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1 /* |
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2 |
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2847
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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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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3503
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28 #include <iostream> |
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4726
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29 #include <vector> |
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30 |
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4944
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31 #include "data-conv.h" |
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32 #include "lo-ieee.h" |
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33 #include "mx-base.h" |
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4944
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34 #include "mach-info.h" |
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35 |
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36 #include "gripes.h" |
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37 #include "oct-obj.h" |
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38 #include "oct-stream.h" |
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2410
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39 #include "ops.h" |
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3219
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40 #include "ov-base.h" |
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41 #include "ov-base-mat.h" |
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42 #include "ov-base-mat.cc" |
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2410
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43 #include "ov-complex.h" |
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44 #include "ov-cx-mat.h" |
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2410
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45 #include "ov-re-mat.h" |
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46 #include "ov-scalar.h" |
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47 #include "pr-output.h" |
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48 |
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49 #include "byte-swap.h" |
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50 #include "ls-oct-ascii.h" |
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51 #include "ls-hdf5.h" |
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52 #include "ls-utils.h" |
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53 |
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4513
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54 template class octave_base_matrix<ComplexNDArray>; |
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55 |
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3219
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56 DEFINE_OCTAVE_ALLOCATOR (octave_complex_matrix); |
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57 |
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4612
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58 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_complex_matrix, |
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59 "complex matrix", "double"); |
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60 |
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61 octave_base_value * |
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62 octave_complex_matrix::try_narrowing_conversion (void) |
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63 { |
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64 octave_base_value *retval = 0; |
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65 |
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66 if (matrix.ndims () == 2) |
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67 { |
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68 ComplexMatrix cm = matrix.matrix_value (); |
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69 |
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70 octave_idx_type nr = cm.rows (); |
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71 octave_idx_type nc = cm.cols (); |
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72 |
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73 if (nr == 1 && nc == 1) |
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74 { |
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75 Complex c = matrix (0, 0); |
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76 |
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5450
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77 double im = std::imag (c); |
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78 |
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79 if (im == 0.0 && ! lo_ieee_signbit (im)) |
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80 retval = new octave_scalar (std::real (c)); |
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81 else |
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82 retval = new octave_complex (c); |
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83 } |
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84 else if (nr == 0 || nc == 0) |
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85 retval = new octave_matrix (Matrix (nr, nc)); |
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86 else if (cm.all_elements_are_real ()) |
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87 retval = new octave_matrix (::real (cm)); |
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2410
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88 } |
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4923
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89 else if (matrix.all_elements_are_real ()) |
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90 retval = new octave_matrix (::real (matrix)); |
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91 |
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92 return retval; |
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93 } |
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94 |
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95 void |
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96 octave_complex_matrix::assign (const octave_value_list& idx, |
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97 const ComplexNDArray& rhs) |
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4418
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98 { |
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99 octave_base_matrix<ComplexNDArray>::assign (idx, rhs); |
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4418
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100 } |
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101 |
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102 void |
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103 octave_complex_matrix::assign (const octave_value_list& idx, |
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104 const NDArray& rhs) |
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105 { |
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106 octave_idx_type len = idx.length (); |
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107 |
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108 for (octave_idx_type i = 0; i < len; i++) |
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109 matrix.set_index (idx(i).index_vector ()); |
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110 |
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111 ::assign (matrix, rhs); |
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112 } |
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113 |
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114 bool |
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115 octave_complex_matrix::valid_as_scalar_index (void) const |
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116 { |
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117 // FIXME |
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118 return false; |
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119 } |
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120 |
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121 double |
