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1 // g-builtins.cc -*- C++ -*- |
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2 /* |
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3 |
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272
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4 Copyright (C) 1992, 1993, 1994 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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24 /* |
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25 |
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26 The function builtin_pwd adapted from a similar function from GNU |
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27 Bash, the Bourne Again SHell, copyright (C) 1987, 1989, 1991 Free |
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28 Software Foundation, Inc. |
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29 |
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30 */ |
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31 |
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240
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32 #ifdef HAVE_CONFIG_H |
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33 #include "config.h" |
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34 #endif |
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35 |
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36 #include <sys/types.h> |
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37 #ifdef HAVE_UNISTD_H |
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38 #include <unistd.h> |
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39 #endif |
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40 #include <strstream.h> |
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41 #include <iostream.h> |
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42 #include <fstream.h> |
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43 #include <stdio.h> |
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44 #include <sys/wait.h> |
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45 #include <sys/param.h> |
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46 #include <signal.h> |
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47 #include <math.h> |
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48 |
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35
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49 #include "f-balance.h" |
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181
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50 #include "f-chol.h" |
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9
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51 #include "f-colloc.h" |
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52 #include "f-dassl.h" |
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53 #include "f-det.h" |
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54 #include "f-eig.h" |
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51
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55 #include "f-expm.h" |
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9
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56 #include "f-fft.h" |
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57 #include "f-fsolve.h" |
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58 #include "f-fsqp.h" |
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35
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59 #include "f-givens.h" |
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9
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60 #include "f-hess.h" |
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61 #include "f-ifft.h" |
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62 #include "f-inv.h" |
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63 #include "f-lpsolve.h" |
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64 #include "f-lsode.h" |
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65 #include "f-lu.h" |
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66 #include "f-npsol.h" |
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67 #include "f-qpsol.h" |
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68 #include "f-qr.h" |
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69 #include "f-quad.h" |
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46
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70 #include "f-qzval.h" |
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9
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71 #include "f-rand.h" |
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72 #include "f-schur.h" |
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73 #include "f-svd.h" |
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38
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74 #include "f-syl.h" |
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75 |
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290
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76 #include "sighandlers.h" |
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77 #include "procstream.h" |
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78 #include "error.h" |
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79 #include "variables.h" |
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80 #include "builtins.h" |
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81 #include "g-builtins.h" |
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82 #include "user-prefs.h" |
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83 #include "utils.h" |
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84 #include "tree.h" |
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9
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85 #include "tree-const.h" |
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86 #include "input.h" |
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87 #include "pager.h" |
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88 #include "octave.h" |
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89 #include "version.h" |
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90 #include "file-io.h" |
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91 |
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92 extern "C" |
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93 { |
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94 #include <readline/readline.h> |
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95 |
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96 extern char *term_clrpag; |
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97 extern void _rl_output_character_function (); |
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98 } |
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99 |
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100 #ifndef MAXPATHLEN |
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101 #define MAXPATHLEN 1024 |
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102 #endif |
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103 |
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104 #ifdef WITH_DLD |
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105 #include "dynamic-ld.h" |
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106 #define Q_STR(name) #name |
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107 #define DLD_FCN(name) Q_STR (builtin_##name##_2) |
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108 #define DLD_OBJ(name) Q_STR (f-##name##.o) |
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109 #define DLD_BUILTIN(args,n_out,name,code) \ |
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110 return octave_dld_tc2_and_go (args, n_out, Q_STR (name), \ |
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111 DLD_FCN (name), DLD_OBJ (name)); |
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112 |
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113 #else |
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114 #define DLD_BUILTIN(name,args,n_out,code) code |
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115 #endif |
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116 |
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117 // Non-zero means that pwd always give verbatim directory, regardless |
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118 // of symbolic link following. |
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119 static int verbatim_pwd = 1; |
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120 |
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121 /* |
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122 * Are all elements of a constant nonzero? |
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123 */ |
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501
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124 Octave_object |
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506
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125 builtin_all (const Octave_object& args, int nargout) |
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126 { |
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501
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127 Octave_object retval; |
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181
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128 |
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129 int nargin = args.length (); |
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130 |
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131 if (nargin != 2) |
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181
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132 print_usage ("all"); |
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133 else |
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134 { |
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135 if (nargin > 0 && args(1).is_defined ()) |
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136 { |
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501
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137 retval.resize (1); |
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138 retval(0) = args(1).all (); |
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139 } |
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140 } |
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141 |
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142 return retval; |
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143 } |
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144 |
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145 /* |
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146 * Are any elements of a constant nonzero? |
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147 */ |
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501
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148 Octave_object |
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506
