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oct-rand.cc (get_dist_id): initialize retval
author John W. Eaton <jwe@octave.org>
date Tue, 26 Feb 2008 18:45:57 -0500
parents ff52243af934
children 4dda6fbc8ba6
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1 /*
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2
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3 Copyright (C) 2003, 2005, 2006, 2007 John W. Eaton
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include <map>
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28 #include <vector>
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29
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30 #include "f77-fcn.h"
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31 #include "lo-ieee.h"
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32 #include "lo-error.h"
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33 #include "lo-mappers.h"
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34 #include "oct-rand.h"
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35 #include "oct-time.h"
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36 #include "data-conv.h"
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37 #include "randmtzig.h"
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38 #include "randpoisson.h"
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39 #include "randgamma.h"
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40 #include "mach-info.h"
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41
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42 static const int unknown_dist = 0;
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43 static const int uniform_dist = 1;
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44 static const int normal_dist = 2;
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45 static const int expon_dist = 3;
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46 static const int poisson_dist = 4;
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47 static const int gamma_dist = 5;
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48
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49 // Current distribution of random numbers.
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50 static int current_distribution = uniform_dist;
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51
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52 // Has the seed/state been set yet?
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53 static bool old_initialized = false;
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54 static bool new_initialized = false;
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55 static bool use_old_generators = false;
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56
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57 std::map<int, ColumnVector> rand_states;
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58
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59 extern "C"
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60 {
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61 F77_RET_T
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62 F77_FUNC (dgennor, DGENNOR) (const double&, const double&, double&);
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63
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64 F77_RET_T
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65 F77_FUNC (dgenunf, DGENUNF) (const double&, const double&, double&);
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66
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67 F77_RET_T
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68 F77_FUNC (dgenexp, DGENEXP) (const double&, double&);
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69
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70 F77_RET_T
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71 F77_FUNC (dignpoi, DIGNPOI) (const double&, double&);
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72
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73 F77_RET_T
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74 F77_FUNC (dgengam, DGENGAM) (const double&, const double&, double&);
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75
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76 F77_RET_T
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77 F77_FUNC (setall, SETALL) (const octave_idx_type&, const octave_idx_type&);
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78
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79 F77_RET_T
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80 F77_FUNC (getsd, GETSD) (octave_idx_type&, octave_idx_type&);
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81
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82 F77_RET_T
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83 F77_FUNC (setsd, SETSD) (const octave_idx_type&, const octave_idx_type&);
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84
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85 F77_RET_T
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86 F77_FUNC (setcgn, SETCGN) (const octave_idx_type&);
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87 }
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88
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89 static octave_idx_type
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90 force_to_fit_range (octave_idx_type i, octave_idx_type lo, octave_idx_type hi)
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91 {
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92 assert (hi > lo && lo >= 0 && hi > lo);
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93
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94 i = i > 0 ? i : -i;
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95
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96 if (i < lo)
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97 i = lo;
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98 else if (i > hi)
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99 i = i % hi;
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100
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101 return i;
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102 }
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103
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104 // Make the random number generator give us a different sequence every
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105 // time we start octave unless we specifically set the seed. The
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106 // technique used below will cycle monthly, but it it does seem to
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107 // work ok to give fairly different seeds each time Octave starts.