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122 octave_complex_matrix::double_value (bool force_conversion) const |
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123 { |
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4102
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124 double retval = lo_ieee_nan_value (); |
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125 |
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5781
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126 if (! force_conversion) |
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127 gripe_implicit_conversion ("Octave:imag-to-real", |
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128 "complex matrix", "real scalar"); |
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129 |
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130 if (rows () > 0 && columns () > 0) |
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131 { |
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132 gripe_implicit_conversion ("Octave:array-as-scalar", |
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133 "complex matrix", "real scalar"); |
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134 |
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135 retval = std::real (matrix (0, 0)); |
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136 } |
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137 else |
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138 gripe_invalid_conversion ("complex matrix", "real scalar"); |
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139 |
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140 return retval; |
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141 } |
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142 |
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143 Matrix |
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144 octave_complex_matrix::matrix_value (bool force_conversion) const |
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145 { |
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146 Matrix retval; |
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147 |
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5781
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148 if (! force_conversion) |
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149 gripe_implicit_conversion ("Octave:imag-to-real", |
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150 "complex matrix", "real matrix"); |
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151 |
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152 retval = ::real (matrix.matrix_value ()); |
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153 |
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154 return retval; |
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155 } |
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156 |
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157 Complex |
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158 octave_complex_matrix::complex_value (bool) const |
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159 { |
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4102
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160 double tmp = lo_ieee_nan_value (); |
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161 |
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162 Complex retval (tmp, tmp); |
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163 |
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164 if (rows () > 0 && columns () > 0) |
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165 { |
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166 gripe_implicit_conversion ("Octave:array-as-scalar", |
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167 "complex matrix", "complex scalar"); |
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168 |
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169 retval = matrix (0, 0); |
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170 } |
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171 else |
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172 gripe_invalid_conversion ("complex matrix", "complex scalar"); |
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173 |
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174 return retval; |
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175 } |
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176 |
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177 ComplexMatrix |
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178 octave_complex_matrix::complex_matrix_value (bool) const |
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179 { |
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180 return matrix.matrix_value (); |
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181 } |
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182 |
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183 SparseMatrix |
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184 octave_complex_matrix::sparse_matrix_value (bool force_conversion) const |
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185 { |
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186 SparseMatrix retval; |
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187 |
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5781
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188 if (! force_conversion) |
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189 gripe_implicit_conversion ("Octave:imag-to-real", |
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190 "complex matrix", "real matrix"); |
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191 |
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192 retval = SparseMatrix (::real (matrix.matrix_value ())); |
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193 |
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194 return retval; |
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195 } |
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196 |
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197 SparseComplexMatrix |
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198 octave_complex_matrix::sparse_complex_matrix_value (bool) const |
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199 { |
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200 return SparseComplexMatrix (matrix.matrix_value ()); |
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201 } |
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202 |
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203 bool |
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204 octave_complex_matrix::save_ascii (std::ostream& os, bool& infnan_warned, |
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205 int strip_nan_and_inf) |
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206 { |
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207 dim_vector d = dims (); |
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208 if (d.length () > 2) |
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209 { |
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210 ComplexNDArray tmp = complex_array_value (); |
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211 |
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212 if (strip_nan_and_inf) |
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213 { |
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214 warning ("save: Can not strip Inf or NaN values"); |
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215 warning ("save: Inf or NaN values may not be reloadable"); |
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216 infnan_warned = true; |
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217 } |
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218 else if (! infnan_warned && tmp.any_element_is_inf_or_nan ()) |
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219 { |
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220 warning ("save: Inf or NaN values may not be reloadable"); |
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221 infnan_warned = true; |
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222 } |
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223 |
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224 os << "# ndims: " << d.length () << "\n"; |
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225 |
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226 for (int i = 0; i < d.length (); i++) |
