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1 /* |
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2 |
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3 Copyright (C) 2004 David Bateman |
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4 Copyright (C) 1998-2004 Andy Adler |
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5 |
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6 Octave is free software; you can redistribute it and/or modify it |
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7 under the terms of the GNU General Public License as published by the |
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8 Free Software Foundation; either version 2, or (at your option) any |
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9 later version. |
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10 |
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11 Octave is distributed in the hope that it will be useful, but WITHOUT |
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 for more details. |
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15 |
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16 You should have received a copy of the GNU General Public License |
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17 along with this program; see the file COPYING. If not, write to the |
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18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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19 Boston, MA 02110-1301, USA. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <climits> |
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28 |
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29 #include <iostream> |
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30 #include <vector> |
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31 |
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32 #include "ov-base.h" |
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33 #include "ov-scalar.h" |
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34 #include "gripes.h" |
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35 |
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36 #include "ls-hdf5.h" |
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37 |
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38 #include "ov-re-sparse.h" |
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39 |
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40 #include "ov-base-sparse.h" |
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41 #include "ov-base-sparse.cc" |
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42 |
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43 #include "ov-bool-sparse.h" |
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44 |
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45 template class octave_base_sparse<SparseMatrix>; |
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46 |
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47 DEFINE_OCTAVE_ALLOCATOR (octave_sparse_matrix); |
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48 |
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49 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_sparse_matrix, "sparse matrix", "sparse"); |
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50 |
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51 idx_vector |
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52 octave_sparse_matrix::index_vector (void) const |
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53 { |
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54 if (matrix.numel () == matrix.nnz ()) |
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55 return idx_vector (array_value ()); |
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56 else |
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57 { |
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58 std::string nm = type_name (); |
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59 error ("%s type invalid as index value", nm.c_str ()); |
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60 return idx_vector (); |
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61 } |
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62 } |
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63 |
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64 octave_base_value * |
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65 octave_sparse_matrix::try_narrowing_conversion (void) |
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66 { |
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67 octave_base_value *retval = 0; |
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68 |
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69 // Don't use numel, since it can overflow for very large matrices |
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70 // Note that for the second test, this means it becomes approximative |
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71 // since it involves a cast to double to avoid issues of overflow |
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72 if (matrix.rows () == 1 && matrix.cols () == 1) |
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73 { |
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74 // Const copy of the matrix, so the right version of () operator used |
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75 const SparseMatrix tmp (matrix); |
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76 |
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77 retval = new octave_scalar (tmp (0)); |
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78 } |
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79 else if (matrix.cols () > 0 && matrix.rows () > 0 && |
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80 double (matrix.byte_size ()) > double (matrix.rows ()) * |
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81 double (matrix.cols ()) * sizeof (double)) |
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82 retval = new octave_matrix (matrix.matrix_value ()); |
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83 |
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84 return retval; |
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85 } |
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86 |
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87 bool |
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88 octave_sparse_matrix::valid_as_scalar_index (void) const |
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89 { |
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90 // FIXME |
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91 return false; |
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92 } |
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93 |
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94 double |
