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1 /* |
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2 |
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3 Copyright (C) 2004 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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28 #include <climits> |
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29 |
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30 #include <iostream> |
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31 #include <vector> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "lo-utils.h" |
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35 #include "mx-base.h" |
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36 #include "quit.h" |
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37 |
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38 #include "defun.h" |
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39 #include "gripes.h" |
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40 #include "oct-obj.h" |
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41 #include "oct-lvalue.h" |
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42 #include "oct-stream.h" |
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43 #include "ops.h" |
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44 #include "ov-base.h" |
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45 #include "ov-base-mat.h" |
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46 #include "ov-base-mat.cc" |
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47 #include "ov-base-scalar.h" |
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48 #include "ov-base-scalar.cc" |
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49 #include "ov-base-int.h" |
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50 #include "ov-int-traits.h" |
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51 #include "pr-output.h" |
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52 #include "variables.h" |
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53 |
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54 #include "byte-swap.h" |
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55 #include "ls-oct-ascii.h" |
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56 #include "ls-utils.h" |
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57 #include "ls-hdf5.h" |
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58 |
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59 template <class T> |
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60 octave_value * |
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61 octave_base_int_matrix<T>::try_narrowing_conversion (void) |
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62 { |
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63 octave_value *retval = 0; |
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64 |
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65 if (this->matrix.nelem () == 1) |
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66 retval = new typename octave_value_int_traits<T>::scalar_type (this->matrix (0)); |
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67 |
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68 return retval; |
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69 } |
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70 |
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71 template <class T> |
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72 bool |
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73 octave_base_int_matrix<T>::save_ascii (std::ostream& os, bool&, bool) |
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74 { |
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75 dim_vector d = this->dims (); |
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76 |
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77 os << "# ndims: " << d.length () << "\n"; |
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78 |
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79 for (int i = 0; i < d.length (); i++) |
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80 os << " " << d (i); |
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81 |
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82 os << "\n" << this->matrix; |
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83 |
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84 return true; |
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85 } |
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86 |
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87 template <class T> |
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88 bool |
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89 octave_base_int_matrix<T>::load_ascii (std::istream& is) |
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90 { |
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91 int mdims = 0; |
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92 bool success = true; |
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93 |
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94 if (extract_keyword (is, "ndims", mdims, true)) |
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95 { |
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96 if (mdims >= 0) |
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97 { |
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98 dim_vector dv; |
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99 dv.resize (mdims); |
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100 |
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101 for (int i = 0; i < mdims; i++) |
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102 is >> dv(i); |
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103 |
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104 T tmp(dv); |
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105 |
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106 is >> tmp; |
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107 |
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108 if (!is) |
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109 { |
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110 error ("load: failed to load matrix constant"); |
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111 success = false; |
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112 } |
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113 |
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114 this->matrix = tmp; |
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115 } |
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116 else |
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117 { |
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118 error ("load: failed to extract number of rows and columns"); |
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119 success = false; |
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120 } |
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121 } |
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122 else |
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123 error ("load: failed to extract number of dimensions"); |
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124 |
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125 return success; |
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126 } |
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127 |
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128 template <class T> |
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129 bool |
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130 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool&) |
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131 { |
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132 dim_vector d = this->dims (); |
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133 if (d.length() < 1) |
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134 return false; |
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135 |
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136 // Use negative value for ndims to differentiate with old format!! |
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137 FOUR_BYTE_INT tmp = - d.length(); |
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138 os.write (X_CAST (char *, &tmp), 4); |
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139 for (int i=0; i < d.length (); i++) |
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140 { |
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141 tmp = d(i); |
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142 os.write (X_CAST (char *, &tmp), 4); |
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143 } |
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144 |
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145 os.write (X_CAST(char *, this->matrix.data()), this->byte_size()); |
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146 |
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147 return true; |
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148 } |
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149 |
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150 template <class T> |
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151 bool |
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152 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, |
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153 oct_mach_info::float_format ) |
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154 { |
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155 FOUR_BYTE_INT mdims; |
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156 if (! is.read (X_CAST (char *, &mdims), 4)) |
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157 return false; |
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158 if (swap) |
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159 swap_bytes<4> (&mdims); |
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160 if (mdims >= 0) |
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161 return false; |
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162 |
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163 mdims = - mdims; |
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164 FOUR_BYTE_INT di; |
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165 dim_vector dv; |
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166 dv.resize (mdims); |
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167 |
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168 for (int i = 0; i < mdims; i++) |
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169 { |
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170 if (! is.read (X_CAST (char *, &di), 4)) |
