annotate src/ov-re-mat.cc @ 4815:2eb844b27953

[project @ 2004-03-04 00:14:44 by jwe]
author jwe
date Thu, 04 Mar 2004 00:14:44 +0000
parents b0d6da24caeb
children 81f78a2ff8a6
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1 /*
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2
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3 Copyright (C) 1996, 1997 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 2, or (at your option) any
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10 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, write to the Free
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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20
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21 */
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22
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23 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
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24 #pragma implementation
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25 #endif
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26
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27 #ifdef HAVE_CONFIG_H
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28 #include <config.h>
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29 #endif
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30
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31 #include <climits>
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32
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33 #include <iostream>
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34 #include <vector>
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35
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36 #include "lo-ieee.h"
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37 #include "lo-utils.h"
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38 #include "mx-base.h"
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39 #include "quit.h"
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40
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41 #include "gripes.h"
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42 #include "oct-obj.h"
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43 #include "oct-lvalue.h"
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44 #include "ops.h"
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45 #include "ov-base.h"
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46 #include "ov-base-mat.h"
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47 #include "ov-base-mat.cc"
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48 #include "ov-scalar.h"
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49 #include "ov-re-mat.h"
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50 #include "pr-output.h"
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51 #include "variables.h"
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52
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53 #include "byte-swap.h"
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54 #include "ls-oct-ascii.h"
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55 #include "ls-utils.h"
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56 #include "ls-hdf5.h"
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57
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58 #if ! defined (UCHAR_MAX)
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59 #define UCHAR_MAX 255
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60 #endif
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61
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62 template class octave_base_matrix<NDArray>;
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63
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64 DEFINE_OCTAVE_ALLOCATOR (octave_matrix);
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65
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66 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_matrix, "matrix", "double");
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67
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68 octave_value *
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69 octave_matrix::try_narrowing_conversion (void)
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70 {
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71 octave_value *retval = 0;
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72
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73 if (matrix.nelem () == 1)
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74 retval = new octave_scalar (matrix (0));
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75
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76 return retval;
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77 }
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78
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79 bool
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80 octave_matrix::valid_as_scalar_index (void) const
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81 {
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82 // XXX FIXME XXX
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83 return false;
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84 }
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85
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86 double
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87 octave_matrix::double_value (bool) const
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88 {
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89 double retval = lo_ieee_nan_value ();
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90
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91 if (numel () > 0)
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92 {
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93 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here?
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94 if (Vwarn_fortran_indexing)
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95 gripe_implicit_conversion ("real matrix", "real scalar");
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96
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97 retval = matrix (0, 0);
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98 }
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99 else
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100 gripe_invalid_conversion ("real matrix", "real scalar");
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101
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102 return retval;
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103 }
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104
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105 // XXX FIXME XXX
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106
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107 Matrix
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108 octave_matrix::matrix_value (bool) const
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109 {
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110 return matrix.matrix_value ();
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111 }
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112
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113 Complex
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114 octave_matrix::complex_value (bool) const
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115 {
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116 double tmp = lo_ieee_nan_value ();
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117
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118 Complex retval (tmp, tmp);
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119
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120 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar()
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121 if (rows () > 0 && columns () > 0)
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122 {
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123 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here?
