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987天前/* 检查各浮点型可存储的数量级范围 */ |
#include <stdio.h> |
int main(void) { |
float f_max = 1.123e38f; /* 可以不使用f后缀，但可能会出现warning */ |
float f_min = -1.123e38f; |
float f_max_e = 1.123e39f; |
float f_min_e = -1.123e39f; |
double d_max = 1.123e308; |
double d_min = -1.123e308; |
double d_max_e = 1.123e309; |
double d_min_e = -1.123e309; |
long double ld_max = 1.123e4932l; /* 必须使用后缀l或L */ |
long double ld_min = -1.123e4932l; |
long double ld_max_e = 1.123e4933l; |
long double ld_min_e = -1.123e4933l; |
/* 验证float型的数量级范围 */ |
printf("f_max = %f\n", f_max); |
printf("f_min = %f\n", f_min); |
printf("f_max_e = %f\n", f_max_e); |
printf("f_min_e = %f\n", f_min_e); |
/* 验证double型的数量级范围 */ |
printf("d_max = %lf\n", d_max); |
printf("d_min = %lf\n", d_min); |
printf("d_max_e = %lf\n", d_max_e); |
printf("d_min_e = %lf\n", d_min_e); |
/* 验证long double型的数量级范围 */ |
printf("ld_max = %llf\n", ld_max); |
printf("ld_min = %llf\n", ld_min); |
printf("ld_max_e = %llf\n", ld_max_e); |
printf("ld_min_e = %llf\n", ld_min_e); |
return 0; |
} |
by: 发表于：2017-08-15 10:50:49 顶(0) | 踩(0) 回复
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