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149 builtin_any (const Octave_object& args, int nargout) |
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150 { |
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501
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151 Octave_object retval; |
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181
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152 |
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153 int nargin = args.length (); |
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154 |
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155 if (nargin != 2) |
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181
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156 print_usage ("any"); |
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157 else |
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158 { |
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159 if (nargin > 0 && args(1).is_defined ()) |
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160 { |
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161 retval.resize (1); |
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162 retval(0) = args(1).any (); |
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163 } |
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164 } |
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165 |
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166 return retval; |
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167 } |
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168 |
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169 /* |
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170 * Balancing for eigenvalue problems |
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171 */ |
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501
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172 Octave_object |
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506
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173 builtin_balance (const Octave_object& args, int nargout) |
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174 { |
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501
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175 Octave_object retval; |
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181
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176 |
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506
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177 int nargin = args.length (); |
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178 |
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501
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179 if (nargin <= 1 || nargin > 4 || nargout < 0 || nargout > 4) |
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181
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180 print_usage ("balance"); |
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181 else |
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182 { |
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183 DLD_BUILTIN (args, nargout, balance, |
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184 retval = balance (args, nargout)); |
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185 } |
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181
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186 |
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187 return retval; |
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188 } |
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189 |
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190 /* |
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191 * Cholesky factorization. |
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192 */ |
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501
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193 Octave_object |
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506
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194 builtin_chol (const Octave_object& args, int nargout) |
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181
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195 { |
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501
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196 Octave_object retval; |
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181
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197 |
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506
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198 int nargin = args.length (); |
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199 |
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501
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200 if (nargin == 2 && (nargout == 0 || nargout == 1)) |
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201 DLD_BUILTIN (args, nargout, chol, |
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501
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202 { |
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203 retval.resize (1); |
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204 retval(0) = chol (args(1)); |
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205 }) |
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181
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206 else |
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207 usage ("R = chol(A) \n"); |
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208 |
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209 return retval; |
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210 } |
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211 |
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212 /* |
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213 * Clear the screen? |
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214 */ |
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501
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215 Octave_object |
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506
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216 builtin_clc (const Octave_object& args, int nargout) |
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217 { |
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501
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218 Octave_object retval; |
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219 |
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220 rl_beg_of_line (); |
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221 rl_kill_line (1); |
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222 |
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223 #if ! defined (_GO32_) |
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224 if (term_clrpag) |
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225 tputs (term_clrpag, 1, _rl_output_character_function); |
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226 else |
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227 crlf (); |
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228 #else |
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229 crlf (); |
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230 #endif |
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231 |
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232 fflush (rl_outstream); |
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233 |
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234 return retval; |
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235 } |
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236 |
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237 /* |
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238 * Time in a vector. |
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239 */ |
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501
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240 Octave_object |
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241 builtin_clock (const Octave_object& args, int nargout) |
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242 { |
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501
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243 Octave_object retval; |
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244 |
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245 time_t now; |
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246 struct tm *tm; |
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247 |
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248 time (&now); |
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249 tm = localtime (&now); |
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250 |
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251 Matrix m (1, 6); |
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252 m.elem (0, 0) = tm->tm_year + 1900; |
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253 m.elem (0, 1) = tm->tm_mon + 1; |
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254 m.elem (0, 2) = tm->tm_mday; |
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255 m.elem (0, 3) = tm->tm_hour; |
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256 m.elem (0, 4) = tm->tm_min; |
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257 m.elem (0, 5) = tm->tm_sec; |
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258 |
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501
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259 retval.resize (1); |
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260 retval(0) = tree_constant (m); |
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261 |
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262 return retval; |
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263 } |
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264 |
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265 /* |
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266 * Close the stream to the plotter. |
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267 */ |
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501
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268 Octave_object |
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269 builtin_closeplot (const Octave_object& args, int nargout) |
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270 { |
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501
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271 Octave_object retval; |
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272 close_plot_stream (); |
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273 return retval; |
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274 } |
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275 |
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276 /* |
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277 * Collocation roots and weights. |
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278 */ |
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501
