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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 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <iostream> |
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28 #include <vector> |
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29 |
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4944
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30 #include "data-conv.h" |
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31 #include "lo-ieee.h" |
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32 #include "mx-base.h" |
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33 #include "mach-info.h" |
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34 |
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35 #include "gripes.h" |
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36 #include "oct-obj.h" |
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37 #include "oct-stream.h" |
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38 #include "ops.h" |
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3219
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39 #include "ov-base.h" |
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40 #include "ov-base-mat.h" |
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41 #include "ov-base-mat.cc" |
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42 #include "ov-complex.h" |
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43 #include "ov-cx-mat.h" |
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44 #include "ov-re-mat.h" |
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45 #include "ov-scalar.h" |
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46 #include "pr-output.h" |
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47 |
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48 #include "byte-swap.h" |
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49 #include "ls-oct-ascii.h" |
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50 #include "ls-hdf5.h" |
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51 #include "ls-utils.h" |
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52 |
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53 template class octave_base_matrix<ComplexNDArray>; |
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54 |
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55 DEFINE_OCTAVE_ALLOCATOR (octave_complex_matrix); |
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56 |
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4612
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57 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex_matrix, |
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58 "complex matrix", "double"); |
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59 |
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60 octave_value * |
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61 octave_complex_matrix::try_narrowing_conversion (void) |
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62 { |
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63 octave_value *retval = 0; |
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64 |
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65 if (matrix.ndims () == 2) |
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66 { |
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67 ComplexMatrix cm = matrix.matrix_value (); |
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68 |
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69 int nr = cm.rows (); |
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70 int nc = cm.cols (); |
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71 |
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72 if (nr == 1 && nc == 1) |
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73 { |
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74 Complex c = matrix (0, 0); |
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75 |
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76 if (imag (c) == 0.0) |
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77 retval = new octave_scalar (std::real (c)); |
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78 else |
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79 retval = new octave_complex (c); |
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80 } |
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81 else if (nr == 0 || nc == 0) |
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82 retval = new octave_matrix (Matrix (nr, nc)); |
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83 else if (cm.all_elements_are_real ()) |
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84 retval = new octave_matrix (::real (cm)); |
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85 } |
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86 else if (matrix.all_elements_are_real ()) |
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87 retval = new octave_matrix (::real (matrix)); |
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88 |
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89 return retval; |
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90 } |
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91 |
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92 void |
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93 octave_complex_matrix::assign (const octave_value_list& idx, |
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94 const ComplexNDArray& rhs) |
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95 { |
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96 octave_base_matrix<ComplexNDArray>::assign (idx, rhs); |
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97 } |
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98 |
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99 void |
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100 octave_complex_matrix::assign (const octave_value_list& idx, |
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101 const NDArray& rhs) |
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102 { |
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103 int len = idx.length (); |
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104 |
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105 for (int i = 0; i < len; i++) |
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106 matrix.set_index (idx(i).index_vector ()); |
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107 |
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108 ::assign (matrix, rhs); |
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109 } |
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110 |
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111 bool |
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112 octave_complex_matrix::valid_as_scalar_index (void) const |
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113 { |
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114 // XXX FIXME XXX |
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115 return false; |
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116 } |
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117 |
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118 double |
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119 octave_complex_matrix::double_value (bool force_conversion) const |
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120 { |
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121 double retval = lo_ieee_nan_value (); |
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122 |
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123 if (! force_conversion && Vwarn_imag_to_real) |
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124 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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125 |
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126 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
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127 if (rows () > 0 && columns () > 0) |
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128 { |
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129 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