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227 os << " " << d (i); |
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228 |
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229 os << "\n" << tmp; |
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230 } |
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231 else |
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232 { |
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233 // Keep this case, rather than use generic code above for backward |
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234 // compatiability. Makes load_ascii much more complex!! |
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235 os << "# rows: " << rows () << "\n" |
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236 << "# columns: " << columns () << "\n"; |
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237 |
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238 ComplexMatrix tmp = complex_matrix_value (); |
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239 |
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240 tmp.save_ascii (os, infnan_warned, strip_nan_and_inf); |
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241 } |
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242 |
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243 return true; |
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244 } |
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245 |
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246 bool |
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247 octave_complex_matrix::load_ascii (std::istream& is) |
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248 { |
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249 bool success = true; |
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250 |
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251 string_vector keywords(2); |
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252 |
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253 keywords[0] = "ndims"; |
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254 keywords[1] = "rows"; |
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255 |
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256 std::string kw; |
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257 octave_idx_type val = 0; |
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258 |
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259 if (extract_keyword (is, keywords, kw, val, true)) |
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260 { |
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5099
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261 if (kw == "ndims") |
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262 { |
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263 int mdims = static_cast<int> (val); |
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264 |
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265 if (mdims >= 0) |
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266 { |
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5099
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267 dim_vector dv; |
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268 dv.resize (mdims); |
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269 |
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270 for (int i = 0; i < mdims; i++) |
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271 is >> dv(i); |
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272 |
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5099
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273 ComplexNDArray tmp(dv); |
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274 is >> tmp; |
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5099
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275 |
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4687
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276 if (!is) |
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277 { |
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278 error ("load: failed to load matrix constant"); |
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279 success = false; |
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280 } |
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281 matrix = tmp; |
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282 } |
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283 else |
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5099
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284 { |
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285 error ("load: failed to extract number of rows and columns"); |
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286 success = false; |
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287 } |
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288 } |
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5099
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289 else if (kw == "rows") |
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290 { |
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5275
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291 octave_idx_type nr = val; |
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292 octave_idx_type nc = 0; |
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5099
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293 |
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294 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
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295 { |
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296 if (nr > 0 && nc > 0) |
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297 { |
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298 ComplexMatrix tmp (nr, nc); |
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299 is >> tmp; |
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300 if (!is) |
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301 { |
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302 error ("load: failed to load matrix constant"); |
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303 success = false; |
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304 } |
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305 matrix = tmp; |
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306 } |
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307 else if (nr == 0 || nc == 0) |
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308 matrix = ComplexMatrix (nr, nc); |
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309 else |
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310 panic_impossible (); |
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311 } |
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312 else |
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313 { |
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314 error ("load: failed to extract number of rows and columns"); |
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315 success = false; |
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316 } |
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317 } |
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5099
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318 else |
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319 panic_impossible (); |
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320 } |
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321 else |
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322 { |
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323 error ("load: failed to extract number of rows and columns"); |
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324 success = false; |
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4687
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325 } |
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326 |
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327 return success; |
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328 } |
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329 |
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330 bool |
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331 octave_complex_matrix::save_binary (std::ostream& os, bool& save_as_floats) |
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332 { |
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333 dim_vector d = dims (); |
