octave: libinterp/corefcn/quad.cc annotate

annotate libinterp/corefcn/quad.cc @ 28817:aef839f40da2

Replace unwind_protect with more efficient constructs (bug #59192). * __eigs__.cc, daspk.cc, dasrt.cc, dassl.cc, lsode.cc, quad.cc: Replace unwind_protect frame and protect_var() call for variable "call_depth" with unwind_protect_var().

author	Rik <rik@octave.org>
date	Tue, 29 Sep 2020 06:59:13 -0700
parents	bd51beb6205e
children	8f67ad8b3103

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	3 // Copyright (C) 1996-2020 The Octave Project Developers
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	27 # include "config.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30 #include <string>
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
15039 e753177cde93 maint: Move non-dynamically linked functions from DLD-FUNCTIONS/ to corefcn/ directory Rik <rik@octave.org> parents: 14854 diff changeset	35 #include "defun.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	36 #include "error.h"
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	37 #include "errwarn.h"
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	38 #include "interpreter-private.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	39 #include "pager.h"
23473 55916f99b8b6 prefer feval over do_multi_index_op John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	40 #include "parse.h"
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	41 #include "ov.h"
20940 48b2ad5ee801 maint: Rename oct-obj.[cc\|h] to ovl.[cc\|h] for clarity. Rik <rik@octave.org> parents: 20939 diff changeset	42 #include "ovl.h"
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	43 #include "unwind-prot.h"
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	45 #include "variables.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	46
3998 f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	47 #include "Quad-opts.cc"
f6df65db67f9 [project @ 2002-07-24 18:10:39 by jwe] jwe parents: 3964 diff changeset	48
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	49 // Global pointer for user defined function required by quadrature functions.
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	50 static octave_value quad_fcn;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	51
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	52 // 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	53 static bool warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	54
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	55 // Is this a recursive call?
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	56 static int call_depth = 0;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	57
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	58 double
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	59 quad_user_function (double x)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	60 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	61 double retval = 0.0;
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 octave_value_list args;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	64 args(0) = x;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	65
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	66 if (quad_fcn.is_defined ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	67 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	68 octave_value_list tmp;
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	69
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	70 try
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	71 {
23473 55916f99b8b6 prefer feval over do_multi_index_op John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	72 tmp = octave::feval (quad_fcn, args, 1);
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	73 }
22327 d0562b3159c7 move more classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	74 catch (octave::execution_exception& e)
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	75 {
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	76 err_user_supplied_eval (e, "quad");
10154 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
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	79 if (! tmp.length () \|\| ! tmp(0).is_defined ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	80 err_user_supplied_eval ("quad");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	81
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23473 diff changeset	82 if (! warned_imaginary && tmp(0).iscomplex ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	83 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	84 warning ("quad: ignoring imaginary part returned from user-supplied function");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	85 warned_imaginary = true;
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	86 }
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	87
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	88 retval = tmp(0).xdouble_value ("quad: expecting user supplied function to return numeric value");
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	89 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	90
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	91 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	92 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	93
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	94 float
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	95 quad_float_user_function (float x)
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	96 {
