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1 /* |
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2 |
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3 Copyright (C) 2004 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <climits> |
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29 |
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30 #include <iostream> |
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31 #include <vector> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "lo-utils.h" |
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35 #include "mx-base.h" |
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36 #include "quit.h" |
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37 |
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38 #include "defun.h" |
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39 #include "gripes.h" |
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40 #include "oct-obj.h" |
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41 #include "oct-lvalue.h" |
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42 #include "oct-stream.h" |
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43 #include "ops.h" |
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44 #include "ov-base.h" |
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45 #include "ov-base-mat.h" |
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46 #include "ov-base-mat.cc" |
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47 #include "ov-base-scalar.h" |
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48 #include "ov-base-scalar.cc" |
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49 #include "ov-base-int.h" |
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50 #include "ov-int-traits.h" |
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51 #include "pr-output.h" |
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52 #include "variables.h" |
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53 |
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54 #include "byte-swap.h" |
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55 #include "ls-oct-ascii.h" |
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56 #include "ls-utils.h" |
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57 #include "ls-hdf5.h" |
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58 |
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59 template <class T> |
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60 octave_base_value * |
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61 octave_base_int_matrix<T>::try_narrowing_conversion (void) |
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62 { |
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63 octave_base_value *retval = 0; |
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64 |
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65 if (this->matrix.nelem () == 1) |
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66 retval = new typename octave_value_int_traits<T>::scalar_type (this->matrix (0)); |
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67 |
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68 return retval; |
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69 } |
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70 |
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71 template <class T> |
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72 octave_value |
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73 octave_base_int_matrix<T>::convert_to_str_internal (bool, bool, char type) const |
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74 { |
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75 octave_value retval; |
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76 dim_vector dv = this->dims (); |
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77 octave_idx_type nel = dv.numel (); |
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78 |
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79 charNDArray chm (dv); |
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80 |
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81 bool warned = false; |
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82 |
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83 for (octave_idx_type i = 0; i < nel; i++) |
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84 { |
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85 OCTAVE_QUIT; |
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86 |
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87 typename T::elt_type tmp = this->matrix(i); |
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88 |
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89 typename T::elt_type::val_type ival = tmp.value (); |
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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 |
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100 ::warning ("range error for conversion to character value"); |
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101 warned = true; |
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102 } |
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103 } |
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104 else |
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105 chm (i) = static_cast<char> (ival); |
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106 } |
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107 |
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108 retval = octave_value (chm, true, type); |
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109 |
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110 return retval; |
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111 } |
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112 |
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113 template <class T> |
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114 bool |
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115 octave_base_int_matrix<T>::save_ascii (std::ostream& os, bool&) |
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116 { |
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117 dim_vector d = this->dims (); |
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118 |
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119 os << "# ndims: " << d.length () << "\n"; |
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120 |
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121 for (int i = 0; i < d.length (); i++) |
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122 os << " " << d (i); |
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123 |
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124 os << "\n" << this->matrix; |
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125 |
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126 return true; |
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127 } |
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128 |
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129 template <class T> |
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130 bool |
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131 octave_base_int_matrix<T>::load_ascii (std::istream& is) |
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132 { |
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133 int mdims = 0; |
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134 bool success = true; |
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135 |
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136 if (extract_keyword (is, "ndims", mdims, true)) |
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137 { |
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138 if (mdims >= 0) |
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139 { |
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140 dim_vector dv; |
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141 dv.resize (mdims); |
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142 |
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143 for (int i = 0; i < mdims; i++) |
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144 is >> dv(i); |
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145 |
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146 T tmp(dv); |
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147 |
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148 is >> tmp; |
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149 |
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150 if (!is) |
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151 { |
