#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/time.h>

#define N (20*1024)

void sighdlr(int sig)
{
    double a;

    a = 256;

    double observed = a;
    double expected = 257;

    if ( observed == expected )
	printf("Error in sighdlr()\n");
}

int
main (void)
{
    size_t i, k;
    struct itimerval itimer = { { 0, 10000}, { 0, 10000} };

    signal(SIGALRM, sighdlr);
    setitimer( ITIMER_REAL, &itimer, NULL);

    for (k = 1; k < 1000; k++) {
	double *a = malloc (N * sizeof (double));
	if (a == 0) {
	    printf ("malloc failed at k=%u\n", k);
	    exit (1);
	}

	for (i = 0; i < N; i++) {
	    a[i] = (double) i;
	    double observed = a[i];
	    double expected = (double) i;
	    if (observed != expected) {
		printf ("failed at i=%u, k=%u (obs %.18g vs exp %.18g)\n", i, k,
		        observed, expected);
	    }
	}

	for (i = 0; i < N; i++) {
	    double observed = a[i];
	    double expected = (double) i;
	    if (observed != expected) {
		printf ("failed at i=%u, k=%u (obs %.18g vs exp %.18g)\n", i, k,
		        observed, expected);
//		exit (1);
	    }
	}
	free (a);
    }
    exit (0);
}