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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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4192
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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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3503
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31 #include <iostream> |
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4726
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32 #include <vector> |
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2901
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33 |
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34 #include "lo-ieee.h" |
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35 #include "mx-base.h" |
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36 |
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37 #include "gripes.h" |
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38 #include "oct-obj.h" |
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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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43 #include "ov-bool.h" |
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44 #include "ov-bool-mat.h" |
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45 #include "ov-re-mat.h" |
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46 #include "pr-output.h" |
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47 |
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48 #include "byte-swap.h" |
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49 #include "ls-oct-ascii.h" |
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50 #include "ls-hdf5.h" |
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51 #include "ls-utils.h" |
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52 |
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4513
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53 template class octave_base_matrix<boolNDArray>; |
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54 |
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55 DEFINE_OCTAVE_ALLOCATOR (octave_bool_matrix); |
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56 |
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4612
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57 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_bool_matrix, |
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58 "bool matrix", "logical"); |
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59 |
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60 static octave_value * |
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61 default_numeric_conversion_function (const octave_value& a) |
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62 { |
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63 CAST_CONV_ARG (const octave_bool_matrix&); |
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64 |
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65 return new octave_matrix (NDArray (v.bool_array_value ())); |
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66 } |
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67 |
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68 type_conv_fcn |
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69 octave_bool_matrix::numeric_conversion_function (void) const |
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70 { |
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71 return default_numeric_conversion_function; |
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72 } |
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73 |
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74 octave_value * |
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75 octave_bool_matrix::try_narrowing_conversion (void) |
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76 { |
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77 octave_value *retval = 0; |
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78 |
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4513
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79 if (matrix.ndims () == 2) |
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80 { |
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81 boolMatrix bm = matrix.matrix_value (); |
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82 |
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83 int nr = bm.rows (); |
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84 int nc = bm.cols (); |
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85 |
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86 if (nr == 1 && nc == 1) |
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87 retval = new octave_bool (bm (0, 0)); |
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88 } |
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89 |
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90 return retval; |
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91 } |
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92 |
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93 bool |
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94 octave_bool_matrix::valid_as_scalar_index (void) const |
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95 { |
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96 // XXX FIXME XXX |
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97 return false; |
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98 } |
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99 |
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100 double |
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101 octave_bool_matrix::double_value (bool) const |
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102 { |
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103 double retval = lo_ieee_nan_value (); |
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104 |
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105 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
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106 if (rows () > 0 && columns () > 0) |
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107 { |
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108 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
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109 if (Vwarn_fortran_indexing) |
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110 gripe_implicit_conversion ("bool matrix", "real scalar"); |
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111 |
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112 retval = matrix (0, 0); |
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113 } |
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114 else |
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115 gripe_invalid_conversion ("bool matrix", "real scalar"); |
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116 |
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117 return retval; |
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118 } |
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119 |
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120 Complex |
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121 octave_bool_matrix::complex_value (bool) const |
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122 { |
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123 double tmp = lo_ieee_nan_value (); |
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124 |
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125 Complex retval (tmp, tmp); |
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126 |
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127 // XXX FIXME XXX -- maybe this should be a function, valid_as_scalar() |
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128 if (rows () > 0 && columns () > 0) |
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129 { |
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130 // XXX FIXME XXX -- is warn_fortran_indexing the right variable here? |
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131 if (Vwarn_fortran_indexing) |
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132 gripe_implicit_conversion ("bool matrix", "complex scalar"); |
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133 |
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134 retval = matrix (0, 0); |
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135 } |
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136 else |
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137 gripe_invalid_conversion ("bool matrix", "complex scalar"); |
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138 |
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139 return retval; |
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140 } |
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141 |
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142 octave_value |
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143 octave_bool_matrix::convert_to_str_internal (bool pad, bool force) const |
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144 { |
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145 octave_value tmp = octave_value (matrix_value ()); |
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146 return tmp.convert_to_str (pad, force); |
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147 } |
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148 |
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149 void |
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150 octave_bool_matrix::print_raw (std::ostream& os, |
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151 bool pr_as_read_syntax) const |
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152 { |
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153 octave_print_internal (os, matrix, pr_as_read_syntax, |
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154 current_print_indent_level ()); |
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155 } |
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156 |
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157 bool |
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158 octave_bool_matrix::save_ascii (std::ostream& os, bool& /* infnan_warned */, |
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159 bool /* strip_nan_and_inf */) |
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160 { |
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161 dim_vector d = dims (); |
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162 if (d.length () > 2) |
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163 { |
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164 NDArray tmp = array_value (); |
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165 os << "# ndims: " << d.length () << "\n"; |
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166 |
