Mercurial > hg > octave-nkf

annotate liboctave/numeric/oct-rand.h @ 20809:ffc6cdcd02c5 stable

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix segfault when complex double matrix calls ZGETRF (bug #45577). * CMatrix.cc (finverse, determinant, rcond, fsolve): Calculate norm of matrix and if it is NaN, skip calling ZGETRF in LAPACK and set info to non-zero value to signal an error.
author Rik <rik@octave.org>
date Sat, 10 Oct 2015 16:46:00 -0700
parents 4197fc428c7d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
1 /*
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
2
19898
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents: 17822
diff changeset
3 Copyright (C) 2003-2015 John W. Eaton
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
4
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
5 This file is part of Octave.
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
6
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
7 Octave is free software; you can redistribute it and/or modify it
b738d1a02adb [project @ 2003-01-24 19:37:12 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: 6108
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: 6108
diff changeset
10 option) any later version.
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
11
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
12 Octave is distributed in the hope that it will be useful, but WITHOUT
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
15 for more details.
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
16
b738d1a02adb [project @ 2003-01-24 19:37:12 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: 6108
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: 6108
diff changeset
19 <http://www.gnu.org/licenses/>.
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
20
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
21 */
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
22
17822
ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents: 17769
diff changeset
23 #if !defined (octave_oct_rand_h)
ebb3ef964372 maint: Use common #define syntax "octave_filename_h" in h_files.
Rik <rik@octave.org>
parents: 17769
diff changeset
24 #define octave_oct_rand_h 1
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
25
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
26 #include <map>
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
27 #include <string>
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
28
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
29 #include "dColVector.h"
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4308
diff changeset
30 #include "dNDArray.h"
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
31 #include "fNDArray.h"
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
32 #include "lo-ieee.h"
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
33
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
34 class
6108
143b556ce725 [project @ 2006-10-27 01:45:54 by jwe]
jwe
parents: 5730
diff changeset
35 OCTAVE_API
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
36 octave_rand
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
37 {
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
38 protected:
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
39
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
40 octave_rand (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
41
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
42 public:
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
43
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
44 ~octave_rand (void) { }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
45
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
46 static bool instance_ok (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
47
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
48 // Return the current seed.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
49 static double seed (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
50 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
51 return instance_ok () ? instance->do_seed () : octave_NaN;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
52 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
53
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
54 // Set the seed.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
55 static void seed (double s)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
56 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
57 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
58 instance->do_seed (s);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
59 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
60
10709
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
61 // Reset the seed.
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
62 static void reset (void)
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
63 {
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
64 if (instance_ok ())
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
65 instance->do_reset ();
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
66 }
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
67
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
68 // Return the current state.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
69 static ColumnVector state (const std::string& d = std::string ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
70 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
71 return instance_ok () ? instance->do_state (d) : ColumnVector ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
72 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
73
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
74 // Set the current state/
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
75 static void state (const ColumnVector &s,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
76 const std::string& d = std::string ())
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
77 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
78 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
79 instance->do_state (s, d);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
80 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
81
10709
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
82 // Reset the current state/
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
83 static void reset (const std::string& d)
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
84 {
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
85 if (instance_ok ())
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
86 instance->do_reset (d);
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
87 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
88
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
89 // Return the current distribution.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
90 static std::string distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
91 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
92 return instance_ok () ? instance->do_distribution () : std::string ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
93 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
94
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
95 // Set the current distribution. May be either "uniform" (the
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
96 // default), "normal", "exponential", "poisson", or "gamma".
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
97 static void distribution (const std::string& d)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
98 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
99 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
100 instance->do_distribution (d);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
101 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
102
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
103 static void uniform_distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
104 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
105 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
106 instance->do_uniform_distribution ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
107 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
108
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
109 static void normal_distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
110 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
111 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
112 instance->do_normal_distribution ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
113 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
114
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
115 static void exponential_distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
116 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
117 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
118 instance->do_exponential_distribution ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
119 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
120
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
121 static void poisson_distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
122 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
123 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
124 instance->do_poisson_distribution ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
125 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
126
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
127 static void gamma_distribution (void)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
128 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
129 if (instance_ok ())
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
130 instance->do_gamma_distribution ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
131 }
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
132
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
133 // Return the next number from the sequence.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
134 static double scalar (double a = 1.0)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
135 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
136 return instance_ok () ? instance->do_scalar (a) : octave_NaN;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
137 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
138
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
139 // Return the next number from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
140 static float float_scalar (float a = 1.0)
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
141 {
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
142 return instance_ok () ? instance->do_float_scalar (a) : octave_Float_NaN;
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
143 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
144
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
145 // Return an array of numbers from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
146 static Array<double> vector (octave_idx_type n, double a = 1.0)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
147 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
148 return instance_ok () ? instance->do_vector (n, a) : Array<double> ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
149 }
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
150
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
151 // Return an array of numbers from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
152 static Array<float> float_vector (octave_idx_type n, float a = 1.0)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
153 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
154 return instance_ok () ? instance->do_float_vector (n, a) : Array<float> ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
155 }
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
156
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4308
diff changeset
157 // Return an N-dimensional array of numbers from the sequence,
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4308
diff changeset
158 // filled in column major order.
