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4634
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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 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 // Author: James R. Van Zandt <jrv@vanzandt.mv.com> |
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24 |
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25 #ifdef HAVE_CONFIG_H |
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26 #include <config.h> |
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27 #endif |
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28 |
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29 #include <cfloat> |
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30 #include <cstring> |
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31 #include <cctype> |
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32 |
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33 #include <fstream> |
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34 #include <iomanip> |
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35 #include <iostream> |
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36 #include <string> |
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4726
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37 #include <vector> |
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4634
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38 |
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39 #include "byte-swap.h" |
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40 #include "data-conv.h" |
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41 #include "file-ops.h" |
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42 #include "glob-match.h" |
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43 #include "lo-mappers.h" |
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44 #include "lo-sstream.h" |
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45 #include "mach-info.h" |
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46 #include "oct-env.h" |
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47 #include "oct-time.h" |
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48 #include "quit.h" |
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49 #include "str-vec.h" |
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50 |
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51 #include "Cell.h" |
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52 #include "defun.h" |
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53 #include "error.h" |
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54 #include "gripes.h" |
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55 #include "load-save.h" |
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56 #include "oct-obj.h" |
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57 #include "oct-map.h" |
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58 #include "ov-cell.h" |
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59 #include "pager.h" |
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60 #include "pt-exp.h" |
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61 #include "symtab.h" |
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62 #include "sysdep.h" |
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63 #include "unwind-prot.h" |
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64 #include "utils.h" |
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65 #include "variables.h" |
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66 #include "version.h" |
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67 #include "dMatrix.h" |
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68 |
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69 #include "ls-utils.h" |
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70 #include "ls-mat5.h" |
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71 |
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72 #define PAD(l) (((l)<=4)?4:(((l)+7)/8)*8) |
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73 #define TAGLENGTH(l) ((l)<=4?4:8) |
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74 |
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75 enum arrayclasstype |
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76 { |
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77 mxCELL_CLASS=1, // cell array |
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78 mxSTRUCT_CLASS, // structure |
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79 mxOBJECT_CLASS, // object |
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80 mxCHAR_CLASS, // character array |
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81 mxSPARSE_CLASS, // sparse array |
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82 mxDOUBLE_CLASS, // double precision array |
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83 mxSINGLE_CLASS, // single precision floating point |
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84 mxINT8_CLASS, // 8 bit signed integer |
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85 mxUINT8_CLASS, // 8 bit unsigned integer |
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86 mxINT16_CLASS, // 16 bit signed integer |
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87 mxUINT16_CLASS, // 16 bit unsigned integer |
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88 mxINT32_CLASS, // 32 bit signed integer |
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5089
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89 mxUINT32_CLASS, // 32 bit unsigned integer |
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90 mxINT64_CLASS, // 64 bit signed integer |
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91 mxUINT64_CLASS, // 64 bit unsigned integer |
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92 mxFUNCTION_CLASS // Function handle |
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4634
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93 }; |
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94 |
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95 // Read COUNT elements of data from IS in the format specified by TYPE, |
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96 // placing the result in DATA. If SWAP is TRUE, swap the bytes of |
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97 // each element before copying to DATA. FLT_FMT specifies the format |
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98 // of the data if we are reading floating point numbers. |
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99 |
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100 static void |
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101 read_mat5_binary_data (std::istream& is, double *data, |
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102 int count, bool swap, mat5_data_type type, |
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103 oct_mach_info::float_format flt_fmt) |
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104 { |
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105 |
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106 switch (type) |
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107 { |
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108 case miINT8: |
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109 read_doubles (is, data, LS_CHAR, count, swap, flt_fmt); |
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110 break; |
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111 |
