Sender: rich AT phekda DOT freeserve DOT co DOT uk
Message-ID: <3EA5B801.AB1ED518@phekda.freeserve.co.uk>
Date: Tue, 22 Apr 2003 22:45:37 +0100
From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
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To: Eric Rudd <rudd AT cyberoptics DOT com>
CC: djgpp-workers AT delorie DOT com, DJGPP newsgroup <djgpp AT delorie DOT com>
Subject: Re: Bug 00314 -- div() still broken
References: <fA9pa.20115$1s1 DOT 299825 AT newsfeeds DOT bigpond DOT com>
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	 <3EA54F78 DOT C46438ED AT phekda DOT freeserve DOT co DOT uk> <3EA57418 DOT 2060506 AT cyberoptics DOT com>
	 <3EA5789C DOT F1E0CFBB AT phekda DOT freeserve DOT co DOT uk> <3EA57D64 DOT 4030000 AT cyberoptics DOT com>
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Reply-To: djgpp-workers AT delorie DOT com

Hello.

Eric Rudd wrote:
> 
> Richard Dawe wrote:
> 
> > I thought maybe someone knew something I didn't. Like: perhaps this code
> > gives the correct behaviour with long long, but smaller types don't need
> > it?
> >
> According to C99:
> 
>    7.20.6.2  The div, ldiv, and lldiv functions
> 
>    [#2]  The  div,  ldiv,  and lldiv, functions compute numer /
>    denom and numer % denom in a single operation.
> 
> so if special tests were needed for lldiv, then there would be something
> wrong with / or % for long longs, which would need to be fixed instead.

True. I've fixed lldiv in the same way as div, ldiv. I also swapped the order
of calculation of r.quot, r.rem like you did for div, ldiv - r.rem is done
first. I've committed the fix to CVS.

Bye, Rich =]

-- 
Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]