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2871
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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, 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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2901
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30 |
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2871
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31 #include "lo-ieee.h" |
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32 #include "mx-base.h" |
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33 |
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34 #include "gripes.h" |
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35 #include "oct-obj.h" |
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36 #include "ops.h" |
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3219
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37 #include "ov-base.h" |
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38 #include "ov-base-mat.h" |
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39 #include "ov-base-mat.cc" |
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2871
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40 #include "ov-bool.h" |
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41 #include "ov-bool-mat.h" |
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42 #include "ov-re-mat.h" |
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43 #include "pr-output.h" |
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44 |
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4687
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45 #include "byte-swap.h" |
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46 #include "ls-oct-ascii.h" |
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47 #include "ls-hdf5.h" |
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48 #include "ls-utils.h" |
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49 |
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4513
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50 template class octave_base_matrix<boolNDArray>; |
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51 |
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3219
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52 DEFINE_OCTAVE_ALLOCATOR (octave_bool_matrix); |
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53 |
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4612
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54 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_bool_matrix, |
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55 "bool matrix", "logical"); |
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56 |
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5759
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57 static octave_base_value * |
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58 default_numeric_conversion_function (const octave_base_value& a) |
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2871
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59 { |
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60 CAST_CONV_ARG (const octave_bool_matrix&); |
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61 |
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4668
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62 return new octave_matrix (NDArray (v.bool_array_value ())); |
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2871
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63 } |
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64 |
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65 octave_base_value::type_conv_fcn |
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66 octave_bool_matrix::numeric_conversion_function (void) const |
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67 { |
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68 return default_numeric_conversion_function; |
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69 } |
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70 |
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71 octave_base_value * |
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2871
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72 octave_bool_matrix::try_narrowing_conversion (void) |
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73 { |
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5759
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74 octave_base_value *retval = 0; |
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75 |
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4513
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76 if (matrix.ndims () == 2) |
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77 { |
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78 boolMatrix bm = matrix.matrix_value (); |
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79 |
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5275
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80 octave_idx_type nr = bm.rows (); |
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81 octave_idx_type nc = bm.cols (); |
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4513
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82 |
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83 if (nr == 1 && nc == 1) |
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84 retval = new octave_bool (bm (0, 0)); |
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85 } |
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86 |
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87 return retval; |
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88 } |
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89 |
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90 bool |
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91 octave_bool_matrix::valid_as_scalar_index (void) const |
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92 { |
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5775
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93 // FIXME |
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94 return false; |
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95 } |
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96 |
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97 double |
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98 octave_bool_matrix::double_value (bool) const |
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99 { |
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4102
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100 double retval = lo_ieee_nan_value (); |
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101 |
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102 if (rows () > 0 && columns () > 0) |
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103 { |
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5781
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104 gripe_implicit_conversion ("Octave:array-as-scalar", |
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105 "bool matrix", "real scalar"); |
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106 |
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107 retval = matrix (0, 0); |
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108 } |
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109 else |
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110 gripe_invalid_conversion ("bool matrix", "real scalar"); |
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111 |
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112 return retval; |
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113 } |
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114 |
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115 Complex |
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116 octave_bool_matrix::complex_value (bool) const |
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117 { |
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4102
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118 double tmp = lo_ieee_nan_value (); |
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119 |
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120 Complex retval (tmp, tmp); |
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121 |
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4455
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122 if (rows () > 0 && columns () > 0) |
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123 { |
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5781
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124 gripe_implicit_conversion ("Octave:array-as-scalar", |
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125 "bool matrix", "complex scalar"); |
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126 |
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127 retval = matrix (0, 0); |
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128 } |
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129 else |
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130 gripe_invalid_conversion ("bool matrix", "complex scalar"); |
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131 |
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132 return retval; |
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133 } |
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134 |
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135 octave_value |
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5279
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136 octave_bool_matrix::convert_to_str_internal (bool pad, bool force, |