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95 octave_sparse_matrix::double_value (bool) const |
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96 { |
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97 double retval = lo_ieee_nan_value (); |
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98 |
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99 if (numel () > 0) |
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100 { |
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101 gripe_implicit_conversion ("Octave:array-as-scalar", |
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102 "real sparse matrix", "real scalar"); |
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103 |
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104 retval = matrix (0, 0); |
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105 } |
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106 else |
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107 gripe_invalid_conversion ("real sparse matrix", "real scalar"); |
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108 |
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109 return retval; |
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110 } |
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111 |
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112 Complex |
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113 octave_sparse_matrix::complex_value (bool) const |
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114 { |
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115 double tmp = lo_ieee_nan_value (); |
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116 |
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117 Complex retval (tmp, tmp); |
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118 |
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119 // FIXME -- maybe this should be a function, valid_as_scalar() |
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120 if (rows () > 0 && columns () > 0) |
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121 { |
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122 gripe_implicit_conversion ("Octave:array-as-scalar", |
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123 "real sparse matrix", "complex scalar"); |
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124 |
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125 retval = matrix (0, 0); |
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126 } |
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127 else |
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128 gripe_invalid_conversion ("real sparse matrix", "complex scalar"); |
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129 |
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130 return retval; |
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131 } |
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132 |
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133 Matrix |
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134 octave_sparse_matrix::matrix_value (bool) const |
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135 { |
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136 return matrix.matrix_value (); |
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137 } |
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138 |
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139 boolNDArray |
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140 octave_sparse_matrix::bool_array_value (void) const |
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141 { |
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142 return boolNDArray (matrix.matrix_value ()); |
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143 } |
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144 |
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145 ComplexMatrix |
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146 octave_sparse_matrix::complex_matrix_value (bool) const |
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147 { |
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148 return ComplexMatrix (matrix.matrix_value ()); |
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149 } |
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150 |
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151 ComplexNDArray |
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152 octave_sparse_matrix::complex_array_value (bool) const |
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153 { |
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154 return ComplexNDArray (ComplexMatrix (matrix.matrix_value ())); |
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155 } |
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156 |
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157 NDArray |
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158 octave_sparse_matrix::array_value (bool) const |
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159 { |
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160 return NDArray (matrix.matrix_value ()); |
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161 } |
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162 |
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163 streamoff_array |
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164 octave_sparse_matrix::streamoff_array_value (void) const |
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165 { |
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166 streamoff_array retval (dims ()); |
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167 octave_idx_type nc = matrix.cols (); |
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168 octave_idx_type nr = matrix.rows (); |
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169 |
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170 for (octave_idx_type j = 0; j < nc; j++) |
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171 for (octave_idx_type i = matrix.cidx(j); i < matrix.cidx(j+1); i++) |
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172 { |
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173 double d = matrix.data(i); |
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174 |
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175 if (D_NINT (d) == d) |
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176 { |
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177 retval(matrix.ridx(i) + nr * j) = |
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178 std::streamoff (static_cast<long> (d)); |
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179 } |
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180 else |
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181 { |
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182 error ("conversion to streamoff_array value failed"); |
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183 break; |
