octave-lyh: src/DLD-FUNCTIONS/quad.cc annotate

annotate src/DLD-FUNCTIONS/quad.cc @ 11523:fd0a3ac60b0e

update copyright notices

author	John W. Eaton <jwe@octave.org>
date	Fri, 14 Jan 2011 05:47:45 -0500
parents	89f4d7e294cc
children	01f703952eff

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	3 Copyright (C) 1996-2011 John W. Eaton
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	4
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8 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: 6741 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6741 diff changeset	10 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	11
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 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: 6741 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6741 diff changeset	19 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	20
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	21 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #include <string>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
3567 dd8998699aa8 [project @ 2000-02-03 09:54:28 by jwe] jwe parents: 3544 diff changeset	29 #include <iomanip>
3523 b80bbb43a1a9 [project @ 2000-02-02 10:25:52 by jwe] jwe parents: 3419 diff changeset	30 #include <iostream>
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "Quad.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	33 #include "lo-mappers.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	34
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	35 #include "defun-dld.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	36 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	37 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	38 #include "pager.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	39 #include "oct-obj.h"
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	40 #include "ov-fcn.h"
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	41 #include "unwind-prot.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "variables.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	45 #include "Quad-opts.cc"
f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	46
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	47 #if defined (quad)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	48 #undef quad
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	49 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	50
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	51 // Global pointer for user defined function required by quadrature functions.
2968 e330cb788508 [project @ 1997-05-15 17:40:29 by jwe] jwe parents: 2928 diff changeset	52 static octave_function *quad_fcn;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	53
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	54 // Have we warned about imaginary values returned from user function?
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	55 static bool warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	56
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	57 // Is this a recursive call?
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	58 static int call_depth = 0;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	59
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	60 double
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	61 quad_user_function (double x)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	62 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	63 double retval = 0.0;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	64
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	65 octave_value_list args;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	66 args(0) = x;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	67
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	68 if (quad_fcn)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	69 {
3544 71bd2d124119 [project @ 2000-02-02 21:02:31 by jwe] jwe parents: 3523 diff changeset	70 octave_value_list tmp = quad_fcn->do_multi_index_op (1, args);
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	71
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	72 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	73 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	74 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	75 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	76 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	77 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	78
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	79 if (tmp.length () && tmp(0).is_defined ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	80 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	81 if (! warned_imaginary && tmp(0).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	82 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	83 warning ("quad: ignoring imaginary part returned from user-supplied function");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	84 warned_imaginary = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	85 }
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	86
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	87 retval = tmp(0).double_value ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	88
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	89 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	90 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	91 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	92 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	93 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	94 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	95 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	96 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	97 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	98 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	99 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	100 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	101
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	102 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	103 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	104
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	105 float
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	106 quad_float_user_function (float x)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	107 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	108 float retval = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	109
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	110 octave_value_list args;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	111 args(0) = x;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	112
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	113 if (quad_fcn)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	114 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	115 octave_value_list tmp = quad_fcn->do_multi_index_op (1, args);
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	116
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	117 if (error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	118 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	119 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	120 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	121 return retval;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	122 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	123
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	124 if (tmp.length () && tmp(0).is_defined ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	125 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	126 if (! warned_imaginary && tmp(0).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	127 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	128 warning ("quad: ignoring imaginary part returned from user-supplied function");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	129 warned_imaginary = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	130 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	131
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	132 retval = tmp(0).float_value ();
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	133
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	134 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	135 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	136 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	137 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	138 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	139 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	140 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	141 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	142 quad_integration_error = 1; // FIXME
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	143 gripe_user_supplied_eval ("quad");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	144 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	145 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	146
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	147 return retval;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	148 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	149
