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1 // Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
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2 // Copyright (C) 2008-2011 Conrad Sanderson
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3 // Copyright (C) 2009-2010 Ian Cullinan
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4 //
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5 // This file is part of the Armadillo C++ library.
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6 // It is provided without any warranty of fitness
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7 // for any purpose. You can redistribute this file
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8 // and/or modify it under the terms of the GNU
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9 // Lesser General Public License (LGPL) as published
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10 // by the Free Software Foundation, either version 3
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11 // of the License or (at your option) any later version.
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12 // (see http://www.opensource.org/licenses for more info)
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13
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14
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15 //! \addtogroup diskio
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16 //! @{
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17
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18
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19 //! class for saving and loading matrices and fields
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20 class diskio
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21 {
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22 public:
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23
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24 template<typename eT> inline static std::string gen_txt_header(const Mat<eT>& x);
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25 template<typename eT> inline static std::string gen_bin_header(const Mat<eT>& x);
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26
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27 template<typename eT> inline static std::string gen_txt_header(const Cube<eT>& x);
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28 template<typename eT> inline static std::string gen_bin_header(const Cube<eT>& x);
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29
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30 inline static file_type guess_file_type(std::istream& f);
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31
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32 inline static char conv_to_hex_char(const u8 x);
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33 inline static void conv_to_hex(char* out, const u8 x);
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34
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35 inline static std::string gen_tmp_name(const std::string& x);
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36
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37 inline static bool safe_rename(const std::string& old_name, const std::string& new_name);
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38
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39
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40 //
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41 // matrix saving
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42
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43 template<typename eT> inline static bool save_raw_ascii (const Mat<eT>& x, const std::string& final_name);
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44 template<typename eT> inline static bool save_raw_binary (const Mat<eT>& x, const std::string& final_name);
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45 template<typename eT> inline static bool save_arma_ascii (const Mat<eT>& x, const std::string& final_name);
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46 template<typename eT> inline static bool save_csv_ascii (const Mat<eT>& x, const std::string& final_name);
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47 template<typename eT> inline static bool save_arma_binary(const Mat<eT>& x, const std::string& final_name);
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48 template<typename eT> inline static bool save_pgm_binary (const Mat<eT>& x, const std::string& final_name);
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49 template<typename T> inline static bool save_pgm_binary (const Mat< std::complex<T> >& x, const std::string& final_name);
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50
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51 template<typename eT> inline static bool save_raw_ascii (const Mat<eT>& x, std::ostream& f);
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52 template<typename eT> inline static bool save_raw_binary (const Mat<eT>& x, std::ostream& f);
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53 template<typename eT> inline static bool save_arma_ascii (const Mat<eT>& x, std::ostream& f);
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54 template<typename eT> inline static bool save_csv_ascii (const Mat<eT>& x, std::ostream& f);
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55 template<typename eT> inline static bool save_arma_binary(const Mat<eT>& x, std::ostream& f);
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56 template<typename eT> inline static bool save_pgm_binary (const Mat<eT>& x, std::ostream& f);
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57 template<typename T> inline static bool save_pgm_binary (const Mat< std::complex<T> >& x, std::ostream& f);
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58
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59
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60 //
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61 // matrix loading
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62
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63 template<typename eT> inline static bool load_raw_ascii (Mat<eT>& x, const std::string& name, std::string& err_msg);
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64 template<typename eT> inline static bool load_raw_binary (Mat<eT>& x, const std::string& name, std::string& err_msg);
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65 template<typename eT> inline static bool load_arma_ascii (Mat<eT>& x, const std::string& name, std::string& err_msg);
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66 template<typename eT> inline static bool load_csv_ascii (Mat<eT>& x, const std::string& name, std::string& err_msg);
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67 template<typename eT> inline static bool load_arma_binary(Mat<eT>& x, const std::string& name, std::string& err_msg);
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68 template<typename eT> inline static bool load_pgm_binary (Mat<eT>& x, const std::string& name, std::string& err_msg);
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69 template<typename T> inline static bool load_pgm_binary (Mat< std::complex<T> >& x, const std::string& name, std::string& err_msg);
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70 template<typename eT> inline static bool load_auto_detect(Mat<eT>& x, const std::string& name, std::string& err_msg);
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71
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72 template<typename eT> inline static bool load_raw_ascii (Mat<eT>& x, std::istream& f, std::string& err_msg);
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73 template<typename eT> inline static bool load_raw_binary (Mat<eT>& x, std::istream& f, std::string& err_msg);
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74 template<typename eT> inline static bool load_arma_ascii (Mat<eT>& x, std::istream& f, std::string& err_msg);
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75 template<typename eT> inline static bool load_csv_ascii (Mat<eT>& x, std::istream& f, std::string& err_msg);
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76 template<typename eT> inline static bool load_arma_binary(Mat<eT>& x, std::istream& f, std::string& err_msg);
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77 template<typename eT> inline static bool load_pgm_binary (Mat<eT>& x, std::istream& is, std::string& err_msg);
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78 template<typename T> inline static bool load_pgm_binary (Mat< std::complex<T> >& x, std::istream& is, std::string& err_msg);