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108
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109 static void
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110 do_old_initialization (void)
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111 {
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112 octave_localtime tm;
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113 int stored_distribution = current_distribution;
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114 F77_FUNC (setcgn, SETCGN) (uniform_dist);
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115
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116 int hour = tm.hour() + 1;
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117 int minute = tm.min() + 1;
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118 int second = tm.sec() + 1;
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119
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120 octave_idx_type s0 = tm.mday() * hour * minute * second;
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121 octave_idx_type s1 = hour * minute * second;
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122
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123 s0 = force_to_fit_range (s0, 1, 2147483563);
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124 s1 = force_to_fit_range (s1, 1, 2147483399);
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125
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126 F77_FUNC (setall, SETALL) (s0, s1);
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127 F77_FUNC (setcgn, SETCGN) (stored_distribution);
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128
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129 old_initialized = true;
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130 }
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131
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132 static ColumnVector
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133 get_internal_state (void)
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134 {
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135 ColumnVector s (MT_N + 1);
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136
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137 OCTAVE_LOCAL_BUFFER (uint32_t, tmp, MT_N + 1);
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138
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139 oct_get_state (tmp);
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140
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141 for (octave_idx_type i = 0; i <= MT_N; i++)
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142 s.elem (i) = static_cast<double> (tmp [i]);
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143
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144 return s;
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145 }
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146
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147 static inline void
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diff changeset
148 save_state (void)
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diff changeset
149 {
ff52243af934 save state separately for each MT random number generator
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diff changeset
150 rand_states[current_distribution] = get_internal_state ();;
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diff changeset
151 }
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152
ff52243af934 save state separately for each MT random number generator
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diff changeset
153 static void
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diff changeset
154 initialize_rand_states (void)
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155 {
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diff changeset
156 if (! new_initialized)
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157 {
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
158 oct_init_by_entropy ();
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diff changeset
159
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diff changeset
160 ColumnVector s = get_internal_state ();
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diff changeset
161
ff52243af934 save state separately for each MT random number generator
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diff changeset
162 rand_states[uniform_dist] = s;
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diff changeset
163 rand_states[normal_dist] = s;
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diff changeset
164 rand_states[expon_dist] = s;
ff52243af934 save state separately for each MT random number generator
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diff changeset
165 rand_states[poisson_dist] = s;
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diff changeset
166 rand_states[gamma_dist] = s;
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167
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diff changeset
168 new_initialized = true;
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169 }
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170 }
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171
4308
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diff changeset
172 static inline void
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173 maybe_initialize (void)
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174 {
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diff changeset
175 if (use_old_generators)
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jwe
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176 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
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diff changeset
177 if (! old_initialized)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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diff changeset
178 do_old_initialization ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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diff changeset
179 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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180 else
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181 {
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diff changeset
182 if (! new_initialized)
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diff changeset
183 initialize_rand_states ();
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184 }
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185 }
ff52243af934 save state separately for each MT random number generator
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186
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187 static int
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diff changeset
188 get_dist_id (const std::string& d)
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diff changeset
189 {
7535
bda16af4fd2f oct-rand.cc (get_dist_id): initialize retval
John W. Eaton <jwe@octave.org>
parents: 7533
diff changeset
190 int retval = unknown_dist;
7533
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191
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diff changeset
192 if (d == "uniform" || d == "rand")
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diff changeset
193 retval = uniform_dist;
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diff changeset
194 else if (d == "normal" || d == "randn")
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John W. Eaton <jwe@octave.org>
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diff changeset
195 retval = normal_dist;
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diff changeset
196 else if (d == "exponential" || d == "rande")
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diff changeset
197 retval = expon_dist;
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diff changeset
198 else if (d == "poisson" || d == "randp")
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diff changeset
199 retval = poisson_dist;
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diff changeset
200 else if (d == "gamma" || d == "rangd")
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
201 retval = gamma_dist;
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diff changeset
202 else
ff52243af934 save state separately for each MT random number generator
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diff changeset
203 (*current_liboctave_error_handler) ("rand: invalid distribution");
ff52243af934 save state separately for each MT random number generator
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diff changeset
204
ff52243af934 save state separately for each MT random number generator
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diff changeset
205 return retval;
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diff changeset
206 }
ff52243af934 save state separately for each MT random number generator
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diff changeset
207
ff52243af934 save state separately for each MT random number generator
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diff changeset
208 static void
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
209 set_internal_state (const ColumnVector& s)
ff52243af934 save state separately for each MT random number generator
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diff changeset
210 {
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
211 octave_idx_type len = s.length ();
ff52243af934 save state separately for each MT random number generator
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diff changeset
212 octave_idx_type n = len < MT_N + 1 ? len : MT_N + 1;
ff52243af934 save state separately for each MT random number generator
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diff changeset
213
ff52243af934 save state separately for each MT random number generator
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diff changeset
214 OCTAVE_LOCAL_BUFFER (uint32_t, tmp, MT_N + 1);
ff52243af934 save state separately for each MT random number generator
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diff changeset
215
ff52243af934 save state separately for each MT random number generator
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diff changeset
216 for (octave_idx_type i = 0; i < n; i++)
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
217 tmp[i] = static_cast<uint32_t> (s.elem(i));
ff52243af934 save state separately for each MT random number generator
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diff changeset
218
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
219 if (len == MT_N + 1 && tmp[MT_N] <= MT_N && tmp[MT_N] > 0)
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
220 oct_set_state (tmp);
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
221 else
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
222 oct_init_by_array (tmp, len);
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
223 }
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
224
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
225 static inline void
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
226 switch_to_generator (int dist)
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
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diff changeset
227 {
