t.c

来自「自己做的常用库和实现的数据结构。public domain.」· C语言 代码 · 共 21 行

#include<limits.h>
main()
{
	unsigned a=UINT_MAX,b=UINT_MAX-1;
	float c=1.1, d=2.2;
	printf("a=%u b=%u\n", a,b);
	a += b;
	printf("a=%u b=%u\n", a,b);
	b = a-b;
	printf("a=%u b=%u\n", a,b);
	a -= b;
	printf("after swap: a=%u b=%u\n", a,b);
	printf("c=%.70f\nd=%.70f\n", c,d);
	c += d;
	printf("c=%.70f\nd=%.70f\n", c,d);
	d = c-d;
	printf("c=%.70f\nd=%.70f\n", c,d);
	c -= d;
	printf("after swap:\nc=%.70f\nd=%.70f\n", c,d);
}