#include <stdio.h>
#include <stdlib.h>
#include <time.h>

double i2d(int i);
int d2i(double d);

main()
{
	int i;
	srand(time(NULL));

	for (i=-102500; i<=102500; i++) {
		int r = rand();
		int r2 = d2i(i2d(r));
		if (r != r2) printf("%d -> %d\n", r, r2);
	}
}

double
i2d(int i)
{
	return(double)i;
}

int
d2i(double d)
{
	return(int)d;
}