Mercurial > octave
annotate libinterp/corefcn/dlmread.cc @ 19278:6ca096827123
Use tempname() rather than tmpnam() in core Octave.
* scripts/miscellaneous/tempname.m: Removed m-file as function is now C++.
* scripts/miscellaneous/tmpnam.m: New m-file is an alias that calls tempname.
* scripts/miscellaneous/module.mk: Add tmpnam.m to build system.
* io.txi: Place tempname, tempdir, P_tmpdir docstrings in section on temporary
files.
* system.txi: Remove tempname, tempdir, P_tmpdir docstrings from generic
system functions section of manual.
* dirfns.cc, dlmread.cc, md5sum.cc, ov-fcn-handle.cc: Replace instances
of tmpnam with tempname in BIST code.
* file-io.cc (Ftempname): Change DEFUNX for tmpnam to DEFUN for tempname.
Remove seealso links to tmpnam.
* ftp.m, playaudio.m, wavwrite.m, imformats.m, imread.m, imwrite.m, imageIO.m,
csvwrite.m, dlmwrite.m, fileread.m, importdata.m, textread.m, textscan.m,
genvarname.m, unpack.m, install.m, legend.m, __gnuplot_drawnow__.m,
copyobj.m, hgsave.m, print.m, __ghostscript__.m, __gnuplot_get_var__.m,
__gnuplot_ginput__.m, __gnuplot_print__.m: Replace tmpnam with tempname in
core code.
* build-sparse-tests.sh, io.tst, prefer.tst, system.tst: Replace tmpnam with
tempname in test code.
author | Rik <rik@octave.org> |
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date | Wed, 22 Oct 2014 10:41:15 -0700 |
parents | b560bac0fca2 |
children | 4197fc428c7d |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2008-2013 Jonathan Stickel |
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4 Copyright (C) 2010 Jaroslav Hajek |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
7581 | 24 // Adapted from previous version of dlmread.occ as authored by Kai |
25 // Habel, but core code has been completely re-written. | |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
7581 | 31 #include <cctype> |
32 #include <fstream> | |
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33 #include <limits> |
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35 #include "file-ops.h" |
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36 #include "lo-ieee.h" |
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37 |
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38 #include "defun.h" |
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39 #include "oct-stream.h" |
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40 #include "error.h" |
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41 #include "oct-obj.h" |
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42 #include "utils.h" |
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43 |
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44 static const octave_idx_type idx_max = |
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45 std::numeric_limits<octave_idx_type>::max (); |
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46 |
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47 static bool |
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48 read_cell_spec (std::istream& is, octave_idx_type& row, octave_idx_type& col) |
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49 { |
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50 bool stat = false; |
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51 |
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53 stat = true; |
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54 else |
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55 { |
7581 | 56 if (::isalpha (is.peek ())) |
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57 { |
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58 col = 0; |
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59 while (is && ::isalpha (is.peek ())) |
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60 { |
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61 char ch = is.get (); |
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62 col *= 26; |
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63 if (ch >= 'a') |
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64 col += ch - 'a' + 1; |
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65 else |
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66 col += ch - 'A' + 1; |
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67 } |
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68 col --; |
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69 |
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70 if (is) |
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71 { |
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72 is >> row; |
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73 row --; |
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74 if (is) |
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75 stat = true; |
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76 } |
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77 } |
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78 } |
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79 |
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80 return stat; |
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81 } |
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82 |
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83 static bool |
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85 octave_idx_type& rlo, octave_idx_type& clo, |
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86 octave_idx_type& rup, octave_idx_type& cup) |
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87 { |
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88 bool stat = true; |
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89 |
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90 if (range_spec.is_string ()) |
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91 { |
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92 std::istringstream is (range_spec.string_value ()); |
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93 char ch = is.peek (); |
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94 |
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95 if (ch == '.' || ch == ':') |
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96 { |
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97 rlo = 0; |
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98 clo = 0; |
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99 ch = is.get (); |
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100 if (ch == '.') |
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102 ch = is.get (); |
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103 if (ch != '.') |
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104 stat = false; |
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105 } |
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106 } |
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107 else |
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108 { |