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130 if (Vwarn_fortran_indexing) |
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131 gripe_implicit_conversion ("complex matrix", "real scalar"); |
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132 |
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133 retval = std::real (matrix (0, 0)); |
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134 } |
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135 else |
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136 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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137 |
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138 return retval; |
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139 } |
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140 |
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141 Matrix |
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142 octave_complex_matrix::matrix_value (bool force_conversion) const |
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143 { |
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144 Matrix retval; |
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145 |
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146 if (! force_conversion && Vwarn_imag_to_real) |
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147 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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148 |
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149 retval = ::real (matrix.matrix_value ()); |
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150 |
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151 return retval; |
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152 } |
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153 |
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154 Complex |
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155 octave_complex_matrix::complex_value (bool) const |
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156 { |
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157 double tmp = lo_ieee_nan_value (); |
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158 |
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159 Complex retval (tmp, tmp); |
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160 |
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161 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
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162 if (rows () > 0 && columns () > 0) |
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163 { |
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164 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
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165 if (Vwarn_fortran_indexing) |
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166 gripe_implicit_conversion ("complex matrix", "complex scalar"); |
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167 |
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168 retval = matrix (0, 0); |
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169 } |
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170 else |
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171 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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172 |
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173 return retval; |
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174 } |
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175 |
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176 ComplexMatrix |
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177 octave_complex_matrix::complex_matrix_value (bool) const |
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178 { |
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179 return matrix.matrix_value (); |
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180 } |
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181 |
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182 SparseMatrix |
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183 octave_complex_matrix::sparse_matrix_value (bool force_conversion) const |
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184 { |
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185 SparseMatrix retval; |
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186 |
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187 if (! force_conversion && Vwarn_imag_to_real) |
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188 gripe_implicit_conversion ("complex matrix", "real matrix"); |
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189 |
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190 retval = SparseMatrix (::real (matrix.matrix_value ())); |
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191 |
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192 return retval; |
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193 } |
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194 |
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195 SparseComplexMatrix |
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196 octave_complex_matrix::sparse_complex_matrix_value (bool) const |
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197 { |
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198 return SparseComplexMatrix (matrix.matrix_value ()); |
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199 } |
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200 |
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201 static ComplexMatrix |
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202 strip_infnan (const ComplexMatrix& m) |
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203 { |
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204 int nr = m.rows (); |
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205 int nc = m.columns (); |
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206 |
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207 ComplexMatrix retval (nr, nc); |
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208 |
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209 int k = 0; |
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210 for (int i = 0; i < nr; i++) |
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211 { |
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212 for (int j = 0; j < nc; j++) |
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213 { |
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214 Complex c = m (i, j); |
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215 if (xisnan (c)) |
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216 goto next_row; |
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217 else |
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218 { |
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219 double re = real (c); |
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220 double im = imag (c); |
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221 |
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222 re = xisinf (re) ? (re > 0 ? OCT_RBV : -OCT_RBV) : re; |
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223 im = xisinf (im) ? (im > 0 ? OCT_RBV : -OCT_RBV) : im; |
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224 |
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225 retval (k, j) = Complex (re, im); |
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226 } |
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227 } |
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228 k++; |
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229 |
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230 next_row: |
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231 continue; |
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232 } |
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233 |
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234 if (k > 0) |
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235 retval.resize (k, nc); |
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236 |