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124 if (Vwarn_fortran_indexing)
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125 gripe_implicit_conversion ("real matrix", "complex scalar");
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126
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127 retval = matrix (0, 0);
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128 }
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129 else
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130 gripe_invalid_conversion ("real matrix", "complex scalar");
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131
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132 return retval;
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133 }
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134
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135 // XXX FIXME XXX
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136
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137 ComplexMatrix
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138 octave_matrix::complex_matrix_value (bool) const
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139 {
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140 return ComplexMatrix (matrix.matrix_value ());
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141 }
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142
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143 ComplexNDArray
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144 octave_matrix::complex_array_value (bool) const
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145 {
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146 return ComplexNDArray (matrix);
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147 }
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148
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149 charNDArray
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150 octave_matrix::char_array_value (bool) const
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151 {
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152 charNDArray retval (dims ());
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153
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154 int nel = numel ();
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155
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156 for (int i = 0; i < nel; i++)
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157 retval.elem (i) = static_cast<char>(matrix.elem (i));
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158
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159 return retval;
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160 }
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161
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162 streamoff_array
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diff changeset
163 octave_matrix::streamoff_array_value (void) const
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164 {
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165 streamoff_array retval (dims ());
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166
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167 int nel = numel ();
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168
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169 for (int i = 0; i < nel; i++)
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170 {
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diff changeset
171 double d = matrix(i);
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172
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173 if (D_NINT (d) == d)
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174 retval(i) = std::streamoff (static_cast<long> (d));
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175 else
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176 {
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177 error ("conversion to streamoff_array value failed");
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diff changeset
178 break;
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179 }
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180 }
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181
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182 return retval;
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183 }
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184
2376
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185 octave_value
4457
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186 octave_matrix::convert_to_str_internal (bool, bool) const
2376
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187 {
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188 octave_value retval;
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189
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190 int nr = matrix.rows ();
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191 int nc = matrix.columns ();
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192
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193 if (nr == 0 && nc == 0)
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194 {
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195 char s = '\0';
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196 retval = octave_value (&s);
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197 }
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198 else
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199 {
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200 if (nr == 0 || nc == 0)
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201 {
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202 char s = '\0';
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203 retval = octave_value (&s);
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204 }
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205 else
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206 {
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207 charMatrix chm (nr, nc);
4100
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208
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209 bool warned = false;
2376
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210
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211 for (int j = 0; j < nc; j++)
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212 {
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213 for (int i = 0; i < nr; i++)
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214 {
4153
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215 OCTAVE_QUIT;
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216
2376
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diff changeset
217 double d = matrix (i, j);
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218
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219 if (xisnan (d))
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220 {
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221 ::error ("invalid conversion from NaN to character");
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222 return retval;
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223 }
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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224 else
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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225 {
4100
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diff changeset
226 int ival = NINT (d);
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227
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diff changeset
228 if (ival < 0 || ival > UCHAR_MAX)
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229 {
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230 // XXX FIXME XXX -- is there something
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diff changeset
231 // better we could do?
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232
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diff changeset
233 ival = 0;
2376
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234
4100
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diff changeset
235 if (! warned)
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236 {
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237 ::warning ("range error for conversion to character value");
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238 warned = true;
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diff changeset
239 }
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diff changeset
240 }
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diff changeset
241
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242 chm (i, j) = static_cast<char> (ival);
2376
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243 }
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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diff changeset
244 }
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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diff changeset
245 }
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diff changeset
246
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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247 retval = octave_value (chm, 1);
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248 }
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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diff changeset
249 }
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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diff changeset
250
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
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diff changeset
251 return retval;
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diff changeset
252 }
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253
4687
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diff changeset
254 static Matrix
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255 strip_infnan (const Matrix& m)
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256 {
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diff changeset
257 int nr = m.rows ();
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diff changeset
258 int nc = m.columns ();
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diff changeset
259
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diff changeset
260 Matrix retval (nr, nc);
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diff changeset
261
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diff changeset
262 int k = 0;
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263 for (int i = 0; i < nr; i++)
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diff changeset
264 {
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diff changeset
265 for (int j = 0; j < nc; j++)
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diff changeset
266 {
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diff changeset
267 double d = m (i, j);
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diff changeset
268 if (xisnan (d))
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diff changeset
269 goto next_row;
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diff changeset
270 else
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diff changeset
