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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 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include <climits> |
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32 |
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33 #include <iostream> |
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34 #include <vector> |
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35 |
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36 #include "lo-ieee.h" |
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37 #include "lo-utils.h" |
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38 #include "mx-base.h" |
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39 #include "quit.h" |
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40 |
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41 #include "defun.h" |
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42 #include "gripes.h" |
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43 #include "oct-obj.h" |
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44 #include "oct-lvalue.h" |
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45 #include "ops.h" |
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46 #include "ov-base.h" |
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47 #include "ov-base-mat.h" |
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48 #include "ov-base-mat.cc" |
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49 #include "ov-base-scalar.h" |
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50 #include "ov-base-scalar.cc" |
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51 #include "ov-base-int.h" |
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52 #include "ov-int-traits.h" |
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53 #include "pr-output.h" |
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54 #include "variables.h" |
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55 |
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56 #include "byte-swap.h" |
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57 #include "ls-oct-ascii.h" |
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58 #include "ls-utils.h" |
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59 #include "ls-hdf5.h" |
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60 |
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61 template <class T> |
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62 octave_value * |
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63 octave_base_int_matrix<T>::try_narrowing_conversion (void) |
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64 { |
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65 octave_value *retval = 0; |
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66 |
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67 if (matrix.nelem () == 1) |
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68 retval = new typename octave_value_int_traits<T>::scalar_type (matrix (0)); |
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69 |
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70 return retval; |
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71 } |
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72 |
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73 template <class T> |
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74 bool |
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75 octave_base_int_matrix<T>::save_ascii (std::ostream& os, bool&, bool) |
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76 { |
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77 dim_vector d = dims (); |
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78 |
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79 os << "# ndims: " << d.length () << "\n"; |
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80 |
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81 for (int i = 0; i < d.length (); i++) |
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82 os << " " << d (i); |
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83 |
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84 os << "\n" << matrix; |
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85 |
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86 return true; |
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87 } |
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88 |
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89 template <class T> |
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90 bool |
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91 octave_base_int_matrix<T>::load_ascii (std::istream& is) |
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92 { |
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93 int mdims = 0; |
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94 bool success = true; |
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95 |
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96 if (extract_keyword (is, "ndims", mdims, true)) |
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97 { |
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98 if (mdims >= 0) |
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99 { |
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100 dim_vector dv; |
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101 dv.resize (mdims); |
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102 |
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103 for (int i = 0; i < mdims; i++) |
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104 is >> dv(i); |
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105 |
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106 T tmp(dv); |
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107 |
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108 is >> tmp; |
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109 |
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110 if (!is) |
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111 { |
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112 error ("load: failed to load matrix constant"); |
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113 success = false; |
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114 } |
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115 |
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116 matrix = tmp; |
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117 } |
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118 else |
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119 { |
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120 error ("load: failed to extract number of rows and columns"); |
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121 success = false; |
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122 } |
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123 } |
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124 else |
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125 error ("load: failed to extract number of dimensions"); |
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126 |
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127 return success; |
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128 } |
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129 |
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130 template <class T> |
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131 bool |
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132 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool&) |
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133 { |
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134 dim_vector d = dims (); |
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135 if (d.length() < 1) |
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136 return false; |
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137 |
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138 // Use negative value for ndims to differentiate with old format!! |
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139 FOUR_BYTE_INT tmp = - d.length(); |
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140 os.write (X_CAST (char *, &tmp), 4); |
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141 for (int i=0; i < d.length (); i++) |
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142 { |
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143 tmp = d(i); |
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144 os.write (X_CAST (char *, &tmp), 4); |
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145 } |
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146 |
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147 os.write (X_CAST(char *, matrix.data()), byte_size()); |
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148 |
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149 return true; |
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150 } |
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151 |
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152 template <class T> |
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153 bool |
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154 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, |
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155 oct_mach_info::float_format ) |
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156 { |
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157 FOUR_BYTE_INT mdims; |
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158 if (! is.read (X_CAST (char *, &mdims), 4)) |
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159 return false; |
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160 if (swap) |
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161 swap_4_bytes (X_CAST (char *, &mdims)); |
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162 if (mdims >= 0) |
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163 return false; |
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164 |
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165 mdims = - mdims; |
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166 FOUR_BYTE_INT di; |
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167 dim_vector dv; |
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168 dv.resize (mdims); |
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169 |