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112 case miUINT8: |
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113 read_doubles (is, data, LS_U_CHAR, count, swap, flt_fmt); |
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114 break; |
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115 |
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116 case miINT16: |
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117 read_doubles (is, data, LS_SHORT, count, swap, flt_fmt); |
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118 break; |
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119 |
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120 case miUINT16: |
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121 read_doubles (is, data, LS_U_SHORT, count, swap, flt_fmt); |
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122 break; |
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123 |
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124 case miINT32: |
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125 read_doubles (is, data, LS_INT, count, swap, flt_fmt); |
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126 break; |
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127 |
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128 case miUINT32: |
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129 read_doubles (is, data, LS_U_INT, count, swap, flt_fmt); |
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130 break; |
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131 |
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132 case miSINGLE: |
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133 read_doubles (is, data, LS_FLOAT, count, swap, flt_fmt); |
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134 break; |
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135 |
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136 case miRESERVE1: |
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137 break; |
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138 |
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139 case miDOUBLE: |
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140 read_doubles (is, data, LS_DOUBLE, count, swap, flt_fmt); |
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141 break; |
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142 |
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143 case miRESERVE2: |
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144 case miRESERVE3: |
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145 break; |
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146 |
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147 case miINT64: |
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148 #ifdef EIGHT_BYTE_INT |
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149 read_doubles (is, data, LS_LONG, count, swap, flt_fmt); |
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150 #endif |
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151 break; |
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152 |
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153 case miUINT64: |
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154 #ifdef EIGHT_BYTE_INT |
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155 read_doubles (is, data, LS_U_LONG, count, swap, flt_fmt); |
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156 #endif |
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157 break; |
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158 |
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159 case miMATRIX: |
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160 default: |
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161 break; |
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162 } |
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163 } |
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164 |
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5089
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165 template <class T> |
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166 void |
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167 read_mat5_integer_data (std::istream& is, T &m, int count, bool swap, |
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168 mat5_data_type type) |
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169 { |
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170 |
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171 #define READ_INTEGER_DATA(TYPE, swap, data, size, len, stream) \ |
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172 do \ |
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173 { \ |
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174 if (len > 0) \ |
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175 { \ |
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176 volatile TYPE *ptr = X_CAST (volatile TYPE *, data); \ |
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177 stream.read (X_CAST (char *, ptr), size * len); \ |
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178 if (swap) \ |
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179 swap_bytes< size > (ptr, len); \ |
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180 TYPE tmp = ptr[0]; \ |
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181 for (int i = len - 1; i > 0; i--) \ |
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182 data[i] = ptr[i]; \ |
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183 data[0] = tmp; \ |
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184 } \ |
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185 } \ |
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186 while (0) |
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187 |
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188 switch (type) |
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189 { |
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190 case miINT8: |
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191 READ_INTEGER_DATA (signed char, swap, m.fortran_vec (), 1, |
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192 count, is); |
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193 break; |
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194 |
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195 case miUINT8: |
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196 READ_INTEGER_DATA (unsigned char, swap, m.fortran_vec (), 1, |
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197 count, is); |
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198 break; |
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199 |
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200 case miINT16: |
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201 READ_INTEGER_DATA (signed TWO_BYTE_INT, swap, m.fortran_vec (), 2, |
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202 count, is); |
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203 break; |
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204 |
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205 case miUINT16: |
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206 READ_INTEGER_DATA (unsigned TWO_BYTE_INT, swap, m.fortran_vec (), 2, |
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207 count, is); |
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208 break; |
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209 |
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210 case miINT32: |