271 retval (k, j) = xisinf (d) ? (d > 0 ? OCT_RBV : -OCT_RBV) : d;
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272 }
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diff changeset
273 k++;
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diff changeset
274
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diff changeset
275 next_row:
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diff changeset
276 continue;
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diff changeset
277 }
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diff changeset
278
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diff changeset
279 if (k > 0)
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diff changeset
280 retval.resize (k, nc);
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diff changeset
281
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diff changeset
282 return retval;
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diff changeset
283 }
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diff changeset
284
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
285 bool
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diff changeset
286 octave_matrix::save_ascii (std::ostream& os, bool& infnan_warned,
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diff changeset
287 bool strip_nan_and_inf)
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diff changeset
288 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
289 dim_vector d = dims ();
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diff changeset
290 if (d.length () > 2)
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diff changeset
291 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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parents: 4645
diff changeset
292 NDArray tmp = array_value ();
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diff changeset
293
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diff changeset
294 if (strip_nan_and_inf)
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diff changeset
295 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
296 warning ("save: Can not strip Inf or NaN values");
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diff changeset
297 warning ("save: Inf or NaN values may not be reloadable");
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diff changeset
298 infnan_warned = true;
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diff changeset
299 }
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diff changeset
300 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ())
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diff changeset
301 {
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diff changeset
302 warning ("save: Inf or NaN values may not be reloadable");
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diff changeset
303 infnan_warned = true;
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diff changeset
304 }
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diff changeset
305
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
306 os << "# ndims: " << d.length () << "\n";
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parents: 4645
diff changeset
307
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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parents: 4645
diff changeset
308 for (int i=0; i < d.length (); i++)
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parents: 4645
diff changeset
309 os << " " << d (i);
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diff changeset
310
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
311 os << "\n" << tmp;
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diff changeset
312 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
313 else
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diff changeset
314 {
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diff changeset
315 // Keep this case, rather than use generic code above for backward
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
316 // compatiability. Makes load_ascii much more complex!!
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diff changeset
317 os << "# rows: " << rows () << "\n"
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diff changeset
318 << "# columns: " << columns () << "\n";
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diff changeset
319
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
320 Matrix tmp = matrix_value ();
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parents: 4645
diff changeset
321
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diff changeset
322 if (strip_nan_and_inf)
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diff changeset
323 tmp = strip_infnan (tmp);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
324 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ())
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diff changeset
325 {
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diff changeset
326 warning ("save: Inf or NaN values may not be reloadable");
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parents: 4645
diff changeset
327 infnan_warned = true;
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diff changeset
328 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
329
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
330 os << tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
331 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
332
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
333 return true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
334 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
335
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
336 bool
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
337 octave_matrix::load_ascii (std::istream& is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
338 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
339 int mdims = 0;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
340 bool success = true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
341 std::streampos pos = is.tellg ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
342
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
343 if (extract_keyword (is, "ndims", mdims, true))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
344 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
345 if (mdims >= 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
346 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
347 dim_vector dv;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
348 dv.resize (mdims);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
349
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
350 for (int i = 0; i < mdims; i++)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
351 is >> dv(i);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
352
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
353 NDArray tmp(dv);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
354 is >> tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
355
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
356 if (!is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
357 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
358 error ("load: failed to load matrix constant");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
359 success = false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
360 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
361 matrix = tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
362 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
363 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
364 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
365 error ("load: failed to extract number of rows and columns");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
366 success = false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
367 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
368 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
369 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
370 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
371 int nr = 0;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
372 int nc = 0;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
373
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
374 // re-read the same line again
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
375 is.clear ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
376 is.seekg (pos);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
377
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
378 if (extract_keyword (is, "rows", nr) && nr >= 0
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
379 && extract_keyword (is, "columns", nc) && nc >= 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
380 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
381 if (nr > 0 && nc > 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
382 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
383 Matrix tmp (nr, nc);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
384 is >> tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
385 if (is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
386 matrix = tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
387 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
388 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
389 error ("load: failed to load matrix constant");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
390 success = false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
391 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
392 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
393 else if (nr == 0 || nc == 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
394 matrix = Matrix (nr, nc);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
395 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
396 panic_impossible ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
397 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
398 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
399 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
400 error ("load: failed to extract number of rows and columns");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
401 success = false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
402 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
403 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
404
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
405 return success;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
406 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
407
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
408 bool
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
409 octave_matrix::save_binary (std::ostream& os, bool& save_as_floats)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
410 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
411
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
412 dim_vector d = dims ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
413 if (d.length() < 1)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
414 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
415
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
416 // Use negative value for ndims to differentiate with old format!!
