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From: ts@cup.portal.com (Tim W Smith)
Newsgroups: comp.lang.c
Subject: Re: count of bits set in a long
Message-ID: <34281@cup.portal.com>
Date: 26 Sep 90 12:46:35 GMT
References: <37545@ut-emx.uucp> <3820@goanna.cs.rmit.oz.au>
Organization: The Portal System (TM)
Lines: 13

How about something like this?

int	NumberOfBitsInLong( register unsigned long input )
{
	register int count;

	for ( count = 0; input != 0; count++ )
		input &= input-1;

	return count;
}

						Tim Smith