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167 for (int i=0; i < d.length (); i++) |
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168 os << " " << d (i); |
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169 |
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170 os << "\n" << tmp; |
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171 } |
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172 else |
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173 { |
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174 // Keep this case, rather than use generic code above for backward |
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175 // compatiability. Makes load_ascii much more complex!! |
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176 os << "# rows: " << rows () << "\n" |
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177 << "# columns: " << columns () << "\n"; |
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178 |
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179 Matrix tmp = matrix_value (); |
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180 |
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181 os << tmp; |
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182 } |
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183 |
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184 return true; |
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185 } |
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186 |
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187 bool |
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188 octave_bool_matrix::load_ascii (std::istream& is) |
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189 { |
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190 int mdims = 0; |
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191 bool success = true; |
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192 std::streampos pos = is.tellg (); |
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193 |
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194 if (extract_keyword (is, "ndims", mdims, true)) |
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195 { |
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196 if (mdims >= 0) |
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197 { |
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198 dim_vector dv; |
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199 dv.resize (mdims); |
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200 |
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201 for (int i = 0; i < mdims; i++) |
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202 is >> dv(i); |
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203 |
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204 NDArray tmp(dv); |
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205 is >> tmp; |
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206 |
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207 if (!is) |
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208 { |
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209 error ("load: failed to load matrix constant"); |
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210 success = false; |
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211 } |
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212 |
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213 boolNDArray btmp (dv); |
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214 for (int i = 0; i < btmp.nelem (); i++) |
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215 btmp.elem (i) = (tmp.elem (i) != 0.); |
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216 |
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217 matrix = btmp; |
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218 } |
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219 else |
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220 { |
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221 error ("load: failed to extract number of rows and columns"); |
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222 success = false; |
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223 } |
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224 } |
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225 else |
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226 { |
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227 int nr = 0; |
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228 int nc = 0; |
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229 |
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230 // re-read the same line again |
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231 is.clear (); |
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232 is.seekg (pos); |
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233 |
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234 if (extract_keyword (is, "rows", nr) && nr >= 0 |
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235 && extract_keyword (is, "columns", nc) && nc >= 0) |
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236 { |
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237 if (nr > 0 && nc > 0) |
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238 { |
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239 Matrix tmp (nr, nc); |
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240 is >> tmp; |
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241 if (!is) |
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242 { |
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243 error ("load: failed to load matrix constant"); |
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244 success = false; |
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245 } |
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246 |
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247 boolMatrix btmp (nr,nc); |
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248 for (int j = 0; j < nc; j++) |
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249 for (int i = 0; i < nr; i++) |
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250 btmp.elem (i,j) = (tmp.elem (i, j) != 0.); |
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251 |
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252 matrix = btmp; |
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253 } |
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254 else if (nr == 0 || nc == 0) |
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255 matrix = boolMatrix (nr, nc); |
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256 else |
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257 panic_impossible (); |
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258 } |
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259 else |
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260 { |
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261 error ("load: failed to extract number of rows and columns"); |
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262 success = false; |
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263 } |
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264 } |
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265 |
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266 return success; |
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267 } |
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268 |
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269 bool |
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270 octave_bool_matrix::save_binary (std::ostream& os, bool& /* save_as_floats */) |
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271 { |
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272 |
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273 dim_vector d = dims (); |
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274 if (d.length() < 1) |
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275 return false; |
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276 |
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277 // Use negative value for ndims to differentiate with old format!! |
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278 FOUR_BYTE_INT tmp = - d.length(); |
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279 os.write (X_CAST (char *, &tmp), 4); |
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280 for (int i=0; i < d.length (); i++) |
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281 { |
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282 tmp = d(i); |
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283 os.write (X_CAST (char *, &tmp), 4); |
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284 } |
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285 |
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286 boolNDArray m = bool_array_value (); |
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287 bool *mtmp = m.fortran_vec (); |
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288 int nel = m.nelem (); |
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289 OCTAVE_LOCAL_BUFFER (char, htmp, nel); |
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290 |
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291 for (int i = 0; i < nel; i++) |
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292 htmp[i] = (mtmp[i] ? 1 : 0); |
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293 |
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294 os.write (htmp, nel); |
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295 |
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296 return true; |
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297 } |
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298 |
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299 bool |
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300 octave_bool_matrix::load_binary (std::istream& is, bool swap, |
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301 oct_mach_info::float_format /* fmt */) |
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302 { |
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303 FOUR_BYTE_INT mdims; |
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304 if (! is.read (X_CAST (char *, &mdims), 4)) |
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305 return false; |
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306 if (swap) |
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307 swap_4_bytes (X_CAST (char *, &mdims)); |
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308 if (mdims >= 0) |
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309 return false; |
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310 |
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311 // mdims is negative for consistency with other matrices, where it is |
