Mercurial > octave-nkf
view examples/mystring.c @ 12847:619c1895e3e0
codesprint: Add tests for swapbytes.m
* swapbytes.m: Add 1 test and 2 input validation checks.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Sat, 16 Jul 2011 15:31:26 -0700 |
parents | 6cb30a539481 |
children | be41c30bcb44 |
line wrap: on
line source
#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]; }