floatcnv.c

来自「《C++程序设计教程》—源代码 面向对象的软件工程 VC上机指导 面向对象」· C语言 代码 · 共 17 行

/* floatcnv.c -- mismatched floating-point conversions */
#include <stdio.h>
int main(void)
{
    float n1 = 3.0;
    double n2 = 3.0;
    long n3 = 2000000000;
    long n4 = 1234567890;

    printf("%.1e %.1e %.1e %.1e\n", n1, n2, n3, n4);
    printf("%ld %ld\n", n3, n4);
    printf("%ld %ld %ld %ld\n", n1, n2, n3, n4);
   
    return 0;
}