Mercurial > octave-libgccjit
view examples/mypow2.c @ 18913:ab7d81d5fbdf
build: Create octave.desktop even when --disable-docs configured (bug #42720).
* etc/icons/Makefile.am, etc/icons/octave-logo.ico, etc/icons/octave-logo.png,
etc/icons/octave-logo.svg, etc/icons/octave-sombrero.png,
etc/icons/octave.desktop.in, etc/icons/octave_branding_samples.svg:
Move doc/icons files to /etc/icons directory.
* Makefile.am: Add etc/icons to list of SUBDIRS to build.
* configure.ac: Change doc/icons to etc/icons.
* doc/Makefile.am: Remove icons from list of SUBDIRS to build.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 13 Jul 2014 19:46:57 -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]; } }