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
417 FOUR_BYTE_INT tmp = - d.length();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
418 os.write (X_CAST (char *, &tmp), 4);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
419 for (int i=0; i < d.length (); i++)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
420 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
421 tmp = d(i);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
422 os.write (X_CAST (char *, &tmp), 4);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
423 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
424
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
425 NDArray m = array_value ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
426 save_type st = LS_DOUBLE;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
427 if (save_as_floats)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
428 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
429 if (m.too_large_for_float ())
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
430 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
431 warning ("save: some values too large to save as floats --");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
432 warning ("save: saving as doubles instead");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
433 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
434 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
435 st = LS_FLOAT;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
436 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
437 else if (d.numel () > 8192) // XXX FIXME XXX -- make this configurable.
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
438 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
439 double max_val, min_val;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
440 if (m.all_integers (max_val, min_val))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
441 st = get_save_type (max_val, min_val);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
442 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
443
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
444 const double *mtmp = m.data ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
445 write_doubles (os, mtmp, st, d.numel ());
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
446
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
447 return true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
448 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
449
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
450 bool
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
451 octave_matrix::load_binary (std::istream& is, bool swap,
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
452 oct_mach_info::float_format fmt)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
453 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
454 char tmp;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
455 FOUR_BYTE_INT mdims;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
456 if (! is.read (X_CAST (char *, &mdims), 4))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
457 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
458 if (swap)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
459 swap_4_bytes (X_CAST (char *, &mdims));
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
460 if (mdims < 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
461 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
462 mdims = - mdims;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
463 FOUR_BYTE_INT di;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
464 dim_vector dv;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
465 dv.resize (mdims);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
466
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
467 for (int i = 0; i < mdims; i++)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
468 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
469 if (! is.read (X_CAST (char *, &di), 4))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
470 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
471 if (swap)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
472 swap_4_bytes (X_CAST (char *, &di));
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
473 dv(i) = di;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
474 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
475
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
476 if (! is.read (X_CAST (char *, &tmp), 1))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
477 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
478
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
479 NDArray m(dv);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
480 double *re = m.fortran_vec ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
481 read_doubles (is, re, X_CAST (save_type, tmp), dv.numel (), swap, fmt);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
482 if (error_state || ! is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
483 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
484 matrix = m;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
485 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
486 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
487 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
488 FOUR_BYTE_INT nr, nc;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
489 nr = mdims;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
490 if (! is.read (X_CAST (char *, &nc), 4))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
491 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
492 if (swap)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
493 swap_4_bytes (X_CAST (char *, &nc));
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
494 if (! is.read (X_CAST (char *, &tmp), 1))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
495 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
496 Matrix m (nr, nc);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
497 double *re = m.fortran_vec ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
498 int len = nr * nc;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
499 read_doubles (is, re, X_CAST (save_type, tmp), len, swap, fmt);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
500 if (error_state || ! is)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
501 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
502 matrix = m;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
503 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
504 return true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
505 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
506
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
507 #if defined (HAVE_HDF5)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
508 bool
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
509 octave_matrix::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
510 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
511 dim_vector d = dims ();
4805
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
512 int empty = save_hdf5_empty (loc_id, name, d);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
513 if (empty != 0)
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
514 return (empty > 0);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
515
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
516 int rank = d.length ();
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
517 hid_t space_hid = -1, data_hid = -1;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
518 bool retval = true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
519 NDArray m = array_value ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
520
4805
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
521 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
522
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
523 // Octave uses column-major, while HDF5 uses row-major ordering
4805
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
524 for (int i = 0; i < rank; i++)
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
525 hdims[i] = d (rank-i-1);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
526
4815
2eb844b27953 [project @ 2004-03-04 00:14:44 by jwe]
jwe
parents: 4805
diff changeset
527 space_hid = H5Screate_simple (rank, hdims, 0);
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
528
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
529 if (space_hid < 0) return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
530