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
228 if (dist != current_distribution)
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
229 {
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
230 current_distribution = dist;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
231
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
232 set_internal_state (rand_states[dist]);
5730
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diff changeset
233 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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parents:
diff changeset
234 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
235
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
236 double
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
237 octave_rand::seed (void)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
238 {
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
239 if (! old_initialized)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
240 do_old_initialization ();
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
241
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 4552
diff changeset
242 union d2i { double d; octave_idx_type i[2]; };
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
243 union d2i u;
6435
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
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diff changeset
244
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
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diff changeset
245 oct_mach_info::float_format ff = oct_mach_info::native_float_format ();
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
246
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
247 switch (ff)
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
248 {
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
249 case oct_mach_info::flt_fmt_ieee_big_endian:
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
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diff changeset
250 F77_FUNC (getsd, GETSD) (u.i[1], u.i[0]);
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
251 break;
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
252 default:
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
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diff changeset
253 F77_FUNC (getsd, GETSD) (u.i[0], u.i[1]);
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
254 break;
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
255 }
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
256
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
257 return u.d;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
258 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
259
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
260 void
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
261 octave_rand::seed (double s)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
262 {
5730
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diff changeset
263 use_old_generators = true;
7533
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
264
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
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diff changeset
265 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
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diff changeset
266
6435
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diff changeset
267 int i0, i1;
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
268 union d2i { double d; octave_idx_type i[2]; };
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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parents:
diff changeset
269 union d2i u;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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diff changeset
270 u.d = s;
6435
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diff changeset
271
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
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diff changeset
272 oct_mach_info::float_format ff = oct_mach_info::native_float_format ();
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
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diff changeset
273
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
274 switch (ff)
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
275 {
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
276 case oct_mach_info::flt_fmt_ieee_big_endian:
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diff changeset
277 i1 = force_to_fit_range (u.i[0], 1, 2147483563);
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dbateman
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diff changeset
278 i0 = force_to_fit_range (u.i[1], 1, 2147483399);
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
279 break;
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
280 default:
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
281 i0 = force_to_fit_range (u.i[0], 1, 2147483563);
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
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diff changeset
282 i1 = force_to_fit_range (u.i[1], 1, 2147483399);
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
283 break;
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
parents: 6326
diff changeset
284 }
71888a0ab040 [project @ 2007-03-23 14:17:02 by dbateman]
dbateman
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diff changeset
285
4308
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diff changeset
286 F77_FUNC (setsd, SETSD) (i0, i1);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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parents:
diff changeset
287 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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diff changeset
288
5730
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diff changeset
289 ColumnVector
7533
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parents: 7017
diff changeset
290 octave_rand::state (const std::string& d)
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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parents: 5307
diff changeset
291 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
292 if (! new_initialized)
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
293 initialize_rand_states ();
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
294
7533
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
295 return rand_states[d.empty () ? current_distribution : get_dist_id (d)];
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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parents: 5307
diff changeset
296 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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parents: 5307
diff changeset
297
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
298 void
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
299 octave_rand::state (const ColumnVector& s, const std::string& d)
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
300 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
301 use_old_generators = false;
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parents: 7017
diff changeset
302
5730
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parents: 5307
diff changeset
303 maybe_initialize ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
304
7533
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parents: 7017
diff changeset
305 int old_dist = current_distribution;
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
306
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
307 int new_dist = d.empty () ? current_distribution : get_dist_id (d);
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
308
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
309 ColumnVector saved_state;
5730
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jwe
parents: 5307
diff changeset
310
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
311 if (old_dist != new_dist)
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
312 saved_state = get_internal_state ();
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
313
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
314 set_internal_state (s);
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
315
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
316 rand_states[new_dist] = get_internal_state ();
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
317
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
318 if (old_dist != new_dist)
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
319 rand_states[old_dist] = saved_state;
5730
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diff changeset
320 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
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parents: 5307
diff changeset
321
4308
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jwe
parents:
diff changeset
322 std::string
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
323 octave_rand::distribution (void)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
324 {
7533
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
325 std::string retval;
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
326
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
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diff changeset
327 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
328
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
329 switch (current_distribution)
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
330 {
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
331 case uniform_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
332 retval = "uniform";
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
333 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
334
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
335 case normal_dist:
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
336 retval = "normal";
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
337 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
338
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
339 case expon_dist:
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John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
340 retval = "exponential";
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
341 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
342
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
343 case poisson_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
344 retval = "poisson";
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
345 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
346
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
347 case gamma_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
348 retval = "gamma";
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
349 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
350
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
351 default:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
352 (*current_liboctave_error_handler) ("rand: invalid distribution");
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
353 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
354 }
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
355
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
356 return retval;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
357 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
358
