ex2-1.c

来自「嵌入式系统基础课件」· C语言 代码 · 共 32 行

#include <stdio.h>

int main()
	{
	static float f[] =
		{
		-2.0, -1.0, -0.75, -0.5,
		0.0, 0.5, 0.75, 1.0, 2.0
		} ;
	int i, j ;

	for (i = 8; i >= 0; i--)
		{
		void *p = &f[i] ;
		long bits = *((long *) p) ;
		int zero = (bits == 0L) ;

		printf("%5.2f\t", f[i]) ;
		for (j = 0; j < 32; j++)
			{
			if (j == 1 || j == 9) printf(" ") ;
			if (j == 9) printf("(%d).", !zero) ;
			printf("%d", bits < 0) ;
			bits <<= 1 ;
			}
		printf("\n") ;
		}

	return 0 ;
	}