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1 /* |
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2 |
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3 Copyright (C) 2007 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #include <string.h> |
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24 #include "mex.h" |
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25 |
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26 void |
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27 mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) |
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28 { |
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29 mwIndex i, j; |
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30 mwSize m, n; |
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31 mxChar *pi, *po; |
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32 |
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33 if (nrhs != 1 || ! mxIsChar (prhs[0]) || |
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34 mxGetNumberOfDimensions (prhs[0]) > 2) |
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35 mexErrMsgTxt ("expecting char matrix"); |
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36 |
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37 m = mxGetM (prhs[0]); |
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38 n = mxGetN (prhs[0]); |
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39 pi = mxGetChars (prhs[0]); |
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40 plhs[0] = mxCreateNumericMatrix (m, n, mxCHAR_CLASS, mxREAL); |
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41 po = mxGetChars (plhs[0]); |
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42 |
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43 for (j = 0; j < n; j++) |
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44 for (i = 0; i < m; i++) |
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45 po [j*m + m - 1 - i] = pi [j*m + i]; |
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46 } |