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184 } |
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185 } |
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186 |
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187 return retval; |
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188 } |
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189 |
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190 octave_value |
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191 octave_sparse_matrix::convert_to_str_internal (bool, bool, char type) const |
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192 { |
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193 octave_value retval; |
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194 dim_vector dv = dims (); |
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195 octave_idx_type nel = dv.numel (); |
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196 |
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197 if (nel == 0) |
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198 { |
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199 char s = '\0'; |
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200 retval = octave_value (&s, type); |
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201 } |
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202 else |
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203 { |
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204 octave_idx_type nr = matrix.rows (); |
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205 octave_idx_type nc = matrix.cols (); |
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206 charNDArray chm (dv, static_cast<char> (0)); |
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207 |
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208 bool warned = false; |
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209 |
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210 for (octave_idx_type j = 0; j < nc; j++) |
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211 for (octave_idx_type i = matrix.cidx(j); |
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212 i < matrix.cidx(j+1); i++) |
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213 { |
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214 OCTAVE_QUIT; |
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215 |
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216 double d = matrix.data (i); |
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217 |
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218 if (xisnan (d)) |
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219 { |
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220 ::error ("invalid conversion from NaN to character"); |
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221 return retval; |
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222 } |
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223 else |
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224 { |
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225 int ival = NINT (d); |
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226 |
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227 if (ival < 0 || ival > UCHAR_MAX) |
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228 { |
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229 // FIXME -- is there something |
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230 // better we could do? |
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231 |
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232 ival = 0; |
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233 |
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234 if (! warned) |
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235 { |
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236 ::warning ("range error for conversion to character value"); |
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237 warned = true; |
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238 } |
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239 } |
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240 |
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241 chm (matrix.ridx(i) + j * nr) = |
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242 static_cast<char> (ival); |
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243 } |
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244 } |
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245 retval = octave_value (chm, true, type); |
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246 } |
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247 |
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248 return retval; |
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249 } |
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250 |
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251 bool |
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252 octave_sparse_matrix::save_binary (std::ostream& os, bool&save_as_floats) |
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253 { |
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254 dim_vector d = this->dims (); |
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255 if (d.length() < 1) |
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256 return false; |
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257 |
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258 // Ensure that additional memory is deallocated |
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259 matrix.maybe_compress (); |
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260 |
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261 int nr = d(0); |
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262 int nc = d(1); |
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263 int nz = nzmax (); |
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264 |
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265 int32_t itmp; |
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266 // Use negative value for ndims to be consistent with other formats |
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267 itmp= -2; |
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268 os.write (reinterpret_cast<char *> (&itmp), 4); |
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269 |
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270 itmp= nr; |
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271 os.write (reinterpret_cast<char *> (&itmp), 4); |
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272 |
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273 itmp= nc; |
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274 os.write (reinterpret_cast<char *> (&itmp), 4); |
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275 |
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276 itmp= nz; |