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237 return retval; |
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238 } |
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239 |
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240 bool |
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241 octave_complex_matrix::save_ascii (std::ostream& os, bool& infnan_warned, |
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242 bool strip_nan_and_inf) |
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243 { |
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244 dim_vector d = dims (); |
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245 if (d.length () > 2) |
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246 { |
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247 ComplexNDArray tmp = complex_array_value (); |
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248 |
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249 if (strip_nan_and_inf) |
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250 { |
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251 warning ("save: Can not strip Inf or NaN values"); |
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252 warning ("save: Inf or NaN values may not be reloadable"); |
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253 infnan_warned = true; |
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254 } |
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255 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
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256 { |
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257 warning ("save: Inf or NaN values may not be reloadable"); |
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258 infnan_warned = true; |
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259 } |
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260 |
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261 os << "# ndims: " << d.length () << "\n"; |
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262 |
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263 for (int i=0; i < d.length (); i++) |
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264 os << " " << d (i); |
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265 |
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266 os << "\n" << tmp; |
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267 } |
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268 else |
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269 { |
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270 // Keep this case, rather than use generic code above for backward |
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271 // compatiability. Makes load_ascii much more complex!! |
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272 os << "# rows: " << rows () << "\n" |
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273 << "# columns: " << columns () << "\n"; |
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274 |
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275 ComplexMatrix tmp = complex_matrix_value (); |
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276 |
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277 if (strip_nan_and_inf) |
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278 tmp = strip_infnan (tmp); |
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279 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
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280 { |
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281 warning ("save: Inf or NaN values may not be reloadable"); |
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282 infnan_warned = true; |
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283 } |
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284 |
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285 os << tmp; |
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286 } |
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287 |
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288 return true; |
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289 } |
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290 |
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291 bool |
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292 octave_complex_matrix::load_ascii (std::istream& is) |
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293 { |
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294 bool success = true; |
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295 |
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296 string_vector keywords(2); |
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297 |
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298 keywords[0] = "ndims"; |
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299 keywords[1] = "rows"; |
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300 |
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301 std::string kw; |
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302 int val = 0; |
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303 |
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304 if (extract_keyword (is, keywords, kw, val, true)) |
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305 { |
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306 if (kw == "ndims") |
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307 { |
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308 int mdims = val; |
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309 |
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310 if (mdims >= 0) |
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311 { |
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312 dim_vector dv; |
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313 dv.resize (mdims); |
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314 |
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315 for (int i = 0; i < mdims; i++) |
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316 is >> dv(i); |
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317 |
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318 ComplexNDArray tmp(dv); |
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319 is >> tmp; |
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320 |
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321 if (!is) |
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322 { |
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323 error ("load: failed to load matrix constant"); |
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324 success = false; |
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325 } |
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326 matrix = tmp; |
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327 } |
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328 else |
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5099
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329 { |
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330 error ("load: failed to extract number of rows and columns"); |
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331 success = false; |
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332 } |
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333 } |
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5099
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334 else if (kw == "rows") |
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335 { |
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336 int nr = val; |
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337 int nc = 0; |
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338 |
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339 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
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340 { |
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341 if (nr > 0 && nc > 0) |
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342 { |
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343 ComplexMatrix tmp (nr, nc); |
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344 is >> tmp; |
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345 if (!is) |
