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1 /* |
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2 |
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3 Copyright (C) 2004, 2005, 2006, 2007 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 3 of the License, or (at your |
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10 option) any 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, see |
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19 <http://www.gnu.org/licenses/>. |
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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_base_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_base_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 octave_value |
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72 octave_base_int_matrix<T>::convert_to_str_internal (bool, bool, char type) const |
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73 { |
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74 octave_value retval; |
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75 dim_vector dv = this->dims (); |
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76 octave_idx_type nel = dv.numel (); |
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77 |
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78 charNDArray chm (dv); |
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79 |
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80 bool warned = false; |
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81 |
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82 for (octave_idx_type i = 0; i < nel; i++) |
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83 { |
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84 OCTAVE_QUIT; |
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85 |
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86 typename T::elt_type tmp = this->matrix(i); |
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87 |
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88 typename T::elt_type::val_type ival = tmp.value (); |
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89 |
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90 |
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91 if (ival < 0 || ival > UCHAR_MAX) |
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92 { |
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93 // FIXME -- is there something better we could do? |
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94 |
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95 ival = 0; |
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96 |
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97 if (! warned) |
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98 { |
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99 ::warning ("range error for conversion to character value"); |
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100 warned = true; |
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101 } |
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102 } |
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103 else |
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104 chm (i) = static_cast<char> (ival); |
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105 } |
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106 |
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107 retval = octave_value (chm, true, type); |
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108 |
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109 return retval; |
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110 } |
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111 |
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112 template <class T> |
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113 bool |
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114 octave_base_int_matrix<T>::save_ascii (std::ostream& os) |
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115 { |
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116 dim_vector d = this->dims (); |
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117 |
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118 os << "# ndims: " << d.length () << "\n"; |
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119 |
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120 for (int i = 0; i < d.length (); i++) |
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121 os << " " << d (i); |
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122 |
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123 os << "\n" << this->matrix; |
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124 |
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125 return true; |
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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>::load_ascii (std::istream& is) |
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131 { |
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132 int mdims = 0; |
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133 bool success = true; |
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134 |
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135 if (extract_keyword (is, "ndims", mdims, true)) |
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136 { |
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137 if (mdims >= 0) |
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138 { |
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139 dim_vector dv; |
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140 dv.resize (mdims); |
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141 |
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142 for (int i = 0; i < mdims; i++) |
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143 is >> dv(i); |
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144 |
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145 T tmp(dv); |
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146 |
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147 is >> tmp; |
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148 |
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149 if (!is) |
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150 { |
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151 error ("load: failed to load matrix constant"); |
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152 success = false; |
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153 } |
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154 |
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155 this->matrix = tmp; |
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156 } |
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157 else |
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158 { |
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159 error ("load: failed to extract number of rows and columns"); |
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160 success = false; |
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161 } |
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162 } |
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163 else |
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164 error ("load: failed to extract number of dimensions"); |
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165 |
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166 return success; |
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167 } |
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168 |
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169 template <class T> |
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170 bool |
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171 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool&) |
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172 { |
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173 dim_vector d = this->dims (); |
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174 if (d.length() < 1) |
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175 return false; |
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176 |
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177 // Use negative value for ndims to differentiate with old format!! |
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178 int32_t tmp = - d.length(); |
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179 os.write (reinterpret_cast<char *> (&tmp), 4); |
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180 for (int i=0; i < d.length (); i++) |
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181 { |
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182 tmp = d(i); |
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183 os.write (reinterpret_cast<char *> (&tmp), 4); |
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184 } |
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185 |
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186 os.write (reinterpret_cast<const char *> (this->matrix.data()), this->byte_size()); |
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187 |
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188 return true; |
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189 } |
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190 |
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191 template <class T> |
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192 bool |
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193 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, |
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194 oct_mach_info::float_format ) |
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195 { |
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196 int32_t mdims; |
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197 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
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198 return false; |
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199 if (swap) |
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200 swap_bytes<4> (&mdims); |
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201 if (mdims >= 0) |
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202 return false; |
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203 |
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204 mdims = - mdims; |
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205 int32_t di; |
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206 dim_vector dv; |
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207 dv.resize (mdims); |