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170 for (int i = 0; i < mdims; i++) |
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171 { |
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172 if (! is.read (X_CAST (char *, &di), 4)) |
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173 return false; |
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174 if (swap) |
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175 swap_4_bytes (X_CAST (char *, &di)); |
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176 dv(i) = di; |
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177 } |
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178 |
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179 T m (dv); |
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180 |
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181 if (! is.read (X_CAST (char *, m.data ()), m.byte_size ())) |
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182 return false; |
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183 |
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184 if (swap) |
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185 { |
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186 int nel = dv.numel (); |
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187 int bytes = nel / m.byte_size(); |
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188 for (int i = 0; i < nel; i++) |
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189 switch (bytes) |
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190 { |
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191 case 8: |
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192 swap_8_bytes (X_CAST (char *, &m(i))); |
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193 break; |
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194 case 4: |
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195 swap_4_bytes (X_CAST (char *, &m(i))); |
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196 break; |
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197 case 2: |
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198 swap_2_bytes (X_CAST (char *, &m(i))); |
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199 break; |
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200 case 1: |
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201 default: |
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202 break; |
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203 } |
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204 } |
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205 |
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206 matrix = m; |
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207 return true; |
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208 } |
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209 |
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210 #if defined (HAVE_HDF5) |
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211 |
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212 template <class T> |
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213 bool |
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214 octave_base_int_matrix<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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215 { |
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216 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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217 bool retval = true; |
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218 dim_vector dv = dims (); |
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219 int empty = save_hdf5_empty (loc_id, name, dv); |
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220 if (empty) |
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221 return (empty > 0); |
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222 |
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223 int rank = dv.length (); |
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224 hid_t space_hid = -1, data_hid = -1; |
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225 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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226 |
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227 // Octave uses column-major, while HDF5 uses row-major ordering |
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228 for (int i = 0; i < rank; i++) |
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229 hdims[i] = dv (rank-i-1); |
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230 |
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231 space_hid = H5Screate_simple (rank, hdims, 0); |
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232 |
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233 if (space_hid < 0) return false; |
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234 |
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235 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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236 H5P_DEFAULT); |
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237 if (data_hid < 0) |
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238 { |
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239 H5Sclose (space_hid); |
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240 return false; |
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241 } |
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242 |
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243 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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244 H5P_DEFAULT, matrix.data()) >= 0; |
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245 |
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246 H5Dclose (data_hid); |
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247 H5Sclose (space_hid); |
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248 |
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249 return retval; |
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250 } |
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251 |
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252 template <class T> |
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253 bool |
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254 octave_base_int_matrix<T>::load_hdf5 (hid_t loc_id, const char *name, |
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255 bool /* have_h5giterate_bug */) |
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256 { |
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257 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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258 bool retval = false; |
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259 dim_vector dv; |
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260 int empty = load_hdf5_empty (loc_id, name, dv); |
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261 if (empty > 0) |
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262 matrix.resize(dv); |
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263 if (empty) |
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264 return (empty > 0); |
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265 |
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266 hid_t data_hid = H5Dopen (loc_id, name); |
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267 hid_t space_id = H5Dget_space (data_hid); |
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268 |
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269 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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270 |
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271 if (rank < 1) |
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272 { |
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273 H5Sclose (space_id); |
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274 H5Dclose (data_hid); |
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275 return false; |
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276 } |
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277 |
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278 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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279 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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280 |
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281 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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282 |
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283 // Octave uses column-major, while HDF5 uses row-major ordering |
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284 if (rank == 1) |
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285 { |
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286 dv.resize (2); |
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287 dv(0) = 1; |
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288 dv(1) = hdims[0]; |
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289 } |
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290 else |
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291 { |
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292 dv.resize (rank); |
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293 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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294 dv(j) = hdims[i]; |
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295 } |
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296 |
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297 T m (dv); |
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298 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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299 H5P_DEFAULT, m.fortran_vec()) >= 0) |
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300 { |
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301 retval = true; |
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302 matrix = m; |
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303 } |
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304 |
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305 H5Sclose (space_id); |
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306 H5Dclose (data_hid); |