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	150 #define QUAD_ABORT() \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	151 do \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	152 { \
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	153 if (fcn_name.length()) \
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	154 clear_function (fcn_name); \
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	155 return retval; \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	156 } \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	157 while (0)
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	158
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	159 #define QUAD_ABORT1(msg) \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	160 do \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	161 { \
3747 50f30e40abca [project @ 2000-12-07 05:47:06 by jwe] jwe parents: 3568 diff changeset	162 ::error ("quad: " msg); \
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	163 QUAD_ABORT (); \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	164 } \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	165 while (0)
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	166
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	167 #define QUAD_ABORT2(fmt, arg) \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	168 do \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	169 { \
3747 50f30e40abca [project @ 2000-12-07 05:47:06 by jwe] jwe parents: 3568 diff changeset	170 ::error ("quad: " fmt, arg); \
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	171 QUAD_ABORT (); \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	172 } \
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	173 while (0)
511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	174
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	175 DEFUN_DLD (quad, args, nargout,
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	176 "-- texinfo --\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	177 @deftypefn {Loadable Function} {[@var{v}, @var{ier}, @var{nfun}, @var{err}] =} quad (@var{f}, @var{a}, @var{b}, @var{tol}, @var{sing})\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10155 diff changeset	178 Integrate a nonlinear function of one variable using @sc{quadpack}.\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	179 The first argument is the name of the function, the function handle or\n\
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	180 the inline function to call to compute the value of the integrand. It\n\
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	181 must have the form\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	182 \n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	183 @example\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	184 y = f (x)\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	185 @end example\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	186 \n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	187 @noindent\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	188 where @var{y} and @var{x} are scalars.\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	189 \n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	190 The second and third arguments are limits of integration. Either or\n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	191 both may be infinite.\n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	192 \n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	193 The optional argument @var{tol} is a vector that specifies the desired\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	194 accuracy of the result. The first element of the vector is the desired\n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	195 absolute tolerance, and the second element is the desired relative\n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	196 tolerance. To choose a relative test only, set the absolute\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	197 tolerance to zero. To choose an absolute test only, set the relative\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	198 tolerance to zero. \n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	199 \n\
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	200 The optional argument @var{sing} is a vector of values at which the\n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	201 integrand is known to be singular.\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	202 \n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	203 The result of the integration is returned in @var{v} and @var{ier}\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	204 contains an integer error code (0 indicates a successful integration).\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	205 The value of @var{nfun} indicates how many function evaluations were\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	206 required, and @var{err} contains an estimate of the error in the\n\
a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	207 solution.\n\
3964 3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3747 diff changeset	208 \n\
3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3747 diff changeset	209 You can use the function @code{quad_options} to set optional\n\
3030cb6cb559 [project @ 2002-06-28 17:17:55 by jwe] jwe parents: 3747 diff changeset	210 parameters for @code{quad}.\n\
6741 00116015904d [project @ 2007-06-18 16:07:14 by jwe] jwe parents: 5823 diff changeset	211 \n\
00116015904d [project @ 2007-06-18 16:07:14 by jwe] jwe parents: 5823 diff changeset	212 It should be noted that since @code{quad} is written in Fortran it\n\
00116015904d [project @ 2007-06-18 16:07:14 by jwe] jwe parents: 5823 diff changeset	213 cannot be called recursively.\n\
3368 a4cd1e9d9962 [project @ 1999-11-20 17:22:48 by jwe] jwe parents: 3325 diff changeset	214 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	215 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	216 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	217
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	218 std::string fcn_name;
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	219
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	220 warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	221
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	222 unwind_protect frame;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	223
10066 2cd940306a06 make unwind_protect frames local Jaroslav Hajek <highegg@gmail.com> parents: 9377 diff changeset	224 frame.protect_var (call_depth);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	225 call_depth++;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	226
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	227 if (call_depth > 1)
3323 511caaa5e98e [project @ 1999-10-27 02:21:46 by jwe] jwe parents: 3321 diff changeset	228 QUAD_ABORT1 ("invalid recursive call");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	229
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	230 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	231
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	232 if (nargin > 2 && nargin < 6 && nargout < 5)
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	233 {
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	234 if (args(0).is_function_handle () \|\| args(0).is_inline_function ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	235 quad_fcn = args(0).function_value ();
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	236 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	237 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	238 fcn_name = unique_symbol_name ("__quad_fcn_");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	239 std::string fname = "function y = ";
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	240 fname.append (fcn_name);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	241 fname.append ("(x) y = ");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	242 quad_fcn = extract_function (args(0), "quad", fcn_name, fname,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	243 "; endfunction");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	244 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	245
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	246 if (! quad_fcn)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	247 QUAD_ABORT ();
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	248
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	249 if (args(1).is_single_type () \|\| args(2).is_single_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	250 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	251 float a = args(1).float_value ();
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	252
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	253 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	254 QUAD_ABORT1 ("expecting second argument to be a scalar");
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	255
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	256 float b = args(2).float_value ();
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	257