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	97 float retval = 0.0;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	98
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	99 octave_value_list args;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	100 args(0) = x;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	101
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	102 if (quad_fcn.is_defined ())
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	103 {
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	104 octave_value_list tmp;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	105
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	106 try
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	107 {
23473 55916f99b8b6 prefer feval over do_multi_index_op John W. Eaton <jwe@octave.org> parents: 23220 diff changeset	108 tmp = octave::feval (quad_fcn, args, 1);
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	109 }
22327 d0562b3159c7 move more classes inside octave namespace John W. Eaton <jwe@octave.org> parents: 22323 diff changeset	110 catch (octave::execution_exception& e)
20725 7164a69472dd eliminate more uses of error state John W. Eaton <jwe@octave.org> parents: 20711 diff changeset	111 {
21100 e39e05d90788 Switch gripe_XXX to either err_XXX or warn_XXX naming scheme. Rik <rik@octave.org> parents: 20940 diff changeset	112 err_user_supplied_eval (e, "quad");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	113 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	114
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	115 if (! tmp.length () \|\| ! tmp(0).is_defined ())
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	116 err_user_supplied_eval ("quad");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	117
23581 c3075ae020e1 maint: Deprecate is_complex_type and replace with iscomplex. Rik <rik@octave.org> parents: 23473 diff changeset	118 if (! warned_imaginary && tmp(0).iscomplex ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	119 {
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	120 warning ("quad: ignoring imaginary part returned from user-supplied function");
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	121 warned_imaginary = true;
3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	122 }
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	123
21118 3ac9f47fb04b Invert pattern if/code/else/err_XXX to if !/err_XXX/code. Rik <rik@octave.org> parents: 21100 diff changeset	124 retval = tmp(0).xfloat_value ("quad: expecting user supplied function to return numeric value");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	125 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	126
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	127 return retval;
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	128 }
62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	129
24728 af11cc7cd336 use DEFMETHODX instead of undefining quad John W. Eaton <jwe@octave.org> parents: 24546 diff changeset	130 DEFMETHODX ("quad", Fquad, interp, args, ,
af11cc7cd336 use DEFMETHODX instead of undefining quad John W. Eaton <jwe@octave.org> parents: 24546 diff changeset	131 doc: /* -- texinfo --
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	132 @deftypefn {} {@var{q} =} quad (@var{f}, @var{a}, @var{b})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	133 @deftypefnx {} {@var{q} =} quad (@var{f}, @var{a}, @var{b}, @var{tol})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	134 @deftypefnx {} {@var{q} =} quad (@var{f}, @var{a}, @var{b}, @var{tol}, @var{sing})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	135 @deftypefnx {} {[@var{q}, @var{ier}, @var{nfun}, @var{err}] =} quad (@dots{})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	136 Numerically evaluate the integral of @var{f} from @var{a} to @var{b} using
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	137 Fortran routines from @w{@sc{quadpack}}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	138
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	139 @var{f} is a function handle, inline function, or a string containing the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	140 name of the function to evaluate. The function must have the form @code{y =
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	141 f (x)} where @var{y} and @var{x} are scalars.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	142
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	143 @var{a} and @var{b} are the lower and upper limits of integration. Either
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	144 or both may be infinite.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	145
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	146 The optional argument @var{tol} is a vector that specifies the desired
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	147 accuracy of the result. The first element of the vector is the desired
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	148 absolute tolerance, and the second element is the desired relative
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	149 tolerance. To choose a relative test only, set the absolute
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	150 tolerance to zero. To choose an absolute test only, set the relative
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	151 tolerance to zero. Both tolerances default to @code{sqrt (eps)} or
24545 ba8b828ee4f2 doc: Replace @math{1e^{XXX}} sequences with raw 1eXXX (bug #52827). Rik <rik@octave.org> parents: 23219 diff changeset	152 approximately 1.5e-8.
