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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, 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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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 "lo-ieee.h" |
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33 #include "lo-utils.h" |
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34 #include "mx-base.h" |
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35 #include "quit.h" |
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36 |
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37 #include "defun.h" |
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38 #include "gripes.h" |
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39 #include "oct-obj.h" |
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40 #include "oct-lvalue.h" |
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41 #include "oct-stream.h" |
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42 #include "ops.h" |
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43 #include "ov-base.h" |
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44 #include "ov-base-mat.h" |
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45 #include "ov-base-mat.cc" |
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46 #include "ov-base-scalar.h" |
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47 #include "ov-base-scalar.cc" |
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48 #include "ov-base-int.h" |
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49 #include "ov-int-traits.h" |
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50 #include "pr-output.h" |
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51 #include "variables.h" |
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52 |
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53 #include "byte-swap.h" |
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54 #include "ls-oct-ascii.h" |
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55 #include "ls-utils.h" |
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56 #include "ls-hdf5.h" |
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57 |
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58 template <class T> |
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59 octave_value * |
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60 octave_base_int_matrix<T>::try_narrowing_conversion (void) |
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61 { |
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62 octave_value *retval = 0; |
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63 |
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64 if (this->matrix.nelem () == 1) |
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65 retval = new typename octave_value_int_traits<T>::scalar_type (this->matrix (0)); |
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66 |
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67 return retval; |
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68 } |
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69 |
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70 template <class T> |
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71 bool |
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72 octave_base_int_matrix<T>::save_ascii (std::ostream& os, bool&, bool) |
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73 { |
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74 dim_vector d = this->dims (); |
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75 |
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76 os << "# ndims: " << d.length () << "\n"; |
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77 |
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78 for (int i = 0; i < d.length (); i++) |
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79 os << " " << d (i); |
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80 |
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81 os << "\n" << this->matrix; |
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82 |
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83 return true; |
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84 } |
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85 |
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86 template <class T> |
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87 bool |
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88 octave_base_int_matrix<T>::load_ascii (std::istream& is) |
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89 { |
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90 int mdims = 0; |
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91 bool success = true; |
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92 |
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93 if (extract_keyword (is, "ndims", mdims, true)) |
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94 { |
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95 if (mdims >= 0) |
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96 { |
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97 dim_vector dv; |
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98 dv.resize (mdims); |
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99 |
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100 for (int i = 0; i < mdims; i++) |
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101 is >> dv(i); |
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102 |
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103 T tmp(dv); |
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104 |
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105 is >> tmp; |
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106 |
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107 if (!is) |
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108 { |
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109 error ("load: failed to load matrix constant"); |
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110 success = false; |
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111 } |
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112 |
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113 this->matrix = tmp; |
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114 } |
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115 else |
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116 { |
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117 error ("load: failed to extract number of rows and columns"); |
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118 success = false; |
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119 } |
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120 } |
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121 else |
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122 error ("load: failed to extract number of dimensions"); |
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123 |
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124 return success; |
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125 } |
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126 |
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127 template <class T> |
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128 bool |
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129 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool&) |
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130 { |
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131 dim_vector d = this->dims (); |
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132 if (d.length() < 1) |
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133 return false; |
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134 |
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135 // Use negative value for ndims to differentiate with old format!! |
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136 FOUR_BYTE_INT tmp = - d.length(); |
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137 os.write (X_CAST (char *, &tmp), 4); |
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138 for (int i=0; i < d.length (); i++) |
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139 { |
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140 tmp = d(i); |
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141 os.write (X_CAST (char *, &tmp), 4); |
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142 } |
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143 |
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144 os.write (X_CAST(char *, this->matrix.data()), this->byte_size()); |
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145 |
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146 return true; |
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147 } |
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148 |
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149 template <class T> |
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150 bool |
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151 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, |
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152 oct_mach_info::float_format ) |
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153 { |
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154 FOUR_BYTE_INT mdims; |
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155 if (! is.read (X_CAST (char *, &mdims), 4)) |
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156 return false; |
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157 if (swap) |
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158 swap_bytes<4> (&mdims); |
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159 if (mdims >= 0) |
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160 return false; |
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161 |
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162 mdims = - mdims; |
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163 FOUR_BYTE_INT di; |
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164 dim_vector dv; |
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165 dv.resize (mdims); |
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166 |
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167 for (int i = 0; i < mdims; i++) |
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168 { |
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169 if (! is.read (X_CAST (char *, &di), 4)) |
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170 return false; |
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171 if (swap) |
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172 swap_bytes<4> (&di); |