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277 os.write (reinterpret_cast<char *> (&itmp), 4); |
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278 |
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279 save_type st = LS_DOUBLE; |
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280 if (save_as_floats) |
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281 { |
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282 if (matrix.too_large_for_float ()) |
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283 { |
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284 warning ("save: some values too large to save as floats --"); |
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285 warning ("save: saving as doubles instead"); |
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286 } |
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287 else |
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288 st = LS_FLOAT; |
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289 } |
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290 else if (matrix.nzmax () > 8192) // FIXME -- make this configurable. |
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291 { |
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292 double max_val, min_val; |
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293 if (matrix.all_integers (max_val, min_val)) |
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294 st = get_save_type (max_val, min_val); |
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295 } |
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296 |
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297 // add one to the printed indices to go from |
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298 // zero-based to one-based arrays |
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299 for (int i = 0; i < nc+1; i++) |
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300 { |
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301 OCTAVE_QUIT; |
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302 itmp = matrix.cidx(i); |
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303 os.write (reinterpret_cast<char *> (&itmp), 4); |
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304 } |
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305 |
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306 for (int i = 0; i < nz; i++) |
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307 { |
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308 OCTAVE_QUIT; |
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309 itmp = matrix.ridx(i); |
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310 os.write (reinterpret_cast<char *> (&itmp), 4); |
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311 } |
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312 |
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313 write_doubles (os, matrix.data(), st, nz); |
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314 |
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315 return true; |
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316 } |
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317 |
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318 bool |
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319 octave_sparse_matrix::load_binary (std::istream& is, bool swap, |
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320 oct_mach_info::float_format fmt) |
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321 { |
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322 int32_t nz, nc, nr, tmp; |
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323 char ctmp; |
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324 |
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325 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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326 return false; |
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327 |
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328 if (swap) |
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329 swap_bytes<4> (&tmp); |
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330 |
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331 if (tmp != -2) { |
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332 error("load: only 2D sparse matrices are supported"); |
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333 return false; |
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334 } |
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335 |
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336 if (! is.read (reinterpret_cast<char *> (&nr), 4)) |
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337 return false; |
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338 if (! is.read (reinterpret_cast<char *> (&nc), 4)) |
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339 return false; |
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340 if (! is.read (reinterpret_cast<char *> (&nz), 4)) |
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341 return false; |
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342 |
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343 if (swap) |
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344 { |
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345 swap_bytes<4> (&nr); |
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346 swap_bytes<4> (&nc); |
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347 swap_bytes<4> (&nz); |
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348 } |
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349 |
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350 SparseMatrix m (static_cast<octave_idx_type> (nr), |
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351 static_cast<octave_idx_type> (nc), |
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352 static_cast<octave_idx_type> (nz)); |
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353 |
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354 for (int i = 0; i < nc+1; i++) |
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355 { |
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356 OCTAVE_QUIT; |
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357 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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358 return false; |
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359 if (swap) |
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360 swap_bytes<4> (&tmp); |
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361 m.xcidx(i) = tmp; |
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362 } |
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363 |
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364 for (int i = 0; i < nz; i++) |
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365 { |
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366 OCTAVE_QUIT; |
