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