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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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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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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 static ComplexMatrix |
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183 strip_infnan (const ComplexMatrix& m) |
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184 { |
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185 int nr = m.rows (); |
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186 int nc = m.columns (); |
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187 |
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188 ComplexMatrix retval (nr, nc); |
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189 |
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190 int k = 0; |
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191 for (int i = 0; i < nr; i++) |
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192 { |
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193 for (int j = 0; j < nc; j++) |
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194 { |
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195 Complex c = m (i, j); |
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196 if (xisnan (c)) |
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197 goto next_row; |
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198 else |
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199 { |
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200 double re = real (c); |
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201 double im = imag (c); |
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202 |
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203 re = xisinf (re) ? (re > 0 ? OCT_RBV : -OCT_RBV) : re; |
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204 im = xisinf (im) ? (im > 0 ? OCT_RBV : -OCT_RBV) : im; |
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205 |
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206 retval (k, j) = Complex (re, im); |
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207 } |
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208 } |
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209 k++; |
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210 |
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211 next_row: |
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212 continue; |
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213 } |
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214 |
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215 if (k > 0) |
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216 retval.resize (k, nc); |
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217 |
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218 return retval; |
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219 } |
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220 |
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221 bool |
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222 octave_complex_matrix::save_ascii (std::ostream& os, bool& infnan_warned, |
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223 bool strip_nan_and_inf) |
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224 { |
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225 dim_vector d = dims (); |
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226 if (d.length () > 2) |
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227 { |
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228 ComplexNDArray tmp = complex_array_value (); |
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229 |
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230 if (strip_nan_and_inf) |
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231 { |
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232 warning ("save: Can not strip Inf or NaN values"); |
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233 warning ("save: Inf or NaN values may not be reloadable"); |
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234 infnan_warned = true; |
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235 } |
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236 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
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237 { |
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238 warning ("save: Inf or NaN values may not be reloadable"); |
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239 infnan_warned = true; |
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240 } |
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241 |
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242 os << "# ndims: " << d.length () << "\n"; |
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243 |
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244 for (int i=0; i < d.length (); i++) |
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245 os << " " << d (i); |
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246 |
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247 os << "\n" << tmp; |
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248 } |
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249 else |
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250 { |
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251 // Keep this case, rather than use generic code above for backward |
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252 // compatiability. Makes load_ascii much more complex!! |
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253 os << "# rows: " << rows () << "\n" |
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254 << "# columns: " << columns () << "\n"; |
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255 |
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256 ComplexMatrix tmp = complex_matrix_value (); |
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257 |
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258 if (strip_nan_and_inf) |
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259 tmp = strip_infnan (tmp); |
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260 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
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261 { |
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262 warning ("save: Inf or NaN values may not be reloadable"); |
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263 infnan_warned = true; |
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264 } |
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265 |
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266 os << tmp; |
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267 } |
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268 |
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269 return true; |
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270 } |