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152 error ("load: failed to load matrix constant"); |
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153 success = false; |
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154 } |
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155 |
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156 this->matrix = tmp; |
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157 } |
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158 else |
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159 { |
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160 error ("load: failed to extract number of rows and columns"); |
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161 success = false; |
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162 } |
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163 } |
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164 else |
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165 error ("load: failed to extract number of dimensions"); |
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166 |
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167 return success; |
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168 } |
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169 |
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170 template <class T> |
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171 bool |
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172 octave_base_int_matrix<T>::save_binary (std::ostream& os, bool&) |
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173 { |
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174 dim_vector d = this->dims (); |
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175 if (d.length() < 1) |
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176 return false; |
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177 |
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178 // Use negative value for ndims to differentiate with old format!! |
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179 int32_t tmp = - d.length(); |
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180 os.write (reinterpret_cast<char *> (&tmp), 4); |
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181 for (int i=0; i < d.length (); i++) |
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182 { |
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183 tmp = d(i); |
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184 os.write (reinterpret_cast<char *> (&tmp), 4); |
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185 } |
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186 |
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187 os.write (reinterpret_cast<const char *> (this->matrix.data()), this->byte_size()); |
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188 |
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189 return true; |
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190 } |
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191 |
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192 template <class T> |
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193 bool |
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194 octave_base_int_matrix<T>::load_binary (std::istream& is, bool swap, |
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195 oct_mach_info::float_format ) |
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196 { |
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197 int32_t mdims; |
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198 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
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199 return false; |
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200 if (swap) |
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201 swap_bytes<4> (&mdims); |
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202 if (mdims >= 0) |
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203 return false; |
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204 |
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205 mdims = - mdims; |
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206 int32_t di; |
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207 dim_vector dv; |
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208 dv.resize (mdims); |
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209 |
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210 for (int i = 0; i < mdims; i++) |
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211 { |
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212 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
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213 return false; |
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214 if (swap) |
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215 swap_bytes<4> (&di); |
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216 dv(i) = di; |
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217 } |
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218 |
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219 // Convert an array with a single dimension to be a row vector. |
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220 // Octave should never write files like this, other software |
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221 // might. |
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222 |
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223 if (mdims == 1) |
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224 { |
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225 mdims = 2; |
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226 dv.resize (mdims); |
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227 dv(1) = dv(0); |
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228 dv(0) = 1; |
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229 } |
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230 |
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231 T m (dv); |
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232 |
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233 if (! is.read (reinterpret_cast<char *> (m.fortran_vec ()), m.byte_size ())) |
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234 return false; |
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235 |
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236 if (swap) |
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237 { |
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238 int nel = dv.numel (); |
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239 int bytes = nel / m.byte_size(); |
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240 for (int i = 0; i < nel; i++) |
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241 switch (bytes) |
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242 { |
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243 case 8: |
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244 swap_bytes<8> (&m(i)); |
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245 break; |
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246 case 4: |
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247 swap_bytes<4> (&m(i)); |
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248 break; |
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249 case 2: |
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250 swap_bytes<2> (&m(i)); |
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251 break; |
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252 case 1: |
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253 default: |
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254 break; |
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255 } |
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256 } |
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257 |
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258 this->matrix = m; |
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259 return true; |
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260 } |
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261 |
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262 #if defined (HAVE_HDF5) |
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263 |
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264 template <class T> |
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265 bool |
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266 octave_base_int_matrix<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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267 { |
