Mercurial > octave-nkf
view examples/mystring.c @ 14656:8d2ce821e38a
Ensure sparse constructors have valid ridx and data indices even if they are zero matrices (bug #36104)
author | David Bateman <dbateman@free.fr> |
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date | Sat, 19 May 2012 01:59:21 +0200 |
parents | 6cb30a539481 |
children | be41c30bcb44 |
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#include <string.h> #include "mex.h" void mexFunction (int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) { mwIndex i, j; mwSize m, n; mxChar *pi, *po; if (nrhs != 1 || ! mxIsChar (prhs[0]) || mxGetNumberOfDimensions (prhs[0]) > 2) mexErrMsgTxt ("expecting char matrix"); m = mxGetM (prhs[0]); n = mxGetN (prhs[0]); pi = mxGetChars (prhs[0]); plhs[0] = mxCreateNumericMatrix (m, n, mxCHAR_CLASS, mxREAL); po = mxGetChars (plhs[0]); for (j = 0; j < n; j++) for (i = 0; i < m; i++) po [j*m + m - 1 - i] = pi [j*m + i]; }