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109 stat = read_cell_spec (is, rlo, clo); |
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111 if (stat) |
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112 { |
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113 ch = is.peek (); |
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115 if (ch == '.' || ch == ':') |
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116 { |
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117 ch = is.get (); |
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118 if (ch == '.') |
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119 { |
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120 ch = is.get (); |
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121 if (!is || ch != '.') |
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122 stat = false; |
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123 } |
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124 |
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125 rup = idx_max - 1; |
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126 cup = idx_max - 1; |
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127 } |
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128 else |
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129 { |
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130 rup = rlo; |
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131 cup = clo; |
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132 if (!is || !is.eof ()) |
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133 stat = false; |
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134 } |
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135 } |
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136 } |
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137 |
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138 if (stat && is && !is.eof ()) |
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139 stat = read_cell_spec (is, rup, cup); |
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140 |
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142 stat = false; |
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143 } |
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144 else if (range_spec.is_real_matrix () && range_spec.numel () == 4) |
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145 { |
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147 // double --> unsigned int |
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148 rlo = static_cast<octave_idx_type> (range(0)); |
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149 clo = static_cast<octave_idx_type> (range(1)); |
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150 rup = static_cast<octave_idx_type> (range(2)); |
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151 cup = static_cast<octave_idx_type> (range(3)); |
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152 } |
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153 else |
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154 stat = false; |
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155 |
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156 return stat; |
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157 } |
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158 |
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159 DEFUN (dlmread, args, , |
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160 "-*- texinfo -*-\n\ |
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161 @deftypefn {Built-in Function} {@var{data} =} dlmread (@var{file})\n\ |
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162 @deftypefnx {Built-in Function} {@var{data} =} dlmread (@var{file}, @var{sep})\n\ |
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163 @deftypefnx {Built-in Function} {@var{data} =} dlmread (@var{file}, @var{sep}, @var{r0}, @var{c0})\n\ |
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164 @deftypefnx {Built-in Function} {@var{data} =} dlmread (@var{file}, @var{sep}, @var{range})\n\ |
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165 @deftypefnx {Built-in Function} {@var{data} =} dlmread (@dots{}, \"emptyvalue\", @var{EMPTYVAL})\n\ |
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166 Read the matrix @var{data} from a text file. If not defined the separator\n\ |
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167 between fields is determined from the file itself. Otherwise the\n\ |
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168 separation character is defined by @var{sep}.\n\ |
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169 \n\ |
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170 Given two scalar arguments @var{r0} and @var{c0}, these define the starting\n\ |
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171 row and column of the data to be read. These values are indexed from zero,\n\ |
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172 such that the first row corresponds to an index of zero.\n\ |
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173 \n\ |
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174 The @var{range} parameter may be a 4-element vector containing the upper\n\ |
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175 left and lower right corner @code{[@var{R0},@var{C0},@var{R1},@var{C1}]}\n\ |
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176 where the lowest index value is zero. Alternatively, a spreadsheet style\n\ |
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177 range such as @qcode{\"A2..Q15\"} or @qcode{\"T1:AA5\"} can be used. The\n\ |
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178 lowest alphabetical index @qcode{'A'} refers to the first column. The\n\ |
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179 lowest row index is 1.\n\ |
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180 \n\ |
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181 @var{file} should be a file name or file id given by @code{fopen}. In the\n\ |
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182 latter case, the file is read until end of file is reached.\n\ |
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183 \n\ |
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184 The @qcode{\"emptyvalue\"} option may be used to specify the value used to\n\ |
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185 fill empty fields. The default is zero.\n\ |
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186 @seealso{csvread, textscan, textread, dlmwrite}\n\ |
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187 @end deftypefn") |
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188 { |
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189 octave_value_list retval; |
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191 int nargin = args.length (); | |
192 | |
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193 double empty_value = 0.0; |