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211 READ_INTEGER_DATA (signed FOUR_BYTE_INT, swap, m.fortran_vec (), 4, |
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212 count, is); |
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213 break; |
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214 |
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215 case miUINT32: |
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216 READ_INTEGER_DATA (unsigned FOUR_BYTE_INT, swap, m.fortran_vec (), 4, |
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217 count, is); |
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218 break; |
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219 |
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220 case miSINGLE: |
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221 case miRESERVE1: |
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222 case miDOUBLE: |
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223 case miRESERVE2: |
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224 case miRESERVE3: |
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225 break; |
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226 |
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227 case miINT64: |
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228 #ifdef EIGHT_BYTE_INT |
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229 READ_INTEGER_DATA (signed EIGHT_BYTE_INT, swap, m.fortran_vec (), 8, |
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230 count, is); |
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231 #endif |
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232 break; |
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233 |
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234 case miUINT64: |
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235 #ifdef EIGHT_BYTE_INT |
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236 READ_INTEGER_DATA (unsigned EIGHT_BYTE_INT, swap, m.fortran_vec (), 8, |
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237 count, is); |
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238 #endif |
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239 break; |
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240 |
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241 case miMATRIX: |
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242 default: |
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243 break; |
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244 } |
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245 |
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246 #undef READ_INTEGER_DATA |
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247 |
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248 } |
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249 |
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250 template void read_mat5_integer_data (std::istream& is, int8NDArray &m, |
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251 int count, bool swap, |
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252 mat5_data_type type); |
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253 template void read_mat5_integer_data (std::istream& is, int16NDArray &m, |
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254 int count, bool swap, |
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255 mat5_data_type type); |
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256 template void read_mat5_integer_data (std::istream& is, int32NDArray &m, |
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257 int count, bool swap, |
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258 mat5_data_type type); |
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259 template void read_mat5_integer_data (std::istream& is, int64NDArray &m, |
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260 int count, bool swap, |
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261 mat5_data_type type); |
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262 template void read_mat5_integer_data (std::istream& is, uint8NDArray &m, |
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263 int count, bool swap, |
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264 mat5_data_type type); |
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265 template void read_mat5_integer_data (std::istream& is, uint16NDArray &m, |
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266 int count, bool swap, |
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267 mat5_data_type type); |
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268 template void read_mat5_integer_data (std::istream& is, uint32NDArray &m, |
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269 int count, bool swap, |
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270 mat5_data_type type); |
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271 template void read_mat5_integer_data (std::istream& is, uint64NDArray &m, |
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272 int count, bool swap, |
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273 mat5_data_type type); |
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274 |
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275 #define OCTAVE_MAT5_INTEGER_READ(TYP) \ |
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276 { \ |
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277 TYP re (dims); \ |
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278 \ |
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279 std::streampos tmp_pos; \ |
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280 \ |
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281 if (read_mat5_tag (is, swap, type, len)) \ |
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282 { \ |
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283 error ("load: reading matrix data for `%s'", retval.c_str ()); \ |
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284 goto data_read_error; \ |
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285 } \ |
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286 \ |
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287 int n = re.length (); \ |
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288 tmp_pos = is.tellg (); \ |
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289 read_mat5_integer_data (is, re, n, swap, \ |
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290 (enum mat5_data_type) type); \ |
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291 \ |
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292 if (! is || error_state) \ |
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293 { \ |
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294 error ("load: reading matrix data for `%s'", retval.c_str ()); \ |
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295 goto data_read_error; \ |
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296 } \ |
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297 \ |
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298 is.seekg (tmp_pos + static_cast<std::streamoff> (PAD (len))); \ |
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299 \ |
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300 if (imag) \ |
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301 { \ |
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302 /* We don't handle imag integer types, convert to an array */ \ |
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303 NDArray im (dims); \ |
