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Mail Archives: djgpp/1997/01/31/06:57:13

From: Paul Shirley <Paul AT foobar DOT co DOT uk DOT chocolat>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: fixed point math: NEED HELP QUICK!
Date: Thu, 30 Jan 1997 02:15:42 +0000
Organization: wot? me?
Lines: 16
Distribution: world
Message-ID: <WWX+eCAORA8yEwz6@foobar.co.uk>
References: <5clmjm$ee3 AT nr1 DOT toronto DOT istar DOT net>
<199701290130 DOT UAA02417 AT delorie DOT com>
Reply-To: Paul Shirley <junk AT defeating DOT email DOT address>
NNTP-Posting-Host: chocolat.foobar.co.uk
Mime-Version: 1.0
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

In article <199701290130 DOT UAA02417 AT delorie DOT com>, DJ Delorie
<dj AT delorie DOT com> writes
>
>> function.  Anyway, here's my problem;  To my understanding the following
>> are 100% equal:
>> 
>> other_stuff = stuff / 256;
>> other_stuff = stuff << 8;
>
>The second multiplies.  Try ">> 8" instead.
>

And if other_stuff is signed, >>8 and /256 aren't identical either.
(which might save you some debugging later ;)
---
Paul Shirley: shuffle chocolat before foobar for my real email address

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