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367 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
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368 return false; |
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369 if (swap) |
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370 swap_bytes<4> (&tmp); |
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371 m.xridx(i) = tmp; |
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372 } |
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373 |
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374 if (! is.read (reinterpret_cast<char *> (&ctmp), 1)) |
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375 return false; |
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376 |
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377 read_doubles (is, m.xdata (), static_cast<save_type> (ctmp), nz, swap, fmt); |
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378 |
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379 if (error_state || ! is) |
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380 return false; |
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381 matrix = m; |
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382 |
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383 return true; |
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384 } |
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385 |
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386 #if defined (HAVE_HDF5) |
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387 bool |
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388 octave_sparse_matrix::save_hdf5 (hid_t loc_id, const char *name, |
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389 bool save_as_floats) |
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390 { |
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391 dim_vector dv = dims (); |
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392 int empty = save_hdf5_empty (loc_id, name, dv); |
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393 if (empty) |
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394 return (empty > 0); |
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395 |
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396 // Ensure that additional memory is deallocated |
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397 matrix.maybe_compress (); |
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398 |
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399 hid_t group_hid = H5Gcreate (loc_id, name, 0); |
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400 if (group_hid < 0) |
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401 return false; |
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402 |
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403 hid_t space_hid = -1, data_hid = -1; |
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404 bool retval = true; |
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405 SparseMatrix m = sparse_matrix_value (); |
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406 octave_idx_type tmp; |
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407 hsize_t hdims[2]; |
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408 |
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409 space_hid = H5Screate_simple (0, hdims, 0); |
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410 if (space_hid < 0) |
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411 { |
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412 H5Gclose (group_hid); |
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413 return false; |
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414 } |
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415 |
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416 data_hid = H5Dcreate (group_hid, "nr", H5T_NATIVE_IDX, space_hid, |
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417 H5P_DEFAULT); |
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418 if (data_hid < 0) |
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419 { |
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420 H5Sclose (space_hid); |
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421 H5Gclose (group_hid); |
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422 return false; |
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423 } |
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424 |
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425 tmp = m.rows (); |
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426 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
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427 &tmp) >= 0; |
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428 H5Dclose (data_hid); |
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429 if (!retval) |
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430 { |
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431 H5Sclose (space_hid); |
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432 H5Gclose (group_hid); |
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433 return false; |
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434 } |
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435 |
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436 data_hid = H5Dcreate (group_hid, "nc", H5T_NATIVE_IDX, space_hid, |
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437 H5P_DEFAULT); |
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438 if (data_hid < 0) |
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439 { |
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440 H5Sclose (space_hid); |
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441 H5Gclose (group_hid); |
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442 return false; |
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443 } |
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444 |
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445 tmp = m.cols (); |
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446 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
5760
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447 &tmp) >= 0; |
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448 H5Dclose (data_hid); |
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449 if (!retval) |
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450 { |
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451 H5Sclose (space_hid); |
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452 H5Gclose (group_hid); |
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453 return false; |
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454 } |
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455 |
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456 data_hid = H5Dcreate (group_hid, "nz", H5T_NATIVE_IDX, space_hid, |
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457 H5P_DEFAULT); |