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173 dv(i) = di; |
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174 } |
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175 |
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176 // Convert an array with a single dimension to be a row vector. |
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177 // Octave should never write files like this, other software |
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178 // might. |
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179 |
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180 if (mdims == 1) |
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181 { |
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182 mdims = 2; |
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183 dv.resize (mdims); |
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184 dv(1) = dv(0); |
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185 dv(0) = 1; |
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186 } |
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187 |
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188 T m (dv); |
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189 |
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190 if (! is.read (X_CAST (char *, m.data ()), m.byte_size ())) |
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191 return false; |
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192 |
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193 if (swap) |
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194 { |
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195 int nel = dv.numel (); |
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196 int bytes = nel / m.byte_size(); |
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197 for (int i = 0; i < nel; i++) |
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198 switch (bytes) |
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199 { |
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200 case 8: |
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201 swap_bytes<8> (&m(i)); |
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202 break; |
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203 case 4: |
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204 swap_bytes<4> (&m(i)); |
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205 break; |
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206 case 2: |
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207 swap_bytes<2> (&m(i)); |
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208 break; |
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209 case 1: |
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210 default: |
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211 break; |
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212 } |
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213 } |
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214 |
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215 this->matrix = m; |
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216 return true; |
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217 } |
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218 |
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219 #if defined (HAVE_HDF5) |
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220 |
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221 template <class T> |
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222 bool |
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223 octave_base_int_matrix<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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224 { |
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225 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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226 bool retval = true; |
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227 dim_vector dv = this->dims (); |
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228 int empty = save_hdf5_empty (loc_id, name, dv); |
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229 if (empty) |
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230 return (empty > 0); |
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231 |
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232 int rank = dv.length (); |
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233 hid_t space_hid = -1, data_hid = -1; |
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234 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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235 |
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236 // Octave uses column-major, while HDF5 uses row-major ordering |
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237 for (int i = 0; i < rank; i++) |
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238 hdims[i] = dv (rank-i-1); |
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239 |
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240 space_hid = H5Screate_simple (rank, hdims, 0); |
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241 |
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242 if (space_hid < 0) return false; |
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243 |
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244 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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245 H5P_DEFAULT); |
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246 if (data_hid < 0) |
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247 { |
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248 H5Sclose (space_hid); |
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249 return false; |
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250 } |
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251 |
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252 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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253 H5P_DEFAULT, this->matrix.data()) >= 0; |
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254 |
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255 H5Dclose (data_hid); |
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256 H5Sclose (space_hid); |
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257 |
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258 return retval; |
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259 } |
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260 |
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261 template <class T> |
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262 bool |
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263 octave_base_int_matrix<T>::load_hdf5 (hid_t loc_id, const char *name, |
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264 bool /* have_h5giterate_bug */) |
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265 { |
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266 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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267 bool retval = false; |
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268 dim_vector dv; |
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269 int empty = load_hdf5_empty (loc_id, name, dv); |
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270 if (empty > 0) |
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271 this->matrix.resize(dv); |
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272 if (empty) |
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273 return (empty > 0); |
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274 |
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275 hid_t data_hid = H5Dopen (loc_id, name); |
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276 hid_t space_id = H5Dget_space (data_hid); |
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277 |
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278 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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279 |
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280 if (rank < 1) |
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281 { |
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282 H5Sclose (space_id); |
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283 H5Dclose (data_hid); |
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284 return false; |
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285 } |
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286 |
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287 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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288 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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289 |
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290 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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291 |
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292 // Octave uses column-major, while HDF5 uses row-major ordering |
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293 if (rank == 1) |
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294 { |
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295 dv.resize (2); |
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296 dv(0) = 1; |
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297 dv(1) = hdims[0]; |
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298 } |
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299 else |
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300 { |
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301 dv.resize (rank); |
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302 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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303 dv(j) = hdims[i]; |
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304 } |
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305 |
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306 T m (dv); |
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307 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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308 H5P_DEFAULT, m.fortran_vec()) >= 0) |
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309 { |
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310 retval = true; |
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311 this->matrix = m; |
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312 } |
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313 |
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314 H5Sclose (space_id); |
