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Mail Archives: djgpp/1998/01/07/13:46:32

From: "Jean-Réginald Louis" <louis DOT jean-reginald AT teccart DOT qc DOT ca>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: fixed or float 3D calculations on a pentium?
Date: Wed, 07 Jan 1998 13:20:06 -0500
Organization: VTL
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Message-ID: <34B3C754.C88EAC39@teccart.qc.ca>
References: <34B3DEDD DOT F04C448C AT laon DOT inra DOT fr>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp


Victor jetten wrote:

> I've been doing some 3D landscape respresentations using Allegro on a
> pentium 166, resolution 1024x768 with 256 colors. The fixed point
> version is slower than in floating point version (basic 3D calculations
> on gridcells). Is this because a pertium is faster in float ?  How or
> when should fixed point be applied to make it faster? Thanks

  Personnaly, I prefer using float, there are very more accurate than fixed
(particulary in matrices). A lot of people said that floating math are
faster on Pentium than fixed. I just repeat what I read. :-)

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