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312 // negative to allow the positive value to be used for rows/cols for |
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313 // backward compatibility |
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314 mdims = - mdims; |
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315 FOUR_BYTE_INT di; |
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316 dim_vector dv; |
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317 dv.resize (mdims); |
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318 |
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319 for (int i = 0; i < mdims; i++) |
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320 { |
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321 if (! is.read (X_CAST (char *, &di), 4)) |
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322 return false; |
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323 if (swap) |
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324 swap_4_bytes (X_CAST (char *, &di)); |
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325 dv(i) = di; |
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326 } |
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327 |
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328 int nel = dv.numel (); |
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329 OCTAVE_LOCAL_BUFFER (char, htmp, nel); |
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330 if (! is.read (htmp, nel)) |
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331 return false; |
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332 boolNDArray m(dv); |
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333 bool *mtmp = m.fortran_vec (); |
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334 for (int i = 0; i < nel; i++) |
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335 mtmp[i] = (htmp[i] ? 1 : 0); |
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336 matrix = m; |
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337 |
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338 return true; |
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339 } |
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340 |
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341 #if defined (HAVE_HDF5) |
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342 bool |
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343 octave_bool_matrix::save_hdf5 (hid_t loc_id, const char *name, |
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344 bool /* save_as_floats */) |
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345 { |
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346 dim_vector d = dims (); |
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347 int empty = save_hdf5_empty (loc_id, name, d); |
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348 if (empty != 0) |
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349 return (empty > 0); |
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350 |
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351 int rank = d.length (); |
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352 hid_t space_hid = -1, data_hid = -1; |
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353 bool retval = true; |
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354 boolNDArray m = bool_array_value (); |
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355 |
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356 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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357 |
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358 // Octave uses column-major, while HDF5 uses row-major ordering |
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359 for (int i = 0; i < rank; i++) |
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360 hdims[i] = d (rank-i-1); |
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361 |
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362 space_hid = H5Screate_simple (rank, hdims, (hsize_t*) 0); |
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363 if (space_hid < 0) return false; |
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364 |
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365 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_HBOOL, space_hid, |
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366 H5P_DEFAULT); |
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367 if (data_hid < 0) |
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368 { |
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369 H5Sclose (space_hid); |
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370 return false; |
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371 } |
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372 |
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373 int nel = m.nelem (); |
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374 bool *mtmp = m.fortran_vec (); |
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375 hbool_t htmp[nel]; |
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376 |
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377 for (int i = 0; i < nel; i++) |
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378 htmp[i] = mtmp[i]; |
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379 |
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380 retval = H5Dwrite (data_hid, H5T_NATIVE_HBOOL, H5S_ALL, H5S_ALL, |
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381 H5P_DEFAULT, (void*) htmp) >= 0; |
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382 |
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383 H5Dclose (data_hid); |
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384 H5Sclose (space_hid); |
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385 return retval; |
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386 } |
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387 |
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388 bool |
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389 octave_bool_matrix::load_hdf5 (hid_t loc_id, const char *name, |
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390 bool /* have_h5giterate_bug */) |
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391 { |
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392 dim_vector dv; |
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393 int empty = load_hdf5_empty (loc_id, name, dv); |
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394 if (empty > 0) |
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395 matrix.resize(dv); |
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396 if (empty != 0) |
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397 return (empty > 0); |
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398 |
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399 bool retval = false; |
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400 hid_t data_hid = H5Dopen (loc_id, name); |
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401 hid_t space_id = H5Dget_space (data_hid); |
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402 |
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403 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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404 |
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405 if (rank < 1) |
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406 { |
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407 H5Dclose (data_hid); |
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408 return false; |
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409 } |
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410 |
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411 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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412 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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413 |
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414 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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415 |
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416 // Octave uses column-major, while HDF5 uses row-major ordering |
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417 if (rank == 1) |
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418 { |
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419 dv.resize (2); |
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420 dv(0) = 1; |
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421 dv(1) = hdims[0]; |
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422 } |
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423 else |
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424 { |
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425 dv.resize (rank); |
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426 for (int i = 0, j = rank - 1; i < (int)rank; i++, j--) |
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427 dv(j) = hdims[i]; |
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428 } |
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429 |
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430 int nel = dv.numel (); |
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431 hbool_t htmp[nel]; |
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432 if (H5Dread (data_hid, H5T_NATIVE_HBOOL, H5S_ALL, H5S_ALL, |
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433 H5P_DEFAULT, (void *) htmp) >= 0) |
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434 { |
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435 retval = true; |
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436 |
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437 boolNDArray btmp (dv); |
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438 for (int i = 0; i < nel; i++) |
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439 btmp.elem (i) = htmp[i]; |
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440 |
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441 matrix = btmp; |
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442 } |
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443 |
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444 H5Dclose (data_hid); |
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445 return retval; |
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446 } |
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447 #endif |
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448 |
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2871
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449 /* |
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450 ;;; Local Variables: *** |
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451 ;;; mode: C++ *** |
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452 ;;; End: *** |
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453 */ |