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271 |
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272 bool |
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273 octave_complex_matrix::load_ascii (std::istream& is) |
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274 { |
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275 bool success = true; |
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276 |
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277 string_vector keywords(2); |
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278 |
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279 keywords[0] = "ndims"; |
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280 keywords[1] = "rows"; |
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281 |
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282 std::string kw; |
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283 int val = 0; |
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284 |
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285 if (extract_keyword (is, keywords, kw, val, true)) |
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286 { |
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287 if (kw == "ndims") |
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288 { |
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289 int mdims = val; |
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290 |
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291 if (mdims >= 0) |
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292 { |
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293 dim_vector dv; |
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294 dv.resize (mdims); |
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295 |
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296 for (int i = 0; i < mdims; i++) |
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297 is >> dv(i); |
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298 |
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299 ComplexNDArray tmp(dv); |
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300 is >> tmp; |
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301 |
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302 if (!is) |
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303 { |
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304 error ("load: failed to load matrix constant"); |
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305 success = false; |
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306 } |
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307 matrix = tmp; |
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308 } |
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309 else |
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310 { |
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311 error ("load: failed to extract number of rows and columns"); |
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312 success = false; |
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313 } |
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314 } |
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315 else if (kw == "rows") |
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316 { |
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317 int nr = val; |
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318 int nc = 0; |
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319 |
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320 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
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321 { |
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322 if (nr > 0 && nc > 0) |
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323 { |
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324 ComplexMatrix tmp (nr, nc); |
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325 is >> tmp; |
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326 if (!is) |
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327 { |
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328 error ("load: failed to load matrix constant"); |
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329 success = false; |
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330 } |
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331 matrix = tmp; |
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332 } |
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333 else if (nr == 0 || nc == 0) |
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334 matrix = ComplexMatrix (nr, nc); |
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335 else |
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336 panic_impossible (); |
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337 } |
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338 else |
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339 { |
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340 error ("load: failed to extract number of rows and columns"); |
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341 success = false; |
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342 } |
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343 } |
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5099
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344 else |
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345 panic_impossible (); |
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346 } |
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347 else |
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348 { |
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349 error ("load: failed to extract number of rows and columns"); |
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350 success = false; |
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351 } |
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352 |
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353 return success; |
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354 } |
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355 |
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356 bool |
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357 octave_complex_matrix::save_binary (std::ostream& os, bool& save_as_floats) |
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358 { |
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359 dim_vector d = dims (); |
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360 if (d.length() < 1) |
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361 return false; |
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362 |
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363 // Use negative value for ndims to differentiate with old format!! |
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364 FOUR_BYTE_INT tmp = - d.length(); |
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365 os.write (X_CAST (char *, &tmp), 4); |