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137 char type) const |
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4457
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138 { |
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4844
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139 octave_value tmp = octave_value (array_value ()); |
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140 return tmp.convert_to_str (pad, force, type); |
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4457
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141 } |
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142 |
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4643
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143 void |
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144 octave_bool_matrix::print_raw (std::ostream& os, |
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145 bool pr_as_read_syntax) const |
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146 { |
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147 octave_print_internal (os, matrix, pr_as_read_syntax, |
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148 current_print_indent_level ()); |
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149 } |
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150 |
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4687
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151 bool |
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152 octave_bool_matrix::save_ascii (std::ostream& os, bool& /* infnan_warned */, |
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153 bool /* strip_nan_and_inf */) |
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154 { |
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155 dim_vector d = dims (); |
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156 if (d.length () > 2) |
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157 { |
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158 NDArray tmp = array_value (); |
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159 os << "# ndims: " << d.length () << "\n"; |
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160 |
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5275
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161 for (int i = 0; i < d.length (); i++) |
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162 os << " " << d (i); |
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163 |
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164 os << "\n" << tmp; |
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165 } |
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166 else |
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167 { |
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168 // Keep this case, rather than use generic code above for backward |
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169 // compatiability. Makes load_ascii much more complex!! |
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170 os << "# rows: " << rows () << "\n" |
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171 << "# columns: " << columns () << "\n"; |
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172 |
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173 Matrix tmp = matrix_value (); |
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174 |
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175 os << tmp; |
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176 } |
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177 |
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178 return true; |
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179 } |
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180 |
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181 bool |
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182 octave_bool_matrix::load_ascii (std::istream& is) |
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183 { |
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184 bool success = true; |
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185 |
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5099
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186 string_vector keywords (2); |
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4687
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187 |
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5099
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188 keywords[0] = "ndims"; |
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189 keywords[1] = "rows"; |
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190 |
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5099
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191 std::string kw; |
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5275
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192 octave_idx_type val = 0; |
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193 |
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5099
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194 if (extract_keyword (is, keywords, kw, val, true)) |
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195 { |
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5099
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196 if (kw == "ndims") |
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197 { |
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198 int mdims = static_cast<int> (val); |
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199 |
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5099
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200 if (mdims >= 0) |
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201 { |
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5099
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202 dim_vector dv; |
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203 dv.resize (mdims); |
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204 |
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205 for (int i = 0; i < mdims; i++) |
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206 is >> dv(i); |
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207 |
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208 NDArray tmp(dv); |
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209 is >> tmp; |
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5099
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210 |
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211 if (!is) |
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212 { |
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213 error ("load: failed to load matrix constant"); |
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214 success = false; |
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215 } |
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216 |
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5099
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217 boolNDArray btmp (dv); |
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218 for (octave_idx_type i = 0; i < btmp.nelem (); i++) |
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219 btmp.elem (i) = (tmp.elem (i) != 0.); |
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220 |
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221 matrix = btmp; |
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222 } |
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223 else |
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5099
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224 { |
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225 error ("load: failed to extract number of rows and columns"); |
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226 success = false; |
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227 } |
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228 } |
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5099
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229 else if (kw == "rows") |
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230 { |
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231 octave_idx_type nr = val; |
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232 octave_idx_type nc = 0; |
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233 |
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234 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) |
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235 { |
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236 if (nr > 0 && nc > 0) |
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237 { |
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238 Matrix tmp (nr, nc); |
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239 is >> tmp; |
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240 if (!is) |
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241 { |
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242 error ("load: failed to load matrix constant"); |
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243 success = false; |
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244 } |
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245 |
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5275
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246 boolMatrix btmp (nr, nc); |
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247 for (octave_idx_type j = 0; j < nc; j++) |
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248 for (octave_idx_type i = 0; i < nr; i++) |
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5099
