#include <stdio.h>
#include <float.h>

int main(void)
{
    printf("float: %u bit, double: %u bit\n", sizeof(float)*8, sizeof(double)*8);
    printf("FLT_MAX =     % e\n", FLT_MAX);
    printf("FLT_MIN =     % e\n", FLT_MIN);
    printf("FLT_EPSILON = % e\n", FLT_EPSILON);
    printf("DBL_MAX =     % e\n", DBL_MAX);
    printf("DBL_MIN =     % e\n", DBL_MIN);
    printf("DBL_EPSILON = % e\n", DBL_EPSILON);
    return 0;
}