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
359 void
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
360 octave_rand::distribution (const std::string& d)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
361 {
7533
ff52243af934 save state separately for each MT random number generator
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parents: 7017
diff changeset
362 switch (get_dist_id (d))
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
363 {
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
364 case uniform_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
365 octave_rand::uniform_distribution ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
366 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
367
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
368 case normal_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
369 octave_rand::normal_distribution ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
370 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
371
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
372 case expon_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
373 octave_rand::exponential_distribution ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
374 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
375
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
376 case poisson_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
377 octave_rand::poisson_distribution ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
378 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
379
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
380 case gamma_dist:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
381 octave_rand::gamma_distribution ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
382 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
383
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
384 default:
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
385 (*current_liboctave_error_handler) ("rand: invalid distribution");
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
386 break;
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
387 }
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
388 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
389
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
390 void
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
391 octave_rand::uniform_distribution (void)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
392 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
393 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
394
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
395 switch_to_generator (uniform_dist);
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
396
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
397 F77_FUNC (setcgn, SETCGN) (uniform_dist);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
398 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
399
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
400 void
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
401 octave_rand::normal_distribution (void)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
402 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
403 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
404
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
405 switch_to_generator (normal_dist);
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
406
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
407 F77_FUNC (setcgn, SETCGN) (normal_dist);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
408 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
409
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
410 void
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
411 octave_rand::exponential_distribution (void)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
412 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
413 maybe_initialize ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
414
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
415 switch_to_generator (expon_dist);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
416
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
417 F77_FUNC (setcgn, SETCGN) (expon_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
418 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
419
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
420 void
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
421 octave_rand::poisson_distribution (void)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
422 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
423 maybe_initialize ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
424
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
425 switch_to_generator (poisson_dist);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
426
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
427 F77_FUNC (setcgn, SETCGN) (poisson_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
428 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
429
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
430 void
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
431 octave_rand::gamma_distribution (void)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
432 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
433 maybe_initialize ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
434
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
435 switch_to_generator (gamma_dist);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
436
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
437 F77_FUNC (setcgn, SETCGN) (gamma_dist);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
438 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
439
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
440
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
441 double
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
442 octave_rand::scalar (double a)
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
443 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
444 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
445
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
446 double retval = 0.0;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
447
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
448 if (use_old_generators)
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
449 {
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
450 switch (current_distribution)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
451 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
452 case uniform_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
453 F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
454 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
455
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
456 case normal_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
457 F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
458 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
459
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
460 case expon_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
461 F77_FUNC (dgenexp, DGENEXP) (1.0, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
462 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
463
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
464 case poisson_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
465 if (a < 0.0 || xisnan(a) || xisinf(a))
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
466 retval = octave_NaN;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
467 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
468 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
469 // workaround bug in ignpoi, by calling with different Mu
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
470 F77_FUNC (dignpoi, DIGNPOI) (a + 1, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
471 F77_FUNC (dignpoi, DIGNPOI) (a, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
472 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
473 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
474
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
475 case gamma_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
476 if (a <= 0.0 || xisnan(a) || xisinf(a))
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
477 retval = octave_NaN;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
478 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
479 F77_FUNC (dgengam, DGENGAM) (1.0, a, retval);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
480 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
481
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
482 default:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
483 (*current_liboctave_error_handler) ("rand: invalid distribution");
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
484 break;
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
485 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
486 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
487 else
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
488 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
489 switch (current_distribution)
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
490 {
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
491 case uniform_dist:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
492 retval = oct_randu ();
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
493 break;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
494
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
495 case normal_dist:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
496 retval = oct_randn ();
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
497 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
498
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
499 case expon_dist:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
500 retval = oct_rande ();
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
501 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
502
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
503 case poisson_dist:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
504 retval = oct_randp (a);
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
505 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
506
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
507 case gamma_dist:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
508 retval = oct_randg (a);
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
509 break;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
510
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
511 default:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
512 (*current_liboctave_error_handler) ("rand: invalid distribution");
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
513 break;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
514 }
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
515
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
516 save_state ();
4543
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
517 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
518
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
519 return retval;
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
520 }
79df15d4470c [project @ 2003-10-18 03:53:52 by jwe]
jwe
parents: 4415
diff changeset
521