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366 for (int i=0; i < d.length (); i++) |
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367 { |
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368 tmp = d(i); |
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369 os.write (X_CAST (char *, &tmp), 4); |
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370 } |
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371 |
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372 ComplexNDArray m = complex_array_value (); |
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373 save_type st = LS_DOUBLE; |
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374 if (save_as_floats) |
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375 { |
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376 if (m.too_large_for_float ()) |
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377 { |
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378 warning ("save: some values too large to save as floats --"); |
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379 warning ("save: saving as doubles instead"); |
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380 } |
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381 else |
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382 st = LS_FLOAT; |
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383 } |
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384 else if (d.numel () > 4096) // XXX FIXME XXX -- make this configurable. |
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385 { |
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386 double max_val, min_val; |
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387 if (m.all_integers (max_val, min_val)) |
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388 st = get_save_type (max_val, min_val); |
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389 } |
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390 |
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391 |
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392 const Complex *mtmp = m.data (); |
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393 write_doubles (os, X_CAST (const double *, mtmp), st, 2 * d.numel ()); |
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394 |
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395 return true; |
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396 } |
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397 |
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398 bool |
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399 octave_complex_matrix::load_binary (std::istream& is, bool swap, |
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400 oct_mach_info::float_format fmt) |
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401 { |
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402 char tmp; |
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403 FOUR_BYTE_INT mdims; |
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404 if (! is.read (X_CAST (char *, &mdims), 4)) |
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405 return false; |
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406 if (swap) |
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4944
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407 swap_bytes<4> (&mdims); |
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4687
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408 if (mdims < 0) |
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409 { |
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410 mdims = - mdims; |
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411 FOUR_BYTE_INT di; |
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412 dim_vector dv; |
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413 dv.resize (mdims); |
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414 |
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415 for (int i = 0; i < mdims; i++) |
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416 { |
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417 if (! is.read (X_CAST (char *, &di), 4)) |
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418 return false; |
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419 if (swap) |
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4944
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420 swap_bytes<4> (&di); |
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4687
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421 dv(i) = di; |
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422 } |
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423 |
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424 if (! is.read (X_CAST (char *, &tmp), 1)) |
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425 return false; |
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426 |
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427 ComplexNDArray m(dv); |
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428 Complex *im = m.fortran_vec (); |
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429 read_doubles (is, X_CAST (double *, im), X_CAST (save_type, tmp), |
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430 2 * dv.numel (), swap, fmt); |
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431 if (error_state || ! is) |
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432 return false; |
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433 matrix = m; |
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434 } |
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435 else |
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436 { |
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437 FOUR_BYTE_INT nr, nc; |
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438 nr = mdims; |
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439 if (! is.read (X_CAST (char *, &nc), 4)) |
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440 return false; |
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441 if (swap) |
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4944
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442 swap_bytes<4> (&nc); |
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4687
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443 if (! is.read (X_CAST (char *, &tmp), 1)) |
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444 return false; |
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445 ComplexMatrix m (nr, nc); |
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446 Complex *im = m.fortran_vec (); |
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447 int len = nr * nc; |
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448 read_doubles (is, X_CAST (double *, im), |
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449 X_CAST (save_type, tmp), 2*len, swap, fmt); |
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450 if (error_state || ! is) |
