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annotate examples/mystruct.c @ 12385:c468c5b902b3 release-3-4-x ss-3-3-92

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version is now 3.3.92
author John W. Eaton <jwe@octave.org>
date Sun, 06 Feb 2011 06:27:19 -0500
parents 6cb30a539481
children be41c30bcb44
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1 #include "mex.h"
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2
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3 void
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4 mexFunction (int nlhs, mxArray* plhs[], int nrhs,
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5 const mxArray* prhs[])
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6 {
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7 int i;
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8 mwIndex j;
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9 mxArray *v;
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10 const char *keys[] = { "this", "that" };
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11
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12 if (nrhs != 1 || ! mxIsStruct (prhs[0]))
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13 mexErrMsgTxt ("expects struct");
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14
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15 for (i = 0; i < mxGetNumberOfFields (prhs[0]); i++)
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16 for (j = 0; j < mxGetNumberOfElements (prhs[0]); j++)
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17 {
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18 mexPrintf ("field %s(%d) = ",
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19 mxGetFieldNameByNumber (prhs[0], i), j);
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20 v = mxGetFieldByNumber (prhs[0], j, i);
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21 mexCallMATLAB (0, 0, 1, &v, "disp");
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22 }
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23
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24 v = mxCreateStructMatrix (2, 2, 2, keys);
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25
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26 mxSetFieldByNumber (v, 0, 0, mxCreateString ("this1"));
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27 mxSetFieldByNumber (v, 0, 1, mxCreateString ("that1"));
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28 mxSetFieldByNumber (v, 1, 0, mxCreateString ("this2"));
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29 mxSetFieldByNumber (v, 1, 1, mxCreateString ("that2"));
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30 mxSetFieldByNumber (v, 2, 0, mxCreateString ("this3"));
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31 mxSetFieldByNumber (v, 2, 1, mxCreateString ("that3"));
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32 mxSetFieldByNumber (v, 3, 0, mxCreateString ("this4"));
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33 mxSetFieldByNumber (v, 3, 1, mxCreateString ("that4"));
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34
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35 if (nlhs)
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36 plhs[0] = v;
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37 }