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458 if (data_hid < 0) |
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459 { |
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460 H5Sclose (space_hid); |
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461 H5Gclose (group_hid); |
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462 return false; |
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463 } |
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464 |
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465 tmp = m.nzmax (); |
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466 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
5760
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467 &tmp) >= 0; |
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468 H5Dclose (data_hid); |
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469 if (!retval) |
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470 { |
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471 H5Sclose (space_hid); |
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472 H5Gclose (group_hid); |
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473 return false; |
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474 } |
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475 |
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476 H5Sclose (space_hid); |
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477 |
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478 hdims[0] = m.cols() + 1; |
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479 hdims[1] = 1; |
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480 |
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481 space_hid = H5Screate_simple (2, hdims, 0); |
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482 |
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483 if (space_hid < 0) |
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484 { |
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485 H5Gclose (group_hid); |
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486 return false; |
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487 } |
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488 |
5351
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489 data_hid = H5Dcreate (group_hid, "cidx", H5T_NATIVE_IDX, space_hid, |
5164
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490 H5P_DEFAULT); |
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491 if (data_hid < 0) |
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492 { |
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493 H5Sclose (space_hid); |
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494 H5Gclose (group_hid); |
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495 return false; |
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496 } |
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497 |
5351
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498 octave_idx_type * itmp = m.xcidx (); |
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499 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
5760
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500 itmp) >= 0; |
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501 H5Dclose (data_hid); |
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502 if (!retval) |
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503 { |
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504 H5Sclose (space_hid); |
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505 H5Gclose (group_hid); |
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506 return false; |
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507 } |
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508 |
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509 H5Sclose (space_hid); |
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510 |
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511 hdims[0] = m.nzmax (); |
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512 hdims[1] = 1; |
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513 |
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514 space_hid = H5Screate_simple (2, hdims, 0); |
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515 |
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516 if (space_hid < 0) |
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517 { |
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518 H5Gclose (group_hid); |
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519 return false; |
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520 } |
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521 |
5351
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522 data_hid = H5Dcreate (group_hid, "ridx", H5T_NATIVE_IDX, space_hid, |
5164
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523 H5P_DEFAULT); |
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524 if (data_hid < 0) |
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525 { |
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526 H5Sclose (space_hid); |
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527 H5Gclose (group_hid); |
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528 return false; |
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529 } |
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530 |
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531 itmp = m.xridx (); |
5351
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532 retval = H5Dwrite (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
5760
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533 itmp) >= 0; |
5164
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534 H5Dclose (data_hid); |
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535 if (!retval) |
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536 { |
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537 H5Sclose (space_hid); |
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538 H5Gclose (group_hid); |
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539 return false; |
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540 } |
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541 |
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542 hid_t save_type_hid = H5T_NATIVE_DOUBLE; |
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543 |
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544 if (save_as_floats) |
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545 { |
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546 if (m.too_large_for_float ()) |
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547 { |
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548 warning ("save: some values too large to save as floats --"); |
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549 warning ("save: saving as doubles instead"); |
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550 } |