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304 \ |
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305 if (read_mat5_tag (is, swap, type, len)) \ |
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306 { \ |
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307 error ("load: reading matrix data for `%s'", \ |
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308 retval.c_str ()); \ |
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309 goto data_read_error; \ |
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310 } \ |
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311 \ |
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312 n = im.length (); \ |
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313 read_mat5_binary_data (is, im.fortran_vec (), n, swap, \ |
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314 (enum mat5_data_type) type, flt_fmt); \ |
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315 \ |
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316 if (! is || error_state) \ |
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317 { \ |
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318 error ("load: reading imaginary matrix data for `%s'", \ |
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319 retval.c_str ()); \ |
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320 goto data_read_error; \ |
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321 } \ |
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322 \ |
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323 ComplexNDArray ctmp (dims); \ |
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324 \ |
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325 for (int i = 0; i < n; i++) \ |
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326 ctmp(i) = Complex (double (re(i)), im(i)); \ |
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327 \ |
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328 tc = ctmp; \ |
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329 } \ |
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330 else \ |
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331 tc = re; \ |
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332 } |
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333 |
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4634
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334 // Read one element tag from stream IS, |
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335 // place the type code in TYPE and the byte count in BYTES |
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336 // return nonzero on error |
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337 static int |
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338 read_mat5_tag (std::istream& is, bool swap, int& type, int& bytes) |
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339 { |
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340 unsigned int upper; |
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341 FOUR_BYTE_INT temp; |
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342 |
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343 if (! is.read (X_CAST (char *, &temp), 4 )) |
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344 goto data_read_error; |
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345 |
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346 if (swap) |
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4944
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347 swap_bytes<4> (&temp); |
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4634
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348 |
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349 upper = (temp >> 16) & 0xffff; |
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350 type = temp & 0xffff; |
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351 |
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352 if (upper) |
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353 { |
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354 // "compressed" format |
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355 bytes = upper; |
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356 } |
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357 else |
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358 { |
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359 if (! is.read (X_CAST (char *, &temp), 4 )) |
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360 goto data_read_error; |
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361 if (swap) |
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4944
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362 swap_bytes<4> (&temp); |
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4634
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363 bytes = temp; |
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364 } |
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365 |
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366 return 0; |
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367 |
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368 data_read_error: |
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369 return 1; |
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370 } |
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371 |
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4944
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372 static void |
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373 read_int (std::istream& is, bool swap, FOUR_BYTE_INT& val) |
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374 { |
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375 is.read (reinterpret_cast<char *> (&val), 4); |
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376 |
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377 if (swap) |
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378 swap_bytes<4> (&val); |
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379 } |
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380 |
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4634
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381 // Extract one data element (scalar, matrix, string, etc.) from stream |
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382 // IS and place it in TC, returning the name of the variable. |
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383 // |
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384 // The data is expected to be in Matlab's "Version 5" .mat format, |
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385 // though not all the features of that format are supported. |
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386 // |
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387 // FILENAME is used for error messages. |
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388 |
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389 std::string |
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390 read_mat5_binary_element (std::istream& is, const std::string& filename, |
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391 bool swap, bool& global, octave_value& tc) |
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392 { |
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393 std::string retval; |
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394 |
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395 // These are initialized here instead of closer to where they are |
