test_prec.c SOURCE

/* test_prec.c */
#include <stdio.h>

int main() {
        printf("rounded to nearest because 3.14159 = %.2f\n", 3.14159);
        printf("rounded to nearest because 3.14159 = %.4f\n", 3.14159);
        printf("NOT rounded up because 1.561 = %.2f\n", 1.561);
        printf("NOT rounded down because 1.565 = %.2f\n", 1.565);
        return 0;
}