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279 Octave_object |
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280 builtin_colloc (const Octave_object& args, int nargout) |
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281 { |
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501
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282 Octave_object retval; |
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283 |
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506
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284 int nargin = args.length (); |
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285 |
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286 if (nargin < 2 || nargin > 4) |
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287 print_usage ("colloc"); |
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288 else |
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289 DLD_BUILTIN (args, nargout, colloc, |
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290 retval = collocation_weights (args);) |
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291 |
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292 return retval; |
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293 } |
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294 |
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295 /* |
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296 * Cumulative sums and products. |
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297 */ |
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501
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298 Octave_object |
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299 builtin_cumprod (const Octave_object& args, int nargout) |
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300 { |
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501
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301 Octave_object retval; |
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181
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302 |
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506
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303 int nargin = args.length (); |
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304 |
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1
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305 if (nargin != 2) |
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181
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306 print_usage ("cumprod"); |
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307 else |
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308 { |
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506
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309 if (nargin > 0 && args(1).is_defined ()) |
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310 { |
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501
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311 retval.resize (1); |
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312 retval(0) = args(1).cumprod (); |
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313 } |
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314 } |
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181
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315 |
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316 return retval; |
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317 } |
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318 |
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501
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319 Octave_object |
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506
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320 builtin_cumsum (const Octave_object& args, int nargout) |
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1
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321 { |
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501
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322 Octave_object retval; |
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181
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323 |
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506
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324 int nargin = args.length (); |
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325 |
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1
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326 if (nargin != 2) |
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181
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327 print_usage ("cumsum"); |
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1
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328 else |
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329 { |
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506
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330 if (nargin > 0 && args(1).is_defined ()) |
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1
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331 { |
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501
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332 retval.resize (1); |
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333 retval(0) = args(1).cumsum (); |
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1
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334 } |
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335 } |
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181
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336 |
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1
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337 return retval; |
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338 } |
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339 |
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340 /* |
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341 * DAEs. |
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342 */ |
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501
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343 Octave_object |
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506
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344 builtin_dassl (const Octave_object& args, int nargout) |
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1
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345 { |
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501
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346 Octave_object retval; |
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347 |
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506
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348 int nargin = args.length (); |
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349 |
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501
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350 if ((nargin == 5 || nargin == 6) && nargout >= 0) |
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506
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351 DLD_BUILTIN (args, nargout, dassl, |
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352 retval = dassl (args, nargout);) |
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1
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353 else |
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181
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354 print_usage ("dassl"); |
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355 |
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356 return retval; |
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357 } |
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358 |
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501
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359 Octave_object |
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506
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360 builtin_dassl_options (const Octave_object& args, int nargout) |
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272
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361 { |
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501
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362 Octave_object retval; |
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272
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363 |
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506
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364 DLD_BUILTIN (args, nargout, dassl_options, |
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365 retval = dassl_options (args, nargout);) |
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272
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366 |
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367 return retval; |
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368 } |
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369 |
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1
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370 /* |
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371 * Time in a string. |
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372 */ |
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501
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373 Octave_object |
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506
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374 builtin_date (const Octave_object& args, int nargout) |
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1
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375 { |
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501
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376 Octave_object retval; |
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377 |
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378 time_t now; |
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379 struct tm *tm; |
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380 |
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381 time (&now); |
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382 tm = localtime (&now); |
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383 char date[32]; |
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384 int len = strftime (date, 31, "%d-%b-%y", tm); |
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385 if (len > 0) |
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386 { |
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501
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387 retval.resize (1); |
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388 retval(0) = tree_constant (date); |
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1
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389 } |
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390 |
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391 return retval; |
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392 } |
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393 |