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79 template<typename eT> inline static bool load_auto_detect(Mat<eT>& x, std::istream& f, std::string& err_msg);
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80
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81 inline static void pnm_skip_comments(std::istream& f);
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82
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83
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84 //
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85 // cube saving
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86
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87 template<typename eT> inline static bool save_raw_ascii (const Cube<eT>& x, const std::string& name);
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88 template<typename eT> inline static bool save_raw_binary (const Cube<eT>& x, const std::string& name);
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89 template<typename eT> inline static bool save_arma_ascii (const Cube<eT>& x, const std::string& name);
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90 template<typename eT> inline static bool save_arma_binary(const Cube<eT>& x, const std::string& name);
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91
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92 template<typename eT> inline static bool save_raw_ascii (const Cube<eT>& x, std::ostream& f);
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93 template<typename eT> inline static bool save_raw_binary (const Cube<eT>& x, std::ostream& f);
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94 template<typename eT> inline static bool save_arma_ascii (const Cube<eT>& x, std::ostream& f);
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95 template<typename eT> inline static bool save_arma_binary(const Cube<eT>& x, std::ostream& f);
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96
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97
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98 //
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99 // cube loading
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100
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101 template<typename eT> inline static bool load_raw_ascii (Cube<eT>& x, const std::string& name, std::string& err_msg);
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102 template<typename eT> inline static bool load_raw_binary (Cube<eT>& x, const std::string& name, std::string& err_msg);
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103 template<typename eT> inline static bool load_arma_ascii (Cube<eT>& x, const std::string& name, std::string& err_msg);
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104 template<typename eT> inline static bool load_arma_binary(Cube<eT>& x, const std::string& name, std::string& err_msg);
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105 template<typename eT> inline static bool load_auto_detect(Cube<eT>& x, const std::string& name, std::string& err_msg);
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106
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107 template<typename eT> inline static bool load_raw_ascii (Cube<eT>& x, std::istream& f, std::string& err_msg);
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108 template<typename eT> inline static bool load_raw_binary (Cube<eT>& x, std::istream& f, std::string& err_msg);
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109 template<typename eT> inline static bool load_arma_ascii (Cube<eT>& x, std::istream& f, std::string& err_msg);
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110 template<typename eT> inline static bool load_arma_binary(Cube<eT>& x, std::istream& f, std::string& err_msg);
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111 template<typename eT> inline static bool load_auto_detect(Cube<eT>& x, std::istream& f, std::string& err_msg);
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112
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113
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114 //
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115 // field saving and loading
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116
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117 template<typename T1> inline static bool save_arma_binary(const field<T1>& x, const std::string& name);
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118 template<typename T1> inline static bool save_arma_binary(const field<T1>& x, std::ostream& f);
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119
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120 template<typename T1> inline static bool load_arma_binary( field<T1>& x, const std::string& name, std::string& err_msg);
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121 template<typename T1> inline static bool load_arma_binary( field<T1>& x, std::istream& f, std::string& err_msg);
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122
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123 template<typename T1> inline static bool load_auto_detect( field<T1>& x, const std::string& name, std::string& err_msg);
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124 template<typename T1> inline static bool load_auto_detect( field<T1>& x, std::istream& f, std::string& err_msg);
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125
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126 inline static bool save_std_string(const field<std::string>& x, const std::string& name);
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127 inline static bool save_std_string(const field<std::string>& x, std::ostream& f);
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128
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129 inline static bool load_std_string( field<std::string>& x, const std::string& name, std::string& err_msg);
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130 inline static bool load_std_string( field<std::string>& x, std::istream& f, std::string& err_msg);
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131
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132
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133
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134 //
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135 // handling of PPM images by cubes
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136
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137 template<typename T1> inline static bool save_ppm_binary(const Cube<T1>& x, const std::string& final_name);
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138 template<typename T1> inline static bool save_ppm_binary(const Cube<T1>& x, std::ostream& f);
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139
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140 template<typename T1> inline static bool load_ppm_binary( Cube<T1>& x, const std::string& final_name, std::string& err_msg);
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141 template<typename T1> inline static bool load_ppm_binary( Cube<T1>& x, std::istream& f, std::string& err_msg);
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142
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143
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144 //
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145 // handling of PPM images by fields
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146
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147 template<typename T1> inline static bool save_ppm_binary(const field<T1>& x, const std::string& final_name);
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148 template<typename T1> inline static bool save_ppm_binary(const field<T1>& x, std::ostream& f);
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149
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150 template<typename T1> inline static bool load_ppm_binary( field<T1>& x, const std::string& final_name, std::string& err_msg);
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151 template<typename T1> inline static bool load_ppm_binary( field<T1>& x, std::istream& f, std::string& err_msg);
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152
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153
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154
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155 };
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156
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157
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158
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159 //! @}
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