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194 |
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195 if (nargin > 2 && args(nargin-2).is_string () |
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196 && args(nargin-2).string_value () == "emptyvalue") |
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197 { |
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198 empty_value = args(nargin-1).double_value (); |
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199 if (error_state) |
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200 return retval; |
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201 nargin -= 2; |
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202 } |
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203 |
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204 if (nargin < 1 || nargin > 4) |
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205 { |
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206 print_usage (); |
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207 return retval; |
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208 } |
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209 |
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210 std::istream *input = 0; |
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211 std::ifstream input_file; |
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212 |
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213 if (args(0).is_string ()) |
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214 { |
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215 // File name. |
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216 std::string fname (args(0).string_value ()); |
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217 if (error_state) |
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218 return retval; |
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219 |
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220 std::string tname = file_ops::tilde_expand (fname); |
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221 |
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222 input_file.open (tname.c_str (), std::ios::in); |
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223 |
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224 if (! input_file) |
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225 { |
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226 error ("dlmread: unable to open file '%s'", fname.c_str ()); |
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227 return retval; |
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228 } |
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229 else |
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230 input = &input_file; |
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231 } |
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232 else if (args(0).is_scalar_type ()) |
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233 { |
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234 octave_stream is = octave_stream_list::lookup (args(0), "dlmread"); |
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235 |
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236 if (error_state) |
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237 return retval; |
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238 |
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239 input = is.input_stream (); |
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240 |
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241 if (! input) |
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242 { |
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243 error ("dlmread: stream FILE not open for input"); |
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244 return retval; |
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245 } |
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246 } |
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247 else |
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248 { |
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249 error ("dlmread: FILE argument must be a string or file id"); |
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250 return retval; |
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251 } |
7581 | 252 |
253 // Set default separator. | |
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254 std::string sep; |
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255 if (nargin > 1) |
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256 { |
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257 if (args(1).is_sq_string ()) |
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258 sep = do_string_escapes (args(1).string_value ()); |
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259 else |
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260 sep = args(1).string_value (); |
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262 if (error_state) | |
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263 return retval; |
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264 } |
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265 |
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267 octave_idx_type r0 = 0; |
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268 octave_idx_type c0 = 0; |
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269 octave_idx_type r1 = idx_max-1; |
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270 octave_idx_type c1 = idx_max-1; |
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271 if (nargin > 2) |
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272 { |
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273 if (nargin == 3) |
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274 { |
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275 if (!parse_range_spec (args(2), r0, c0, r1, c1)) |
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276 error ("dlmread: error parsing RANGE"); |
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277 } |
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278 else if (nargin == 4) |
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279 { |
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280 r0 = args(2).idx_type_value (); |
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281 c0 = args(3).idx_type_value (); |
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283 if (error_state) |
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284 return retval; |
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285 } |
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286 |
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287 if (r0 < 0 || c0 < 0) |
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288 error ("dlmread: left & top must be positive"); |
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289 } |