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394 /* |
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395 * Determinant of a matrix. |
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396 */ |
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501
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397 Octave_object |
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506
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398 builtin_det (const Octave_object& args, int nargout) |
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1
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399 { |
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501
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400 Octave_object retval; |
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1
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401 |
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506
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402 int nargin = args.length (); |
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403 |
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1
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404 if (nargin == 2) |
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506
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405 DLD_BUILTIN (args, nargout, det, |
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1
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406 { |
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501
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407 retval.resize (1); |
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408 retval(0) = determinant (args(1)); |
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1
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409 }) |
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410 else |
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181
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411 print_usage ("det"); |
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1
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412 |
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413 return retval; |
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414 } |
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415 |
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416 /* |
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417 * Diagonal elements of a matrix. |
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418 */ |
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501
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419 Octave_object |
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506
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420 builtin_diag (const Octave_object& args, int nargout) |
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1
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421 { |
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501
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422 Octave_object retval; |
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1
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423 |
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506
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424 int nargin = args.length (); |
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425 |
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1
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426 if (nargin == 2) |
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427 { |
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501
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428 retval.resize (1); |
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429 retval(0) = args(1).diag (); |
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1
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430 } |
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431 else if (nargin == 3) |
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432 { |
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501
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433 retval.resize (1); |
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434 retval(0) = args(1).diag (args(2)); |
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1
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435 } |
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436 else |
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181
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437 print_usage ("diag"); |
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1
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438 |
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439 return retval; |
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440 } |
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441 |
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442 /* |
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443 * Display value without trimmings. |
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444 */ |
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501
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445 Octave_object |
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506
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446 builtin_disp (const Octave_object& args, int nargout) |
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1
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447 { |
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501
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448 Octave_object retval; |
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1
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449 |
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506
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450 int nargin = args.length (); |
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451 |
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1
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452 if (nargin == 2) |
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501
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453 args(1).eval (1); |
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1
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454 else |
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181
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455 print_usage ("disp"); |
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1
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456 |
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457 return retval; |
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458 } |
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459 |
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460 /* |
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461 * Compute eigenvalues and eigenvectors. |
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462 */ |
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501
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463 Octave_object |
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506
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464 builtin_eig (const Octave_object& args, int nargout) |
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1
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465 { |
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501
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466 Octave_object retval; |
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1
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467 |
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506
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468 int nargin = args.length (); |
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469 |
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501
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470 if (nargin == 2 && (nargout == 0 || nargout == 1 || nargout == 2)) |
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506
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471 DLD_BUILTIN (args, nargout, eig, |
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472 retval = eig (args, nargout);) |
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1
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473 else |
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181
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474 print_usage ("eig"); |
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1
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475 |
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476 return retval; |
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477 } |
|
|
478 |
|
|
479 /* |
|
191
|
480 * Print error message and set the error state. This should |
|
|
481 * eventually take us up to the top level, possibly printing traceback |
|
|
482 * messages as we go. |
|
1
|
483 */ |
|
501
|
484 Octave_object |
|
506
|
485 builtin_error (const Octave_object& args, int nargout) |
|
1
|
486 { |
|
501
|
487 Octave_object retval; |
|
1
|
488 |
|
191
|
489 char *msg = "unspecified_error"; |
|
1
|
490 |
|
506
|
491 int nargin = args.length (); |
|
|
492 |
|
|
493 if (nargin == 2 && args(1).is_defined ()) |
|
191
|
494 { |
|
501
|
495 if (args(1).is_string_type ()) |
|
390
|
496 { |
|
501
|
497 msg = args(1).string_value (); |
|
390
|
498 |
|
|
499 if (msg == (char *) NULL || *msg == '\0') |
|
|
500 return retval; |
|
|
501 } |
|
501
|
502 else if (args(1).is_empty ()) |
|
390
|
503 { |
|
|
504 return retval; |
|
|
505 } |
|
191
|
506 } |
|
|
507 |
|
|
508 error (msg); |
|
1
|
509 |
|
|
510 return retval; |
|
|
511 } |
|
|
512 |
|
|
513 /* |
|
|
514 * Evaluate text argument as octave source. |
|
|
515 */ |
|
501
|
516 Octave_object |
|
506
|
517 builtin_eval (const Octave_object& args, int nargout) |
|
1
|
518 { |
|
501
|
519 Octave_object retval; |
|
181
|
520 |
|
506
|
521 int nargin = args.length (); |
|
|
522 |
|
1
|
523 if (nargin == 2) |
|
|
524 { |
|
|
525 int parse_status = 0; |
|
501
|
526 retval.resize (1); |
|
|
527 retval(0) = eval_string (args(1), parse_status); |
|
1
|
528 } |
|
|
529 else |
|
181
|
530 print_usage ("eval"); |
|
|
531 |
|
1
|
532 return retval; |
|
|
533 } |
|
|
534 |
|
|
535 /* |
|
|
536 * Check if variable or file exists. |
|
|
537 */ |
|
501
|
538 Octave_object |
|
506
|
539 builtin_exist (const Octave_object& args, int nargout) |
|
1
|
540 { |
|
501
|
541 Octave_object retval; |
|
181
|
542 |
|
506
|
543 int nargin = args.length (); |
|
|
544 |
|
501
|
545 if (nargin == 2 && args(1).is_string_type ()) |
|
1
|
546 { |
|
501
|
547 int status = identifier_exists (args(1).string_value ()); |
|
|
548 retval.resize (1); |
|
|
549 retval(0) = tree_constant ((double) status); |
|
1
|
550 } |
|
|
551 else |
|
181
|
552 print_usage ("exist"); |
|
|
553 |
|
1
|
554 return retval; |
|
|
555 } |
|
|
556 |
|
|
557 /* |
|
|
558 * Matrix exponential. |
|
|
559 */ |
|
501
|
560 Octave_object |
|
506
|
561 builtin_expm (const Octave_object& args, int nargout) |
