#include <stdio.h>
#include <math.h>

/* example of float approximate equality */

int main() {

	double i = 5.0000000, j = 5.000000001;

	printf("i is %f, j is %f\n", i, j);

	if (i == j) {
		printf("i is equal to j\n");
	}

	if (fabs(i - j) < 0.0001) {
		printf("i is approximately equal to j\n");
	}


}