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334 if (d.length() < 1) |
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335 return false; |
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336 |
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337 // Use negative value for ndims to differentiate with old format!! |
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5828
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338 int32_t tmp = - d.length(); |
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5760
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339 os.write (reinterpret_cast<char *> (&tmp), 4); |
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5275
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340 for (int i = 0; i < d.length (); i++) |
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4687
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341 { |
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342 tmp = d(i); |
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5760
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343 os.write (reinterpret_cast<char *> (&tmp), 4); |
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4687
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344 } |
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345 |
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346 ComplexNDArray m = complex_array_value (); |
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347 save_type st = LS_DOUBLE; |
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348 if (save_as_floats) |
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349 { |
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350 if (m.too_large_for_float ()) |
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351 { |
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352 warning ("save: some values too large to save as floats --"); |
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353 warning ("save: saving as doubles instead"); |
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354 } |
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355 else |
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356 st = LS_FLOAT; |
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357 } |
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5775
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358 else if (d.numel () > 4096) // FIXME -- make this configurable. |
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4687
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359 { |
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360 double max_val, min_val; |
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361 if (m.all_integers (max_val, min_val)) |
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362 st = get_save_type (max_val, min_val); |
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363 } |
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364 |
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365 |
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366 const Complex *mtmp = m.data (); |
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5760
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367 write_doubles (os, reinterpret_cast<const double *> (mtmp), st, 2 * d.numel ()); |
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4687
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368 |
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369 return true; |
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370 } |
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371 |
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372 bool |
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373 octave_complex_matrix::load_binary (std::istream& is, bool swap, |
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374 oct_mach_info::float_format fmt) |
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375 { |
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376 char tmp; |
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5828
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377 int32_t mdims; |
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5760
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378 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
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4687
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379 return false; |
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380 if (swap) |
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4944
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381 swap_bytes<4> (&mdims); |
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4687
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382 if (mdims < 0) |
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383 { |
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384 mdims = - mdims; |
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5828
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385 int32_t di; |
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4687
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386 dim_vector dv; |
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387 dv.resize (mdims); |
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388 |
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389 for (int i = 0; i < mdims; i++) |
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390 { |
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5760
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391 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
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4687
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392 return false; |
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393 if (swap) |
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4944
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394 swap_bytes<4> (&di); |
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4687
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395 dv(i) = di; |
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396 } |
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397 |
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5157
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398 // Convert an array with a single dimension to be a row vector. |
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399 // Octave should never write files like this, other software |
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400 // might. |
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401 |
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402 if (mdims == 1) |
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403 { |
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404 mdims = 2; |
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405 dv.resize (mdims); |
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406 dv(1) = dv(0); |
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407 dv(0) = 1; |
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408 } |
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409 |
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5760
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410 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
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4687
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411 return false; |
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412 |
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413 ComplexNDArray m(dv); |
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414 Complex *im = m.fortran_vec (); |
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5760
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415 read_doubles (is, reinterpret_cast<double *> (im), |
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416 static_cast<save_type> (tmp), 2 * dv.numel (), swap, fmt); |
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4687
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417 if (error_state || ! is) |
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418 return false; |
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419 matrix = m; |
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420 } |
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421 else |
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422 { |
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5828
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423 int32_t nr, nc; |