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290 |
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291 if (!error_state) |
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292 { |
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293 octave_idx_type i = 0; |
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294 octave_idx_type j = 0; |
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295 octave_idx_type r = 1; |
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296 octave_idx_type c = 1; |
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297 octave_idx_type rmax = 0; |
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298 octave_idx_type cmax = 0; |
7581 | 299 |
300 Matrix rdata; | |
301 ComplexMatrix cdata; | |
302 | |
303 bool iscmplx = false; | |
304 bool sepflag = false; | |
305 | |
306 std::string line; | |
307 | |
308 // Skip the r0 leading lines as these might be a header. | |
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309 for (octave_idx_type m = 0; m < r0; m++) |
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310 getline (*input, line); |
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311 r1 -= r0; |
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312 |
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313 std::istringstream tmp_stream; |
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314 |
7581 | 315 // Read in the data one field at a time, growing the data matrix |
316 // as needed. | |
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317 while (getline (*input, line)) |
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318 { |
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319 // Skip blank lines for compatibility. |
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320 if (line.find_first_not_of (" \t") == std::string::npos) |
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321 continue; |
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322 |
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323 // To be compatible with matlab, blank separator should |
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324 // correspond to whitespace as delimter. |
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325 if (!sep.length ()) |
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326 { |
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327 size_t n = line.find_first_of (",:; \t", |
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328 line.find_first_of ("0123456789")); |
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329 if (n == std::string::npos) |
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330 { |
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331 sep = " \t"; |
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332 sepflag = true; |
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333 } |
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334 else |
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335 { |
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336 char ch = line.at (n); |
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337 |
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338 switch (line.at (n)) |
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339 { |
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340 case ' ': |
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341 case '\t': |
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342 sepflag = true; |
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343 sep = " \t"; |
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344 break; |
7581 | 345 |
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346 default: |
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347 sep = ch; |
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348 break; |
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349 } |
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350 } |
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351 } |
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352 |
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353 if (cmax == 0) |
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354 { |
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355 // Try to estimate the number of columns. Skip leading |
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356 // whitespace. |
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357 size_t pos1 = line.find_first_not_of (" \t"); |
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358 do |
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359 { |
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360 size_t pos2 = line.find_first_of (sep, pos1); |
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361 |
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362 if (sepflag && pos2 != std::string::npos) |
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363 // Treat consecutive separators as one. |
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364 { |
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365 pos2 = line.find_first_not_of (sep, pos2); |
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366 if (pos2 != std::string::npos) |
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367 pos2 -= 1; |
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|
368 else |
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369 pos2 = line.length () - 1; |
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|
370 } |
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|
371 |
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|
372 cmax++; |
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|
373 |
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|
374 if (pos2 != std::string::npos) |
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|
375 pos1 = pos2 + 1; |
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|
376 else |
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|
377 pos1 = std::string::npos; |
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|
378 |
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|
379 } |
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|
380 while (pos1 != std::string::npos); |
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|
381 |
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|
382 if (iscmplx) |
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|
383 cdata.resize (rmax, cmax); |
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|
384 else |
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|
385 rdata.resize (rmax, cmax); |
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|
386 } |
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|
387 |
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|
388 r = (r > i + 1 ? r : i + 1); |
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|
389 j = 0; |
12182
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dlmread: skip leading whitespace on each line
