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From: peterl@ibmpcug.co.uk (Peter Leaback)
Newsgroups: comp.sys.acorn,eunet.micro.acorn,connect.audit
Subject: Re: divide
Message-ID: <1991Mar10.142208.10663@ibmpcug.co.uk>
Date: 10 Mar 91 14:22:08 GMT
Organization: The IBM PC User Group, UK.
Lines: 19



You are requesting a 32/32 divide into 47 bit result. I would question
whether you actually need that accuracy. 

Virtually all real time 3D on microcomputers use 16 bit (or less)
projection accuracy. So I suggest you keep the values you wish to project
within 16 bits. So your divide will look like  (x<<15)/y. If you want
a 32 bit world space, then you can do simple maths to still keep
projections within the 16bit range.

Regards,
        Pete Leaback.
.
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