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396 // first used to avoid errors from gcc about goto crossing |
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397 // initialization of variable. |
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398 |
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399 oct_mach_info::float_format flt_fmt = oct_mach_info::flt_fmt_unknown; |
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400 int type = 0; |
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401 bool imag; |
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402 bool logicalvar; |
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403 enum arrayclasstype arrayclass; |
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404 FOUR_BYTE_INT junk; |
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405 FOUR_BYTE_INT flags; |
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406 dim_vector dims; |
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407 int len; |
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408 int element_length; |
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409 std::streampos pos; |
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410 TWO_BYTE_INT number; |
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411 number = *(TWO_BYTE_INT *)"\x00\x01"; |
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412 |
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413 global = false; |
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414 |
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415 // MAT files always use IEEE floating point |
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416 if ((number == 1) ^ swap) |
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417 flt_fmt = oct_mach_info::flt_fmt_ieee_big_endian; |
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418 else |
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419 flt_fmt = oct_mach_info::flt_fmt_ieee_little_endian; |
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420 |
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421 // element type and length |
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422 if (read_mat5_tag (is, swap, type, element_length)) |
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423 return retval; // EOF |
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424 |
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425 if (type != miMATRIX) |
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426 { |
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427 error ("load: invalid element type"); |
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428 goto early_read_error; |
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429 } |
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430 |
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431 if (element_length == 0) |
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432 { |
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433 tc = Matrix (); |
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434 return retval; |
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435 } |
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436 |
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437 pos = is.tellg (); |
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438 |
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439 // array flags subelement |
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440 if (read_mat5_tag (is, swap, type, len) || type != miUINT32 || len != 8) |
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441 { |
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442 error ("load: invalid array flags subelement"); |
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443 goto early_read_error; |
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444 } |
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445 |
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446 read_int (is, swap, flags); |
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447 imag = (flags & 0x0800) != 0; // has an imaginary part? |
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448 global = (flags & 0x0400) != 0; // global variable? |
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449 logicalvar = (flags & 0x0200) != 0; // we don't use this yet |
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450 arrayclass = (arrayclasstype)(flags & 0xff); |
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451 read_int (is, swap, junk); // an "undefined" entry |
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452 |
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453 // dimensions array subelement |
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454 { |
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4638
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455 FOUR_BYTE_INT dim_len; |
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456 |
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457 if (read_mat5_tag (is, swap, type, dim_len) || type != miINT32) |
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4634
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458 { |
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459 error ("load: invalid dimensions array subelement"); |
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460 goto early_read_error; |
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461 } |
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462 |
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4638
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463 int ndims = dim_len / 4; |
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4634
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464 dims.resize (ndims); |
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465 for (int i = 0; i < ndims; i++) |
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466 { |
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467 FOUR_BYTE_INT n; |
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468 read_int (is, swap, n); |
|
|
469 dims(i) = n; |
|
|
470 } |
|
|
471 |
|
|
472 std::streampos tmp_pos = is.tellg (); |
|
4638
|
473 is.seekg (tmp_pos + static_cast<std::streamoff> (PAD (dim_len) - dim_len)); |
|
4634
|
474 } |
|
|
475 |
|
|
476 if (read_mat5_tag (is, swap, type, len) || type != miINT8) |
|
|
477 { |
|
|
478 error ("load: invalid array name subelement"); |
|
|
479 goto early_read_error; |
|
|
480 } |
|
|
481 |
|
|
482 { |
|
|
483 OCTAVE_LOCAL_BUFFER (char, name, len+1); |
|
|
484 |
|
|
485 // Structure field subelements have zero-length array name subelements. |
|
|
486 |
|
|
487 std::streampos tmp_pos = is.tellg (); |
|
|
488 |
|
|
489 if (len) |
|
|
490 { |
|
|
491 if (! is.read (X_CAST (char *, name), len )) |
|
|
492 goto data_read_error; |
|
|
493 |
|
|
494 is.seekg (tmp_pos + static_cast<std::streamoff> (PAD (len))); |
|
|
495 } |
|
|
496 |
|
|
497 name[len] = '\0'; |
|
|
498 retval = name; |
|
|
499 } |
|
|
500 |
|
|
501 switch (arrayclass) |
|
|
502 { |
|
|
503 case mxCELL_CLASS: |
|
|
504 { |
|
|
505 Cell cell_array (dims); |
|
|
506 |
|
|
507 int n = cell_array.length (); |
|
|
508 |
|
|
509 for (int i = 0; i < n; i++) |
|
|
510 { |
|
|
511 octave_value tc2; |
|
|
512 |
|
|
513 std::string nm |
|
|
514 = read_mat5_binary_element (is, filename, swap, global, tc2); |
|
|
515 |
|
|
516 if (! is || error_state) |
|
|
517 { |
|
|
518 error ("load: reading cell data for `%s'", nm.c_str ()); |
|
|
519 goto data_read_error; |
|
|
520 } |
|
|
521 |
|
|
522 cell_array(i) = tc2; |