|
1
|
562 { |
|
501
|
563 Octave_object retval; |
|
1
|
564 |
|
506
|
565 int nargin = args.length (); |
|
|
566 |
|
1
|
567 if (nargin == 2) |
|
506
|
568 DLD_BUILTIN (args, nargout, matrix_exp, |
|
51
|
569 { |
|
501
|
570 retval.resize (1); |
|
|
571 retval(0) = matrix_exp (args(1)); |
|
51
|
572 }) |
|
1
|
573 else |
|
181
|
574 print_usage ("expm"); |
|
1
|
575 |
|
|
576 return retval; |
|
|
577 } |
|
|
578 |
|
|
579 /* |
|
|
580 * Identity matrix. |
|
|
581 */ |
|
501
|
582 Octave_object |
|
506
|
583 builtin_eye (const Octave_object& args, int nargout) |
|
1
|
584 { |
|
501
|
585 Octave_object retval; |
|
1
|
586 |
|
506
|
587 int nargin = args.length (); |
|
|
588 |
|
1
|
589 switch (nargin) |
|
|
590 { |
|
|
591 case 2: |
|
501
|
592 retval.resize (1); |
|
|
593 retval(0) = identity_matrix (args(1)); |
|
1
|
594 break; |
|
|
595 case 3: |
|
501
|
596 retval.resize (1); |
|
|
597 retval(0) = identity_matrix (args(1), args(2)); |
|
1
|
598 break; |
|
|
599 default: |
|
181
|
600 print_usage ("eye"); |
|
1
|
601 break; |
|
|
602 } |
|
181
|
603 |
|
1
|
604 return retval; |
|
|
605 } |
|
|
606 |
|
|
607 /* |
|
|
608 * Closing a file |
|
|
609 */ |
|
501
|
610 Octave_object |
|
506
|
611 builtin_fclose (const Octave_object& args, int nargout) |
|
1
|
612 { |
|
501
|
613 Octave_object retval; |
|
181
|
614 |
|
506
|
615 int nargin = args.length (); |
|
|
616 |
|
1
|
617 if (nargin != 2) |
|
181
|
618 print_usage ("fclose"); |
|
1
|
619 else |
|
|
620 retval = fclose_internal (args); |
|
181
|
621 |
|
1
|
622 return retval; |
|
|
623 } |
|
|
624 |
|
|
625 /* |
|
444
|
626 * Check file for EOF condition. |
|
|
627 */ |
|
501
|
628 Octave_object |
|
506
|
629 builtin_feof (const Octave_object& args, int nargout) |
|
444
|
630 { |
|
501
|
631 Octave_object retval; |
|
444
|
632 |
|
506
|
633 int nargin = args.length (); |
|
|
634 |
|
469
|
635 if (nargin != 2) |
|
444
|
636 print_usage ("feof"); |
|
|
637 else |
|
506
|
638 retval = feof_internal (args, nargout); |
|
444
|
639 |
|
|
640 return retval; |
|
|
641 } |
|
|
642 |
|
|
643 /* |
|
|
644 * Check file for error condition. |
|
|
645 */ |
|
501
|
646 Octave_object |
|
506
|
647 builtin_ferror (const Octave_object& args, int nargout) |
|
444
|
648 { |
|
501
|
649 Octave_object retval; |
|
444
|
650 |
|
506
|
651 int nargin = args.length (); |
|
|
652 |
|
469
|
653 if (nargin != 2) |
|
444
|
654 print_usage ("ferror"); |
|
|
655 else |
|
506
|
656 retval = ferror_internal (args, nargout); |
|
444
|
657 |
|
|
658 return retval; |
|
|
659 } |
|
|
660 |
|
|
661 /* |
|
1
|
662 * Evaluate first argument as a function. |
|
|
663 */ |
|
501
|
664 Octave_object |
|
506
|
665 builtin_feval (const Octave_object& args, int nargout) |
|
1
|
666 { |
|
501
|
667 Octave_object retval; |
|
181
|
668 |
|
506
|
669 int nargin = args.length (); |
|
|
670 |
|
1
|
671 if (nargin > 1) |
|
506
|
672 retval = feval (args, nargout); |
|
1
|
673 else |
|
181
|
674 print_usage ("feval"); |
|
|
675 |
|
1
|
676 return retval; |
|
|
677 } |
|
|
678 |
|
|
679 /* |
|
444
|
680 * Flushing output to a file. |
|
1
|
681 */ |
|
501
|
682 Octave_object |
|
506
|
683 builtin_fflush (const Octave_object& args, int nargout) |
|
1
|
684 { |
|
501
|
685 Octave_object retval; |
|
181
|
686 |
|
506
|
687 int nargin = args.length (); |
|
|
688 |
|
1
|
689 if (nargin != 2) |
|
181
|
690 print_usage ("fflush"); |
|
1
|
691 else |
|
|
692 retval = fflush_internal (args); |
|
181
|
693 |
|
1
|
694 return retval; |
|
|
695 } |
|
|
696 |
|
|
697 /* |
|
444
|
698 * Fast Fourier Transform. |
|
1
|
699 */ |
|
501
|
700 Octave_object |
|
506
|
701 builtin_fft (const Octave_object& args, int nargout) |
|
1
|
702 { |
|
501
|
703 Octave_object retval; |
|
1
|
704 |
|
506
|
705 int nargin = args.length (); |
|
|
706 |
|
1
|
707 if (nargin == 2) |
|
506
|
708 DLD_BUILTIN (args, nargout, fft, |
|
1
|
709 { |
|
501
|
710 retval.resize (1); |
|
|
711 retval(0) = fft (args(1)); |
|
1
|
712 }) |
|
|
713 else |
|
181
|
714 print_usage ("fft"); |
|
1
|
715 |
|
|
716 return retval; |
|
|
717 } |
|
|
718 |
|
|
719 /* |
|
444
|
720 * Get a string from a file. |
|
1
|
721 */ |
|
501
|
722 Octave_object |
|
506
|
723 builtin_fgets (const Octave_object& args, int nargout) |
|
1
|
724 { |
|
501
|
725 Octave_object retval; |
|
181
|
726 |
|
506
|
727 int nargin = args.length (); |
|
|
728 |
|
501
|
729 if (nargin != 3) |
|
181
|
730 print_usage ("fgets"); |
|
1
|
731 else |
|
|
732 retval = fgets_internal (args, nargout); |
|
181
|
733 |
|
1
|
734 return retval; |
|
|
735 } |
|
|
736 |
|
|
737 /* |
|
|
738 * Find nonzero elements. This should probably only work if |
|
|
739 * do_fortran_indexing is true... |
|
|
740 */ |
|
501
|
741 Octave_object |
|
506
|
742 builtin_find (const Octave_object& args, int nargout) |
|
1
|
743 { |
|
501
|
744 Octave_object retval; |
|
181
|
745 |
|
506
|
746 int nargin = args.length (); |
|
|
747 |
|
511
|
748 if (nargin == 2 && nargout < 4) |
|
|
749 retval = find_nonzero_elem_idx (args(1), nargout); |
|
1
|
750 else |
|
181
|
751 print_usage ("find"); |
|
|
752 |
|
1
|
753 return retval; |
|
|
754 } |
|
|
755 |
|
|
756 /* |
|
|
757 * Don\'t really count floating point operations. |
|
|
758 */ |
|
501
|
759 Octave_object |
|
506
|
760 builtin_flops (const Octave_object& args, int nargout) |
|
1
|
761 { |
|
501
|
762 Octave_object retval; |
|
181
|
763 |
|
506
|
764 int nargin = args.length (); |
|
|
765 |
|
1
|
766 if (nargin > 2) |
|
181
|
767 print_usage ("flops"); |
|
1
|
768 |
|
|
769 warning ("flops always returns zero"); |
|
181
|
770 |
|
501
|
771 retval.resize (1); |
|
|
772 retval(0) = tree_constant (0.0); |
|
181
|
773 |
|
1
|
774 return retval; |
|
|
775 } |
|
|
776 |
|
|
777 /* |
|
|
778 * Opening a file. |
|
|
779 */ |
|
501
|
780 Octave_object |
|
506
|
781 builtin_fopen (const Octave_object& args, int nargout) |
|
1
|
782 { |
|
501
|
783 Octave_object retval; |
|
181
|
784 |
|
506
|
785 int nargin = args.length (); |
|
|
786 |
|
1
|
787 if (nargin != 3) |
|
181
|
788 print_usage ("fopen"); |
|
1
|
789 else |
|
|
790 retval = fopen_internal (args); |
|
181
|
791 |
|
1
|
792 return retval; |
|
|
793 } |
|
|
794 |
|
|
795 /* |
|
|
796 * Formatted printing to a file. |
|
|
797 */ |
|
501
|
798 Octave_object |
|
506
|
799 builtin_fprintf (const Octave_object& args, int nargout) |
|
1
|
800 { |
|
501
|
801 Octave_object retval; |
|
181
|
802 |
|
506
|
803 int nargin = args.length (); |
|
|
804 |
|
1
|
805 if (nargin < 3) |
|
181
|
806 print_usage ("fprintf"); |
|
1
|
807 else |
|
506
|
808 retval = do_printf ("fprintf", args, nargout); |
|
181
|
809 |
|
1
|
810 return retval; |
|
|
811 } |
|
|
812 |
|
|
813 /* |
|
444
|
814 * Read binary data from a file. |
|
|
815 */ |
|
501
|
816 Octave_object |
|
506
|
817 builtin_fread (const Octave_object& args, int nargout) |
|
444
|
818 { |
|
501
|
819 Octave_object retval; |
|
444
|
820 |
|
506
|
821 int nargin = args.length (); |
|
|
822 |
|
469
|
823 if (nargin < 2 || nargin > 4) |
|
444
|
824 print_usage ("fread"); |
|
|
825 else |
|
506
|
826 retval = fread_internal (args, nargout); |
|
444
|
827 |
|
|
828 return retval; |
|
|
829 } |
|
|
830 |
|
|
831 /* |
|
|
832 * Rewind a file. |
|
1
|
833 */ |
|
501
|
834 Octave_object |
|
506
|
835 builtin_frewind (const Octave_object& args, int nargout) |
|
1
|
836 { |
|
501
|
837 Octave_object retval; |
|
181
|
838 |
|
506
|
839 int nargin = args.length (); |
|
|
840 |
|
1
|
841 if (nargin != 2) |
|
181
|
842 print_usage ("frewind"); |
|
1
|
843 else |
|
|
844 retval = frewind_internal (args); |
|
181
|
845 |
|
1
|
846 return retval; |
|
|
847 } |
|
|
848 |
|
|
849 /* |
|
444
|
850 * Report on open files. |
|
1
|
851 */ |
|
501
|
852 Octave_object |
|
506
|
853 builtin_freport (const Octave_object& args, int nargout) |
|
1
|
854 { |
|
501
|
855 Octave_object retval; |
|
181
|
856 |
|
506
|
857 int nargin = args.length (); |
|
|
858 |
|
1
|
859 if (nargin > 1) |
|
181
|
860 warning ("freport: ignoring extra arguments"); |
|
|
861 |
|
1
|
862 retval = freport_internal (); |
|
181
|
863 |
|
1
|
864 return retval; |
|
|
865 } |
|
|
866 |
|
|
867 /* |
|
|
868 * Formatted reading from a file. |
|
|
869 */ |
|
501
|
870 Octave_object |
|
506
|
871 builtin_fscanf (const Octave_object& args, int nargout) |
|
1
|
872 { |
|
501
|
873 Octave_object retval; |
|
181
|
874 |
|
506
|
875 int nargin = args.length (); |
|
|
876 |
|
1
|
877 if (nargin != 2 && nargin != 3) |
|
181
|
878 print_usage ("fscanf"); |
|
1
|
879 else |
|
506
|
880 retval = do_scanf ("fscanf", args, nargout); |
|
181
|
881 |
|
1
|
882 return retval; |
|
|
883 } |
|
|
884 |
|
|
885 /* |
|
444
|
886 * Seek a point in a file for reading and/or writing. |
|
1
|
887 */ |
|
501
|
888 Octave_object |
|
506
|
889 builtin_fseek (const Octave_object& args, int nargout) |
|
1
|
890 { |
|
501
|
891 Octave_object retval; |
|
181
|
892 |
|
506
|
893 int nargin = args.length (); |
|
|
894 |
|
1
|
895 if (nargin != 3 && nargin != 4) |
|
181
|
896 print_usage ("fseek"); |
|
1
|
897 else |
|
506
|
898 retval = fseek_internal (args); |
|
181
|
899 |
|
1
|
900 return retval; |
|
|
901 } |
|
|
902 |
|
|
903 /* |
|
|
904 * Nonlinear algebraic equations. |
|
|
905 */ |
|
501
|
906 Octave_object |
|
506
|
907 builtin_fsolve (const Octave_object& args, int nargout) |
|
1
|
908 { |
|
501
|
909 Octave_object retval; |
|
1
|
910 |
|
506
|
911 int nargin = args.length (); |
|
|
912 |
|
501
|
913 if (nargin >= 3 && nargin <= 7 && nargout >= 0 && nargout <= 3) |
|
506
|
914 DLD_BUILTIN (args, nargout, fsolve, |
|
|
915 retval = fsolve (args, nargout);) |
|
1
|
916 else |
|
181
|
917 print_usage ("fsolve"); |
|
1
|
918 |
|
|
919 return retval; |
|
|
920 } |
|
|
921 |
|
501
|
922 Octave_object |
|
506
|
923 builtin_fsolve_options (const Octave_object& args, int nargout) |
|
272
|
924 { |
|
501
|
925 Octave_object retval; |
|
272
|
926 |
|
506
|
927 DLD_BUILTIN (args, nargout, fsolve_options, |
|
|
928 retval = fsolve_options (args, nargout);) |
|
272
|
929 |
|
|
930 return retval; |
|
|
931 } |
|
|
932 |
|
1
|
933 /* |
|
|
934 * NLPs. |
|
|
935 */ |
|
501
|
936 Octave_object |
|
506
|
937 builtin_fsqp (const Octave_object& args, int nargout) |
|
1
|
938 { |
|
501
|
939 Octave_object retval; |
|
1
|
940 |
|
|
941 #if defined (FSQP_MISSING) |
|
282
|
942 print_usage ("fsqp"); |
|
1
|
943 #else |
|
506
|
944 int nargin = args.length (); |
|
|
945 |
|
1
|
946 if ((nargin == 3 || nargin == 5 || nargin == 6 || nargin == 8 |
|
|
947 || nargin == 9 || nargin == 11) |
|
501
|
948 && (nargout >= 0 && nargout <= 3)) |
|
506
|
949 DLD_BUILTIN (args, nargout, fsqp, |
|
|
950 retval = fsqp (args, nargout);) |
|
1
|
951 else |
|
181
|
952 print_usage ("fsolve"); |
|
1
|
953 #endif |
|
|
954 |
|
|
955 return retval; |
|
|
956 } |
|
|
957 |
|
501
|
958 Octave_object |
|
506
|
959 builtin_fsqp_options (const Octave_object& args, int nargout) |
|
272
|
960 { |
|
501
|
961 Octave_object retval; |
|
272
|
962 |
|
282
|
963 #if defined (FSQP_MISSING) |
|
|
964 print_usage ("fsqp_options"); |
|
|
965 #else |
|
506
|
966 DLD_BUILTIN (args, nargout, fsqp_options, |
|
|
967 retval = fsqp_options (args, nargout);) |
|
282
|
968 #endif |
|
272
|
969 |
|
|
970 return retval; |
|
|
971 } |
|
|
972 |