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	258 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	259 QUAD_ABORT1 ("expecting third argument to be a scalar");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	260
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	261 int indefinite = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	262 FloatIndefQuad::IntegralType indef_type = FloatIndefQuad::doubly_infinite;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	263 float bound = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	264 if (xisinf (a) && xisinf (b))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	265 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	266 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	267 indef_type = FloatIndefQuad::doubly_infinite;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	268 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	269 else if (xisinf (a))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	270 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	271 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	272 bound = b;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	273 indef_type = FloatIndefQuad::neg_inf_to_bound;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	274 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	275 else if (xisinf (b))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	276 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	277 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	278 bound = a;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	279 indef_type = FloatIndefQuad::bound_to_inf;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	280 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	281
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	282 octave_idx_type ier = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	283 octave_idx_type nfun = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	284 float abserr = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	285 float val = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	286 bool have_sing = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	287 FloatColumnVector sing;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	288 FloatColumnVector tol;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	289
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	290 switch (nargin)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	291 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	292 case 5:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	293 if (indefinite)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	294 QUAD_ABORT1 ("singularities not allowed on infinite intervals");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	295
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	296 have_sing = true;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	297
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	298 sing = FloatColumnVector (args(4).float_vector_value ());
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	299
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	300 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	301 QUAD_ABORT1 ("expecting vector of singularities as fourth argument");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	302
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	303 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	304 tol = FloatColumnVector (args(3).float_vector_value ());
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	305
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	306 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	307 QUAD_ABORT1 ("expecting vector of tolerances as fifth argument");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	308
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	309 switch (tol.capacity ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	310 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	311 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	312 quad_opts.set_single_precision_relative_tolerance (tol (1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	313
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	314 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	315 quad_opts.set_single_precision_absolute_tolerance (tol (0));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	316 break;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	317
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	318 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	319 QUAD_ABORT1 ("expecting tol to contain no more than two values");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	320 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	321
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	322 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	323 if (indefinite)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	324 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	325 FloatIndefQuad iq (quad_float_user_function, bound,
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	326 indef_type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	327 iq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	328 val = iq.float_integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	329 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	330 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	331 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	332 if (have_sing)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	333 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	334 FloatDefQuad dq (quad_float_user_function, a, b, sing);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	335 dq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	336 val = dq.float_integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	337 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	338 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	339 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	340 FloatDefQuad dq (quad_float_user_function, a, b);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	341 dq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	342 val = dq.float_integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	343 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	344 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	345 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	346
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	347 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	348 panic_impossible ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	349 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	350 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	351
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	352 retval(3) = abserr;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	353 retval(2) = nfun;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	354 retval(1) = ier;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	355 retval(0) = val;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	356
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	357 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	358 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	359 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	360 double a = args(1).double_value ();
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	361
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	362 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	363 QUAD_ABORT1 ("expecting second argument to be a scalar");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	364
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	365 double b = args(2).double_value ();
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	366
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	367 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	368 QUAD_ABORT1 ("expecting third argument to be a scalar");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	369
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	370 int indefinite = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	371 IndefQuad::IntegralType indef_type = IndefQuad::doubly_infinite;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	372 double bound = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	373 if (xisinf (a) && xisinf (b))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	374 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	375 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	376 indef_type = IndefQuad::doubly_infinite;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	377 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	378 else if (xisinf (a))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	379 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	380 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	381 bound = b;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	382 indef_type = IndefQuad::neg_inf_to_bound;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	383 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	384 else if (xisinf (b))