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551 else |
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552 save_type_hid = H5T_NATIVE_FLOAT; |
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553 } |
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554 #if HAVE_HDF5_INT2FLOAT_CONVERSIONS |
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555 // hdf5 currently doesn't support float/integer conversions |
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556 else |
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557 { |
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558 double max_val, min_val; |
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559 |
|
560 if (m.all_integers (max_val, min_val)) |
|
561 save_type_hid |
|
562 = save_type_to_hdf5 (get_save_type (max_val, min_val)); |
|
563 } |
|
564 #endif /* HAVE_HDF5_INT2FLOAT_CONVERSIONS */ |
|
565 |
|
566 data_hid = H5Dcreate (group_hid, "data", save_type_hid, space_hid, |
|
567 H5P_DEFAULT); |
|
568 if (data_hid < 0) |
|
569 { |
|
570 H5Sclose (space_hid); |
|
571 H5Gclose (group_hid); |
|
572 return false; |
|
573 } |
|
574 |
|
575 double * dtmp = m.xdata (); |
|
576 retval = H5Dwrite (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, |
5760
|
577 H5P_DEFAULT, dtmp) >= 0; |
5164
|
578 H5Dclose (data_hid); |
|
579 H5Sclose (space_hid); |
|
580 H5Gclose (group_hid); |
|
581 |
|
582 return retval; |
|
583 } |
|
584 |
|
585 bool |
|
586 octave_sparse_matrix::load_hdf5 (hid_t loc_id, const char *name, |
5760
|
587 bool /* have_h5giterate_bug */) |
5164
|
588 { |
5351
|
589 octave_idx_type nr, nc, nz; |
5164
|
590 hid_t group_hid, data_hid, space_hid; |
|
591 hsize_t rank; |
|
592 |
|
593 dim_vector dv; |
|
594 int empty = load_hdf5_empty (loc_id, name, dv); |
|
595 if (empty > 0) |
|
596 matrix.resize(dv); |
|
597 if (empty) |
|
598 return (empty > 0); |
|
599 |
|
600 group_hid = H5Gopen (loc_id, name); |
5760
|
601 if (group_hid < 0) return false; |
5164
|
602 |
|
603 data_hid = H5Dopen (group_hid, "nr"); |
|
604 space_hid = H5Dget_space (data_hid); |
|
605 rank = H5Sget_simple_extent_ndims (space_hid); |
|
606 |
|
607 if (rank != 0) |
|
608 { |
|
609 H5Dclose (data_hid); |
|
610 H5Gclose (group_hid); |
|
611 return false; |
|
612 } |
|
613 |
5351
|
614 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
5760
|
615 H5P_DEFAULT, &nr) < 0) |
5164
|
616 { |
|
617 H5Dclose (data_hid); |
|
618 H5Gclose (group_hid); |
|
619 return false; |
|
620 } |
|
621 |
|
622 H5Dclose (data_hid); |
|
623 |
|
624 data_hid = H5Dopen (group_hid, "nc"); |
|
625 space_hid = H5Dget_space (data_hid); |
|
626 rank = H5Sget_simple_extent_ndims (space_hid); |
|
627 |
|
628 if (rank != 0) |
|
629 { |
|
630 H5Dclose (data_hid); |
|
631 H5Gclose (group_hid); |
|
632 return false; |
|
633 } |
|
634 |
5351
|
635 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
5760
|
636 H5P_DEFAULT, &nc) < 0) |
5164
|
637 { |
|
638 H5Dclose (data_hid); |
|
639 H5Gclose (group_hid); |
|
640 return false; |
|
641 } |
|
642 |
|
643 H5Dclose (data_hid); |
|
644 |
|
645 data_hid = H5Dopen (group_hid, "nz"); |
|
646 space_hid = H5Dget_space (data_hid); |
|
647 rank = H5Sget_simple_extent_ndims (space_hid); |
|
648 |
|
649 if (rank != 0) |
|
650 { |
|
651 H5Dclose (data_hid); |
|
652 H5Gclose (group_hid); |
|
653 return false; |
|
654 } |
|
655 |
5351
|
656 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
5760
|
657 H5P_DEFAULT, &nz) < 0) |
5164
|
658 { |
|
659 H5Dclose (data_hid); |
|
660 H5Gclose (group_hid); |
|
661 return false; |
|
662 } |
|
663 |
|
664 H5Dclose (data_hid); |
|
665 |
5275
|
666 SparseMatrix m (static_cast<octave_idx_type> (nr), |
|
667 static_cast<octave_idx_type> (nc), |
|
668 static_cast<octave_idx_type> (nz)); |
5164
|
669 |
|
670 data_hid = H5Dopen (group_hid, "cidx"); |
|
671 space_hid = H5Dget_space (data_hid); |
|
672 rank = H5Sget_simple_extent_ndims (space_hid); |
|
673 |
|
674 if (rank != 2) |
|
675 { |
|
676 H5Sclose (space_hid); |
|
677 H5Dclose (data_hid); |
|
678 H5Gclose (group_hid); |
|
679 return false; |
|
680 } |
|
681 |
|
682 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
|
683 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
|
684 |
|
685 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
686 |
5322
|
687 if (static_cast<int> (hdims[0]) != nc + 1 || |
|
688 static_cast<int> (hdims[1]) != 1) |
5164
|
689 { |
|
690 H5Sclose (space_hid); |
|
691 H5Dclose (data_hid); |
|
692 H5Gclose (group_hid); |
|
693 return false; |
|
694 } |
|
695 |
5351
|
696 octave_idx_type *itmp = m.xcidx (); |
|
697 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
5760
|
698 H5P_DEFAULT, itmp) < 0) |
5164
|
699 { |
|
700 H5Sclose (space_hid); |
|
701 H5Dclose (data_hid); |
|
702 H5Gclose (group_hid); |
|
703 return false; |
|
704 } |
|
705 |
|
706 H5Sclose (space_hid); |
|
707 H5Dclose (data_hid); |
|
708 |
|
709 data_hid = H5Dopen (group_hid, "ridx"); |
|
710 space_hid = H5Dget_space (data_hid); |
|
711 rank = H5Sget_simple_extent_ndims (space_hid); |
|
712 |
|
713 if (rank != 2) |
|
714 { |
|
715 H5Sclose (space_hid); |
|
716 H5Dclose (data_hid); |
|
717 H5Gclose (group_hid); |
|
718 return false; |
|
719 } |
|
720 |
|
721 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
722 |
5322
|
723 if (static_cast<int> (hdims[0]) != nz || static_cast<int> (hdims[1]) != 1) |
5164
|
724 { |
|
725 H5Sclose (space_hid); |
|
726 H5Dclose (data_hid); |
|
727 H5Gclose (group_hid); |
|
728 return false; |
|
729 } |
|
730 |
|
731 itmp = m.xridx (); |
5351
|
732 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
5760
|
733 H5P_DEFAULT, itmp) < 0) |
5164
|
734 { |
|
735 H5Sclose (space_hid); |
|
736 H5Dclose (data_hid); |
|
737 H5Gclose (group_hid); |
|
738 return false; |
|
739 } |
|
740 |
|
741 H5Sclose (space_hid); |
|
742 H5Dclose (data_hid); |
|
743 |
|
744 data_hid = H5Dopen (group_hid, "data"); |
|
745 space_hid = H5Dget_space (data_hid); |
|
746 rank = H5Sget_simple_extent_ndims (space_hid); |
|
747 |
|
748 if (rank != 2) |
|
749 { |
|
750 H5Sclose (space_hid); |
|
751 H5Dclose (data_hid); |
|
752 H5Gclose (group_hid); |
|
753 return false; |
|
754 } |
|
755 |
|
756 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
|
757 |
5322
|
758 if (static_cast<int> (hdims[0]) != nz || static_cast<int> (hdims[1]) != 1) |
5164
|
759 { |
|
760 H5Sclose (space_hid); |
|
761 H5Dclose (data_hid); |
|
762 H5Gclose (group_hid); |
|
763 return false; |
|
764 } |
|
765 |
|
766 double *dtmp = m.xdata (); |
|
767 if (H5Dread (data_hid, H5T_NATIVE_DOUBLE, H5S_ALL, H5S_ALL, |
5760
|
768 H5P_DEFAULT, dtmp) < 0) |
5164
|
769 { |
|
770 H5Sclose (space_hid); |
|
771 H5Dclose (data_hid); |
|
772 H5Gclose (group_hid); |
|
773 return false; |
|
774 } |
|
775 |
|
776 H5Sclose (space_hid); |
|
777 H5Dclose (data_hid); |
|
778 H5Gclose (group_hid); |
|
779 |
|
780 matrix = m; |
|
781 |
|
782 return true; |
|
783 } |
|
784 #endif |
|
785 |
|
786 /* |
|
787 ;;; Local Variables: *** |
|
788 ;;; mode: C++ *** |
|
789 ;;; End: *** |
|
790 */ |