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4687
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424 nr = mdims; |
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5760
|
425 if (! is.read (reinterpret_cast<char *> (&nc), 4)) |
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4687
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426 return false; |
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427 if (swap) |
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4944
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428 swap_bytes<4> (&nc); |
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5760
|
429 if (! is.read (reinterpret_cast<char *> (&tmp), 1)) |
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4687
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430 return false; |
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|
431 ComplexMatrix m (nr, nc); |
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432 Complex *im = m.fortran_vec (); |
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5275
|
433 octave_idx_type len = nr * nc; |
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5760
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434 read_doubles (is, reinterpret_cast<double *> (im), |
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435 static_cast<save_type> (tmp), 2*len, swap, fmt); |
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4687
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436 if (error_state || ! is) |
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437 return false; |
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438 matrix = m; |
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439 } |
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440 return true; |
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441 } |
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442 |
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443 #if defined (HAVE_HDF5) |
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4944
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444 |
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4687
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445 bool |
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446 octave_complex_matrix::save_hdf5 (hid_t loc_id, const char *name, |
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|
447 bool save_as_floats) |
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|
448 { |
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4837
|
449 dim_vector dv = dims (); |
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|
450 int empty = save_hdf5_empty (loc_id, name, dv); |
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|
451 if (empty) |
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4805
|
452 return (empty > 0); |
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453 |
|
4837
|
454 int rank = dv.length (); |
|
4805
|
455 hid_t space_hid = -1, data_hid = -1, type_hid = -1; |
|
4687
|
456 bool retval = true; |
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|
457 ComplexNDArray m = complex_array_value (); |
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|
458 |
|
4805
|
459 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
460 |
|
4687
|
461 // Octave uses column-major, while HDF5 uses row-major ordering |
|
4805
|
462 for (int i = 0; i < rank; i++) |
|
4837
|
463 hdims[i] = dv (rank-i-1); |
|
4805
|
464 |
|
4815
|
465 space_hid = H5Screate_simple (rank, hdims, 0); |
|
4687
|
466 if (space_hid < 0) return false; |
|
|
467 |
|
|
468 hid_t save_type_hid = H5T_NATIVE_DOUBLE; |
|
|
469 |
|
|
470 if (save_as_floats) |
|
|
471 { |
|
|
472 if (m.too_large_for_float ()) |
|
|
473 { |
|
|
474 warning ("save: some values too large to save as floats --"); |
|
|
475 warning ("save: saving as doubles instead"); |
|
|
476 } |
|
|
477 else |
|
|
478 save_type_hid = H5T_NATIVE_FLOAT; |
|
|
479 } |
|
|
480 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS |
|
|
481 // hdf5 currently doesn't support float/integer conversions |
|
|
482 else |
|
|
483 { |
|
|
484 double max_val, min_val; |
|
|
485 |
|
|
486 if (m.all_integers (max_val, min_val)) |
|
|
487 save_type_hid |
|
|
488 = save_type_to_hdf5 (get_save_type (max_val, min_val)); |
|
|
489 } |
|
|
490 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ |
|
|
491 |
|
|
492 type_hid = hdf5_make_complex_type (save_type_hid); |
|
|
493 if (type_hid < 0) |
|
|
494 { |
|
|
495 H5Sclose (space_hid); |
|
|
496 return false; |
|
|
497 } |
|
|
498 |
|
|
499 data_hid = H5Dcreate (loc_id, name, type_hid, space_hid, H5P_DEFAULT); |
|
|
500 if (data_hid < 0) |
|
|
501 { |
|
|
502 H5Sclose (space_hid); |
|
|
503 H5Tclose (type_hid); |
|
|
504 return false; |
|
|
505 } |
|
|
506 |
|
|
507 hid_t complex_type_hid = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
508 if (complex_type_hid < 0) retval = false; |
|
|
509 |
|
|
510 if (retval) |
|
|
511 { |
|
|
512 Complex *mtmp = m.fortran_vec (); |
|
|
513 if (H5Dwrite (data_hid, complex_type_hid, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
4815
|
514 mtmp) < 0) |
|
4687
|
515 { |
|
|
516 H5Tclose (complex_type_hid); |
|
|
517 retval = false; |
|
|
518 } |
|
|
519 } |
|
|
520 |
|
|
521 H5Tclose (complex_type_hid); |
|
|
522 H5Dclose (data_hid); |
|
|
523 H5Tclose (type_hid); |
|
|
524 H5Sclose (space_hid); |
|
4837
|
525 |
|
4687
|
526 return retval; |
|
|
527 } |
|
|
528 |
|
|
529 bool |
|
|
530 octave_complex_matrix::load_hdf5 (hid_t loc_id, const char *name, |
|
|
531 bool /* have_h5giterate_bug */) |
|
|
532 { |
|
4837
|
533 bool retval = false; |
|
|
534 |
|
4805
|
535 dim_vector dv; |
|
|
536 int empty = load_hdf5_empty (loc_id, name, dv); |
|
|
537 if (empty > 0) |
|
|
538 matrix.resize(dv); |
|
4837
|
539 if (empty) |
|
4805
|
540 return (empty > 0); |
|
|
541 |
|
4687
|
542 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
543 hid_t type_hid = H5Dget_type (data_hid); |
|
|
544 |
|
|
545 hid_t complex_type = hdf5_make_complex_type (H5T_NATIVE_DOUBLE); |
|
|
546 |
|
|
547 if (! hdf5_types_compatible (type_hid, complex_type)) |
|
|
548 { |
|
4837
|
549 H5Tclose (complex_type); |
|
4687
|
550 H5Dclose (data_hid); |
|
|
551 return false; |
|
|
552 } |
|
|
553 |
|
|
554 hid_t space_id = H5Dget_space (data_hid); |
|
|
555 |
|
|
556 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
557 |
|
|
558 if (rank < 1) |
|
|
559 { |
|
4837
|
560 H5Tclose (complex_type); |
|
4687
|
561 H5Sclose (space_id); |
|
|
562 H5Dclose (data_hid); |
|
|
563 return false; |
|
|
564 } |
|
|
565 |
|
|
566 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
|
567 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
|
568 |
|
|
569 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
|
|
570 |
|
|
571 // Octave uses column-major, while HDF5 uses row-major ordering |
|
|
572 if (rank == 1) |
|
|
573 { |
|
|
574 dv.resize (2); |
|
|
575 dv(0) = 1; |
|
|
576 dv(1) = hdims[0]; |
|
|
577 } |
|
|
578 else |
|
|
579 { |
|
|
580 dv.resize (rank); |
|
4815
|
581 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
|
4687
|
582 dv(j) = hdims[i]; |
|
|
583 } |
|
|
584 |
|
|
585 ComplexNDArray m (dv); |
|
|
586 Complex *reim = m.fortran_vec (); |
|
4815
|
587 if (H5Dread (data_hid, complex_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
|
588 reim) >= 0) |
|
4687
|
589 { |
|
|
590 retval = true; |
|
|
591 matrix = m; |
|
|
592 } |
|
|
593 |
|
4837
|
594 H5Tclose (complex_type); |
|
4687
|
595 H5Sclose (space_id); |
|
|
596 H5Dclose (data_hid); |
|
4837
|
597 |
|
4687
|
598 return retval; |
|
|
599 } |
|
4944
|
600 |
|
4687
|
601 #endif |
|
|
602 |
|
4643
|
603 void |
|
|
604 octave_complex_matrix::print_raw (std::ostream& os, |
|
|
605 bool pr_as_read_syntax) const |
|
|
606 { |
|
|
607 octave_print_internal (os, matrix, pr_as_read_syntax, |
|
|
608 current_print_indent_level ()); |
|
|
609 } |
|
|
610 |
|
5900
|
611 mxArray * |
|
|
612 octave_complex_matrix::as_mxArray (void) const |
|
|
613 { |
|
|
614 mxArray *retval = new mxArray (mxDOUBLE_CLASS, dims (), mxCOMPLEX); |
|
|
615 |
|
|
616 double *pr = static_cast<double *> (retval->get_data ()); |
|
|
617 double *pi = static_cast<double *> (retval->get_imag_data ()); |
|
|
618 |
|
|
619 int nel = numel (); |
|
|
620 |
|
|
621 const Complex *p = matrix.data (); |
|
|
622 |
|
|
623 for (int i = 0; i < nel; i++) |
|
|
624 { |
|
|
625 pr[i] = real (p[i]); |
|
|
626 pi[i] = imag (p[i]); |
|
|
627 } |
|
|
628 |
|
|
629 return retval; |
|
|
630 } |
|
|
631 |
|
2376
|
632 /* |
|
|
633 ;;; Local Variables: *** |
|
|
634 ;;; mode: C++ *** |
|
|
635 ;;; End: *** |
|
|
636 */ |