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171 return false; |
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172 if (swap) |
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173 swap_bytes<4> (&di); |
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174 dv(i) = di; |
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175 } |
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176 |
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177 // Convert an array with a single dimension to be a row vector. |
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178 // Octave should never write files like this, other software |
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179 // might. |
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180 |
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181 if (mdims == 1) |
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182 { |
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183 mdims = 2; |
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184 dv.resize (mdims); |
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185 dv(1) = dv(0); |
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186 dv(0) = 1; |
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187 } |
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188 |
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189 T m (dv); |
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190 |
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191 if (! is.read (X_CAST (char *, m.data ()), m.byte_size ())) |
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192 return false; |
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193 |
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194 if (swap) |
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195 { |
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196 int nel = dv.numel (); |
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197 int bytes = nel / m.byte_size(); |
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198 for (int i = 0; i < nel; i++) |
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199 switch (bytes) |
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200 { |
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201 case 8: |
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202 swap_bytes<8> (&m(i)); |
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203 break; |
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204 case 4: |
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205 swap_bytes<4> (&m(i)); |
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206 break; |
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207 case 2: |
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208 swap_bytes<2> (&m(i)); |
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209 break; |
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210 case 1: |
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211 default: |
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212 break; |
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213 } |
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214 } |
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215 |
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216 this->matrix = m; |
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217 return true; |
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218 } |
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219 |
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220 #if defined (HAVE_HDF5) |
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221 |
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222 template <class T> |
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223 bool |
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224 octave_base_int_matrix<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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225 { |
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226 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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227 bool retval = true; |
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228 dim_vector dv = this->dims (); |
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229 int empty = save_hdf5_empty (loc_id, name, dv); |
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230 if (empty) |
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231 return (empty > 0); |
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232 |
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233 int rank = dv.length (); |
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234 hid_t space_hid = -1, data_hid = -1; |
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235 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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236 |
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237 // Octave uses column-major, while HDF5 uses row-major ordering |
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238 for (int i = 0; i < rank; i++) |
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239 hdims[i] = dv (rank-i-1); |
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240 |
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241 space_hid = H5Screate_simple (rank, hdims, 0); |
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242 |
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243 if (space_hid < 0) return false; |
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244 |
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245 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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246 H5P_DEFAULT); |
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247 if (data_hid < 0) |
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248 { |
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249 H5Sclose (space_hid); |
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250 return false; |
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251 } |
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252 |
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253 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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254 H5P_DEFAULT, this->matrix.data()) >= 0; |
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255 |
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256 H5Dclose (data_hid); |
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257 H5Sclose (space_hid); |
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258 |
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259 return retval; |
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260 } |
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261 |
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262 template <class T> |
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263 bool |
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264 octave_base_int_matrix<T>::load_hdf5 (hid_t loc_id, const char *name, |
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265 bool /* have_h5giterate_bug */) |
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266 { |
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267 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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268 bool retval = false; |
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269 dim_vector dv; |
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270 int empty = load_hdf5_empty (loc_id, name, dv); |
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271 if (empty > 0) |
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272 this->matrix.resize(dv); |
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273 if (empty) |
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274 return (empty > 0); |
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275 |
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276 hid_t data_hid = H5Dopen (loc_id, name); |
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277 hid_t space_id = H5Dget_space (data_hid); |
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278 |
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279 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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280 |
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281 if (rank < 1) |
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282 { |
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283 H5Sclose (space_id); |
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284 H5Dclose (data_hid); |
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285 return false; |
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286 } |
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287 |
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288 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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289 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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290 |
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291 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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292 |
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293 // Octave uses column-major, while HDF5 uses row-major ordering |
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294 if (rank == 1) |
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295 { |
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296 dv.resize (2); |
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297 dv(0) = 1; |
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298 dv(1) = hdims[0]; |
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299 } |
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300 else |
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301 { |
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302 dv.resize (rank); |
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303 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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304 dv(j) = hdims[i]; |
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305 } |
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306 |
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307 T m (dv); |
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308 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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309 H5P_DEFAULT, m.fortran_vec()) >= 0) |
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310 { |
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311 retval = true; |
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312 this->matrix = m; |
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313 } |