|
1
|
973 /* |
|
444
|
974 * Tell current position of file. |
|
1
|
975 */ |
|
501
|
976 Octave_object |
|
506
|
977 builtin_ftell (const Octave_object& args, int nargout) |
|
1
|
978 { |
|
501
|
979 Octave_object retval; |
|
181
|
980 |
|
506
|
981 int nargin = args.length (); |
|
|
982 |
|
1
|
983 if (nargin != 2) |
|
181
|
984 print_usage ("ftell"); |
|
1
|
985 else |
|
|
986 retval = ftell_internal (args); |
|
181
|
987 |
|
1
|
988 return retval; |
|
|
989 } |
|
|
990 |
|
|
991 /* |
|
444
|
992 * Write binary data to a file. |
|
|
993 */ |
|
501
|
994 Octave_object |
|
506
|
995 builtin_fwrite (const Octave_object& args, int nargout) |
|
444
|
996 { |
|
501
|
997 Octave_object retval; |
|
444
|
998 |
|
506
|
999 int nargin = args.length (); |
|
|
1000 |
|
469
|
1001 if (nargin < 3 || nargin > 4) |
|
444
|
1002 print_usage ("fwrite"); |
|
|
1003 else |
|
506
|
1004 retval = fwrite_internal (args, nargout); |
|
444
|
1005 |
|
|
1006 return retval; |
|
|
1007 } |
|
|
1008 |
|
|
1009 /* |
|
1
|
1010 * Get the value of an environment variable. |
|
|
1011 */ |
|
501
|
1012 Octave_object |
|
506
|
1013 builtin_getenv (const Octave_object& args, int nargout) |
|
1
|
1014 { |
|
501
|
1015 Octave_object retval; |
|
181
|
1016 |
|
506
|
1017 int nargin = args.length (); |
|
|
1018 |
|
501
|
1019 if (nargin == 2 && args(1).is_string_type ()) |
|
1
|
1020 { |
|
501
|
1021 retval.resize (1); |
|
|
1022 char *value = getenv (args(1).string_value ()); |
|
1
|
1023 if (value != (char *) NULL) |
|
501
|
1024 retval(0) = tree_constant (value); |
|
1
|
1025 else |
|
501
|
1026 retval(0) = tree_constant (""); |
|
1
|
1027 } |
|
|
1028 else |
|
181
|
1029 print_usage ("getenv"); |
|
|
1030 |
|
1
|
1031 return retval; |
|
|
1032 } |
|
|
1033 |
|
|
1034 /* |
|
444
|
1035 * Inverse Fast Fourier Transform. |
|
1
|
1036 */ |
|
501
|
1037 Octave_object |
|
506
|
1038 builtin_ifft (const Octave_object& args, int nargout) |
|
1
|
1039 { |
|
501
|
1040 Octave_object retval; |
|
1
|
1041 |
|
506
|
1042 int nargin = args.length (); |
|
|
1043 |
|
1
|
1044 if (nargin == 2) |
|
506
|
1045 DLD_BUILTIN (args, nargout, ifft, |
|
1
|
1046 { |
|
501
|
1047 retval.resize (1); |
|
|
1048 retval(0) = ifft (args(1)); |
|
1
|
1049 }) |
|
|
1050 else |
|
181
|
1051 print_usage ("ifft"); |
|
1
|
1052 |
|
|
1053 return retval; |
|
|
1054 } |
|
|
1055 |
|
|
1056 /* |
|
|
1057 * Inverse of a square matrix. |
|
|
1058 */ |
|
501
|
1059 Octave_object |
|
506
|
1060 builtin_inv (const Octave_object& args, int nargout) |
|
1
|
1061 { |
|
501
|
1062 Octave_object retval; |
|
1
|
1063 |
|
506
|
1064 int nargin = args.length (); |
|
|
1065 |
|
1
|
1066 if (nargin == 2) |
|
506
|
1067 DLD_BUILTIN (args, nargout, inv, |
|
1
|
1068 { |
|
501
|
1069 retval.resize (1); |
|
|
1070 retval(0) = inverse (args(1)); |
|
1
|
1071 }) |
|
|
1072 else |
|
181
|
1073 print_usage ("inv"); |
|
1
|
1074 |
|
|
1075 return retval; |
|
|
1076 } |
|
|
1077 |
|
|
1078 /* |
|
|
1079 * Prompt user for input. |
|
|
1080 */ |
|
501
|
1081 Octave_object |
|
506
|
1082 builtin_input (const Octave_object& args, int nargout) |
|
1
|
1083 { |
|
501
|
1084 Octave_object retval; |
|
1
|
1085 |
|
506
|
1086 int nargin = args.length (); |
|
|
1087 |
|
1
|
1088 if (nargin == 2 || nargin == 3) |
|
|
1089 { |
|
501
|
1090 retval.resize (1); |
|
506
|
1091 retval(0) = get_user_input (args, nargout); |
|
1
|
1092 } |
|
|
1093 else |
|
181
|
1094 print_usage ("input"); |
|
1
|
1095 |
|
|
1096 return retval; |
|
|
1097 } |
|
|
1098 |
|
|
1099 /* |
|
195
|
1100 * Does the given string name a global variable? |
|
|
1101 */ |
|
501
|
1102 Octave_object |
|
506
|
1103 builtin_is_global (const Octave_object& args, int nargout) |
|
195
|
1104 { |
|
501
|
1105 Octave_object retval(1); |
|
|
1106 retval(0) = tree_constant (0.0); |
|
195
|
1107 |
|
506
|
1108 int nargin = args.length (); |
|
|
1109 |
|
501
|
1110 if (nargin == 2 && args(1).is_string_type ()) |
|
195
|
1111 { |
|
501
|
1112 char *name = args(1).string_value (); |
|
195
|
1113 if (is_globally_visible (name)) |
|
501
|
1114 retval(0) = tree_constant (1.0); |
|
195
|
1115 } |
|
|
1116 else |
|
|
1117 print_usage ("is_global"); |
|
|
1118 |
|
|
1119 return retval; |
|
|
1120 } |
|
|
1121 |
|
|
1122 /* |
|
1
|
1123 * Is the argument a string? |
|
|
1124 */ |
|
501
|
1125 Octave_object |
|
506
|
1126 builtin_isstr (const Octave_object& args, int nargout) |
|
1
|
1127 { |
|
501
|
1128 Octave_object retval; |
|
181
|
1129 |
|
506
|
1130 int nargin = args.length (); |
|
|
1131 |
|
1
|
1132 if (nargin != 2) |
|
181
|
1133 print_usage ("isstr"); |
|
1
|
1134 else |
|
|
1135 { |
|
506
|
1136 if (nargin > 0 && args(1).is_defined ()) |
|
1
|
1137 { |
|
501
|
1138 retval.resize (1); |
|
|
1139 retval(0) = args(1).isstr (); |
|
1
|
1140 } |
|
|
1141 } |
|
181
|
1142 |
|
1
|
1143 return retval; |
|
|
1144 } |
|
|
1145 |
|
501
|
1146 Octave_object |
|
506
|
1147 builtin_kbhit (const Octave_object& args, int nargout) |
|
475
|
1148 { |
|
501
|
1149 Octave_object retval; |
|
475
|
1150 |
|
|
1151 // XXX FIXME XXX -- add timeout and default value args? |
|
|
1152 |
|
|
1153 if (interactive) |
|
|
1154 { |
|
|
1155 int c = kbhit (); |
|
|
1156 char *s = new char [2]; |
|
|
1157 s[0] = c; |
|
|
1158 s[1] = '\0'; |
|
501
|
1159 retval.resize (1); |
|
|
1160 retval(0) = tree_constant (s); |
|
475
|
1161 } |
|
|
1162 |
|
|
1163 return retval; |
|
|
1164 } |
|
|
1165 |
|
1
|
1166 /* |
|
|
1167 * Maybe help in debugging. |
|
|
1168 */ |
|
501
|
1169 Octave_object |
|
506
|
1170 builtin_keyboard (const Octave_object& args, int nargout) |
|
1
|
1171 { |
|
501
|
1172 Octave_object retval; |
|
1
|
1173 |
|
506
|
1174 int nargin = args.length (); |
|
|
1175 |
|
1
|
1176 if (nargin == 1 || nargin == 2) |
|
|
1177 { |
|
501
|
1178 retval.resize (1); |
|
506
|
1179 retval(0) = get_user_input (args, nargout, 1); |
|
1
|
1180 } |
|
|
1181 else |
|
181
|
1182 print_usage ("keyboard"); |
|
1
|
1183 |
|
|
1184 return retval; |
|
|
1185 } |
|
|
1186 |
|
|
1187 /* |
|
|
1188 * Matrix logarithm. |
|
|
1189 */ |
|
501
|
1190 Octave_object |
|
506
|
1191 builtin_logm (const Octave_object& args, int nargout) |
|
1
|
1192 { |
|
501
|
1193 Octave_object retval; |
|
1
|
1194 |
|
506
|
1195 int nargin = args.length (); |
|
|
1196 |
|
1
|
1197 if (nargin == 2) |
|
501
|
1198 retval = matrix_log (args(1)); |
|
1
|
1199 else |
|
181
|
1200 print_usage ("logm"); |
|
1
|
1201 |
|
|
1202 return retval; |
|
|
1203 } |
|
|
1204 |
|
|
1205 /* |
|
|
1206 * LPs. |
|
|
1207 */ |
|
501
|
1208 Octave_object |
|
506
|
1209 builtin_lpsolve (const Octave_object& args, int nargout) |
|
1
|
1210 { |
|
501
|
1211 Octave_object retval; |
|
1
|
1212 |
|
|
1213 // Force a bad value of inform, and empty matrices for x and phi. |
|
501
|
1214 retval.resize (3); |
|
1
|
1215 Matrix m; |
|
501
|
1216 retval(0) = tree_constant (m); |
|
|
1217 retval(1) = tree_constant (m); |
|
|
1218 retval(2) = tree_constant (-1.0); |
|
1
|
1219 |
|
506
|
1220 int nargin = args.length (); |
|
|
1221 |
|
1
|
1222 if (nargin == 0) |
|
506
|
1223 DLD_BUILTIN (args, nargout, lpsolve, |
|
|
1224 retval = lpsolve (args, nargout);) |
|
1
|
1225 else |
|
181
|
1226 print_usage ("lp_solve"); |
|
1
|
1227 |
|
|
1228 return retval; |
|
|
1229 } |
|
|
1230 |
|
501
|
1231 Octave_object |
|
506
|
1232 builtin_lpsolve_options (const Octave_object& args, int nargout) |
|
272
|
1233 { |
|
501
|
1234 Octave_object retval; |
|
272
|
1235 |
|
506
|
1236 DLD_BUILTIN (args, nargout, lpsolve_options, |
|
|
1237 retval = lpsolve_options (args, nargout);) |
|
272
|
1238 |
|
|
1239 return retval; |
|
|
1240 } |
|
|
1241 |
|
1
|
1242 /* |
|
|
1243 * ODEs. |
|
|
1244 */ |
|
501
|
1245 Octave_object |
|
506
|
1246 builtin_lsode (const Octave_object& args, int nargout) |
|
1
|
1247 { |
|
501
|
1248 Octave_object retval; |
|
1
|
1249 |
|
506
|
1250 int nargin = args.length (); |
|
|
1251 |
|
501
|
1252 if ((nargin == 4 || nargin == 5) && (nargout == 0 || nargout == 1)) |
|
506
|
1253 DLD_BUILTIN (args, nargout, lsode, |
|
|
1254 retval = lsode (args, nargout);) |
|
1
|
1255 else |
|
181
|
1256 print_usage ("lsode"); |
|
1
|
1257 |
|
|
1258 return retval; |
|
|
1259 } |
|
|
1260 |
|
501
|
1261 Octave_object |
|
506
|
1262 builtin_lsode_options (const Octave_object& args, int nargout) |
|
272
|
1263 { |
|
501
|
1264 Octave_object retval; |
|
272
|
1265 |
|
506
|
1266 DLD_BUILTIN (args, nargout, lsode_options, |
|
|
1267 retval = lsode_options (args, nargout);) |
|
272
|
1268 |
|
|
1269 return retval; |
|
|
1270 } |
|
|
1271 |
|
1
|
1272 /* |
|
|
1273 * LU factorization. |
|
|
1274 */ |
|
501
|
1275 Octave_object |
|
506
|
1276 builtin_lu (const Octave_object& args, int nargout) |
|
1
|
1277 { |
|
501
|
1278 Octave_object retval; |
|
1
|
1279 |
|
506
|
1280 int nargin = args.length (); |
|
|
1281 |
|
1
|
1282 if (nargin == 2 && nargout < 4) |
|
506
|
1283 DLD_BUILTIN (args, nargout, lu, |
|
501
|
1284 retval = lu (args(1), nargout);) |
|
1
|
1285 else |
|
181
|
1286 print_usage ("lu"); |
|
1
|
1287 |
|
|
1288 return retval; |
|
|
1289 } |
|
|
1290 |
|
|
1291 /* |
|
|
1292 * Max values. |
|
|
1293 */ |
|
501
|
1294 Octave_object |
|
506
|
1295 builtin_max (const Octave_object& args, int nargout) |
|
1
|
1296 { |
|
501
|
1297 Octave_object retval; |
|
1
|
1298 |
|
506
|
1299 int nargin = args.length (); |
|
|
1300 |
|
501
|
1301 if ((nargin == 2 && (nargout == 0 || nargout == 1 || nargout == 2)) |
|
|
1302 || (nargin == 3 && (nargout == 0 || nargout == 1))) |
|
506
|
1303 retval = column_max (args, nargout); |
|
1
|
1304 else |
|
181
|
1305 print_usage ("max"); |
|
1
|
1306 |
|
|
1307 return retval; |
|
|
1308 } |
|
|
1309 |
|
|
1310 /* |
|
|
1311 * Min values. |
|
|
1312 */ |
|
501
|
1313 Octave_object |
|
506
|
1314 builtin_min (const Octave_object& args, int nargout) |
|
1
|
1315 { |
|
501
|
1316 Octave_object retval; |
|
1
|
1317 |
|
506
|
1318 int nargin = args.length (); |
|
|
1319 |
|
501
|
1320 if ((nargin == 2 && (nargout == 0 || nargout == 1 || nargout == 2)) |
|
|
1321 || (nargin == 3 && (nargout == 0 || nargout == 1))) |
|
506
|
1322 retval = column_min (args, nargout); |
|
1
|
1323 else |
|
181
|
1324 print_usage ("min"); |
|
1
|
1325 |
|
|
1326 return retval; |
|
|
1327 } |
|
|
1328 |
|
|
1329 /* |
|
|
1330 * NLPs. |
|
|
1331 */ |
|
501
|
1332 Octave_object |
|
506
|
1333 builtin_npsol (const Octave_object& args, int nargout) |
|
1
|
1334 { |
|
501
|
1335 Octave_object retval; |
|
1
|
1336 |
|
|
1337 #if defined (NPSOL_MISSING) |
|
|
1338 // Force a bad value of inform, and empty matrices for x, phi, and lambda. |
|
501
|
1339 retval.resize (3); |
|
1
|
1340 Matrix m; |
|
501
|
1341 retval(0) = tree_constant (m); |
|
|
1342 retval(1) = tree_constant (m); |
|
|
1343 retval(2) = tree_constant (-1.0); |
|
|
1344 retval(3) = tree_constant (m); |
|
181
|
1345 print_usage ("npsol"); |
|
1
|
1346 #else |
|
506
|
1347 int nargin = args.length (); |
|
|
1348 |
|
1
|
1349 if ((nargin == 3 || nargin == 5 || nargin == 6 || nargin == 8 |
|
|
1350 || nargin == 9 || nargin == 11) |
|
501
|
1351 && (nargout >= 0 && nargout <= 4)) |
|
506
|
1352 DLD_BUILTIN (args, nargout, npsol, |
|
|
1353 retval = npsol (args, nargout);) |
|
1
|
1354 else |
|
181
|
1355 print_usage ("npsol"); |
|
1
|
1356 #endif |