|
|
523 } |
|
|
524 |
|
|
525 tc = cell_array; |
|
|
526 } |
|
|
527 break; |
|
|
528 |
|
|
529 case mxOBJECT_CLASS: |
|
|
530 warning ("load: objects are not implemented"); |
|
|
531 goto skip_ahead; |
|
|
532 |
|
|
533 case mxSPARSE_CLASS: |
|
|
534 warning ("load: sparse arrays are not implemented"); |
|
|
535 goto skip_ahead; |
|
|
536 |
|
5089
|
537 case mxFUNCTION_CLASS: |
|
|
538 warning ("load: function handles are not implemented"); |
|
|
539 goto skip_ahead; |
|
|
540 |
|
4634
|
541 case mxSTRUCT_CLASS: |
|
|
542 { |
|
|
543 Octave_map m; |
|
|
544 FOUR_BYTE_INT fn_type; |
|
|
545 FOUR_BYTE_INT fn_len; |
|
|
546 FOUR_BYTE_INT field_name_length; |
|
|
547 int i; |
|
|
548 |
|
|
549 // field name length subelement -- actually the maximum length |
|
|
550 // of a field name. The Matlab docs promise this will always |
|
|
551 // be 32. We read and use the actual value, on the theory |
|
|
552 // that eventually someone will recognize that's a waste of |
|
|
553 // space. |
|
|
554 if (read_mat5_tag (is, swap, fn_type, fn_len) || fn_type != miINT32) |
|
|
555 { |
|
|
556 error ("load: invalid field name subelement"); |
|
|
557 goto data_read_error; |
|
|
558 } |
|
|
559 |
|
|
560 if (! is.read (X_CAST (char *, &field_name_length), fn_len )) |
|
|
561 goto data_read_error; |
|
|
562 |
|
|
563 if (swap) |
|
4944
|
564 swap_bytes<4> (&field_name_length); |
|
4634
|
565 |
|
|
566 // field name subelement. The length of this subelement tells |
|
|
567 // us how many fields there are. |
|
|
568 if (read_mat5_tag (is, swap, fn_type, fn_len) || fn_type != miINT8) |
|
|
569 { |
|
|
570 error ("load: invalid field name subelement"); |
|
|
571 goto data_read_error; |
|
|
572 } |
|
|
573 |
|
|
574 int n_fields = fn_len/field_name_length; |
|
|
575 |
|
|
576 fn_len = PAD (fn_len); |
|
|
577 |
|
|
578 OCTAVE_LOCAL_BUFFER (char, elname, fn_len); |
|
|
579 |
|
|
580 if (! is.read (elname, fn_len)) |
|
|
581 goto data_read_error; |
|
|
582 |
|
|
583 int n; |
|
|
584 if (dims(0) == 1) |
|
|
585 n = dims(1); |
|
|
586 else if (dims(1) == 1) |
|
|
587 n = dims(0); |
|
|
588 else |
|
|
589 { |
|
|
590 error ("load: can only handle one-dimensional structure arrays"); |
|
|
591 goto data_read_error; |
|
|
592 } |
|
|
593 |
|
|
594 Cell field_elts (n_fields, n); |
|
|
595 |
|
|
596 // fields subelements |
|
|
597 for (int j = 0; j < n; j++) |
|
|
598 { |
|
|
599 for (i = 0; i < n_fields; i++) |
|
|
600 { |
|
|
601 octave_value fieldtc; |
|
|
602 read_mat5_binary_element (is, filename, swap, global, fieldtc); |
|
|
603 field_elts(i,j) = fieldtc; |
|
|
604 } |
|
|
605 } |
|
|
606 |
|
|
607 for (int j = n_fields-1; j >= 0; j--) |
|
|
608 { |
|
|
609 const char *key = elname + j*field_name_length; |
|
|
610 |
|
4675
|
611 Cell c (dim_vector (n, 1)); |
|
|
612 |
|
4634
|
613 for (int k = n-1; k >=0; k--) |
|
4675
|
614 c(k) = field_elts(j,k); |
|
|
615 |
|
|
616 m.assign (key, c); |
|
4634
|
617 } |
|
|
618 |
|
|
619 tc = m; |
|
|
620 } |
|
|
621 break; |
|
|
622 |
|
5089
|
623 case mxINT8_CLASS: |
|
|
624 OCTAVE_MAT5_INTEGER_READ (int8NDArray); |
|
|
625 break; |
|
|
626 |
|
|
627 case mxUINT8_CLASS: |
|
|
628 OCTAVE_MAT5_INTEGER_READ (uint8NDArray); |
|
|
629 break; |
|
|
630 |
|
|
631 case mxINT16_CLASS: |
|
|
632 OCTAVE_MAT5_INTEGER_READ (int16NDArray); |
|
|
633 break; |
|
|
634 |
|
|
635 case mxUINT16_CLASS: |
|
|
636 OCTAVE_MAT5_INTEGER_READ (uint16NDArray); |
|
|
637 break; |
|
|
638 |
|
|
639 case mxINT32_CLASS: |
|
|
640 OCTAVE_MAT5_INTEGER_READ (int32NDArray); |
|
|
641 break; |
|
|
642 |
|
|
643 case mxUINT32_CLASS: |
|
|
644 OCTAVE_MAT5_INTEGER_READ (uint32NDArray); |
|
|
645 break; |
|
|
646 |
|
|
647 case mxINT64_CLASS: |
|
|
648 OCTAVE_MAT5_INTEGER_READ (int64NDArray); |
|
|
649 break; |
|
|
650 |
|
|
651 case mxUINT64_CLASS: |
|
|
652 OCTAVE_MAT5_INTEGER_READ (uint64NDArray); |
|
|
653 break; |
|
|
654 |
|
4634
|
655 case mxCHAR_CLASS: |
|
|
656 // handle as a numerical array to start with |
|
|
657 |
|
|
658 case mxDOUBLE_CLASS: |
|
|
659 case mxSINGLE_CLASS: |
|
|
660 default: |
|
5089
|
661 { |
|
|
662 NDArray re (dims); |
|
4634
|
663 |
|
5089
|
664 // real data subelement |
|
|
665 |
|
4634
|
666 std::streampos tmp_pos; |
|
5089
|
667 |
|
4634
|
668 if (read_mat5_tag (is, swap, type, len)) |
|
|
669 { |
|
|
670 error ("load: reading matrix data for `%s'", retval.c_str ()); |
|
|
671 goto data_read_error; |
|
|
672 } |
|
|
673 |
|
|
674 int n = re.length (); |
|
|
675 tmp_pos = is.tellg (); |
|
|
676 read_mat5_binary_data (is, re.fortran_vec (), n, swap, |
|
|
677 (enum mat5_data_type) type, flt_fmt); |
|
|
678 |
|
|
679 if (! is || error_state) |
|
|
680 { |
|
|
681 error ("load: reading matrix data for `%s'", retval.c_str ()); |
|
|
682 goto data_read_error; |
|
|
683 } |
|
|
684 |
|
|
685 is.seekg (tmp_pos + static_cast<std::streamoff> (PAD (len))); |
|
5089
|
686 |
|
|
687 // imaginary data subelement |
|
|
688 if (imag) |
|
|
689 { |
|
|
690 NDArray im (dims); |
|
4634
|
691 |
|
5089
|
692 if (read_mat5_tag (is, swap, type, len)) |
|
|
693 { |
|
|
694 error ("load: reading matrix data for `%s'", retval.c_str ()); |
|
|
695 goto data_read_error; |
|
|
696 } |
|
4634
|
697 |
|
5089
|
698 n = im.length (); |
|
|
699 read_mat5_binary_data (is, im.fortran_vec (), n, swap, |
|
|
700 (enum mat5_data_type) type, flt_fmt); |
|
4634
|
701 |
|
5089
|
702 if (! is || error_state) |
|
|
703 { |
|
|
704 error ("load: reading imaginary matrix data for `%s'", |
|
|
705 retval.c_str ()); |
|
|
706 goto data_read_error; |
|
|
707 } |
|
4634
|
708 |
|
5089
|
709 ComplexNDArray ctmp (dims); |
|
4634
|
710 |
|
5089
|
711 for (int i = 0; i < n; i++) |
|
|
712 ctmp(i) = Complex (re(i), im(i)); |
|
4634
|
713 |
|
5089
|
714 tc = ctmp; |
|
|
715 } |
|
|
716 else |
|
|
717 tc = re; |
|
4634
|
718 |
|
5089
|
719 if (arrayclass == mxCHAR_CLASS) |
|
|
720 tc = tc.convert_to_str (false, true); |
|
|
721 } |
|
4634
|
722 } |
|
|
723 |
|
|
724 is.seekg (pos + static_cast<std::streamoff> (element_length)); |
|
|
725 |
|
|
726 if (is.eof ()) |
|
|
727 is.clear (); |
|
|
728 |
|
|
729 return retval; |
|
|
730 |
|
|
731 data_read_error: |
|
|
732 early_read_error: |
|
|
733 error ("load: trouble reading binary file `%s'", filename.c_str ()); |
|
|
734 return std::string (); |
|
|
735 |
|
|
736 skip_ahead: |
|
|
737 warning ("skipping over `%s'", retval.c_str ()); |
|
|
738 is.seekg (pos + static_cast<std::streamoff> (element_length)); |
|
|
739 return read_mat5_binary_element (is, filename, swap, global, tc); |
|
|
740 } |
|
|
741 |
|
|
742 int |
|
|
743 read_mat5_binary_file_header (std::istream& is, bool& swap, bool quiet) |
|
|
744 { |
|
|
745 TWO_BYTE_INT version=0, magic=0; |
|
|
746 |
|
|
747 is.seekg (124, std::ios::beg); |
|
|
748 is.read (X_CAST (char *, &version), 2); |
|
|
749 is.read (X_CAST (char *, &magic), 2); |
|
|
750 |
|
|
751 if (magic == 0x4d49) |
|
|
752 swap = 0; |
|
|
753 else if (magic == 0x494d) |
|
|
754 swap = 1; |
|
|
755 else |
|
|
756 { |
|
|
757 if (! quiet) |
|
|
758 error ("load: can't read binary file"); |
|
|
759 return -1; |
|
|
760 } |
|
|
761 |
|
|
762 if (! swap) // version number is inverse swapped! |
|
|
763 version = ((version >> 8) & 0xff) + ((version & 0xff) << 8); |
|
|
764 |
|
|
765 if (version != 1 && !quiet) |
|
|
766 warning ("load: found version %d binary MAT file, " |
|
|
767 "but only prepared for version 1", version); |
|
|
768 |
|
|
769 return 0; |
|
|
770 } |
|
|
771 |
|
|
772 static int |
|
|
773 write_mat5_tag (std::ostream& is, int type, int bytes) |
|
|
774 { |
|
|
775 FOUR_BYTE_INT temp; |
|
|
776 |
|
|
777 if (bytes <= 4) |
|
|
778 temp = (bytes << 16) + type; |
|
|
779 else |
|
|
780 { |
|
|