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
159 static NDArray nd_array (const dim_vector& dims, double a = 1.0)
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
160 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
161 return instance_ok () ? instance->do_nd_array (dims, a) : NDArray ();
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
162 }
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4308
diff changeset
163
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
164
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
165 // Return an N-dimensional array of numbers from the sequence,
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
166 // filled in column major order.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
167 static FloatNDArray float_nd_array (const dim_vector& dims, float a = 1.0)
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
168 {
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
169 return instance_ok () ? instance->do_float_nd_array (dims, a)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
170 : FloatNDArray ();
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
171 }
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
172
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
173 private:
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
174
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
175 static octave_rand *instance;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
176
13983
7dd7cccf0757 clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
177 static void cleanup_instance (void) { delete instance; instance = 0; }
7dd7cccf0757 clean up memory allocated for singletons before exit
John W. Eaton <jwe@octave.org>
parents: 11586
diff changeset
178
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
179 enum
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
180 {
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
181 unknown_dist,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
182 uniform_dist,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
183 normal_dist,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
184 expon_dist,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
185 poisson_dist,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
186 gamma_dist
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
187 };
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
188
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
189 // Current distribution of random numbers.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
190 int current_distribution;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
191
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
192 // If TRUE, use old RANLIB generators. Otherwise, use Mersenne
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
193 // Twister generator.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
194 bool use_old_generators;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
195
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
196 // Saved MT states.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
197 std::map<int, ColumnVector> rand_states;
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
198
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
199 // Return the current seed.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
200 double do_seed (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
201
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
202 // Set the seed.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
203 void do_seed (double s);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
204
10709
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
205 // Reset the seed.
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
206 void do_reset ();
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
207
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
208 // Return the current state.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
209 ColumnVector do_state (const std::string& d);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
210
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
211 // Set the current state/
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
212 void do_state (const ColumnVector &s, const std::string& d);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
213
10709
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
214 // Reset the current state/
92a85ed5b86e Don't special case color_property type when emitting factory default (bug #30118)
David Bateman <dbateman@free.fr>
parents: 10312
diff changeset
215 void do_reset (const std::string& d);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
216
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
217 // Return the current distribution.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
218 std::string do_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
219
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
220 // Set the current distribution. May be either "uniform" (the
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
221 // default), "normal", "exponential", "poisson", or "gamma".
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
222 void do_distribution (const std::string& d);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
223
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
224 void do_uniform_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
225
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
226 void do_normal_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
227
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
228 void do_exponential_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
229
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
230 void do_poisson_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
231
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
232 void do_gamma_distribution (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
233
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
234 // Return the next number from the sequence.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
235 double do_scalar (double a = 1.);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
236
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
237 // Return the next number from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
238 float do_float_scalar (float a = 1.);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
239
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
240 // Return an array of numbers from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
241 Array<double> do_vector (octave_idx_type n, double a = 1.);
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
242
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
243 // Return an array of numbers from the sequence.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
244 Array<float> do_float_vector (octave_idx_type n, float a = 1.);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
245
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
246 // Return an N-dimensional array of numbers from the sequence,
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
247 // filled in column major order.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
248 NDArray do_nd_array (const dim_vector& dims, double a = 1.);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
249
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
250 // Return an N-dimensional array of numbers from the sequence,
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
251 // filled in column major order.
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
252 FloatNDArray do_float_nd_array (const dim_vector& dims, float a = 1.);
7537
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
253
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
254 // Some helper functions.
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
255
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
256 void initialize_ranlib_generators (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
257
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
258 void initialize_mersenne_twister (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
259
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
260 ColumnVector get_internal_state (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
261
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
262 void save_state (void);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
263
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
264 int get_dist_id (const std::string& d);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
265
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
266 void set_internal_state (const ColumnVector& s);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
267
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
268 void switch_to_generator (int dist);
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
269
a2950622f070 make octave_rand a proper singleton class
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
270 void fill (octave_idx_type len, double *v, double a);
14655
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
271
43db83eff9db Implement single precision rand, randn, rande, randg and randp generators (bug #34351, #36293)
David Bateman <dbateman@free.fr>
parents: 14138
diff changeset
272 void fill (octave_idx_type len, float *v, float a);
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
273 };
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
274
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
275 #endif