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annotate examples/mystring.c @ 6593:3da1f4a41455

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[project @ 2007-04-27 08:08:19 by dbateman]
author dbateman
date Fri, 27 Apr 2007 08:08:19 +0000
parents
children 2aad75fcc93a
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3da1f4a41455 [project @ 2007-04-27 08:08:19 by dbateman]
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1 #include <string.h>
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2 #include "mex.h"
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3
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4 void
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5 mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
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6 {
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7 int i, j, m, n;
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8 mxChar *pi, *po;
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9
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10 if (nrhs != 1 || ! mxIsChar (prhs[0]) ||
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11 mxGetNumberOfDimensions (prhs[0]) > 2)
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12 mexErrMsgTxt ("expecting char matrix");
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13
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14 m = mxGetM (prhs[0]);
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15 n = mxGetN (prhs[0]);
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16 pi = mxGetChars (prhs[0]);
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17 plhs[0] = mxCreateNumericMatrix (m, n, mxCHAR_CLASS, mxREAL);
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18 po = mxGetChars (plhs[0]);
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19
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20 for (j = 0; j < n; j++)
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21 for (i = 0; i < m; i++)
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22 po [j*m + m - 1 - i] = pi [j*m + i];
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23 }