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307 |
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308 return retval; |
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309 } |
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310 |
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311 #endif |
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312 |
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313 template <class T> |
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314 void |
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315 octave_base_int_matrix<T>::print_raw (std::ostream& os, |
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316 bool pr_as_read_syntax) const |
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317 { |
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318 octave_print_internal (os, matrix, pr_as_read_syntax, |
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319 current_print_indent_level ()); |
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320 } |
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321 |
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322 template <class T> |
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323 bool |
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324 octave_base_int_scalar<T>::save_ascii (std::ostream& os, bool& , bool) |
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325 { |
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326 os << scalar << "\n"; |
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327 return true; |
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328 } |
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329 |
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330 template <class T> |
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331 bool |
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332 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
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333 { |
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334 is >> scalar; |
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335 if (!is) |
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336 { |
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337 error ("load: failed to load scalar constant"); |
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338 return false; |
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339 } |
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340 return true; |
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341 } |
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342 |
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343 template <class T> |
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344 bool |
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345 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool&) |
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346 { |
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347 os.write (X_CAST(char *, &scalar), byte_size()); |
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348 return true; |
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349 } |
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350 |
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351 template <class T> |
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352 bool |
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353 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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354 oct_mach_info::float_format) |
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355 { |
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356 T tmp; |
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357 if (! is.read (X_CAST (char *, &tmp), byte_size())) |
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358 return false; |
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359 |
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360 if (swap) |
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361 switch (byte_size()) |
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362 { |
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363 case 8: |
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364 swap_8_bytes (X_CAST (char *, &tmp)); |
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365 break; |
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366 case 4: |
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367 swap_4_bytes (X_CAST (char *, &tmp)); |
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368 break; |
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369 case 2: |
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370 swap_2_bytes (X_CAST (char *, &tmp)); |
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371 break; |
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372 case 1: |
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373 default: |
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374 break; |
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375 } |
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376 scalar = tmp; |
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377 return true; |
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378 } |
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379 |
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380 #if defined (HAVE_HDF5) |
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381 template <class T> |
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382 bool |
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383 octave_base_int_scalar<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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384 { |
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385 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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386 bool retval = true; |
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387 hsize_t dimens[3]; |
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388 hid_t space_hid = -1, data_hid = -1; |
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389 |
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390 space_hid = H5Screate_simple (0, dimens, 0); |
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391 if (space_hid < 0) return false; |
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392 |
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393 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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394 H5P_DEFAULT); |
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395 if (data_hid < 0) |
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396 { |
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397 H5Sclose (space_hid); |
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398 return false; |
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399 } |
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400 |
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401 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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402 H5P_DEFAULT, &scalar) >= 0; |
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403 |
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404 H5Dclose (data_hid); |
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405 H5Sclose (space_hid); |
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406 |
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407 return retval; |
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408 } |
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409 |
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410 template <class T> |
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411 bool |
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412 octave_base_int_scalar<T>::load_hdf5 (hid_t loc_id, const char *name, |
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413 bool /* have_h5giterate_bug */) |
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414 { |
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415 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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416 hid_t data_hid = H5Dopen (loc_id, name); |
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417 hid_t space_id = H5Dget_space (data_hid); |
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418 |
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419 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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420 |
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421 if (rank != 0) |
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422 { |
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423 H5Dclose (data_hid); |
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424 return false; |
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425 } |
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426 |
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427 T tmp; |
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428 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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429 H5P_DEFAULT, &tmp) < 0) |
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430 { |
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431 H5Dclose (data_hid); |
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432 return false; |
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433 } |
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434 |
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435 scalar = tmp; |
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436 |
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437 H5Dclose (data_hid); |
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438 |
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439 return true; |
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440 } |
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441 #endif |
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442 |
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443 /* |
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444 ;;; Local Variables: *** |
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445 ;;; mode: C++ *** |
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446 ;;; End: *** |
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447 */ |
