;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 8713 diff changeset	159 }
5837 55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	160 }
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	161
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	162 return retval;
55404f3b0da1 [project @ 2006-06-01 19:05:31 by jwe] jwe parents: diff changeset	163 }
12805 3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	164
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	165 /*
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	166 ## No test needed for internal helper function.
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	167 %!assert (1)
3641167e5b75 codesprint: .cc helper functions do not need tests Rik <octave@nomad.inbox5.com>* parents: 11586 diff changeset	168 */

Mercurial > hg > octave-nkf

annotate libinterp/corefcn/__pchip_deriv__.cc @ 17296:3a9efb68272d ss-3-7-6