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	153
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	154 The optional argument @var{sing} is a vector of values at which the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	155 integrand is known to be singular.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	156
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	157 The result of the integration is returned in @var{q}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	158
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	159 @var{ier} contains an integer error code (0 indicates a successful
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	160 integration).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	161
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	162 @var{nfun} indicates the number of function evaluations that were
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	163 made.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	164
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	165 @var{err} contains an estimate of the error in the solution.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	166
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	167 The function @code{quad_options} can set other optional parameters for
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	168 @code{quad}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	169
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	170 Note: because @code{quad} is written in Fortran it cannot be called
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	171 recursively. This prevents its use in integrating over more than one
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	172 variable by routines @code{dblquad} and @code{triplequad}.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	173 @seealso{quad_options, quadv, quadl, quadgk, quadcc, trapz, dblquad, triplequad}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21782 diff changeset	174 @end deftypefn */)
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	175 {
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	176 int nargin = args.length ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	177
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	178 if (nargin < 3 \|\| nargin > 5)
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	179 print_usage ();
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	180
4140 303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	181 warned_imaginary = false;
303b28a7a7e4 [project @ 2002-11-01 02:53:13 by jwe] jwe parents: 4122 diff changeset	182
28817 aef839f40da2 Replace unwind_protect with more efficient constructs (bug #59192). Rik <rik@octave.org> parents: 27923 diff changeset	183 octave::unwind_protect_var<int> restore_var (call_depth);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	184 call_depth++;
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	185
dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	186 if (call_depth > 1)
20709 a2a99aaf680b eliminate more uses of error_state John W. Eaton <jwe@octave.org> parents: 20687 diff changeset	187 error ("quad: invalid recursive call");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	188
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	189 quad_fcn = octave::get_function_handle (interp, args(0), "x");
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	190
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	191 octave_value_list retval;
b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20915 diff changeset	192
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	193 if (args(1).is_single_type () \|\| args(2).is_single_type ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	194 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	195 float a = args(1).xfloat_value ("quad: lower limit of integration A must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	196 float b = args(2).xfloat_value ("quad: upper limit of integration B must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	197
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	198 int indefinite = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	199 FloatIndefQuad::IntegralType indef_type
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	200 = FloatIndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	201 float bound = 0.0;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	202 if (octave::math::isinf (a) && octave::math::isinf (b))
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	203 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	204 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	205 indef_type = FloatIndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	206 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	207 else if (octave::math::isinf (a))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	208 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	209 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	210 bound = b;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	211 indef_type = FloatIndefQuad::neg_inf_to_bound;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	212 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	213 else if (octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	214 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	215 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	216 bound = a;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	217 indef_type = FloatIndefQuad::bound_to_inf;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	218 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	219
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	220 octave_idx_type ier = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	221 octave_idx_type nfun = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	222 float abserr = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	223 float val = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	224 bool have_sing = false;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	225 FloatColumnVector sing;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	226 FloatColumnVector tol;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	227
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	228 switch (nargin)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	229 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	230 case 5:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	231 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	232 error ("quad: singularities not allowed on infinite intervals");
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	233
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	234 have_sing = true;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	235
22173 8de49f15e182 doc: Fix "doubled words" typos (\b(\w+)\s+\1\b) Andreas Weber <andy.weber.aw@gmail.com> parents: 21966 diff changeset	236 sing = args(4).xfloat_vector_value ("quad: fifth argument SING must be a vector of singularities");
23826 d69021d58a61 avoid fallthrough warnings John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	237 OCTAVE_FALLTHROUGH;
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	238
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	239 case 4:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	240 tol = args(3).xfloat_vector_value ("quad: TOL must be a 1 or 2-element vector");
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	241
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	242 switch (tol.numel ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	243 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	244 case 2:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	245 quad_opts.set_single_precision_relative_tolerance (tol (1));
23826 d69021d58a61 avoid fallthrough warnings John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	246 OCTAVE_FALLTHROUGH;
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	247
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	248 case 1:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	249 quad_opts.set_single_precision_absolute_tolerance (tol (0));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	250 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	251
