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annotate examples/mystruct.c @ 7334:274d9642ac10 release-3-0-0

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[project @ 2007-12-22 01:42:45 by jwe]
author jwe
date Sat, 22 Dec 2007 01:42:46 +0000
parents 503001863427
children 4295d634797d
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1 /*
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2
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3 Copyright (C) 2006, 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
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8 modify it under the terms of the GNU General Public License
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9 as published by the Free Software Foundation; either
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10 version 3 of the License, or (at your option) any later
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11 version.
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12
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13 Octave is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty
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15 of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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16 See the GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public
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19 License along with Octave; see the file COPYING. If not,
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20 see <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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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,
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28 const mxArray* prhs[])
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29 {
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30 int i;
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31 mwIndex j;
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32 mxArray *v;
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33 const char *keys[] = { "this", "that" };
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34
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35 if (nrhs != 1 || ! mxIsStruct (prhs[0]))
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36 mexErrMsgTxt ("expects struct");
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37
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38 for (i = 0; i < mxGetNumberOfFields (prhs[0]); i++)
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39 for (j = 0; j < mxGetNumberOfElements (prhs[0]); j++)
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40 {
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41 mexPrintf ("field %s(%d) = ",
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42 mxGetFieldNameByNumber (prhs[0], i), j);
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43 v = mxGetFieldByNumber (prhs[0], j, i);
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44 mexCallMATLAB (0, 0, 1, &v, "disp");
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45 }
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46
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47 v = mxCreateStructMatrix (2, 2, 2, keys);
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48
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49 mxSetFieldByNumber (v, 0, 0, mxCreateString ("this1"));
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50 mxSetFieldByNumber (v, 0, 1, mxCreateString ("that1"));
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51 mxSetFieldByNumber (v, 1, 0, mxCreateString ("this2"));
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52 mxSetFieldByNumber (v, 1, 1, mxCreateString ("that2"));
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53 mxSetFieldByNumber (v, 2, 0, mxCreateString ("this3"));
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54 mxSetFieldByNumber (v, 2, 1, mxCreateString ("that3"));
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55 mxSetFieldByNumber (v, 3, 0, mxCreateString ("this4"));
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56 mxSetFieldByNumber (v, 3, 1, mxCreateString ("that4"));
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57
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58 if (nlhs)
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59 plhs[0] = v;
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60 }