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view examples/mypow2.c @ 17791:224e76250443
Use GNU style coding conventions for code in examples/
* examples/embedded.cc, examples/fortdemo.cc, examples/helloworld.cc,
examples/make_int.cc, examples/mycell.c, examples/myfeval.c, examples/myfunc.c,
examples/mypow2.c, examples/myprop.c, examples/myset.c, examples/mystring.c,
examples/mystruct.c, examples/oct_demo.cc, examples/oregonator.cc:
Use GNU style coding conventions for code in examples/
author | Rik <rik@octave.org> |
---|---|
date | Tue, 29 Oct 2013 10:28:39 -0700 |
parents | be41c30bcb44 |
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]; } }