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268 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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269 bool retval = true; |
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270 dim_vector dv = this->dims (); |
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271 int empty = save_hdf5_empty (loc_id, name, 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 int rank = dv.length (); |
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276 hid_t space_hid = -1, data_hid = -1; |
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277 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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278 |
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279 // Octave uses column-major, while HDF5 uses row-major ordering |
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280 for (int i = 0; i < rank; i++) |
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281 hdims[i] = dv (rank-i-1); |
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282 |
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283 space_hid = H5Screate_simple (rank, hdims, 0); |
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284 |
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285 if (space_hid < 0) return false; |
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286 |
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287 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
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288 H5P_DEFAULT); |
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289 if (data_hid < 0) |
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290 { |
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291 H5Sclose (space_hid); |
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292 return false; |
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293 } |
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294 |
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295 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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296 H5P_DEFAULT, this->matrix.data()) >= 0; |
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297 |
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298 H5Dclose (data_hid); |
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299 H5Sclose (space_hid); |
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300 |
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301 return retval; |
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302 } |
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303 |
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304 template <class T> |
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305 bool |
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306 octave_base_int_matrix<T>::load_hdf5 (hid_t loc_id, const char *name, |
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307 bool /* have_h5giterate_bug */) |
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308 { |
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309 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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310 bool retval = false; |
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311 dim_vector dv; |
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312 int empty = load_hdf5_empty (loc_id, name, dv); |
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313 if (empty > 0) |
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314 this->matrix.resize(dv); |
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315 if (empty) |
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316 return (empty > 0); |
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317 |
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318 hid_t data_hid = H5Dopen (loc_id, name); |
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319 hid_t space_id = H5Dget_space (data_hid); |
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320 |
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321 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
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322 |
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323 if (rank < 1) |
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324 { |
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325 H5Sclose (space_id); |
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326 H5Dclose (data_hid); |
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327 return false; |
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328 } |
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329 |
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330 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
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331 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); |
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332 |
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333 H5Sget_simple_extent_dims (space_id, hdims, maxdims); |
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334 |
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335 // Octave uses column-major, while HDF5 uses row-major ordering |
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336 if (rank == 1) |
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337 { |
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338 dv.resize (2); |
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339 dv(0) = 1; |
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340 dv(1) = hdims[0]; |
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341 } |
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342 else |
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343 { |
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344 dv.resize (rank); |
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345 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
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346 dv(j) = hdims[i]; |
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347 } |
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348 |
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349 T m (dv); |
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350 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
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351 H5P_DEFAULT, m.fortran_vec()) >= 0) |
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352 { |
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353 retval = true; |
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354 this->matrix = m; |
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355 } |
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356 |
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357 H5Sclose (space_id); |
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358 H5Dclose (data_hid); |
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359 |
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360 return retval; |
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361 } |
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362 |
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363 #endif |
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364 |
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365 template <class T> |
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366 void |
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367 octave_base_int_matrix<T>::print_raw (std::ostream& os, |
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368 bool pr_as_read_syntax) const |
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369 { |
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370 octave_print_internal (os, this->matrix, pr_as_read_syntax, |
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371 this->current_print_indent_level ()); |
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372 } |
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373 |
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374 template <class T> |
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375 octave_value |
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376 octave_base_int_scalar<T>::convert_to_str_internal (bool, bool, char type) const |
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377 { |
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378 octave_value retval; |
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379 |
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380 T tmp = this->scalar; |
