bitovy-posun.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>

Go to the source code of this file.

Macros
#define	SHIFT(expr)   do {int i=(expr);unsigned u=(expr);printf("%20s => 0x%08x %11d\n", #expr, u, i);}while(0)

Functions
int	main (void)

Detailed Description

• demo bitovy posunu (bitwise shift) doleva/doprava
• un/signed (znamenkovy bit)
• reprezentace zapornych cisel v dvojkovem doplnku
• << n doleva: odpovida nasobeni 2^n, problem: preteceni!!!
• >> n doprava: odpovida deleni 2^n, problem: zaporna cisla

Definition in file bitovy-posun.c.