machine-epsilon.c

#include <stdio.h>

int main() {
	float epsilon = 1;
	float one = 1;
	
	while (1 + epsilon != 1) {
		printf("Epsilon = %.12f\n", epsilon);
		epsilon/=2;
	}
	
	printf("Epsilon = %.12f\n", epsilon);
	
	if (1+epsilon == 1) {
		printf("yes\n");
	} else {
		printf("no\n");
	}
}