int,long,short,float,double的大小

/***********************************************
 *
 * 判断int,long,short,float,double的大小
 * by zhaozhilu
 *
 ***********************************************
 */
#include<stdio.h>
#include<math.h>

int main()
{
        int a,i;
        long int b;
        short int c;
        float d;
        double e;

        printf("整型是%d字节\n",sizeof(a));
        i=sizeof(a)*8;
        printf("整型的最大值是%f\n",pow(2,i));

        printf("长整型是%d字节\n",sizeof(b));
        i=sizeof(b)*8;
        printf("长整型的最大值是%f\n",pow(2,i));

        printf("短整型是%d字节\n",sizeof(c));
        i=sizeof(c)*8;
        printf("短整型的最大值是%f\n",pow(2,i));

        printf("浮点型是%d字节\n",d);
        i=sizeof(d)*8;
        printf("浮点型的最大值是%f\n",pow(2,i));

        printf("双精度型是%d字节\n",sizeof(e));
        i=sizeof(e)*8;
        printf("双精度型的最大值是%f\n",pow(2,i));

        return 0;
}

 编译的时候要链接math库:gcc test.c -lm