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	252 default:
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	253 error ("quad: TOL must be a 1 or 2-element vector");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	254 }
25080 699fe9cd51ca quad.cc: Silence implicit-fallthrough warning bug #53542) Rik <rik@octave.org> parents: 25054 diff changeset	255 OCTAVE_FALLTHROUGH;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	256
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	257 case 3:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	258 if (indefinite)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	259 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	260 FloatIndefQuad iq (quad_float_user_function, bound,
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	261 indef_type);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	262 iq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	263 val = iq.float_integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	264 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	265 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	266 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	267 if (have_sing)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	268 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	269 FloatDefQuad dq (quad_float_user_function, a, b, sing);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	270 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	271 val = dq.float_integrate (ier, nfun, abserr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	272 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	273 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	274 {
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	275 FloatDefQuad dq (quad_float_user_function, a, b);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	276 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	277 val = dq.float_integrate (ier, nfun, abserr);
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	278 }
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	279 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	280 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	281
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	282 default:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	283 panic_impossible ();
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	284 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	285 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	286
20884 f1b2a2dbc0e1 2015 Code Sprint: use ovl () in C++ files. José Luis García Pallero <jgpallero@gmail.com> parents: 20853 diff changeset	287 retval = ovl (val, ier, nfun, abserr);
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	288
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	289 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	290 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	291 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	292 double a = args(1).xdouble_value ("quad: lower limit of integration A must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	293 double b = args(2).xdouble_value ("quad: upper limit of integration B must be a scalar");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	294
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	295 int indefinite = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	296 IndefQuad::IntegralType indef_type = IndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	297 double bound = 0.0;
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	298 if (octave::math::isinf (a) && octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	299 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	300 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	301 indef_type = IndefQuad::doubly_infinite;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	302 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	303 else if (octave::math::isinf (a))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	304 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	305 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	306 bound = b;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	307 indef_type = IndefQuad::neg_inf_to_bound;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	308 }
21782 2aef506f3fec use namespace for lo-mappers.h functions John W. Eaton <jwe@octave.org> parents: 21743 diff changeset	309 else if (octave::math::isinf (b))
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	310 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	311 indefinite = 1;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	312 bound = a;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	313 indef_type = IndefQuad::bound_to_inf;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	314 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	315
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	316 octave_idx_type ier = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	317 octave_idx_type nfun = 0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	318 double abserr = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	319 double val = 0.0;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	320 bool have_sing = false;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	321 ColumnVector sing;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	322 ColumnVector tol;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	323
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	324 switch (nargin)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	325 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	326 case 5:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	327 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	328 error ("quad: singularities not allowed on infinite intervals");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	329
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	330 have_sing = true;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	331
26356 768945ca2ff2 quad.cc: Fix static analyzer detected issues (bug #55347). Rik <rik@octave.org> parents: 25438 diff changeset	332 sing = args(4).xvector_value ("quad: fifth argument SING must be a vector of singularities");
23826 d69021d58a61 avoid fallthrough warnings John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	333 OCTAVE_FALLTHROUGH;
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	334
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	335 case 4:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	336 tol = args(3).xvector_value ("quad: TOL must be a 1 or 2-element vector");
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	337
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	338 switch (tol.numel ())
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	339 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	340 case 2:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	341 quad_opts.set_relative_tolerance (tol (1));
23826 d69021d58a61 avoid fallthrough warnings John W. Eaton <jwe@octave.org> parents: 23699 diff changeset	342 OCTAVE_FALLTHROUGH;
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	343
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	344 case 1:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	345 quad_opts.set_absolute_tolerance (tol (0));
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	346 break;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	347
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	348 default:
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	349 error ("quad: TOL must be a 1 or 2-element vector");
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	350 }
25080 699fe9cd51ca quad.cc: Silence implicit-fallthrough warning bug #53542) Rik <rik@octave.org> parents: 25054 diff changeset	351 OCTAVE_FALLTHROUGH;
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	352
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	353 case 3:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	354 if (indefinite)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	355 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	356 IndefQuad iq (quad_user_function, bound, indef_type);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	357 iq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	358 val = iq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	359 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	360 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	361 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	362 if (have_sing)
