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From: ark@alice.UUCP (Andrew Koenig)
Newsgroups: comp.lang.c,comp.std.c
Subject: Re: shift left arithmetic
Message-ID: <11317@alice.UUCP>
Date: 10 Sep 90 20:15:32 GMT
References: <2098@charon.cwi.nl>
Organization: AT&T Bell Laboratories, Liberty Corner NJ
Lines: 13

In article <2098@charon.cwi.nl>, aeb@cwi.nl (Andries Brouwer) writes:

> While debugging an Australian computer algebra package
> I stumbled over the following: 1<<32 produced 0, but
> int a; a=1; a<<32 produced 1. (Of course the word length
> of my machine is 32 bits.)

On a machine with 32-bit words, a program that shifts a
vlaue by 32 bits is illegal and the implementation is allowed
to do whatever it likes.
-- 
				--Andrew Koenig
				  ark@europa.att.com