Mercurial > octave-libgccjit
view examples/mypow2.c @ 18948:64173c377a6b
meshz.m: Overhaul for Matlab compatibility.
* meshz.m: Accept optional property/value pairs to pass to surface object.
Use the same scheme as Matlab for creating the curtain around the border
so the visual results are the same.
author | Rik <rik@octave.org> |
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date | Mon, 21 Jul 2014 08:41:42 -0700 |
parents | 224e76250443 |
children |
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#include "mex.h" void mexFunction (int nlhs, mxArray* plhs[], int nrhs, const mxArray* prhs[]) { mwSize n; mwIndex i; double *vri, *vro; if (nrhs != 1 || ! mxIsNumeric (prhs[0])) mexErrMsgTxt ("ARG1 must be a matrix"); n = mxGetNumberOfElements (prhs[0]); plhs[0] = mxCreateNumericArray (mxGetNumberOfDimensions (prhs[0]), mxGetDimensions (prhs[0]), mxGetClassID (prhs[0]), mxIsComplex (prhs[0])); vri = mxGetPr (prhs[0]); vro = mxGetPr (plhs[0]); if (mxIsComplex (prhs[0])) { double *vii, *vio; vii = mxGetPi (prhs[0]); vio = mxGetPi (plhs[0]); for (i = 0; i < n; i++) { vro[i] = vri[i] * vri[i] - vii[i] * vii[i]; vio[i] = 2 * vri[i] * vii[i]; } } else { for (i = 0; i < n; i++) vro[i] = vri[i] * vri[i]; } }