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381 |
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382 typename T::val_type ival = tmp.value (); |
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383 |
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384 if (ival < 0 || ival > UCHAR_MAX) |
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385 { |
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386 // FIXME -- is there something better we could do? |
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387 |
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388 ival = 0; |
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389 |
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390 ::warning ("range error for conversion to character value"); |
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391 } |
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392 else |
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393 retval = octave_value (std::string (1, static_cast<char> (ival)), type); |
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394 |
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395 return retval; |
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396 } |
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397 |
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398 template <class T> |
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399 bool |
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400 octave_base_int_scalar<T>::save_ascii (std::ostream& os, bool&) |
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401 { |
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402 os << this->scalar << "\n"; |
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403 return true; |
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404 } |
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405 |
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406 template <class T> |
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407 bool |
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408 octave_base_int_scalar<T>::load_ascii (std::istream& is) |
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409 { |
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410 is >> this->scalar; |
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411 if (!is) |
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412 { |
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413 error ("load: failed to load scalar constant"); |
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414 return false; |
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415 } |
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416 return true; |
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417 } |
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418 |
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419 template <class T> |
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420 bool |
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421 octave_base_int_scalar<T>::save_binary (std::ostream& os, bool&) |
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422 { |
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423 os.write (reinterpret_cast<char *> (&(this->scalar)), this->byte_size()); |
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424 return true; |
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425 } |
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426 |
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427 template <class T> |
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428 bool |
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429 octave_base_int_scalar<T>::load_binary (std::istream& is, bool swap, |
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430 oct_mach_info::float_format) |
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431 { |
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432 T tmp; |
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433 if (! is.read (reinterpret_cast<char *> (&tmp), this->byte_size())) |
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434 return false; |
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435 |
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436 if (swap) |
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437 switch (this->byte_size()) |
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438 { |
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439 case 8: |
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440 swap_bytes<8> (&tmp); |
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441 break; |
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442 case 4: |
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4944
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443 swap_bytes<4> (&tmp); |
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444 break; |
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445 case 2: |
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446 swap_bytes<2> (&tmp); |
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4917
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447 break; |
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448 case 1: |
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449 default: |
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450 break; |
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451 } |
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452 this->scalar = tmp; |
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453 return true; |
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454 } |
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455 |
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456 #if defined (HAVE_HDF5) |
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457 |
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4903
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458 template <class T> |
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459 bool |
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460 octave_base_int_scalar<T>::save_hdf5 (hid_t loc_id, const char *name, bool) |
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4903
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461 { |
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4917
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462 hid_t save_type_hid = HDF5_SAVE_TYPE; |
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4903
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463 bool retval = true; |
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464 hsize_t dimens[3]; |
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465 hid_t space_hid = -1, data_hid = -1; |
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466 |
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467 space_hid = H5Screate_simple (0, dimens, 0); |
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468 if (space_hid < 0) return false; |
|
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469 |
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4917
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470 data_hid = H5Dcreate (loc_id, name, save_type_hid, space_hid, |
|
4903
|
471 H5P_DEFAULT); |
|
|
472 if (data_hid < 0) |
|
|
473 { |
|
|
474 H5Sclose (space_hid); |
|
|
475 return false; |
|
|
476 } |
|
|
477 |
|
4917
|
478 retval = H5Dwrite (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
|
4932
|
479 H5P_DEFAULT, &(this->scalar)) >= 0; |
|
4903
|
480 |
|
|
481 H5Dclose (data_hid); |
|
|
482 H5Sclose (space_hid); |
|
|
483 |
|
|
484 return retval; |
|
|
485 } |
|
|
486 |
|
|
487 template <class T> |
|
|
488 bool |
|
|
489 octave_base_int_scalar<T>::load_hdf5 (hid_t loc_id, const char *name, |
|
|
490 bool /* have_h5giterate_bug */) |
|
|
491 { |
|
4917
|
492 hid_t save_type_hid = HDF5_SAVE_TYPE; |
|
4903
|
493 hid_t data_hid = H5Dopen (loc_id, name); |
|
|
494 hid_t space_id = H5Dget_space (data_hid); |
|
|
495 |
|
|
496 hsize_t rank = H5Sget_simple_extent_ndims (space_id); |
|
|
497 |
|
|
498 if (rank != 0) |
|
|
499 { |
|
|
500 H5Dclose (data_hid); |
|
|
501 return false; |
|
|
502 } |
|
|
503 |
|
4917
|
504 T tmp; |
|
|
505 if (H5Dread (data_hid, save_type_hid, H5S_ALL, H5S_ALL, |
|
|
506 H5P_DEFAULT, &tmp) < 0) |
|
4903
|
507 { |
|
|
508 H5Dclose (data_hid); |
|
|
509 return false; |
|
|
510 } |
|
|
511 |
|
4932
|
512 this->scalar = tmp; |
|
4903
|
513 |
|
|
514 H5Dclose (data_hid); |
|
|
515 |
|
|
516 return true; |
|
|
517 } |
|
4944
|
518 |
|
4903
|
519 #endif |
|
|
520 |
|
|
521 /* |
|
|
522 ;;; Local Variables: *** |
|
|
523 ;;; mode: C++ *** |
|
|
524 ;;; End: *** |
|
|
525 */ |