781 temp = type; |
|
|
782 if (! is.write ((char *)&temp, 4)) |
|
|
783 goto data_write_error; |
|
|
784 temp = bytes; |
|
|
785 } |
|
|
786 |
|
|
787 if (! is.write ((char *)&temp, 4)) |
|
|
788 goto data_write_error; |
|
|
789 |
|
|
790 return 0; |
|
|
791 |
|
|
792 data_write_error: |
|
|
793 return 1; |
|
|
794 } |
|
|
795 |
|
|
796 // write out the numeric values in M to OS, |
|
|
797 // preceded by the appropriate tag. |
|
|
798 static void |
|
|
799 write_mat5_array (std::ostream& os, const NDArray& m, bool save_as_floats) |
|
|
800 { |
|
|
801 int nel = m.nelem (); |
|
|
802 double max_val, min_val; |
|
|
803 save_type st = LS_DOUBLE; |
|
|
804 mat5_data_type mst; |
|
|
805 int size; |
|
|
806 unsigned len; |
|
|
807 const double *data = m.data (); |
|
|
808 |
|
|
809 // Have to use copy here to avoid writing over data accessed via |
|
|
810 // Matrix::data(). |
|
|
811 |
|
|
812 #define MAT5_DO_WRITE(TYPE, data, count, stream) \ |
|
|
813 do \ |
|
|
814 { \ |
|
|
815 OCTAVE_LOCAL_BUFFER (TYPE, ptr, count); \ |
|
|
816 for (int i = 0; i < count; i++) \ |
|
|
817 ptr[i] = X_CAST (TYPE, data[i]); \ |
|
|
818 stream.write (X_CAST (char *, ptr), count * sizeof (TYPE)); \ |
|
|
819 } \ |
|
|
820 while (0) |
|
|
821 |
|
|
822 if (save_as_floats) |
|
|
823 { |
|
|
824 if (m.too_large_for_float ()) |
|
|
825 { |
|
|
826 warning ("save: some values too large to save as floats --"); |
|
|
827 warning ("save: saving as doubles instead"); |
|
|
828 } |
|
|
829 else |
|
|
830 st = LS_FLOAT; |
|
|
831 } |
|
|
832 |
|
|
833 if (m.all_integers (max_val, min_val)) |
|
|
834 st = get_save_type (max_val, min_val); |
|
|
835 |
|
|
836 switch (st) |
|
|
837 { |
|
|
838 default: |
|
|
839 case LS_DOUBLE: mst = miDOUBLE; size = 8; break; |
|
|
840 case LS_FLOAT: mst = miSINGLE; size = 4; break; |
|
|
841 case LS_U_CHAR: mst = miUINT8; size = 1; break; |
|
|
842 case LS_U_SHORT: mst = miUINT16; size = 2; break; |
|
|
843 case LS_U_INT: mst = miUINT32; size = 4; break; |
|
|
844 case LS_CHAR: mst = miINT8; size = 1; break; |
|
|
845 case LS_SHORT: mst = miINT16; size = 2; break; |
|
|
846 case LS_INT: mst = miINT32; size = 4; break; |
|
|
847 } |
|
|
848 |
|
|
849 len = nel*size; |
|
|
850 write_mat5_tag (os, mst, len); |
|
|
851 |
|
|
852 { |
|
|
853 switch (st) |
|
|
854 { |
|
|
855 case LS_U_CHAR: |
|
|
856 MAT5_DO_WRITE (unsigned char, data, nel, os); |
|
|
857 break; |
|
|
858 |
|
|
859 case LS_U_SHORT: |
|
|
860 MAT5_DO_WRITE (unsigned TWO_BYTE_INT, data, nel, os); |
|
|
861 break; |
|
|
862 |
|
|
863 case LS_U_INT: |
|
|
864 MAT5_DO_WRITE (unsigned FOUR_BYTE_INT, data, nel, os); |
|
|
865 break; |
|
|
866 |
|
|
867 // provide for 64 bit ints, even though get_save_type does |
|
|
868 // not yet implement them |
|
|
869 #ifdef EIGHT_BYTE_INT |
|
|
870 case LS_U_LONG: |
|
|
871 MAT5_DO_WRITE (unsigned EIGHT_BYTE_INT, data, nel, os); |
|
|
872 break; |
|
|
873 #endif |
|
|
874 |
|
|
875 case LS_CHAR: |
|
|
876 MAT5_DO_WRITE (signed char, data, nel, os); |
|
|
877 break; |
|
|
878 |
|
|
879 case LS_SHORT: |
|
|
880 MAT5_DO_WRITE (TWO_BYTE_INT, data, nel, os); |
|
|
881 break; |
|
|
882 |
|
|
883 case LS_INT: |
|
|
884 MAT5_DO_WRITE (FOUR_BYTE_INT, data, nel, os); |
|
|
885 break; |
|
|
886 |
|
|
887 #ifdef EIGHT_BYTE_INT |
|
|
888 case LS_LONG: |
|
|
889 MAT5_DO_WRITE (EIGHT_BYTE_INT, data, nel, os); |
|
|
890 break; |
|
|
891 #endif |
|
|
892 |
|
|
893 case LS_FLOAT: |
|
|
894 MAT5_DO_WRITE (float, data, nel, os); |
|
|
895 break; |
|
|
896 |
|
|
897 case LS_DOUBLE: // No conversion necessary. |
|
|
898 os.write (X_CAST (char *, data), len); |
|
|
899 break; |
|
|
900 |
|
|
901 default: |
|
|
902 (*current_liboctave_error_handler) |
|
|
903 ("unrecognized data format requested"); |
|
|
904 break; |
|
|
905 } |
|
|
906 } |
|
|
907 if (PAD (len) > len) |
|
|
908 { |
|
|
909 static char buf[9]="\x00\x00\x00\x00\x00\x00\x00\x00"; |
|
|
910 os.write (buf, PAD (len) - len); |
|
|
911 } |
|
|
912 } |
|
|
913 |
|
5089
|
914 template <class T> |
|
|
915 void |
|
|
916 write_mat5_integer_data (std::ostream& os, const T& m, int size) |
|
|
917 { |
|
|
918 int nel = m.nelem (); |
|
|
919 mat5_data_type mst; |
|
|
920 unsigned len; |
|
|
921 |
|
|
922 switch (size) |
|
|
923 { |
|
|
924 case 1: |
|
|
925 mst = miUINT8; |
|
|
926 break; |
|
|
927 case 2: |
|
|
928 mst = miUINT16; |
|
|
929 break; |
|
|
930 case 3: |
|
|
931 mst = miUINT32; |
|
|
932 break; |
|
|
933 case 4: |
|
|
934 mst = miUINT64; |
|
|
935 break; |
|
|
936 case -1: |
|
|
937 mst = miINT8; |
|
|
938 size = - size; |
|
|
939 break; |
|
|
940 case -2: |
|
|
941 mst = miINT16; |
|
|
942 size = - size; |
|
|
943 break; |
|
|
944 case -3: |
|
|
945 mst = miINT32; |
|
|
946 size = - size; |
|
|
947 break; |
|
|
948 case -4: |
|
|
949 default: |
|
|
950 mst = miINT64; |
|
|
951 size = - size; |
|
|
952 break; |
|
|
953 } |
|
|
954 |
|
|
955 len = nel*size; |
|
|
956 write_mat5_tag (os, mst, len); |
|
|
957 |
|
|
958 os.write (X_CAST(char *, m.data ()), len); |
|
|
959 |
|
|
960 if (PAD (len) > len) |
|
|
961 { |
|
|
962 static char buf[9]="\x00\x00\x00\x00\x00\x00\x00\x00"; |
|
|
963 os.write (buf, PAD (len) - len); |
|
|
964 } |
|
|
965 } |
|
|
966 |
|
|
967 template void write_mat5_integer_data (std::ostream& os, |
|
|
968 const int8NDArray &m, int size); |
|
|
969 template void write_mat5_integer_data (std::ostream& os, |
|
|
970 const int16NDArray &m, int size); |
|
|
971 template void write_mat5_integer_data (std::ostream& os, |
|
|
972 const int32NDArray &m, int size); |
|
|
973 template void write_mat5_integer_data (std::ostream& os, |
|
|
974 const int64NDArray &m, int size); |
|
|
975 template void write_mat5_integer_data (std::ostream& os, |
|
|
976 const uint8NDArray &m, int size); |
|
|
977 template void write_mat5_integer_data (std::ostream& os, |
|
|
978 const uint16NDArray &m, int size); |
|
|
979 template void write_mat5_integer_data (std::ostream& os, |
|
|
980 const uint32NDArray &m, int size); |
|
|
981 template void write_mat5_integer_data (std::ostream& os, |
|
|
982 const uint64NDArray &m, int size); |
|
|
983 |
|
4634
|
984 // Write out cell element values in the cell array to OS, preceded by |
|
|
985 // the appropriate tag. |
|
|
986 |
|
|
987 static bool |
|
4701
|
988 write_mat5_cell_array (std::ostream& os, const Cell& cell, |
|
|
989 bool mark_as_global, bool save_as_floats) |
|
4634
|
990 { |
|
|
991 int nel = cell.nelem (); |
|
|
992 |
|
|
993 for (int i = 0; i < nel; i++) |
|
|
994 { |
|
|
995 octave_value ov = cell(i); |
|
|
996 |
|
|
997 if (! save_mat5_binary_element (os, ov, "", mark_as_global, |
|
|
998 save_as_floats)) |
|
|
999 return false; |
|
|
1000 } |
|
|
1001 |
|
|
1002 return true; |
|
|
1003 } |
|
|
1004 |
|
|
1005 // save the data from TC along with the corresponding NAME on stream |
|
|
1006 // OS in the MatLab version 5 binary format. Return true on success. |
|
|
1007 |
|
|
1008 bool |
|
|
1009 save_mat5_binary_element (std::ostream& os, |
|
|
1010 const octave_value& tc, const std::string& name, |
|
|
1011 bool mark_as_global, bool save_as_floats) |
|
|
1012 { |
|
|
1013 FOUR_BYTE_INT flags=0; |
|
|
1014 FOUR_BYTE_INT junk=0; |
|
|
1015 std::streampos fixup, contin; |
|
5089
|
1016 std::string cname = tc.class_name (); |
|
4634
|
1017 |
|
|
1018 // element type and length |
|
|
1019 fixup = os.tellp (); |
|
|
1020 write_mat5_tag (os, miMATRIX, 99); // we don't know the real length yet |
|
|
1021 |
|
|
1022 // array flags subelement |
|
|
1023 write_mat5_tag (os, miUINT32, 8); |
|
|
1024 |
|
|
1025 if (mark_as_global) |
|
|
1026 flags |= 0x0400; |
|
|
1027 |
|
|
1028 if (tc.is_complex_scalar () || tc.is_complex_matrix ()) |
|
|
1029 flags |= 0x0800; |