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314 |
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315 H5Sclose (space_id); |
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316 H5Dclose (data_hid); |
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317 |
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318 return retval; |
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319 } |
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320 |
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321 #endif |
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322 |
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323 template <class T> |
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324 void |
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325 octave_base_int_matrix<T>::print_raw (std::ostream& os, |
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326 bool pr_as_read_syntax) const |
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327 { |
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328 octave_print_internal (os, this->matrix, pr_as_read_syntax, |
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329 this->current_print_indent_level ()); |
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330 } |
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331 |
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332 template <class T> |
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333 bool |
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334 octave_base_int_scalar<T>::save_ascii (std::ostream& os, bool& , bool) |
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335 { |
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336 os << this->scalar << "\n"; |
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337 return true; |
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338 } |
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339 |
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340 template <class T> |
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341 bool |
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342 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
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343 { |
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344 is >> this->scalar; |
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345 if (!is) |
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346 { |
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347 error ("load: failed to load scalar constant"); |
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348 return false; |
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349 } |
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350 return true; |
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351 } |
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352 |
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353 template <class T> |
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354 bool |
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355 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool&) |
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356 { |
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357 os.write (X_CAST(char *, &(this->scalar)), this->byte_size()); |
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358 return true; |
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359 } |
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360 |
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361 template <class T> |
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362 bool |
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363 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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364 oct_mach_info::float_format) |
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365 { |
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366 T tmp; |
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367 if (! is.read (X_CAST (char *, &tmp), this->byte_size())) |
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368 return false; |
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369 |
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370 if (swap) |
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371 switch (this->byte_size()) |
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372 { |
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373 case 8: |
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374 swap_bytes<8> (&tmp); |
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375 break; |
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376 case 4: |
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377 swap_bytes<4> (&tmp); |
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378 break; |
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379 case 2: |
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380 swap_bytes<2> (&tmp); |
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381 break; |
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382 case 1: |
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383 default: |
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384 break; |
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385 } |
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386 this->scalar = tmp; |
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387 return true; |
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388 } |
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389 |
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390 #if defined (HAVE_HDF5) |
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391 |
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392 template <class T> |
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393 bool |
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394 octave_base_int_scalar<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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395 { |
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396 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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397 bool retval = true; |
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398 hsize_t dimens[3]; |
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399 hid_t space_hid = -1, data_hid = -1; |
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400 |
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401 space_hid = H5Screate_simple (0, dimens, 0); |
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402 if (space_hid < 0) return false; |
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403 |
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404 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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405 H5P_DEFAULT); |
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406 if (data_hid < 0) |
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407 { |
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408 H5Sclose (space_hid); |
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409 return false; |
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410 } |
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411 |
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412 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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413 H5P_DEFAULT, &(this->scalar)) >= 0; |
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414 |
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415 H5Dclose (data_hid); |
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416 H5Sclose (space_hid); |
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417 |
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418 return retval; |
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419 } |
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420 |
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421 template <class T> |
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422 bool |
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423 octave_base_int_scalar<T>::load_hdf5 (hid_t loc_id, const char *name, |
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424 bool /* have_h5giterate_bug */) |
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425 { |
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426 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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427 hid_t data_hid = H5Dopen (loc_id, name); |
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428 hid_t space_id = H5Dget_space (data_hid); |
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429 |
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430 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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431 |
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432 if (rank != 0) |
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433 { |
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434 H5Dclose (data_hid); |
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435 return false; |
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436 } |
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437 |
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438 T tmp; |
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439 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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440 H5P_DEFAULT, &tmp) < 0) |
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441 { |
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442 H5Dclose (data_hid); |
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443 return false; |
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444 } |
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445 |
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446 this->scalar = tmp; |
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447 |
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448 H5Dclose (data_hid); |
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449 |
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450 return true; |
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451 } |
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452 |
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453 #endif |
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454 |
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455 /* |
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456 ;;; Local Variables: *** |
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457 ;;; mode: C++ *** |
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458 ;;; End: *** |
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459 */ |
