view examples/myfeval.c @ 18959:4c45986a278e

dump_demos.m: Check if file exists before demo and add timing. * dump_demos.m: Skip demo if output print file already exists. Add tic/toc timing for demo (calculation + plotting) and printing. This allows benchmarks and finding regressions which causes slow plotting or printing.
author Andreas Weber <andy.weber.aw@gmail.com>
date Sat, 26 Jul 2014 12:23:11 +0200
parents d1e16bdb3958
children
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#include "mex.h"

void
mexFunction (int nlhs, mxArray* plhs[],
             int nrhs, const mxArray* prhs[])
{
  char *str;

  mexPrintf ("Starting file myfeval.mex\n");

  mexPrintf ("I have %d inputs and %d outputs\n", nrhs, nlhs);

  if (nrhs < 1 || ! mxIsString (prhs[0]))
    mexErrMsgTxt ("ARG1 must be a function name");

  str = mxArrayToString (prhs[0]);

  mexPrintf ("I'm going to call the function %s\n", str);

  if (nlhs == 0)
    nlhs = 1;  // Octave's automatic 'ans' variable

  /* Cast prhs just to get rid of 'const' qualifier and stop compile warning */
  mexCallMATLAB (nlhs, plhs, nrhs-1, (mxArray**)prhs+1, str);

  mxFree (str);
}