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249 btmp.elem (i,j) = (tmp.elem (i, j) != 0.); |
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250 |
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251 matrix = btmp; |
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252 } |
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253 else if (nr == 0 || nc == 0) |
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254 matrix = boolMatrix (nr, nc); |
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255 else |
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256 panic_impossible (); |
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257 } |
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258 else |
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259 { |
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260 error ("load: failed to extract number of rows and columns"); |
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261 success = false; |
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262 } |
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4687
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263 } |
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5099
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264 else |
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265 panic_impossible (); |
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266 } |
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267 else |
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268 { |
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269 error ("load: failed to extract number of rows and columns"); |
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270 success = false; |
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4687
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271 } |
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272 |
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273 return success; |
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274 } |
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275 |
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276 bool |
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277 octave_bool_matrix::save_binary (std::ostream& os, bool& /* save_as_floats */) |
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278 { |
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279 |
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280 dim_vector d = dims (); |
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281 if (d.length() < 1) |
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282 return false; |
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283 |
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284 // Use negative value for ndims to differentiate with old format!! |
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285 FOUR_BYTE_INT tmp = - d.length(); |
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5760
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286 os.write (reinterpret_cast<char *> (&tmp), 4); |
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5275
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287 for (int i = 0; i < d.length (); i++) |
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4687
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288 { |
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289 tmp = d(i); |
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5760
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290 os.write (reinterpret_cast<char *> (&tmp), 4); |
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4687
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291 } |
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292 |
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293 boolNDArray m = bool_array_value (); |
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294 bool *mtmp = m.fortran_vec (); |
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5275
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295 octave_idx_type nel = m.nelem (); |
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4687
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296 OCTAVE_LOCAL_BUFFER (char, htmp, nel); |
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297 |
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5275
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298 for (octave_idx_type i = 0; i < nel; i++) |
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299 htmp[i] = (mtmp[i] ? 1 : 0); |
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300 |
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301 os.write (htmp, nel); |
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302 |
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303 return true; |
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304 } |
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305 |
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306 bool |
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307 octave_bool_matrix::load_binary (std::istream& is, bool swap, |
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308 oct_mach_info::float_format /* fmt */) |
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309 { |
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310 FOUR_BYTE_INT mdims; |
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5760
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311 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
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4687
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312 return false; |
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313 if (swap) |
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4944
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314 swap_bytes<4> (&mdims); |
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4687
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315 if (mdims >= 0) |
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316 return false; |
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317 |
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318 // mdims is negative for consistency with other matrices, where it is |
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319 // negative to allow the positive value to be used for rows/cols for |
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320 // backward compatibility |
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321 mdims = - mdims; |
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322 FOUR_BYTE_INT di; |
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323 dim_vector dv; |
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324 dv.resize (mdims); |
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325 |
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326 for (int i = 0; i < mdims; i++) |
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327 { |
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5760
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328 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
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329 return false; |
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330 if (swap) |
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4944
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331 swap_bytes<4> (&di); |
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4687
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332 dv(i) = di; |
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333 } |
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334 |
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5157
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335 // Convert an array with a single dimension to be a row vector. |
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336 // Octave should never write files like this, other software |
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337 // might. |
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338 |
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339 if (mdims == 1) |
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340 { |
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341 mdims = 2; |
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342 dv.resize (mdims); |
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343 dv(1) = dv(0); |
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344 dv(0) = 1; |
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345 } |
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346 |
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5275
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347 octave_idx_type nel = dv.numel (); |
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4687
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348 OCTAVE_LOCAL_BUFFER (char, htmp, nel); |
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349 if (! is.read (htmp, nel)) |
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350 return false; |
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351 boolNDArray m(dv); |
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352 bool *mtmp = m.fortran_vec (); |
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5275
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353 for (octave_idx_type i = 0; i < nel; i++) |
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4687
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354 mtmp[i] = (htmp[i] ? 1 : 0); |
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355 matrix = m; |
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356 |
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357 return true; |
