view examples/mystruct.c @ 11771:735dfdb92384 release-3-0-x

Treat bool as a scalar in the bit functions
author David Bateman <>
date Tue, 06 May 2008 06:20:36 -0400
parents 503001863427
children 4295d634797d
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Copyright (C) 2006, 2007 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or 
modify it under the terms of the GNU General Public License 
as published by the Free Software Foundation; either
version 3  of the License, or (at your option) any later 

Octave is distributed in the hope that it will be useful, 
but WITHOUT ANY WARRANTY; without even the implied warranty
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public 
License along with Octave; see the file COPYING.  If not,
see <>.


#include "mex.h"

mexFunction (int nlhs, mxArray* plhs[], int nrhs, 
	     const mxArray* prhs[])
  int i;
  mwIndex j;
  mxArray *v;
  const char *keys[] = { "this", "that" };

  if (nrhs != 1 || ! mxIsStruct (prhs[0]))
    mexErrMsgTxt ("expects struct");

  for (i = 0; i < mxGetNumberOfFields (prhs[0]); i++)
    for (j = 0; j < mxGetNumberOfElements (prhs[0]); j++)
        mexPrintf ("field %s(%d) = ", 
                   mxGetFieldNameByNumber (prhs[0], i), j);
        v = mxGetFieldByNumber (prhs[0], j, i);
        mexCallMATLAB (0, 0, 1, &v, "disp");

  v = mxCreateStructMatrix (2, 2, 2, keys);

  mxSetFieldByNumber (v, 0, 0, mxCreateString ("this1"));
  mxSetFieldByNumber (v, 0, 1, mxCreateString ("that1"));
  mxSetFieldByNumber (v, 1, 0, mxCreateString ("this2"));
  mxSetFieldByNumber (v, 1, 1, mxCreateString ("that2"));
  mxSetFieldByNumber (v, 2, 0, mxCreateString ("this3"));
  mxSetFieldByNumber (v, 2, 1, mxCreateString ("that3"));
  mxSetFieldByNumber (v, 3, 0, mxCreateString ("this4"));
  mxSetFieldByNumber (v, 3, 1, mxCreateString ("that4"));

  if (nlhs)
    plhs[0] = v;