|
|
1357 |
|
|
1358 return retval; |
|
|
1359 } |
|
|
1360 |
|
501
|
1361 Octave_object |
|
506
|
1362 builtin_npsol_options (const Octave_object& args, int nargout) |
|
272
|
1363 { |
|
501
|
1364 Octave_object retval; |
|
272
|
1365 |
|
282
|
1366 #if defined (NPSOL_MISSING) |
|
|
1367 print_usage ("npsol_options"); |
|
|
1368 #else |
|
506
|
1369 DLD_BUILTIN (args, nargout, npsol_options, |
|
|
1370 retval = npsol_options (args, nargout);) |
|
282
|
1371 #endif |
|
272
|
1372 |
|
|
1373 return retval; |
|
|
1374 } |
|
|
1375 |
|
1
|
1376 /* |
|
|
1377 * A matrix of ones. |
|
|
1378 */ |
|
501
|
1379 Octave_object |
|
506
|
1380 builtin_ones (const Octave_object& args, int nargout) |
|
1
|
1381 { |
|
501
|
1382 Octave_object retval; |
|
1
|
1383 |
|
506
|
1384 int nargin = args.length (); |
|
|
1385 |
|
1
|
1386 switch (nargin) |
|
|
1387 { |
|
|
1388 case 2: |
|
501
|
1389 retval.resize (1); |
|
|
1390 retval(0) = fill_matrix (args(1), 1.0, "ones"); |
|
1
|
1391 break; |
|
|
1392 case 3: |
|
501
|
1393 retval.resize (1); |
|
|
1394 retval(0) = fill_matrix (args(1), args(2), 1.0, "ones"); |
|
1
|
1395 break; |
|
|
1396 default: |
|
181
|
1397 print_usage ("ones"); |
|
1
|
1398 break; |
|
|
1399 } |
|
181
|
1400 |
|
1
|
1401 return retval; |
|
|
1402 } |
|
|
1403 |
|
|
1404 /* |
|
|
1405 * You guessed it. |
|
|
1406 */ |
|
501
|
1407 Octave_object |
|
506
|
1408 builtin_pause (const Octave_object& args, int nargout) |
|
1
|
1409 { |
|
501
|
1410 Octave_object retval; |
|
475
|
1411 |
|
506
|
1412 int nargin = args.length (); |
|
|
1413 |
|
1
|
1414 if (! (nargin == 1 || nargin == 2)) |
|
|
1415 { |
|
181
|
1416 print_usage ("pause"); |
|
501
|
1417 return retval; |
|
1
|
1418 } |
|
|
1419 |
|
|
1420 if (interactive) |
|
|
1421 { |
|
475
|
1422 switch (nargin) |
|
|
1423 { |
|
|
1424 case 2: |
|
|
1425 { |
|
501
|
1426 int delay = NINT (args(1).double_value ()); |
|
475
|
1427 if (delay > 0) |
|
|
1428 { |
|
|
1429 sleep (delay); |
|
|
1430 break; |
|
|
1431 } |
|
|
1432 } |
|
|
1433 default: |
|
|
1434 if (kbhit () == EOF) |
|
|
1435 clean_up_and_exit (0); |
|
|
1436 break; |
|
|
1437 } |
|
1
|
1438 } |
|
181
|
1439 |
|
475
|
1440 return retval; |
|
1
|
1441 } |
|
|
1442 |
|
|
1443 /* |
|
|
1444 * Delete turds from /tmp. |
|
|
1445 */ |
|
501
|
1446 Octave_object |
|
506
|
1447 builtin_purge_tmp_files (const Octave_object& args, int nargout) |
|
1
|
1448 { |
|
501
|
1449 Octave_object retval; |
|
1
|
1450 cleanup_tmp_files (); |
|
501
|
1451 return retval; |
|
1
|
1452 } |
|
|
1453 |
|
|
1454 /* |
|
|
1455 * Formatted printing. |
|
|
1456 */ |
|
501
|
1457 Octave_object |
|
506
|
1458 builtin_printf (const Octave_object& args, int nargout) |
|
1
|
1459 { |
|
501
|
1460 Octave_object retval; |
|
181
|
1461 |
|
506
|
1462 int nargin = args.length (); |
|
|
1463 |
|
1
|
1464 if (nargin < 2) |
|
181
|
1465 print_usage ("printf"); |
|
1
|
1466 else |
|
506
|
1467 retval = do_printf ("printf", args, nargout); |
|
181
|
1468 |
|
1
|
1469 return retval; |
|
|
1470 } |
|
|
1471 |
|
|
1472 /* |
|
|
1473 * Product. |
|
|
1474 */ |
|
501
|
1475 Octave_object |
|
506
|
1476 builtin_prod (const Octave_object& args, int nargout) |
|
1
|
1477 { |
|
501
|
1478 Octave_object retval; |
|
181
|
1479 |
|
506
|
1480 int nargin = args.length (); |
|
|
1481 |
|
1
|
1482 if (nargin != 2) |
|
181
|
1483 print_usage ("prod"); |
|
1
|
1484 else |
|
|
1485 { |
|
506
|
1486 if (nargin > 0 && args(1).is_defined ()) |
|
1
|
1487 { |
|
501
|
1488 retval.resize (1); |
|
|
1489 retval(0) = args(1).prod (); |
|
1
|
1490 } |
|
|
1491 } |
|
181
|
1492 |
|
1
|
1493 return retval; |
|
|
1494 } |
|
|
1495 |
|
|
1496 /* |
|
|
1497 * Print name of current working directory. |
|
|
1498 */ |
|
501
|
1499 Octave_object |
|
506
|
1500 builtin_pwd (const Octave_object& args, int nargout) |
|
1
|
1501 { |
|
501
|
1502 Octave_object retval; |
|
1
|
1503 char *directory; |
|
|
1504 |
|
|
1505 if (verbatim_pwd) |
|
|
1506 { |
|
|
1507 char *buffer = new char [MAXPATHLEN]; |
|
|
1508 directory = getcwd (buffer, MAXPATHLEN); |
|
|
1509 |
|
|
1510 if (!directory) |
|
|
1511 { |
|
217
|
1512 warning ("pwd: can't find working directory!"); |
|
1
|
1513 delete buffer; |
|
|
1514 } |
|
|
1515 } |
|
|
1516 else |
|
|
1517 { |
|
|
1518 directory = get_working_directory ("pwd"); |
|
|
1519 } |
|
|
1520 |
|
|
1521 if (directory) |
|
|
1522 { |
|
|
1523 char *s = strconcat (directory, "\n"); |
|
501
|
1524 retval.resize (1); |
|
|
1525 retval(0) = tree_constant (s); |
|
1
|
1526 delete [] s; |
|
|
1527 } |
|
|
1528 return retval; |
|
|
1529 } |
|
|
1530 |
|
|
1531 /* |
|
|
1532 * QPs. |
|
|
1533 */ |
|
501
|
1534 Octave_object |
|
506
|
1535 builtin_qpsol (const Octave_object& args, int nargout) |
|
1
|
1536 { |
|
501
|
1537 Octave_object retval; |
|
1
|
1538 |
|
|
1539 #if defined (QPSOL_MISSING) |
|
|
1540 // Force a bad value of inform, and empty matrices for x, phi, and lambda. |
|
501
|
1541 retval.resize (4); |
|
1
|
1542 Matrix m; |
|
501
|
1543 retval(0) = tree_constant (m); |
|
|
1544 retval(1) = tree_constant (m); |
|
|
1545 retval(2) = tree_constant (-1.0); |
|
|
1546 retval(3) = tree_constant (m); |
|
181
|
1547 print_usage ("qpsol"); |
|
1
|
1548 #else |
|
506
|
1549 int nargin = args.length (); |
|
|
1550 |
|
1
|
1551 if ((nargin == 4 || nargin == 6 || nargin == 7 || nargin == 9) |
|
501
|
1552 && (nargout >= 0 && nargout <= 4)) |
|
506
|
1553 DLD_BUILTIN (args, nargout, qpsol, |
|
|
1554 retval = qpsol (args, nargout);) |
|
1
|
1555 else |
|
181
|
1556 print_usage ("qpsol"); |
|
1
|
1557 #endif |
|
|
1558 |
|
|
1559 return retval; |
|
|
1560 } |
|
|
1561 |
|
501
|
1562 Octave_object |
|
506
|
1563 builtin_qpsol_options (const Octave_object& args, int nargout) |
|
272
|
1564 { |
|
501
|
1565 Octave_object retval; |
|
272
|
1566 |
|
282
|
1567 #if defined (QPSOL_MISSING) |
|
|
1568 print_usage ("qpsol"); |
|
|
1569 #else |
|
506
|
1570 DLD_BUILTIN (args, nargout, qpsol_options, |
|
|
1571 retval = qpsol_options (args, nargout);) |
|
282
|
1572 #endif |
|
272
|
1573 |
|
|
1574 return retval; |
|
|
1575 } |
|
|
1576 |
|
1
|
1577 /* |
|
|
1578 * QR factorization. |
|
|
1579 */ |
|
501
|
1580 Octave_object |
|
506
|
1581 builtin_qr (const Octave_object& args, int nargout) |
|
1
|
1582 { |
|
501
|
1583 Octave_object retval; |
|
1
|
1584 |
|
506
|
1585 int nargin = args.length (); |
|
|
1586 |
|
1
|
1587 if (nargin == 2 && nargout < 3) |
|
506
|
1588 DLD_BUILTIN (args, nargout, qr, |
|
501
|
1589 retval = qr (args(1), nargout);) |
|
1
|
1590 else |
|
181
|
1591 print_usage ("qr"); |
|
1
|
1592 |
|
|
1593 return retval; |
|
|
1594 } |
|
|
1595 |
|
|
1596 /* |
|
45
|
1597 * generalized eigenvalues via qz |
|
|
1598 */ |
|
501
|
1599 Octave_object |
|
506
|
1600 builtin_qzval (const Octave_object& args, int nargout) |
|
45
|
1601 { |
|
501
|
1602 Octave_object retval; |
|
45
|
1603 |
|
506
|
1604 int nargin = args.length (); |
|
|
1605 |
|
45
|
1606 if (nargin == 3 && nargout < 2) |
|
506
|
1607 DLD_BUILTIN (args, nargout, qzvalue, |
|
|
1608 retval = qzvalue (args, nargout);) |
|
45
|
1609 else |
|
181
|
1610 print_usage ("qzval"); |
|
45
|
1611 |
|
|
1612 return retval; |
|
|
1613 } |
|
|
1614 |
|
|
1615 /* |
|
1
|
1616 * Random numbers. |
|
|
1617 */ |
|
501
|
1618 Octave_object |
|
506
|
1619 builtin_quad (const Octave_object& args, int nargout) |
|
1
|
1620 { |
|
501
|
1621 Octave_object retval; |
|
1
|
1622 |
|
506
|
1623 int nargin = args.length (); |
|
|
1624 |
|
501
|
1625 if ((nargin > 3 && nargin < 7) && (nargout >= 0 && nargout < 5)) |
|
506
|
1626 DLD_BUILTIN (args, nargout, quad, |
|
|
1627 retval = do_quad (args, nargout);) |
|
1
|
1628 else |
|
181
|
1629 print_usage ("quad"); |
|
1
|
1630 |
|
|
1631 return retval; |
|
|
1632 } |
|
|
1633 |
|
501
|
1634 Octave_object |
|
506
|
1635 builtin_quad_options (const Octave_object& args, int nargout) |
|
272
|
1636 { |
|
501
|
1637 Octave_object retval; |
|
272
|
1638 |
|
506
|
1639 DLD_BUILTIN (args, nargout, quad_options, |
|
|
1640 retval = quad_options (args, nargout);) |
|
272
|
1641 |
|
|
1642 return retval; |
|
|
1643 } |
|
|
1644 |
|
1
|
1645 /* |
|
|
1646 * I'm outta here. |
|
|
1647 */ |
|
501
|
1648 Octave_object |
|
506
|
1649 builtin_quit (const Octave_object& args, int nargout) |
|
1
|
1650 { |
|
501
|
1651 Octave_object retval; |
|
1
|
1652 quitting_gracefully = 1; |
|
|
1653 clean_up_and_exit (0); |
|
501
|
1654 return retval; |
|
1
|
1655 } |
|
|
1656 |
|
|
1657 /* |
|
|
1658 * Random numbers. |
|
|
1659 */ |
|
501
|
1660 Octave_object |
|
506
|
1661 builtin_rand (const Octave_object& args, int nargout) |
|
1
|
1662 { |
|
501
|
1663 Octave_object retval; |
|
1
|
1664 |
|
506
|
1665 int nargin = args.length (); |
|
|
1666 |
|
501
|
1667 if ((nargin > 0 && nargin < 4) && (nargout == 0 || nargout == 1)) |
|
506
|
1668 DLD_BUILTIN (args, nargout, rand, |
|
|
1669 retval = rand_internal (args, nargout);) |
|
1
|
1670 else |
|
181
|
1671 print_usage ("rand"); |
|
1
|
1672 |
|
|
1673 return retval; |
|
|
1674 } |
|
|
1675 |
|
|
1676 /* |
|
|
1677 * Formatted reading. |
|
|
1678 */ |
|
501
|
1679 Octave_object |
|
506
|
1680 builtin_scanf (const Octave_object& args, int nargout) |
|
1
|
1681 { |
|
501
|
1682 Octave_object retval; |
|
181
|
1683 |
|
506
|
1684 int nargin = args.length (); |
|
|
1685 |
|
1
|
1686 if (nargin != 2) |
|
181
|
1687 print_usage ("scanf"); |
|
1
|
1688 else |
|
506
|
1689 retval = do_scanf ("scanf", args, nargout); |
|
181
|
1690 |
|
1
|
1691 return retval; |
|
|
1692 } |
|
|
1693 |
|
|
1694 /* |
|
|
1695 * Convert a vector to a string. |
|
|
1696 */ |
|
501
|
1697 Octave_object |
|
506
|
1698 builtin_setstr (const Octave_object& args, int nargout) |
|
1
|
1699 { |
|
501
|
1700 Octave_object retval; |
|
1
|
1701 |
|
506
|
1702 int nargin = args.length (); |
|
|
1703 |
|
1
|
1704 if (nargin == 2) |
|
|
1705 { |
|
501
|
1706 retval.resize (1); |
|
|
1707 retval(0) = args(1).convert_to_str (); |
|
1
|
1708 } |
|
|
1709 else |
|
181
|
1710 print_usage ("setstr"); |
|
1
|
1711 |
|
|
1712 return retval; |
|
|
1713 } |
|
|
1714 |
|
|
1715 /* |
|
|
1716 * Execute a shell command. |
|
|
1717 */ |
|
501
|
1718 Octave_object |
|
506
|
1719 builtin_shell_command (const Octave_object& args, int nargout) |
|
1
|
1720 { |
|
501
|
1721 Octave_object retval; |
|
1
|
1722 |
|
506
|
1723 int nargin = args.length (); |
|
|
1724 |
|
501
|
1725 if (nargin == 2 && args(1).is_string_type ()) |
|
1
|
1726 { |
|
501
|
1727 iprocstream cmd (args(1).string_value ()); |
|
483
|
1728 char ch; |
|
|
1729 ostrstream output_buf; |
|
|
1730 while (cmd.get (ch)) |
|
|
1731 output_buf.put (ch); |
|
|
1732 output_buf << ends; |
|
|
1733 int status = cmd.close (); |
|
|
1734 switch (nargout) |
|
1
|
1735 { |
|
483
|
1736 case 1: |
|
|
1737 maybe_page_output (output_buf); |
|
501
|
1738 retval.resize (1); |
|
|
1739 retval(0) = tree_constant ((double) status); |
|
483
|
1740 break; |
|
|
1741 case 2: |
|
501
|
1742 retval.resize (2); |
|
|
1743 retval(0) = tree_constant ((double) status); |
|
|
1744 retval(1) = tree_constant (output_buf.str ()); |
|
483
|
1745 break; |
|
|
1746 break; |
|
1
|
1747 } |
|
|
1748 } |
|
|
1749 else |
|
181
|
1750 print_usage ("shell_cmd"); |
|
1
|
1751 |
|
|
1752 return retval; |
|
|
1753 } |