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diff
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|
390 // Skip leading whitespace. |
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dlmread: skip leading whitespace on each line
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|
391 size_t pos1 = line.find_first_not_of (" \t"); |
10154
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|
392 do |
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|
393 { |
10806
7c542263a92a
omissions from last two patches
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parents:
10804
diff
changeset
|
394 octave_quit (); |
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|
395 |
10154
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|
396 size_t pos2 = line.find_first_of (sep, pos1); |
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|
397 std::string str = line.substr (pos1, pos2 - pos1); |
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Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
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diff
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|
398 |
10154
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|
399 if (sepflag && pos2 != std::string::npos) |
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|
400 // Treat consecutive separators as one. |
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|
401 pos2 = line.find_first_not_of (sep, pos2) - 1; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
402 |
10154
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|
403 c = (c > j + 1 ? c : j + 1); |
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|
404 if (r > rmax || c > cmax) |
11586
12df7854fa7c
strip trailing whitespace from source files
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11572
diff
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|
405 { |
10154
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changeset
|
406 // Use resize_and_fill for the case of not-equal |
40dfc0c99116
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|
407 // length rows. |
10804
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speed-up fixes to dlmread
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diff
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|
408 rmax = 2*r; |
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|
409 cmax = c; |
10154
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John W. Eaton <jwe@octave.org>
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changeset
|
410 if (iscmplx) |
10804
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speed-up fixes to dlmread
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changeset
|
411 cdata.resize (rmax, cmax); |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
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diff
changeset
|
412 else |
10804
3d5c6b84ddaf
speed-up fixes to dlmread
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parents:
10718
diff
changeset
|
413 rdata.resize (rmax, cmax); |
10154
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|
414 } |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
415 |
10804
3d5c6b84ddaf
speed-up fixes to dlmread
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diff
changeset
|
416 tmp_stream.str (str); |
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speed-up fixes to dlmread
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diff
changeset
|
417 tmp_stream.clear (); |
3d5c6b84ddaf
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|
418 |
10154
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changeset
|
419 double x = octave_read_double (tmp_stream); |
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|
420 if (tmp_stream) |
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diff
changeset
|
421 { |
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9512
diff
changeset
|
422 if (tmp_stream.eof ()) |
10804
3d5c6b84ddaf
speed-up fixes to dlmread
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10718
diff
changeset
|
423 { |
3d5c6b84ddaf
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10718
diff
changeset
|
424 if (iscmplx) |
3d5c6b84ddaf
speed-up fixes to dlmread
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parents:
10718
diff
changeset
|
425 cdata(i,j++) = x; |
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10718
diff
changeset
|
426 else |
3d5c6b84ddaf
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parents:
10718
diff
changeset
|
427 rdata(i,j++) = x; |
3d5c6b84ddaf
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10718
diff
changeset
|
428 } |
3d5c6b84ddaf
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Jaroslav Hajek <highegg@gmail.com>
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10718
diff
changeset
|
429 else if (std::toupper (tmp_stream.peek ()) == 'I') |
3d5c6b84ddaf
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10718
diff
changeset
|
430 { |
3d5c6b84ddaf
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diff
changeset
|
431 // This is to allow pure imaginary numbers. |
3d5c6b84ddaf
speed-up fixes to dlmread
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10718
diff
changeset
|
432 if (iscmplx) |
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diff
changeset
|
433 cdata(i,j++) = x; |
3d5c6b84ddaf
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10718
diff
changeset
|
434 else |
3d5c6b84ddaf
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10718
diff
changeset
|
435 rdata(i,j++) = x; |
3d5c6b84ddaf
speed-up fixes to dlmread
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parents:
10718
diff
changeset
|
436 } |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
437 else |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
438 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
439 double y = octave_read_double (tmp_stream); |
7581 | 440 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
441 if (!iscmplx && y != 0.) |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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9512
diff
changeset
|
442 { |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff
changeset
|
443 iscmplx = true; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
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diff
changeset
|
444 cdata = ComplexMatrix (rdata); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
445 } |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
446 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
447 if (iscmplx) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
448 cdata(i,j++) = Complex (x, y); |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
449 else |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
450 rdata(i,j++) = x; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
451 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
452 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
453 else if (iscmplx) |
10935
3cb4889dd6f7