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208 |
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209 for (int i = 0; i < mdims; i++) |
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210 { |
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211 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
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212 return false; |
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213 if (swap) |
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214 swap_bytes<4> (&di); |
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215 dv(i) = di; |
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216 } |
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217 |
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218 // Convert an array with a single dimension to be a row vector. |
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219 // Octave should never write files like this, other software |
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220 // might. |
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221 |
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222 if (mdims == 1) |
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223 { |
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224 mdims = 2; |
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225 dv.resize (mdims); |
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226 dv(1) = dv(0); |
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227 dv(0) = 1; |
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228 } |
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229 |
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230 T m (dv); |
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231 |
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232 if (! is.read (reinterpret_cast<char *> (m.fortran_vec ()), m.byte_size ())) |
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233 return false; |
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234 |
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235 if (swap) |
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236 { |
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237 int nel = dv.numel (); |
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238 int bytes = nel / m.byte_size(); |
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239 for (int i = 0; i < nel; i++) |
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240 switch (bytes) |
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241 { |
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242 case 8: |
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243 swap_bytes<8> (&m(i)); |
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244 break; |
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245 case 4: |
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246 swap_bytes<4> (&m(i)); |
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247 break; |
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248 case 2: |
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249 swap_bytes<2> (&m(i)); |
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250 break; |
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251 case 1: |
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252 default: |
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253 break; |
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254 } |
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255 } |
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256 |
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257 this->matrix = m; |
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258 return true; |
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259 } |
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260 |
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261 #if defined (HAVE_HDF5) |
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262 |
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263 template <class T> |
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264 bool |
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265 octave_base_int_matrix<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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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 = true; |
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269 dim_vector dv = this->dims (); |
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270 int empty = save_hdf5_empty (loc_id, name, dv); |
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271 if (empty) |
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272 return (empty > 0); |
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273 |
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274 int rank = dv.length (); |
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275 hid_t space_hid = -1, data_hid = -1; |
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276 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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277 |
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278 // Octave uses column-major, while HDF5 uses row-major ordering |
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279 for (int i = 0; i < rank; i++) |
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280 hdims[i] = dv (rank-i-1); |
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281 |
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282 space_hid = H5Screate_simple (rank, hdims, 0); |
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283 |
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284 if (space_hid < 0) return false; |
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285 |
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286 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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287 H5P_DEFAULT); |
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288 if (data_hid < 0) |
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289 { |
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290 H5Sclose (space_hid); |
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291 return false; |
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292 } |
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293 |
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294 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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295 H5P_DEFAULT, this->matrix.data()) >= 0; |
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296 |
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297 H5Dclose (data_hid); |
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298 H5Sclose (space_hid); |
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299 |
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300 return retval; |
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301 } |
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302 |
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303 template <class T> |
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304 bool |
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305 octave_base_int_matrix<T>::load_hdf5 (hid_t loc_id, const char *name, |
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306 bool /* have_h5giterate_bug */) |
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307 { |
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308 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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309 bool retval = false; |
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310 dim_vector dv; |
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311 int empty = load_hdf5_empty (loc_id, name, dv); |
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312 if (empty > 0) |
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313 this->matrix.resize(dv); |
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314 if (empty) |
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315 return (empty > 0); |
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316 |
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317 hid_t data_hid = H5Dopen (loc_id, name); |
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318 hid_t space_id = H5Dget_space (data_hid); |
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319 |
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320 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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321 |
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322 if (rank < 1) |
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323 { |
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324 H5Sclose (space_id); |
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325 H5Dclose (data_hid); |
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326 return false; |
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327 } |
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328 |
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329 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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330 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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331 |
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332 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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333 |
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334 // Octave uses column-major, while HDF5 uses row-major ordering |
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335 if (rank == 1) |
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336 { |
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337 dv.resize (2); |
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338 dv(0) = 1; |
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339 dv(1) = hdims[0]; |
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340 } |
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341 else |
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342 { |
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343 dv.resize (rank); |
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344 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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345 dv(j) = hdims[i]; |
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346 } |
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347 |
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348 T m (dv); |
