/* Hello10 function for MATLAB 5.x By Gerox
   Programmed by Gerox 1999.July 6
   for destructor constructor demonstration program
*/
#include <stdio.h>
#include "mex.h"
static int initialized = 0;
static double *sample = NULL;
void cLeanup(void) {
	if(initialized != 0) {
// do something
		mexPrintf("MEX-file is safely terminated.\n");
		mxFree(sample);
		initialized = 0;
	}
}
void mexFunction(int nlhs,mxArray *plhs[],int nrhs,const mxArray * prhs[]) {
	double *pldata;
	if(nrhs != 0) {
		mexErrMsgTxt("zero input must be required.");return;
	}
	if(nlhs != 1) {
		mexErrMsgTxt("one output must be required.");return;
	}
	if(initialized == 0) {
		sample = (double*)mxCalloc(1,sizeof(double));
		mexMakeMemoryPersistent(sample);
		mexAtExit(cLeanup);
		sample[0] = 0;
		initialized++;
	}
	plhs[0] = mxCreateDoubleMatrix(1,2,mxREAL);
	pldata = mxGetPr(plhs[0]);
	pldata[0] = (double)initialized++;
	sample[0] += 1.0;
	pldata[1] = sample[0];
	return;
}