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	385 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	386 indefinite = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	387 bound = a;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	388 indef_type = IndefQuad::bound_to_inf;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	389 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	390
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	391 octave_idx_type ier = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	392 octave_idx_type nfun = 0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	393 double abserr = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	394 double val = 0.0;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	395 bool have_sing = false;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	396 ColumnVector sing;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	397 ColumnVector tol;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	398
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	399 switch (nargin)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	400 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	401 case 5:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	402 if (indefinite)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	403 QUAD_ABORT1 ("singularities not allowed on infinite intervals");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	404
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	405 have_sing = true;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	406
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	407 sing = ColumnVector (args(4).vector_value ());
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	408
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	409 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	410 QUAD_ABORT1 ("expecting vector of singularities as fourth argument");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	411
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	412 case 4:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	413 tol = ColumnVector (args(3).vector_value ());
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	414
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	415 if (error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	416 QUAD_ABORT1 ("expecting vector of tolerances as fifth argument");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	417
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	418 switch (tol.capacity ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	419 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	420 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	421 quad_opts.set_relative_tolerance (tol (1));
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	422
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	423 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	424 quad_opts.set_absolute_tolerance (tol (0));
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	425 break;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	426
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	427 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	428 QUAD_ABORT1 ("expecting tol to contain no more than two values");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	429 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	430
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	431 case 3:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	432 if (indefinite)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	433 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	434 IndefQuad iq (quad_user_function, bound, indef_type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	435 iq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	436 val = iq.integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	437 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	438 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	439 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	440 if (have_sing)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	441 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	442 DefQuad dq (quad_user_function, a, b, sing);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	443 dq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	444 val = dq.integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	445 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	446 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	447 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	448 DefQuad dq (quad_user_function, a, b);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	449 dq.set_options (quad_opts);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	450 val = dq.integrate (ier, nfun, abserr);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	451 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	452 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	453 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	454
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	455 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	456 panic_impossible ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	457 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	458 }
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	459
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	460 retval(3) = abserr;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	461 retval(2) = nfun;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	462 retval(1) = ier;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	463 retval(0) = val;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	464 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	465
ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	466 if (fcn_name.length())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	467 clear_function (fcn_name);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	468 }
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	469 else
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5775 diff changeset	470 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	471
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	472 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	473 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	474
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	475 /*
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	476
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	477 %!function y = f (x)
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	478 %! y = x + 1;
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	479 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	480 %! [v, ier, nfun, err] = quad ("f", 0, 5);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	481 %! assert(ier == 0 && abs (v - 17.5) < sqrt (eps) && nfun > 0 &&
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	482 %! err < sqrt (eps))
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	483 %!test
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	484 %! [v, ier, nfun, err] = quad ("f", single(0), single(5));
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	485 %! assert(ier == 0 && abs (v - 17.5) < sqrt (eps ("single")) && nfun > 0 &&
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	486 %! err < sqrt (eps ("single")))
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	487
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	488 %!function y = f (x)
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	489 %! y = x .* sin (1 ./ x) .* sqrt (abs (1 - x));
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	490 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	491 %! [v, ier, nfun, err] = quad ("f", 0.001, 3);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	492 %! assert((ier == 0 \|\| ier == 1) && abs (v - 1.98194120273598) < sqrt (eps) && nfun > 0);
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	493 %!test
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	494 %! [v, ier, nfun, err] = quad ("f", single(0.001), single(3));
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	495 %! assert((ier == 0 \|\| ier == 1) && abs (v - 1.98194120273598) < sqrt (eps ("single")) && nfun > 0);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	496
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	497 %!error <Invalid call to quad.*> quad ();
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	498
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	499 %!error <Invalid call to quad.*> quad ("f", 1, 2, 3, 4, 5);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	500
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	501 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	502 %! quad_options ("absolute tolerance", eps);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	503 %! assert(quad_options ("absolute tolerance") == eps);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	504
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	505 %!error <Invalid call to quad_options.*> quad_options (1, 2, 3);
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	506
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	507 */

Mercurial > hg > octave-lyh

annotate src/DLD-FUNCTIONS/quad.cc @ 11523:fd0a3ac60b0e