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346 { |
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347 error ("load: failed to load matrix constant"); |
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348 success = false; |
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349 } |
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350 matrix = tmp; |
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351 } |
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352 else if (nr == 0 || nc == 0) |
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353 matrix = ComplexMatrix (nr, nc); |
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354 else |
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355 panic_impossible (); |
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356 } |
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357 else |
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358 { |
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359 error ("load: failed to extract number of rows and columns"); |
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360 success = false; |
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361 } |
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362 } |
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5099
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363 else |
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364 panic_impossible (); |
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365 } |
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366 else |
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367 { |
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368 error ("load: failed to extract number of rows and columns"); |
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369 success = false; |
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370 } |
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371 |
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372 return success; |
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373 } |
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374 |
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375 bool |
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376 octave_complex_matrix::save_binary (std::ostream& os, bool& save_as_floats) |
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377 { |
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378 dim_vector d = dims (); |
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379 if (d.length() < 1) |
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380 return false; |
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381 |
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382 // Use negative value for ndims to differentiate with old format!! |
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383 FOUR_BYTE_INT tmp = - d.length(); |
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384 os.write (X_CAST (char *, &tmp), 4); |
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385 for (int i=0; i < d.length (); i++) |
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386 { |
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387 tmp = d(i); |
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388 os.write (X_CAST (char *, &tmp), 4); |
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389 } |
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390 |
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391 ComplexNDArray m = complex_array_value (); |
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392 save_type st = LS_DOUBLE; |
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393 if (save_as_floats) |
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394 { |
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395 if (m.too_large_for_float ()) |
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396 { |
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397 warning ("save: some values too large to save as floats --"); |
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398 warning ("save: saving as doubles instead"); |
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399 } |
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400 else |
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401 st = LS_FLOAT; |
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402 } |
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403 else if (d.numel () > 4096) // XXX FIXME XXX -- make this configurable. |
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404 { |
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405 double max_val, min_val; |
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406 if (m.all_integers (max_val, min_val)) |
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407 st = get_save_type (max_val, min_val); |
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408 } |
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409 |
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410 |
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411 const Complex *mtmp = m.data (); |
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412 write_doubles (os, X_CAST (const double *, mtmp), st, 2 * d.numel ()); |
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413 |
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414 return true; |
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415 } |
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416 |
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417 bool |
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418 octave_complex_matrix::load_binary (std::istream& is, bool swap, |
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419 oct_mach_info::float_format fmt) |
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420 { |
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421 char tmp; |
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422 FOUR_BYTE_INT mdims; |
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423 if (! is.read (X_CAST (char *, &mdims), 4)) |
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424 return false; |
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425 if (swap) |
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4944
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426 swap_bytes<4> (&mdims); |
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4687
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427 if (mdims < 0) |
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428 { |
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429 mdims = - mdims; |
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430 FOUR_BYTE_INT di; |
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431 dim_vector dv; |
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432 dv.resize (mdims); |
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433 |
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434 for (int i = 0; i < mdims; i++) |
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435 { |
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436 if (! is.read (X_CAST (char *, &di), 4)) |
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437 return false; |
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438 if (swap) |
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4944
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439 swap_bytes<4> (&di); |
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4687
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440 dv(i) = di; |
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441 } |
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442 |
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5157
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443 // Convert an array with a single dimension to be a row vector. |
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444 // Octave should never write files like this, other software |
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445 // might. |
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446 |
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447 if (mdims == 1) |
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448 { |
