From: "Jean-Réginald Louis" 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 Lines: 14 Message-ID: <34B3C754.C88EAC39@teccart.qc.ca> References: <34B3DEDD DOT F04C448C AT laon DOT inra DOT fr> NNTP-Posting-Host: ppp112.101.mmtl.videotron.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Precedence: bulk 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. :-)