view examples/myfeval.c @ 18575:f57148641869 gui-release

polyeig.m: Overhaul function for Matlab compatibility (bug #41865). * NEWS: Announce change in return format of polyeig. * polyeig.m: Return a row vector of eigenvalues rather than a matrix with eigenvalues on the diagonal. Improve docstring. Improve input validation. Add %!error tests for input validation.
author Rik <rik@octave.org>
date Sat, 15 Mar 2014 16:29:46 -0700
parents d1e16bdb3958
children
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line source

#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);
}