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
522 #define MAKE_RAND(len) \
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
523 do \
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
524 { \
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
525 double val; \
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
526 for (volatile octave_idx_type i = 0; i < len; i++) \
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
527 { \
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
528 OCTAVE_QUIT; \
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
529 RAND_FUNC (val); \
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
530 v[i] = val; \
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
531 } \
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
532 } \
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
533 while (0)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
534
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
535 static void
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
536 fill_rand (octave_idx_type len, double *v, double a)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
537 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
538 maybe_initialize ();
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
539
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
540 if (len < 1)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
541 return;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
542
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
543 switch (current_distribution)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
544 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
545 case uniform_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
546 if (use_old_generators)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
547 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
548 #define RAND_FUNC(x) F77_FUNC (dgenunf, DGENUNF) (0.0, 1.0, x)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
549 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
550 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
551 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
552 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
553 oct_fill_randu (len, v);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
554 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
555
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
556 case normal_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
557 if (use_old_generators)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
558 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
559 #define RAND_FUNC(x) F77_FUNC (dgennor, DGENNOR) (0.0, 1.0, x)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
560 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
561 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
562 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
563 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
564 oct_fill_randn (len, v);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
565 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
566
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
567 case expon_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
568 if (use_old_generators)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
569 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
570 #define RAND_FUNC(x) F77_FUNC (dgenexp, DGENEXP) (1.0, x)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
571 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
572 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
573 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
574 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
575 oct_fill_rande (len, v);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
576 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
577
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
578 case poisson_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
579 if (use_old_generators)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
580 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
581 if (a < 0.0 || xisnan(a) || xisinf(a))
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
582 #define RAND_FUNC(x) x = octave_NaN;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
583 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
584 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
585 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
586 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
587 // workaround bug in ignpoi, by calling with different Mu
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
588 double tmp;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
589 F77_FUNC (dignpoi, DIGNPOI) (a + 1, tmp);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
590 #define RAND_FUNC(x) F77_FUNC (dignpoi, DIGNPOI) (a, x)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
591 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
592 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
593 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
594 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
595 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
596 oct_fill_randp (a, len, v);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
597 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
598
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
599 case gamma_dist:
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
600 if (use_old_generators)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
601 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
602 if (a <= 0.0 || xisnan(a) || xisinf(a))
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
603 #define RAND_FUNC(x) x = octave_NaN;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
604 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
605 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
606 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
607 #define RAND_FUNC(x) F77_FUNC (dgengam, DGENGAM) (1.0, a, x)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
608 MAKE_RAND (len);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
609 #undef RAND_FUNC
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
610 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
611 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
612 oct_fill_randg (a, len, v);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
613 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
614
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
615 default:
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
616 (*current_liboctave_error_handler) ("rand: invalid distribution");
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
617 break;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
618 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
619
7533
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
620 save_state ();
ff52243af934 save state separately for each MT random number generator
John W. Eaton <jwe@octave.org>
parents: 7017
diff changeset
621
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
622 return;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
623 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
624
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
625 Matrix
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
626 octave_rand::matrix (octave_idx_type n, octave_idx_type m, double a)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
627 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
628 Matrix retval;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
629
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
630 if (n >= 0 && m >= 0)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
631 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
632 retval.resize (n, m);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
633
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
634 if (n > 0 && m > 0)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
635 fill_rand (retval.capacity(), retval.fortran_vec(), a);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
636 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
637 else
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
638 (*current_liboctave_error_handler) ("rand: invalid negative argument");
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
639
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
640 return retval;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
641 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
642
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
643 NDArray
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
644 octave_rand::nd_array (const dim_vector& dims, double a)
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
645 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
646 NDArray retval;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
647
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
648 if (! dims.all_zero ())
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
649 {
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
650 retval.resize (dims);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
651
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
652 fill_rand (retval.capacity(), retval.fortran_vec(), a);
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
653 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
654
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
655 return retval;
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
656 }
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
657
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
658 Array<double>
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
659 octave_rand::vector (octave_idx_type n, double a)
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
660 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
661 maybe_initialize ();
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
662
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
663 Array<double> retval;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
664
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
665 if (n > 0)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
666 {
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
667 retval.resize (n);
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
668
5730
109fdf7b3dcb [project @ 2006-04-03 19:18:26 by jwe]
jwe
parents: 5307
diff changeset
669 fill_rand (retval.capacity(), retval.fortran_vec(), a);
4308
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
670 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
671 else if (n < 0)
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
672 (*current_liboctave_error_handler) ("rand: invalid negative argument");
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
673
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
674 return retval;
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
675 }
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
676
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
677 /*
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
678 ;;; Local Variables: ***
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
679 ;;; mode: C++ ***
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
680 ;;; End: ***
b738d1a02adb [project @ 2003-01-24 19:37:12 by jwe]
jwe
parents:
diff changeset
681 */