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315 H5Dclose (data_hid); |
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316 |
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317 return retval; |
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318 } |
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319 |
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320 #endif |
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321 |
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322 template <class T> |
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323 void |
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324 octave_base_int_matrix<T>::print_raw (std::ostream& os, |
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325 bool pr_as_read_syntax) const |
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326 { |
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327 octave_print_internal (os, this->matrix, pr_as_read_syntax, |
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328 this->current_print_indent_level ()); |
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329 } |
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330 |
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331 template <class T> |
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332 bool |
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333 octave_base_int_scalar<T>::save_ascii (std::ostream& os, bool& , bool) |
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334 { |
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335 os << this->scalar << "\n"; |
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336 return true; |
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337 } |
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338 |
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339 template <class T> |
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340 bool |
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341 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
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342 { |
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343 is >> this->scalar; |
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344 if (!is) |
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345 { |
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346 error ("load: failed to load scalar constant"); |
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347 return false; |
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348 } |
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349 return true; |
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350 } |
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351 |
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352 template <class T> |
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353 bool |
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354 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool&) |
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355 { |
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356 os.write (X_CAST(char *, &(this->scalar)), this->byte_size()); |
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357 return true; |
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358 } |
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359 |
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360 template <class T> |
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361 bool |
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362 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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363 oct_mach_info::float_format) |
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364 { |
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365 T tmp; |
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366 if (! is.read (X_CAST (char *, &tmp), this->byte_size())) |
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367 return false; |
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368 |
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369 if (swap) |
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370 switch (this->byte_size()) |
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371 { |
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372 case 8: |
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373 swap_bytes<8> (&tmp); |
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374 break; |
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375 case 4: |
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376 swap_bytes<4> (&tmp); |
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377 break; |
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378 case 2: |
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379 swap_bytes<2> (&tmp); |
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380 break; |
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381 case 1: |
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382 default: |
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383 break; |
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384 } |
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385 this->scalar = tmp; |
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386 return true; |
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387 } |
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388 |
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389 #if defined (HAVE_HDF5) |
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390 |
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391 template <class T> |
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392 bool |
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393 octave_base_int_scalar<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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394 { |
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395 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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396 bool retval = true; |
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397 hsize_t dimens[3]; |
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398 hid_t space_hid = -1, data_hid = -1; |
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399 |
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400 space_hid = H5Screate_simple (0, dimens, 0); |
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401 if (space_hid < 0) return false; |
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402 |
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403 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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404 H5P_DEFAULT); |
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405 if (data_hid < 0) |
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406 { |
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407 H5Sclose (space_hid); |
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408 return false; |
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409 } |
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410 |
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411 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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412 H5P_DEFAULT, &(this->scalar)) >= 0; |
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413 |
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414 H5Dclose (data_hid); |
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415 H5Sclose (space_hid); |
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416 |
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417 return retval; |
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418 } |
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419 |
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420 template <class T> |
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421 bool |
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422 octave_base_int_scalar<T>::load_hdf5 (hid_t loc_id, const char *name, |
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423 bool /* have_h5giterate_bug */) |
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424 { |
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425 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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426 hid_t data_hid = H5Dopen (loc_id, name); |
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427 hid_t space_id = H5Dget_space (data_hid); |
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428 |
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429 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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430 |
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431 if (rank != 0) |
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432 { |
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433 H5Dclose (data_hid); |
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434 return false; |
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435 } |
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436 |
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437 T tmp; |
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438 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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439 H5P_DEFAULT, &tmp) < 0) |
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440 { |
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441 H5Dclose (data_hid); |
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442 return false; |
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443 } |
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444 |
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445 this->scalar = tmp; |
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446 |
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447 H5Dclose (data_hid); |
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448 |
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449 return true; |
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450 } |
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451 |
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4903
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452 #endif |
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453 |
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454 /* |
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455 ;;; Local Variables: *** |
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456 ;;; mode: C++ *** |
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457 ;;; End: *** |
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458 */ |