|
|
1754 |
|
|
1755 /* |
|
|
1756 * Report rows and columns. |
|
|
1757 */ |
|
501
|
1758 Octave_object |
|
506
|
1759 builtin_size (const Octave_object& args, int nargout) |
|
1
|
1760 { |
|
501
|
1761 Octave_object retval; |
|
1
|
1762 |
|
506
|
1763 int nargin = args.length (); |
|
|
1764 |
|
1
|
1765 if (nargin != 2) |
|
181
|
1766 print_usage ("size"); |
|
1
|
1767 else |
|
|
1768 { |
|
506
|
1769 if (nargin > 0 && args(1).is_defined ()) |
|
1
|
1770 { |
|
501
|
1771 int nr = args(1).rows (); |
|
|
1772 int nc = args(1).columns (); |
|
|
1773 if (nargout == 0 || nargout == 1) |
|
1
|
1774 { |
|
|
1775 Matrix m (1, 2); |
|
|
1776 m.elem (0, 0) = nr; |
|
|
1777 m.elem (0, 1) = nc; |
|
501
|
1778 retval.resize (1); |
|
|
1779 retval(0) = tree_constant (m); |
|
1
|
1780 } |
|
|
1781 else if (nargout == 2) |
|
|
1782 { |
|
501
|
1783 retval.resize (2); |
|
|
1784 retval(0) = tree_constant ((double) nr); |
|
|
1785 retval(1) = tree_constant ((double) nc); |
|
1
|
1786 } |
|
|
1787 else |
|
181
|
1788 print_usage ("size"); |
|
1
|
1789 } |
|
|
1790 } |
|
181
|
1791 |
|
1
|
1792 return retval; |
|
|
1793 } |
|
|
1794 |
|
|
1795 /* |
|
|
1796 * Sort columns. |
|
|
1797 */ |
|
501
|
1798 Octave_object |
|
506
|
1799 builtin_sort (const Octave_object& args, int nargout) |
|
1
|
1800 { |
|
501
|
1801 Octave_object retval; |
|
1
|
1802 |
|
506
|
1803 int nargin = args.length (); |
|
|
1804 |
|
1
|
1805 if (nargin == 2) |
|
506
|
1806 retval = sort (args, nargout); |
|
1
|
1807 else |
|
181
|
1808 print_usage ("sort"); |
|
1
|
1809 |
|
|
1810 return retval; |
|
|
1811 } |
|
|
1812 |
|
|
1813 /* |
|
|
1814 * Formatted printing to a string. |
|
|
1815 */ |
|
501
|
1816 Octave_object |
|
506
|
1817 builtin_sprintf (const Octave_object& args, int nargout) |
|
1
|
1818 { |
|
501
|
1819 Octave_object retval; |
|
181
|
1820 |
|
506
|
1821 int nargin = args.length (); |
|
|
1822 |
|
1
|
1823 if (nargin < 2) |
|
181
|
1824 print_usage ("sprintf"); |
|
1
|
1825 else |
|
506
|
1826 retval = do_printf ("sprintf", args, nargout); |
|
181
|
1827 |
|
1
|
1828 return retval; |
|
|
1829 } |
|
|
1830 |
|
|
1831 /* |
|
|
1832 * Matrix sqrt. |
|
|
1833 */ |
|
501
|
1834 Octave_object |
|
506
|
1835 builtin_sqrtm (const Octave_object& args, int nargout) |
|
1
|
1836 { |
|
501
|
1837 Octave_object retval; |
|
1
|
1838 |
|
506
|
1839 int nargin = args.length (); |
|
|
1840 |
|
1
|
1841 if (nargin == 2) |
|
501
|
1842 retval = matrix_sqrt (args(1)); |
|
1
|
1843 else |
|
181
|
1844 print_usage ("sqrtm"); |
|
1
|
1845 |
|
|
1846 return retval; |
|
|
1847 } |
|
|
1848 |
|
|
1849 /* |
|
|
1850 * Formatted reading from a string. |
|
|
1851 */ |
|
501
|
1852 Octave_object |
|
506
|
1853 builtin_sscanf (const Octave_object& args, int nargout) |
|
1
|
1854 { |
|
501
|
1855 Octave_object retval; |
|
181
|
1856 |
|
506
|
1857 int nargin = args.length (); |
|
|
1858 |
|
1
|
1859 if (nargin != 3) |
|
181
|
1860 print_usage ("sscanf"); |
|
1
|
1861 else |
|
506
|
1862 retval = do_scanf ("sscanf", args, nargout); |
|
181
|
1863 |
|
1
|
1864 return retval; |
|
|
1865 } |
|
|
1866 |
|
|
1867 /* |
|
|
1868 * Sum. |
|
|
1869 */ |
|
501
|
1870 Octave_object |
|
506
|
1871 builtin_sum (const Octave_object& args, int nargout) |
|
1
|
1872 { |
|
501
|
1873 Octave_object retval; |
|
181
|
1874 |
|
506
|
1875 int nargin = args.length (); |
|
|
1876 |
|
1
|
1877 if (nargin != 2) |
|
181
|
1878 print_usage ("sum"); |
|
1
|
1879 else |
|
|
1880 { |
|
506
|
1881 if (nargin > 0 && args(1).is_defined ()) |
|
1
|
1882 { |
|
501
|
1883 retval.resize (1); |
|
|
1884 retval(0) = args(1).sum (); |
|
1
|
1885 } |
|
|
1886 } |
|
181
|
1887 |
|
1
|
1888 return retval; |
|
|
1889 } |
|
|
1890 |
|
|
1891 /* |
|
|
1892 * Sum of squares. |
|
|
1893 */ |
|
501
|
1894 Octave_object |
|
506
|
1895 builtin_sumsq (const Octave_object& args, int nargout) |
|
1
|
1896 { |
|
501
|
1897 Octave_object retval; |
|
181
|
1898 |
|
506
|
1899 int nargin = args.length (); |
|
|
1900 |
|
1
|
1901 if (nargin != 2) |
|
181
|
1902 print_usage ("sumsq"); |
|
1
|
1903 else |
|
|
1904 { |
|
506
|
1905 if (nargin > 0 && args(1).is_defined ()) |
|
1
|
1906 { |
|
501
|
1907 retval.resize (1); |
|
|
1908 retval(0) = args(1).sumsq (); |
|
1
|
1909 } |
|
|
1910 } |
|
181
|
1911 |
|
1
|
1912 return retval; |
|
|
1913 } |
|
|
1914 |
|
|
1915 /* |
|
|
1916 * Singluar value decomposition. |
|
|
1917 */ |
|
501
|
1918 Octave_object |
|
506
|
1919 builtin_svd (const Octave_object& args, int nargout) |
|
1
|
1920 { |
|
501
|
1921 Octave_object retval; |
|
1
|
1922 |
|
506
|
1923 int nargin = args.length (); |
|
|
1924 |
|
501
|
1925 if (nargin == 2 && (nargout == 0 || nargout == 1 || nargout == 3)) |
|
506
|
1926 DLD_BUILTIN (args, nargout, svd, |
|
|
1927 retval = svd (args, nargout);) |
|
1
|
1928 else |
|
181
|
1929 print_usage ("svd"); |
|
1
|
1930 |
|
|
1931 return retval; |
|
|
1932 } |
|
|
1933 |
|
|
1934 /* |
|
38
|
1935 * Sylvester equation solver. |
|
|
1936 */ |
|
501
|
1937 Octave_object |
|
506
|
1938 builtin_syl (const Octave_object& args, int nargout) |
|
38
|
1939 { |
|
501
|
1940 Octave_object retval; |
|
38
|
1941 |
|
506
|
1942 int nargin = args.length (); |
|
|
1943 |
|
501
|
1944 if ((nargin == 4) && (nargout == 0 || nargout == 1)) |
|
506
|
1945 DLD_BUILTIN (args, nargout, syl, |
|
|
1946 retval = syl (args, nargout);) |
|
38
|
1947 else |
|
181
|
1948 print_usage ("syl"); |
|
38
|
1949 |
|
|
1950 return retval; |
|
|
1951 } |
|
|
1952 |
|
|
1953 /* |
|
444
|
1954 * Schur Decomposition. |
|
1
|
1955 */ |
|
501
|
1956 Octave_object |
|
506
|
1957 builtin_schur (const Octave_object& args, int nargout) |
|
1
|
1958 { |
|
501
|
1959 Octave_object retval; |
|
1
|
1960 |
|
506
|
1961 int nargin = args.length (); |
|
|
1962 |
|
501
|
1963 if ((nargin == 3 || nargin == 2) |
|
|
1964 && (nargout == 0 || nargout == 1 || nargout == 2)) |
|
506
|
1965 DLD_BUILTIN (args, nargout, schur, |
|
|
1966 retval = schur (args, nargout);) |
|
1
|
1967 else |
|
181
|
1968 print_usage ("schur"); |
|
1
|
1969 |
|
|
1970 return retval; |
|
|
1971 } |
|
|
1972 |
|
|
1973 /* |
|
444
|
1974 * Givens rotation. |
|
30
|
1975 */ |
|
501
|
1976 Octave_object |
|
506
|
1977 builtin_givens (const Octave_object& args, int nargout) |
|
30
|
1978 { |
|
501
|
1979 Octave_object retval; |
|
30
|
1980 |
|
506
|
1981 int nargin = args.length (); |
|
|
1982 |
|
501
|
1983 if (nargin == 3 && (nargout == 0 || nargout == 1 || nargout == 2 )) |
|
506
|
1984 retval = givens (args, nargout); |
|
30
|
1985 else |
|
181
|
1986 print_usage ("givens"); |
|
30
|
1987 |
|
|
1988 return retval; |
|
|
1989 } |
|
|
1990 |
|
|
1991 /* |
|
444
|
1992 * Hessenberg Decomposition. |
|
1
|
1993 */ |
|
501
|
1994 Octave_object |
|
506
|
1995 builtin_hess (const Octave_object& args, int nargout) |
|
1
|
1996 { |
|
501
|
1997 Octave_object retval; |
|
1
|
1998 |
|
506
|
1999 int nargin = args.length (); |
|
|
2000 |
|
501
|
2001 if (nargin == 2 && (nargout == 0 || nargout == 1 || nargout == 2)) |
|
506
|
2002 DLD_BUILTIN (args, nargout, hess, |
|
|
2003 retval = hess (args, nargout);) |
|
1
|
2004 else |
|
181
|
2005 print_usage ("hess"); |
|
1
|
2006 |
|
|
2007 return retval; |
|
|
2008 } |
|
|
2009 |
|
|
2010 /* |
|
210
|
2011 * Variable argument lists. |
|
|
2012 */ |
|
501
|
2013 Octave_object |
|
506
|
2014 builtin_va_arg (const Octave_object& args, int nargout) |
|
210
|
2015 { |
|
501
|
2016 Octave_object retval; |
|
506
|
2017 |
|
|
2018 int nargin = args.length (); |
|
|
2019 |
|
210
|
2020 if (nargin == 1) |
|
|
2021 { |
|
|
2022 if (curr_function != (tree_function *) NULL) |
|
|
2023 { |
|
|
2024 if (curr_function->takes_varargs ()) |
|
|
2025 { |
|
501
|
2026 retval.resize (1); |
|
|
2027 retval(0) = curr_function->octave_va_arg (); |
|
210
|
2028 } |
|
|
2029 else |
|
214
|
2030 { |
|
|
2031 error ("va_arg only valid within function taking variable"); |
|
|
2032 error ("number of arguments"); |
|
|
2033 } |
|
210
|
2034 } |
|
|
2035 else |
|
|
2036 error ("va_arg only valid within function body"); |
|
|
2037 } |
|
|
2038 else |
|
|
2039 print_usage ("va_arg"); |
|
|
2040 |
|
|
2041 return retval; |
|
|
2042 } |
|
|
2043 |
|
501
|
2044 Octave_object |
|
506
|
2045 builtin_va_start (const Octave_object& args, int nargout) |
|
210
|
2046 { |
|
501
|
2047 Octave_object retval; |
|
506
|
2048 |
|
|
2049 int nargin = args.length (); |
|
|
2050 |
|
210
|
2051 if (nargin == 1) |
|
|
2052 { |
|
|
2053 if (curr_function != (tree_function *) NULL) |
|
|
2054 { |
|
|
2055 if (curr_function->takes_varargs ()) |
|
359
|
2056 curr_function->octave_va_start (); |
|
210
|
2057 else |
|
214
|
2058 { |
|
|
2059 error ("va_start only valid within function taking variable"); |
|
|
2060 error ("number of arguments"); |
|
|
2061 } |
|
210
|
2062 } |
|
|
2063 else |
|
|
2064 error ("va_start only valid within function body"); |
|
|
2065 } |
|
|
2066 else |
|
|
2067 print_usage ("va_start"); |
|
|
2068 |
|
|
2069 return retval; |
|
|
2070 } |
|
|
2071 |
|
|
2072 /* |
|
1
|
2073 * Copying information. |
|
|
2074 */ |
|
501
|
2075 Octave_object |
|
506
|
2076 builtin_warranty (const Octave_object& args, int nargout) |
|
1
|
2077 { |
|
501
|
2078 Octave_object retval; |
|
|
2079 |
|
1
|
2080 ostrstream output_buf; |
|
|
2081 output_buf << "\n Octave, version " << version_string |
|
272
|
2082 << ". Copyright (C) 1992, 1993, 1994 John W. Eaton\n" |
|
1
|
2083 << "\n\ |
|
|
2084 This program is free software; you can redistribute it and/or modify\n\ |
|
|
2085 it under the terms of the GNU General Public License as published by\n\ |
|
|
2086 the Free Software Foundation; either version 2 of the License, or\n\ |
|
|
2087 (at your option) any later version.\n\n\ |
|
|
2088 This program is distributed in the hope that it will be useful,\n\ |
|
|
2089 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ |
|
|
2090 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ |
|
|
2091 GNU General Public License for more details.\n\n\ |
|
|
2092 You should have received a copy of the GNU General Public License\n\ |
|
|
2093 along with this program. If not, write to the Free Software\n\ |
|
|
2094 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.\n\n"; |
|
|
2095 |
|
|
2096 output_buf << ends; |
|
|
2097 maybe_page_output (output_buf); |
|
|
2098 |
|
501
|
2099 return retval; |
|
1
|
2100 } |
|
|
2101 |
|
|
2102 /* |
|
|
2103 * A matrix of zeros. |
|
|
2104 */ |
|
501
|
2105 Octave_object |
|
506
|
2106 builtin_zeros (const Octave_object& args, int nargout) |
|
1
|
2107 { |
|
501
|
2108 Octave_object retval; |
|
1
|
2109 |
|
506
|
2110 int nargin = args.length (); |
|
|
2111 |
|
1
|
2112 switch (nargin) |
|
|
2113 { |
|
|
2114 case 2: |
|
501
|
2115 retval.resize (1); |
|
|
2116 retval(0) = fill_matrix (args(1), 0.0, "zeros"); |
|
1
|
2117 break; |
|
|
2118 case 3: |
|
501
|
2119 retval.resize (1); |
|
|
2120 retval(0) = fill_matrix (args(1), args(2), 0.0, "zeros"); |
|
1
|
2121 break; |
|
|
2122 default: |
|
181
|
2123 print_usage ("zeros"); |
|
1
|
2124 break; |
|
|
2125 } |
|
181
|
2126 |
|
1
|
2127 return retval; |
|
|
2128 } |
|
|
2129 |
|
|
2130 /* |
|
|
2131 ;;; Local Variables: *** |
|
|
2132 ;;; mode: C++ *** |
|
|
2133 ;;; page-delimiter: "^/\\*" *** |
|
|
2134 ;;; End: *** |
|
|
2135 */ |