support specific empty value in dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10927
diff
changeset
|
454 cdata(i,j++) = empty_value; |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
455 else |
10935
3cb4889dd6f7
support specific empty value in dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10927
diff
changeset
|
456 rdata(i,j++) = empty_value; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
457 |
10154
40dfc0c99116
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John W. Eaton <jwe@octave.org>
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9512
diff
changeset
|
458 if (pos2 != std::string::npos) |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
459 pos1 = pos2 + 1; |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
460 else |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
461 pos1 = std::string::npos; |
7581 | 462 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
463 } |
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
464 while (pos1 != std::string::npos); |
7581 | 465 |
10935
3cb4889dd6f7
support specific empty value in dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10927
diff
changeset
|
466 if (i == r1) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
467 break; |
7581 | 468 |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
469 i++; |
40dfc0c99116
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John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
470 } |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
471 |
10804
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
472 if (r1 >= r) |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
473 r1 = r - 1; |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
474 if (c1 >= c) |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
475 c1 = c - 1; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
476 |
10804
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
477 // Now take the subset of the matrix. |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
478 if (iscmplx) |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
479 cdata = cdata.extract (0, c0, r1, c1); |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
480 else |
3d5c6b84ddaf
speed-up fixes to dlmread
Jaroslav Hajek <highegg@gmail.com>
parents:
10718
diff
changeset
|
481 rdata = rdata.extract (0, c0, r1, c1); |
11586
12df7854fa7c
strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents:
11572
diff
changeset
|
482 |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
483 if (iscmplx) |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
484 retval(0) = cdata; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
485 else |
10154
40dfc0c99116
DLD-FUNCTIONS/*.cc: untabify
John W. Eaton <jwe@octave.org>
parents:
9512
diff
changeset
|
486 retval(0) = rdata; |
7580
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
487 } |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
488 |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
parents:
diff
changeset
|
489 return retval; |
b4aa9ef3d3ef
Port dlmread, dlmwrite, csvread and csvwrite from octave-forge
David Bateman <dbateman@free.fr>
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490 } |
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491 |
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492 /* |
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493 %!shared file |
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494 %! file = tempname (); |
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495 %! fid = fopen (file, "wt"); |
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496 %! fwrite (fid, "1, 2, 3\n4, 5, 6\n7, 8, 9\n10, 11, 12"); |
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497 %! fclose (fid); |
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498 |
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499 %!assert (dlmread (file), [1, 2, 3; 4, 5, 6; 7, 8, 9;10, 11, 12]) |
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500 %!assert (dlmread (file, ","), [1, 2, 3; 4, 5, 6; 7, 8, 9; 10, 11, 12]) |
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501 %!assert (dlmread (file, ",", [1, 0, 2, 1]), [4, 5; 7, 8]) |
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502 %!assert (dlmread (file, ",", "B1..C2"), [2, 3; 5, 6]) |
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503 %!assert (dlmread (file, ",", "B1:C2"), [2, 3; 5, 6]) |
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504 %!assert (dlmread (file, ",", "..C2"), [1, 2, 3; 4, 5, 6]) |
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505 %!assert (dlmread (file, ",", 0, 1), [2, 3; 5, 6; 8, 9; 11, 12]) |
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506 %!assert (dlmread (file, ",", "B1.."), [2, 3; 5, 6; 8, 9; 11, 12]) |
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507 %!error (dlmread (file, ",", [0 1])) |
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508 |
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509 %!test |
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510 %! unlink (file); |
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511 |
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512 %!shared file |
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513 %! file = tempname (); |
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514 %! fid = fopen (file, "wt"); |
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515 %! fwrite (fid, "1, 2, 3\n4+4i, 5, 6\n7, 8, 9\n10, 11, 12"); |
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516 %! fclose (fid); |
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517 |
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518 %!assert (dlmread (file), [1, 2, 3; 4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]) |
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519 %!assert (dlmread (file, ","), [1, 2, 3; 4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]) |
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520 %!assert (dlmread (file, ",", [1, 0, 2, 1]), [4 + 4i, 5; 7, 8]) |
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521 %!assert (dlmread (file, ",", "A2..B3"), [4 + 4i, 5; 7, 8]) |
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522 %!assert (dlmread (file, ",", "A2:B3"), [4 + 4i, 5; 7, 8]) |
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523 %!assert (dlmread (file, ",", "..B3"), [1, 2; 4 + 4i, 5; 7, 8]) |
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524 %!assert (dlmread (file, ",", 1, 0), [4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]) |
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525 %!assert (dlmread (file, ",", "A2.."), [4 + 4i, 5, 6; 7, 8, 9; 10, 11, 12]) |
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526 %!error (dlmread (file, ",", [0 1])) |
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527 |
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528 %!test |
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529 %! unlink (file); |
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530 */ |