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449 mdims = 2; |
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450 dv.resize (mdims); |
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451 dv(1) = dv(0); |
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452 dv(0) = 1; |
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453 } |
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454 |
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4687
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455 if (! is.read (X_CAST (char *, &tmp), 1)) |
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456 return false; |
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457 |
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458 ComplexNDArray m(dv); |
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459 Complex *im = m.fortran_vec (); |
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460 read_doubles (is, X_CAST (double *, im), X_CAST (save_type, tmp), |
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461 2 * dv.numel (), swap, fmt); |
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462 if (error_state || ! is) |
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463 return false; |
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464 matrix = m; |
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465 } |
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466 else |
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467 { |
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468 FOUR_BYTE_INT nr, nc; |
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469 nr = mdims; |
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470 if (! is.read (X_CAST (char *, &nc), 4)) |
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471 return false; |
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472 if (swap) |
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4944
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473 swap_bytes<4> (&nc); |
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4687
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474 if (! is.read (X_CAST (char *, &tmp), 1)) |
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475 return false; |
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476 ComplexMatrix m (nr, nc); |
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477 Complex *im = m.fortran_vec (); |
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|
478 int len = nr * nc; |
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479 read_doubles (is, X_CAST (double *, im), |
|
|
480 X_CAST (save_type, tmp), 2*len, swap, fmt); |
|
|
481 if (error_state || ! is) |
|
|
482 return false; |
|
|
483 matrix = m; |
|
|
484 } |
|
|
485 return true; |
|
|
486 } |
|
|
487 |
|
|
488 #if defined (HAVE_HDF5) |
|
4944
|
489 |
|
4687
|
490 bool |
|
|
491 octave_complex_matrix::save_hdf5 (hid_t loc_id, const char *name, |
|
|
492 bool save_as_floats) |
|
|
493 { |
|
4837
|
494 dim_vector dv = dims (); |
|
|
495 int empty = save_hdf5_empty (loc_id, name, dv); |
|
|
496 if (empty) |
|
4805
|
497 return (empty > 0); |
|
|
498 |
|
4837
|
499 int rank = dv.length (); |
|
4805
|
500 hid_t space_hid = -1, data_hid = -1, type_hid = -1; |
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4687
|
501 bool retval = true; |
|
|
502 ComplexNDArray m = complex_array_value (); |
|
|
503 |
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4805
|
504 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
505 |
|
4687
|
506 // Octave uses column-major, while HDF5 uses row-major ordering |
|
4805
|
507 for (int i = 0; i < rank; i++) |
|
4837
|
508 hdims[i] = dv (rank-i-1); |
|
4805
|
509 |
|
4815
|
510 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4687
|
511 if (space_hid < 0) return false; |
|
|
512 |
|
|
513 hid_t save_type_hid = H5T_NATIVE_DOUBLE; |
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|
514 |
|
|
515 if (save_as_floats) |
|
|
516 { |
|
|
517 if (m.too_large_for_float ()) |
|
|
518 { |
|
|
519 warning ("save: some values too large to save as floats --"); |
|
|
520 warning ("save: saving as doubles instead"); |
|
|
521 } |
|
|
522 else |
|
|
523 save_type_hid = H5T_NATIVE_FLOAT; |
|
|
524 } |
|
|
525 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS |
|
|
526 // hdf5 currently doesn't support float/integer conversions |
|
|
527 else |
|
|
528 { |
|
|
529 double max_val, min_val; |
|
|
530 |
|
|
531 if (m.all_integers (max_val, min_val)) |
|
|
532 save_type_hid |
|
|
533 = save_type_to_hdf5 (get_save_type (max_val, min_val)); |
|
|
534 } |
|
|
535 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ |
|
|
536 |
|
|
537 type_hid = hdf5_make_complex_type (save_type_hid); |
|
|
538 if (type_hid < 0) |
|
|
539 { |
|
|
540 H5Sclose (space_hid); |
|
|
541 return false; |
|
|
542 } |
|
|
543 |
|
|
544 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, H5P_DEFAULT); |
|
|
545 if (data_hid < 0) |
|
|
546 { |
|
|
547 H5Sclose (space_hid); |
|
|
548 H5Tclose (type_hid); |
|
|
549 return false; |
|
|
550 } |
|
|
551 |
|
|
552 hid_t complex_type_hid = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
553 if (complex_type_hid < 0) retval = false; |
|
|
554 |
|
|
555 if (retval) |
|
|
556 { |
|
|
557 Complex *mtmp = m.fortran_vec (); |
|
|
558 if (H5Dwrite (data_hid, complex_type_hid, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
4815
|
559 mtmp) < 0) |
|
4687
|
560 { |
|
|
561 H5Tclose (complex_type_hid); |
|
|
562 retval = false; |
|
|
563 } |
|
|
564 } |
|
|
565 |
|
|
566 H5Tclose (complex_type_hid); |
|
|
567 H5Dclose (data_hid); |
|
|
568 H5Tclose (type_hid); |
|
|
569 H5Sclose (space_hid); |
|
4837
|
570 |
|
4687
|
571 return retval; |
|
|
572 } |
|
|
573 |
|
|
574 bool |
|
|
575 octave_complex_matrix::load_hdf5 (hid_t loc_id, const char *name, |
|
|
576 bool /* have_h5giterate_bug */) |
|
|
577 { |
|
4837
|
578 bool retval = false; |
|
|
579 |
|
4805
|
580 dim_vector dv; |
|
|
581 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
582 if (empty > 0) |
|
|
583 matrix.resize(dv); |
|
4837
|
584 if (empty) |
|
4805
|
585 return (empty > 0); |
|
|
586 |
|
4687
|
587 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
588 hid_t type_hid = H5Dget_type (data_hid); |
|
|
589 |
|
|
590 hid_t complex_type = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
591 |
|
|
592 if (! hdf5_types_compatible (type_hid, complex_type)) |
|
|
593 { |
|
4837
|
594 H5Tclose (complex_type); |
|
4687
|
595 H5Dclose (data_hid); |
|
|
596 return false; |
|
|
597 } |
|
|
598 |
|
|
599 hid_t space_id = H5Dget_space (data_hid); |
|
|
600 |
|
|
601 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
602 |
|
|
603 if (rank < 1) |
|
|
604 { |
|
4837
|
605 H5Tclose (complex_type); |
|
4687
|
606 H5Sclose (space_id); |
|
|
607 H5Dclose (data_hid); |
|
|
608 return false; |
|
|
609 } |
|
|
610 |
|
|
611 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
612 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
613 |
|
|
614 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
|
|
615 |
|
|
616 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
617 if (rank == 1) |
|
|
618 { |
|
|
619 dv.resize (2); |
|
|
620 dv(0) = 1; |
|
|
621 dv(1) = hdims[0]; |
|
|
622 } |
|
|
623 else |
|
|
624 { |
|
|
625 dv.resize (rank); |
|
4815
|
626 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4687
|
627 dv(j) = hdims[i]; |
|
|
628 } |
|
|
629 |
|
|
630 ComplexNDArray m (dv); |
|
|
631 Complex *reim = m.fortran_vec (); |
|
4815
|
632 if (H5Dread (data_hid, complex_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
|
633 reim) >= 0) |
|
4687
|
634 { |
|
|
635 retval = true; |
|
|
636 matrix = m; |
|
|
637 } |
|
|
638 |
|
4837
|
639 H5Tclose (complex_type); |
|
4687
|
640 H5Sclose (space_id); |
|
|
641 H5Dclose (data_hid); |
|
4837
|
642 |
|
4687
|
643 return retval; |
|
|
644 } |
|
4944
|
645 |
|
4687
|
646 #endif |
|
|
647 |
|
4643
|
648 void |
|
|
649 octave_complex_matrix::print_raw (std::ostream& os, |
|
|
650 bool pr_as_read_syntax) const |
|
|
651 { |
|
|
652 octave_print_internal (os, matrix, pr_as_read_syntax, |
|
|
653 current_print_indent_level ()); |
|
|
654 } |
|
|
655 |
|
2376
|
656 /* |
|
|
657 ;;; Local Variables: *** |
|
|
658 ;;; mode: C++ *** |
|
|
659 ;;; End: *** |
|
|
660 */ |