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451 return false; |
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452 matrix = m; |
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453 } |
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454 return true; |
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455 } |
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456 |
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457 #if defined (HAVE_HDF5) |
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4944
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458 |
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4687
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459 bool |
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460 octave_complex_matrix::save_hdf5 (hid_t loc_id, const char *name, |
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461 bool save_as_floats) |
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462 { |
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4837
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463 dim_vector dv = dims (); |
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464 int empty = save_hdf5_empty (loc_id, name, dv); |
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465 if (empty) |
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4805
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466 return (empty > 0); |
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467 |
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4837
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468 int rank = dv.length (); |
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4805
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469 hid_t space_hid = -1, data_hid = -1, type_hid = -1; |
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4687
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470 bool retval = true; |
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471 ComplexNDArray m = complex_array_value (); |
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472 |
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4805
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473 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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474 |
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4687
|
475 // Octave uses column-major, while HDF5 uses row-major ordering |
|
4805
|
476 for (int i = 0; i < rank; i++) |
|
4837
|
477 hdims[i] = dv (rank-i-1); |
|
4805
|
478 |
|
4815
|
479 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4687
|
480 if (space_hid < 0) return false; |
|
|
481 |
|
|
482 hid_t save_type_hid = H5T_NATIVE_DOUBLE; |
|
|
483 |
|
|
484 if (save_as_floats) |
|
|
485 { |
|
|
486 if (m.too_large_for_float ()) |
|
|
487 { |
|
|
488 warning ("save: some values too large to save as floats --"); |
|
|
489 warning ("save: saving as doubles instead"); |
|
|
490 } |
|
|
491 else |
|
|
492 save_type_hid = H5T_NATIVE_FLOAT; |
|
|
493 } |
|
|
494 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS |
|
|
495 // hdf5 currently doesn't support float/integer conversions |
|
|
496 else |
|
|
497 { |
|
|
498 double max_val, min_val; |
|
|
499 |
|
|
500 if (m.all_integers (max_val, min_val)) |
|
|
501 save_type_hid |
|
|
502 = save_type_to_hdf5 (get_save_type (max_val, min_val)); |
|
|
503 } |
|
|
504 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ |
|
|
505 |
|
|
506 type_hid = hdf5_make_complex_type (save_type_hid); |
|
|
507 if (type_hid < 0) |
|
|
508 { |
|
|
509 H5Sclose (space_hid); |
|
|
510 return false; |
|
|
511 } |
|
|
512 |
|
|
513 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, H5P_DEFAULT); |
|
|
514 if (data_hid < 0) |
|
|
515 { |
|
|
516 H5Sclose (space_hid); |
|
|
517 H5Tclose (type_hid); |
|
|
518 return false; |
|
|
519 } |
|
|
520 |
|
|
521 hid_t complex_type_hid = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
522 if (complex_type_hid < 0) retval = false; |
|
|
523 |
|
|
524 if (retval) |
|
|
525 { |
|
|
526 Complex *mtmp = m.fortran_vec (); |
|
|
527 if (H5Dwrite (data_hid, complex_type_hid, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
4815
|
528 mtmp) < 0) |
|
4687
|
529 { |
|
|
530 H5Tclose (complex_type_hid); |
|
|
531 retval = false; |
|
|
532 } |
|
|
533 } |
|
|
534 |
|
|
535 H5Tclose (complex_type_hid); |
|
|
536 H5Dclose (data_hid); |
|
|
537 H5Tclose (type_hid); |
|
|
538 H5Sclose (space_hid); |
|
4837
|
539 |
|
4687
|
540 return retval; |
|
|
541 } |
|
|
542 |
|
|
543 bool |
|
|
544 octave_complex_matrix::load_hdf5 (hid_t loc_id, const char *name, |
|
|
545 bool /* have_h5giterate_bug */) |
|
|
546 { |
|
4837
|
547 bool retval = false; |
|
|
548 |
|
4805
|
549 dim_vector dv; |
|
|
550 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
551 if (empty > 0) |
|
|
552 matrix.resize(dv); |
|
4837
|
553 if (empty) |
|
4805
|
554 return (empty > 0); |
|
|
555 |
|
4687
|
556 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
557 hid_t type_hid = H5Dget_type (data_hid); |
|
|
558 |
|
|
559 hid_t complex_type = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
560 |
|
|
561 if (! hdf5_types_compatible (type_hid, complex_type)) |
|
|
562 { |
|
4837
|
563 H5Tclose (complex_type); |
|
4687
|
564 H5Dclose (data_hid); |
|
|
565 return false; |
|
|
566 } |
|
|
567 |
|
|
568 hid_t space_id = H5Dget_space (data_hid); |
|
|
569 |
|
|
570 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
571 |
|
|
572 if (rank < 1) |
|
|
573 { |
|
4837
|
574 H5Tclose (complex_type); |
|
4687
|
575 H5Sclose (space_id); |
|
|
576 H5Dclose (data_hid); |
|
|
577 return false; |
|
|
578 } |
|
|
579 |
|
|
580 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
581 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
582 |
|
|
583 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
|
|
584 |
|
|
585 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
586 if (rank == 1) |
|
|
587 { |
|
|
588 dv.resize (2); |
|
|
589 dv(0) = 1; |
|
|
590 dv(1) = hdims[0]; |
|
|
591 } |
|
|
592 else |
|
|
593 { |
|
|
594 dv.resize (rank); |
|
4815
|
595 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4687
|
596 dv(j) = hdims[i]; |
|
|
597 } |
|
|
598 |
|
|
599 ComplexNDArray m (dv); |
|
|
600 Complex *reim = m.fortran_vec (); |
|
4815
|
601 if (H5Dread (data_hid, complex_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
|
602 reim) >= 0) |
|
4687
|
603 { |
|
|
604 retval = true; |
|
|
605 matrix = m; |
|
|
606 } |
|
|
607 |
|
4837
|
608 H5Tclose (complex_type); |
|
4687
|
609 H5Sclose (space_id); |
|
|
610 H5Dclose (data_hid); |
|
4837
|
611 |
|
4687
|
612 return retval; |
|
|
613 } |
|
4944
|
614 |
|
4687
|
615 #endif |
|
|
616 |
|
4643
|
617 void |
|
|
618 octave_complex_matrix::print_raw (std::ostream& os, |
|
|
619 bool pr_as_read_syntax) const |
|
|
620 { |
|
|
621 octave_print_internal (os, matrix, pr_as_read_syntax, |
|
|
622 current_print_indent_level ()); |
|
|
623 } |
|
|
624 |
|
2376
|
625 /* |
|
|
626 ;;; Local Variables: *** |
|
|
627 ;;; mode: C++ *** |
|
|
628 ;;; End: *** |
|
|
629 */ |