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	363 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	364 DefQuad dq (quad_user_function, a, b, sing);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	365 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	366 val = dq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	367 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	368 else
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	369 {
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	370 DefQuad dq (quad_user_function, a, b);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	371 dq.set_options (quad_opts);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	372 val = dq.integrate (ier, nfun, abserr);
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	373 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	374 }
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	375 break;
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	376
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	377 default:
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	378 panic_impossible ();
8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	379 break;
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 10066 diff changeset	380 }
4954 ed0f3cb6d3d4 [project @ 2004-09-01 21:24:53 by jwe] jwe parents: 4140 diff changeset	381
20884 f1b2a2dbc0e1 2015 Code Sprint: use ovl () in C++ files. José Luis García Pallero <jgpallero@gmail.com> parents: 20853 diff changeset	382 retval = ovl (val, ier, nfun, abserr);
3243 dd00769643ae [project @ 1999-05-28 04:19:00 by jwe] jwe parents: 3131 diff changeset	383 }
20802 8bb38ba1bad6 eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20785 diff changeset	384
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	385 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	386 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	387
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	388 /*
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	389 %!function y = __f (x)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	390 %! y = x + 1;
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	391 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	392
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	393 %!test
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	394 %! [v, ier, nfun, err] = quad ("__f", 0, 5);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	395 %! assert (ier, 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	396 %! assert (v, 17.5, sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	397 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	398 %! assert (err < sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	399
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	400 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	401 %! [v, ier, nfun, err] = quad ("__f", single (0), single (5));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	402 %! assert (ier, 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	403 %! assert (v, 17.5, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	404 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	405 %! assert (err < sqrt (eps ("single")));
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	406
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	407 %!function y = __f (x)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	408 %! y = x .* sin (1 ./ x) .* sqrt (abs (1 - x));
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	409 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	410
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	411 %!test
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13915 diff changeset	412 %! [v, ier, nfun, err] = quad ("__f", 0.001, 3);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	413 %! assert (ier == 0 \|\| ier == 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	414 %! assert (v, 1.98194120273598, sqrt (eps));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	415 %! assert (nfun > 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	416
7805 62affb34e648 Make quad work with single precision David Bateman <dbateman@free.fr> parents: 7562 diff changeset	417 %!test
26864 041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	418 %! [v, ier, nfun, err] = quad (@__f, 0.001, 3);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	419 %! assert (ier == 0 \|\| ier == 1);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	420 %! assert (v, 1.98194120273598, sqrt (eps));
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	421 %! assert (nfun > 0);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	422
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	423 %!test
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	424 %! fstr = "x .* sin (1 ./ x) .* sqrt (abs (1 - x))";
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	425 %! [v, ier, nfun, err] = quad (fstr, 0.001, 3);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	426 %! assert (ier == 0 \|\| ier == 1);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	427 %! assert (v, 1.98194120273598, sqrt (eps));
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	428 %! assert (nfun > 0);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	429
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	430 %!test
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	431 %! anon_fcn = @(x) x .* sin (1 ./ x) .* sqrt (abs (1 - x));
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	432 %! [v, ier, nfun, err] = quad (anon_fcn, 0.001, 3);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	433 %! assert (ier == 0 \|\| ier == 1);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	434 %! assert (v, 1.98194120273598, sqrt (eps));
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	435 %! assert (nfun > 0);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	436
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	437 %!test
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	438 %! inline_fcn = inline ("x .* sin (1 ./ x) .* sqrt (abs (1 - x))", "x");
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	439 %! [v, ier, nfun, err] = quad (inline_fcn, 0.001, 3);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	440 %! assert (ier == 0 \|\| ier == 1);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	441 %! assert (v, 1.98194120273598, sqrt (eps));
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	442 %! assert (nfun > 0);
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	443
041caa61ed34 use get_function_handle instead of extract_function John W. Eaton <jwe@octave.org> parents: 26376 diff changeset	444 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	445 %! [v, ier, nfun, err] = quad ("__f", single (0.001), single (3));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	446 %! assert (ier == 0 \|\| ier == 1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	447 %! assert (v, 1.98194120273598, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	448 %! assert (nfun > 0);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	449
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	450 %!error quad ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	451 %!error quad ("__f", 1, 2, 3, 4, 5)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	452
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	453 %!test
c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	454 %! quad_options ("absolute tolerance", eps);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	455 %! assert (quad_options ("absolute tolerance") == eps);
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	456
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	457 %!error quad_options (1, 2, 3)
7562 c827f5673321 move tests to individual source files John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	458 */

Mercurial > octave

annotate libinterp/corefcn/quad.cc @ 28817:aef839f40da2