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349 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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350 H5P_DEFAULT, m.fortran_vec()) >= 0) |
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351 { |
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352 retval = true; |
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353 this->matrix = m; |
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354 } |
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355 |
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356 H5Sclose (space_id); |
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357 H5Dclose (data_hid); |
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358 |
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359 return retval; |
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360 } |
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361 |
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362 #endif |
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363 |
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364 template <class T> |
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365 void |
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366 octave_base_int_matrix<T>::print_raw (std::ostream& os, |
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367 bool pr_as_read_syntax) const |
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368 { |
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369 octave_print_internal (os, this->matrix, pr_as_read_syntax, |
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370 this->current_print_indent_level ()); |
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371 } |
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372 |
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373 template <class T> |
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374 octave_value |
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375 octave_base_int_scalar<T>::convert_to_str_internal (bool, bool, char type) const |
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376 { |
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377 octave_value retval; |
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378 |
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379 T tmp = this->scalar; |
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380 |
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381 typename T::val_type ival = tmp.value (); |
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382 |
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383 if (ival < 0 || ival > UCHAR_MAX) |
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384 { |
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385 // FIXME -- is there something better we could do? |
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386 |
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387 ival = 0; |
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388 |
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389 ::warning ("range error for conversion to character value"); |
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390 } |
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391 else |
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392 retval = octave_value (std::string (1, static_cast<char> (ival)), type); |
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393 |
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394 return retval; |
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395 } |
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396 |
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397 template <class T> |
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398 bool |
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399 octave_base_int_scalar<T>::save_ascii (std::ostream& os) |
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400 { |
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401 os << this->scalar << "\n"; |
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402 return true; |
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403 } |
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404 |
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405 template <class T> |
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406 bool |
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407 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
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408 { |
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409 is >> this->scalar; |
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410 if (!is) |
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411 { |
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412 error ("load: failed to load scalar constant"); |
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413 return false; |
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414 } |
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415 return true; |
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416 } |
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417 |
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418 template <class T> |
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419 bool |
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420 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool&) |
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421 { |
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422 os.write (reinterpret_cast<char *> (&(this->scalar)), this->byte_size()); |
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423 return true; |
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424 } |
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425 |
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426 template <class T> |
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427 bool |
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428 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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429 oct_mach_info::float_format) |
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430 { |
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431 T tmp; |
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432 if (! is.read (reinterpret_cast<char *> (&tmp), this->byte_size())) |
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433 return false; |
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434 |
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435 if (swap) |
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436 switch (this->byte_size()) |
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437 { |
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438 case 8: |
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439 swap_bytes<8> (&tmp); |
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440 break; |
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441 case 4: |
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442 swap_bytes<4> (&tmp); |
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443 break; |
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444 case 2: |
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445 swap_bytes<2> (&tmp); |
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446 break; |
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447 case 1: |
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448 default: |
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449 break; |
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450 } |
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451 this->scalar = tmp; |
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452 return true; |
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453 } |
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454 |
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455 #if defined (HAVE_HDF5) |
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456 |
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457 template <class T> |
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458 bool |
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459 octave_base_int_scalar<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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460 { |
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461 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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462 bool retval = true; |
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463 hsize_t dimens[3]; |
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464 hid_t space_hid = -1, data_hid = -1; |
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465 |
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466 space_hid = H5Screate_simple (0, dimens, 0); |
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467 if (space_hid < 0) return false; |
|
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468 |
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4917
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469 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
|
4903
|
470 H5P_DEFAULT); |
|
|
471 if (data_hid < 0) |
|
|
472 { |
|
|
473 H5Sclose (space_hid); |
|
|
474 return false; |
|
|
475 } |
|
|
476 |
|
4917
|
477 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
|
4932
|
478 H5P_DEFAULT, &(this->scalar)) >= 0; |
|
4903
|
479 |
|
|
480 H5Dclose (data_hid); |
|
|
481 H5Sclose (space_hid); |
|
|
482 |
|
|
483 return retval; |
|
|
484 } |
|
|
485 |
|
|
486 template <class T> |
|
|
487 bool |
|
|
488 octave_base_int_scalar<T>::load_hdf5 (hid_t loc_id, const char *name, |
|
|
489 bool /* have_h5giterate_bug */) |
|
|
490 { |
|
4917
|
491 hid_t save_type_hid = HDF5_SAVE_TYPE; |
|
4903
|
492 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
493 hid_t space_id = H5Dget_space (data_hid); |
|
|
494 |
|
|
495 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
496 |
|
|
497 if (rank != 0) |
|
|
498 { |
|
|
499 H5Dclose (data_hid); |
|
|
500 return false; |
|
|
501 } |
|
|
502 |
|
4917
|
503 T tmp; |
|
|
504 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
|
|
505 H5P_DEFAULT, &tmp) < 0) |
|
4903
|
506 { |
|
|
507 H5Dclose (data_hid); |
|
|
508 return false; |
|
|
509 } |
|
|
510 |
|
4932
|
511 this->scalar = tmp; |
|
4903
|
512 |
|
|
513 H5Dclose (data_hid); |
|
|
514 |
|
|
515 return true; |
|
|
516 } |
|
4944
|
517 |
|
4903
|
518 #endif |
|
|
519 |
|
|
520 /* |
|
|
521 ;;; Local Variables: *** |
|
|
522 ;;; mode: C++ *** |
|
|
523 ;;; End: *** |
|
|
524 */ |