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358 } |
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359 |
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360 #if defined (HAVE_HDF5) |
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4944
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361 |
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4687
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362 bool |
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363 octave_bool_matrix::save_hdf5 (hid_t loc_id, const char *name, |
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364 bool /* save_as_floats */) |
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365 { |
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4837
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366 dim_vector dv = dims (); |
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367 int empty = save_hdf5_empty (loc_id, name, dv); |
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368 if (empty) |
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4805
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369 return (empty > 0); |
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370 |
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4837
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371 int rank = dv.length (); |
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4687
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372 hid_t space_hid = -1, data_hid = -1; |
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373 bool retval = true; |
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374 boolNDArray m = bool_array_value (); |
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375 |
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4805
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376 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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377 |
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4687
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378 // Octave uses column-major, while HDF5 uses row-major ordering |
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4805
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379 for (int i = 0; i < rank; i++) |
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4837
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380 hdims[i] = dv (rank-i-1); |
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4687
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381 |
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4815
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382 space_hid = H5Screate_simple (rank, hdims, 0); |
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4687
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383 if (space_hid < 0) return false; |
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384 |
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385 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_HBOOL, space_hid, |
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386 H5P_DEFAULT); |
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387 if (data_hid < 0) |
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388 { |
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389 H5Sclose (space_hid); |
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390 return false; |
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391 } |
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392 |
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5275
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393 octave_idx_type nel = m.nelem (); |
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4687
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394 bool *mtmp = m.fortran_vec (); |
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395 hbool_t htmp[nel]; |
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396 |
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5275
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397 for (octave_idx_type i = 0; i < nel; i++) |
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4687
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398 htmp[i] = mtmp[i]; |
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399 |
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400 retval = H5Dwrite (data_hid, H5T_NATIVE_HBOOL, H5S_ALL, H5S_ALL, |
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4815
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401 H5P_DEFAULT, htmp) >= 0; |
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4687
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402 |
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403 H5Dclose (data_hid); |
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404 H5Sclose (space_hid); |
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4837
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405 |
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4687
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406 return retval; |
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407 } |
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408 |
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409 bool |
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410 octave_bool_matrix::load_hdf5 (hid_t loc_id, const char *name, |
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411 bool /* have_h5giterate_bug */) |
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412 { |
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4837
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413 bool retval = false; |
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414 |
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4805
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415 dim_vector dv; |
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416 int empty = load_hdf5_empty (loc_id, name, dv); |
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417 if (empty > 0) |
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418 matrix.resize(dv); |
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4837
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419 if (empty) |
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420 return (empty > 0); |
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4805
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421 |
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4687
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422 hid_t data_hid = H5Dopen (loc_id, name); |
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423 hid_t space_id = H5Dget_space (data_hid); |
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424 |
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425 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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426 |
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427 if (rank < 1) |
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428 { |
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429 H5Dclose (data_hid); |
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430 return false; |
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431 } |
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432 |
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433 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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434 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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435 |
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436 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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437 |
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438 // Octave uses column-major, while HDF5 uses row-major ordering |
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439 if (rank == 1) |
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440 { |
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441 dv.resize (2); |
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442 dv(0) = 1; |
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443 dv(1) = hdims[0]; |
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444 } |
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445 else |
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446 { |
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447 dv.resize (rank); |
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4815
|
448 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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4687
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449 dv(j) = hdims[i]; |
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450 } |
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451 |
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5275
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452 octave_idx_type nel = dv.numel (); |
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4687
|
453 hbool_t htmp[nel]; |
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|
454 if (H5Dread (data_hid, H5T_NATIVE_HBOOL, H5S_ALL, H5S_ALL, |
|
4815
|
455 H5P_DEFAULT, htmp) >= 0) |
|
4687
|
456 { |
|
|
457 retval = true; |
|
|
458 |
|
|
459 boolNDArray btmp (dv); |
|
5275
|
460 for (octave_idx_type i = 0; i < nel; i++) |
|
4687
|
461 btmp.elem (i) = htmp[i]; |
|
|
462 |
|
|
463 matrix = btmp; |
|
|
464 } |
|
|
465 |
|
|
466 H5Dclose (data_hid); |
|
4837
|
467 |
|
4687
|
468 return retval; |
|
|
469 } |
|
4944
|
470 |
|
4687
|
471 #endif |
|
|
472 |
|
2871
|
473 /* |
|
|
474 ;;; Local Variables: *** |
|
|
475 ;;; mode: C++ *** |
|
|
476 ;;; End: *** |
|
|
477 */ |