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
531 hid_t save_type_hid = H5T_NATIVE_DOUBLE;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
532
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
533 if (save_as_floats)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
534 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
535 if (m.too_large_for_float ())
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
536 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
537 warning ("save: some values too large to save as floats --");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
538 warning ("save: saving as doubles instead");
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
539 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
540 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
541 save_type_hid = H5T_NATIVE_FLOAT;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
542 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
543 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
544 // hdf5 currently doesn't support float/integer conversions
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
545 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
546 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
547 double max_val, min_val;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
548
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
549 if (m.all_integers (max_val, min_val))
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
550 save_type_hid
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
551 = save_type_to_hdf5 (get_save_type (max_val, min_val));
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
552 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
553 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
554
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
555 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid,
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
556 H5P_DEFAULT);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
557 if (data_hid < 0)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
558 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
559 H5Sclose (space_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
560 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
561 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
562
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
563 double *mtmp = m.fortran_vec ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
564 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL,
4815
2eb844b27953 [project @ 2004-03-04 00:14:44 by jwe]
jwe
parents: 4805
diff changeset
565 H5P_DEFAULT, mtmp) >= 0;
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
566
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
567 H5Dclose (data_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
568 H5Sclose (space_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
569 return retval;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
570 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
571
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
572 bool
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
573 octave_matrix::load_hdf5 (hid_t loc_id, const char *name,
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
574 bool /* have_h5giterate_bug */)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
575 {
4805
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
576 dim_vector dv;
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
577 int empty = load_hdf5_empty (loc_id, name, dv);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
578 if (empty > 0)
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
579 matrix.resize(dv);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
580 if (empty != 0)
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
581 return (empty > 0);
b0d6da24caeb [project @ 2004-03-02 03:43:15 by jwe]
jwe
parents: 4758
diff changeset
582
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
583 bool retval = false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
584 hid_t data_hid = H5Dopen (loc_id, name);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
585 hid_t space_id = H5Dget_space (data_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
586
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
587 hsize_t rank = H5Sget_simple_extent_ndims (space_id);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
588
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
589 if (rank < 1)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
590 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
591 H5Sclose (space_id);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
592 H5Dclose (data_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
593 return false;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
594 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
595
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
596 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
597 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
598
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
599 H5Sget_simple_extent_dims (space_id, hdims, maxdims);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
600
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
601 // Octave uses column-major, while HDF5 uses row-major ordering
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
602 if (rank == 1)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
603 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
604 dv.resize (2);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
605 dv(0) = 1;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
606 dv(1) = hdims[0];
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
607 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
608 else
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
609 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
610 dv.resize (rank);
4815
2eb844b27953 [project @ 2004-03-04 00:14:44 by jwe]
jwe
parents: 4805
diff changeset
611 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--)
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
612 dv(j) = hdims[i];
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
613 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
614
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
615 NDArray m (dv);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
616 double *re = m.fortran_vec ();
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
617 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL,
4815
2eb844b27953 [project @ 2004-03-04 00:14:44 by jwe]
jwe
parents: 4805
diff changeset
618 H5P_DEFAULT, re) >= 0)
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
619 {
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
620 retval = true;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
621 matrix = m;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
622 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
623
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
624 H5Sclose (space_id);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
625 H5Dclose (data_hid);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
626 return retval;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
627 }
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
628 #endif
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4645
diff changeset
629
4643
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
630 void
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
631 octave_matrix::print_raw (std::ostream& os,
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
632 bool pr_as_read_syntax) const
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
633 {
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
634 octave_print_internal (os, matrix, pr_as_read_syntax,
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
635 current_print_indent_level ());
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
636 }
ef3a14fb6847 [project @ 2003-11-22 12:25:44 by jwe]
jwe
parents: 4612
diff changeset
637
2376
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
jwe
parents:
diff changeset
638 /*
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
jwe
parents:
diff changeset
639 ;;; Local Variables: ***
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
jwe
parents:
diff changeset
640 ;;; mode: C++ ***
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
jwe
parents:
diff changeset
641 ;;; End: ***
2142216bf85a [project @ 1996-10-12 01:39:07 by jwe]
jwe
parents:
diff changeset
642 */