|
|
1030 |
|
|
1031 if (tc.is_string ()) |
|
|
1032 flags |= mxCHAR_CLASS; |
|
5089
|
1033 else if (cname == "int8") |
|
|
1034 flags |= mxINT8_CLASS; |
|
|
1035 else if (cname == "int16") |
|
|
1036 flags |= mxINT16_CLASS; |
|
|
1037 else if (cname == "int32") |
|
|
1038 flags |= mxINT32_CLASS; |
|
|
1039 else if (cname == "int64") |
|
|
1040 flags |= mxINT64_CLASS; |
|
|
1041 else if (cname == "uint8") |
|
|
1042 flags |= mxUINT8_CLASS; |
|
|
1043 else if (cname == "uint16") |
|
|
1044 flags |= mxUINT16_CLASS; |
|
|
1045 else if (cname == "uint32") |
|
|
1046 flags |= mxUINT32_CLASS; |
|
|
1047 else if (cname == "uint64") |
|
|
1048 flags |= mxUINT64_CLASS; |
|
4634
|
1049 else if (tc.is_real_scalar ()) |
|
|
1050 flags |= mxDOUBLE_CLASS; |
|
|
1051 else if (tc.is_real_matrix () || tc.is_range ()) |
|
|
1052 flags |= mxDOUBLE_CLASS; |
|
|
1053 else if (tc.is_complex_scalar ()) |
|
|
1054 flags |= mxDOUBLE_CLASS; |
|
|
1055 else if (tc.is_complex_matrix ()) |
|
|
1056 flags |= mxDOUBLE_CLASS; |
|
|
1057 else if (tc.is_map ()) |
|
|
1058 flags |= mxSTRUCT_CLASS; |
|
|
1059 else if (tc.is_cell ()) |
|
|
1060 flags |= mxCELL_CLASS; |
|
|
1061 else |
|
|
1062 { |
|
|
1063 gripe_wrong_type_arg ("save", tc, false); |
|
|
1064 goto error_cleanup; |
|
|
1065 } |
|
|
1066 |
|
|
1067 os.write ((char *)&flags, 4); |
|
|
1068 os.write ((char *)&junk, 4); |
|
|
1069 |
|
|
1070 { |
|
|
1071 dim_vector dv = tc.dims (); |
|
|
1072 int nd = tc.ndims (); |
|
4638
|
1073 int dim_len = 4*nd; |
|
4634
|
1074 |
|
4638
|
1075 write_mat5_tag (os, miINT32, dim_len); |
|
4634
|
1076 |
|
|
1077 for (int i = 0; i < nd; i++) |
|
|
1078 { |
|
4638
|
1079 FOUR_BYTE_INT n = dv(i); |
|
4634
|
1080 os.write ((char *)&n, 4); |
|
|
1081 } |
|
4638
|
1082 |
|
|
1083 if (PAD (dim_len) > dim_len) |
|
|
1084 { |
|
|
1085 static char buf[9]="\x00\x00\x00\x00\x00\x00\x00\x00"; |
|
|
1086 os.write (buf, PAD (dim_len) - dim_len); |
|
|
1087 } |
|
4634
|
1088 } |
|
|
1089 |
|
|
1090 // array name subelement |
|
|
1091 { |
|
|
1092 int namelen = name.length (); |
|
|
1093 |
|
|
1094 if (namelen > 31) |
|
|
1095 namelen = 31; // only 31 char names permitted in mat file |
|
|
1096 |
|
|
1097 int paddedlength = PAD (namelen); |
|
|
1098 |
|
|
1099 write_mat5_tag (os, miINT8, namelen); |
|
|
1100 OCTAVE_LOCAL_BUFFER (char, paddedname, paddedlength); |
|
|
1101 memset (paddedname, 0, paddedlength); |
|
|
1102 strncpy (paddedname, name.c_str (), namelen); |
|
|
1103 os.write (paddedname, paddedlength); |
|
|
1104 } |
|
|
1105 |
|
|
1106 // data element |
|
|
1107 if (tc.is_string ()) |
|
|
1108 { |
|
|
1109 charMatrix chm = tc.char_matrix_value (); |
|
|
1110 int nr = chm.rows (); |
|
|
1111 int nc = chm.cols (); |
|
|
1112 int len = nr*nc*2; |
|
|
1113 int paddedlength = PAD (nr*nc*2); |
|
|
1114 |
|
|
1115 OCTAVE_LOCAL_BUFFER (TWO_BYTE_INT, buf, nc*nr+3); |
|
|
1116 write_mat5_tag (os, miUINT16, len); |
|
|
1117 |
|
|
1118 for (int i = 0; i < nr; i++) |
|
|
1119 { |
|
|
1120 std::string tstr = chm.row_as_string (i); |
|
|
1121 const char *s = tstr.data (); |
|
|
1122 |
|
|
1123 for (int j = 0; j < nc; j++) |
|
|
1124 buf[j*nr+i] = *s++ & 0x00FF; |
|
|
1125 } |
|
|
1126 os.write ((char *)buf, nr*nc*2); |
|
|
1127 |
|
|
1128 if (paddedlength > len) |
|
|
1129 os.write ((char *)buf, paddedlength - len); |
|
|
1130 } |
|
5089
|
1131 else if (cname == "int8") |
|
|
1132 { |
|
|
1133 int8NDArray m = tc.int8_array_value (); |
|
|
1134 |
|
|
1135 write_mat5_integer_data (os, m, -1); |
|
|
1136 } |
|
|
1137 else if (cname == "int16") |
|
|
1138 { |
|
|
1139 int16NDArray m = tc.int16_array_value (); |
|
|
1140 |
|
|
1141 write_mat5_integer_data (os, m, -2); |
|
|
1142 } |
|
|
1143 else if (cname == "int32") |
|
|
1144 { |
|
|
1145 int32NDArray m = tc.int32_array_value (); |
|
|
1146 |
|
|
1147 write_mat5_integer_data (os, m, -4); |
|
|
1148 } |
|
|
1149 else if (cname == "int64") |
|
|
1150 { |
|
|
1151 int64NDArray m = tc.int64_array_value (); |
|
|
1152 |
|
|
1153 write_mat5_integer_data (os, m, -8); |
|
|
1154 } |
|
|
1155 else if (cname == "uint8") |
|
|
1156 { |
|
|
1157 uint8NDArray m = tc.uint8_array_value (); |
|
|
1158 |
|
|
1159 write_mat5_integer_data (os, m, 1); |
|
|
1160 } |
|
|
1161 else if (cname == "uint16") |
|
|
1162 { |
|
|
1163 uint16NDArray m = tc.uint16_array_value (); |
|
|
1164 |
|
|
1165 write_mat5_integer_data (os, m, 2); |
|
|
1166 } |
|
|
1167 else if (cname == "uint32") |
|
|
1168 { |
|
|
1169 uint32NDArray m = tc.uint32_array_value (); |
|
|
1170 |
|
|
1171 write_mat5_integer_data (os, m, 4); |
|
|
1172 } |
|
|
1173 else if (cname == "uint64") |
|
|
1174 { |
|
|
1175 uint64NDArray m = tc.uint64_array_value (); |
|
|
1176 |
|
|
1177 write_mat5_integer_data (os, m, 8); |
|
|
1178 } |
|
4634
|
1179 else if (tc.is_real_scalar () || tc.is_real_matrix () || tc.is_range ()) |
|
|
1180 { |
|
|
1181 NDArray m = tc.array_value (); |
|
|
1182 |
|
|
1183 write_mat5_array (os, m, save_as_floats); |
|
|
1184 } |
|
|
1185 else if (tc.is_cell ()) |
|
|
1186 { |
|
|
1187 Cell cell = tc.cell_value (); |
|
|
1188 |
|
|
1189 if (! write_mat5_cell_array (os, cell, mark_as_global, save_as_floats)) |
|
|
1190 goto error_cleanup; |
|
|
1191 } |
|
|
1192 else if (tc.is_complex_scalar () || tc.is_complex_matrix ()) |
|
|
1193 { |
|
|
1194 ComplexNDArray m_cmplx = tc.complex_matrix_value (); |
|
|
1195 |
|
|
1196 write_mat5_array (os, ::real (m_cmplx), save_as_floats); |
|
|
1197 write_mat5_array (os, ::imag (m_cmplx), save_as_floats); |
|
|
1198 } |
|
|
1199 else if (tc.is_map ()) |
|
|
1200 { |
|
|
1201 // an Octave structure */ |
|
|
1202 // recursively write each element of the structure |
|
4675
|
1203 const Octave_map m = tc.map_value (); |
|
4634
|
1204 |
|
|
1205 { |
|
|
1206 char buf[32]; |
|
|
1207 FOUR_BYTE_INT maxfieldnamelength = 32; |
|
|
1208 int fieldcnt = 0; |
|
|
1209 |
|
4675
|
1210 for (Octave_map::const_iterator i = m.begin (); i != m.end (); i++) |
|
4634
|
1211 fieldcnt++; |
|
|
1212 |
|
|
1213 write_mat5_tag (os, miINT32, 4); |
|
|
1214 os.write ((char *)&maxfieldnamelength, 4); |
|
|
1215 write_mat5_tag (os, miINT8, fieldcnt*32); |
|
|
1216 |
|
4675
|
1217 for (Octave_map::const_iterator i = m.begin (); i != m.end (); i++) |
|
4634
|
1218 { |
|
|
1219 // write the name of each element |
|
|
1220 std::string tstr = m.key (i); |
|
|
1221 memset (buf, 0, 32); |
|
|
1222 strncpy (buf, tstr.c_str (), 31); // only 31 char names permitted |
|
|
1223 os.write (buf, 32); |
|
|
1224 } |
|
|
1225 |
|
|
1226 int len = m.numel (); |
|
|
1227 |
|
5058
|
1228 for (int j = 0; j < len; j++) |
|
4634
|
1229 { |
|
|
1230 // write the data of each element |
|
|
1231 |
|
5058
|
1232 for (Octave_map::const_iterator i = m.begin (); i != m.end (); i++) |
|
4634
|
1233 { |
|
5058
|
1234 Cell elts = m.contents (i); |
|
|
1235 |
|
4634
|
1236 bool retval2 = save_mat5_binary_element (os, elts(j), "", |
|
|
1237 mark_as_global, |
|
|
1238 save_as_floats); |
|
|
1239 if (! retval2) |
|
|
1240 goto error_cleanup; |
|
|
1241 } |
|
|
1242 } |
|
|
1243 } |
|
|
1244 } |
|
|
1245 else |
|
|
1246 gripe_wrong_type_arg ("save", tc, false); |
|
|
1247 |
|
|
1248 contin = os.tellp (); |
|
|
1249 os.seekp (fixup); |
|
|
1250 write_mat5_tag (os, miMATRIX, |
|
|
1251 static_cast<int>(contin - fixup) - 8); // the actual length |
|
|
1252 os.seekp (contin); |
|
|
1253 |
|
|
1254 return true; |
|
|
1255 |
|
|
1256 error_cleanup: |
|
|
1257 error ("save: error while writing `%s' to MAT file", name.c_str ()); |
|
|
1258 |
|
|
1259 return false; |
|
|
1260 } |
|
|
1261 |
|
|
1262 /* |
|
|
1263 ;;; Local Variables: *** |
|
|
1264 ;;; mode: C++ *** |
|
|
1265 ;;; End: *** |
|
|
1266 */ |
|
|
1267 |
