Re: Integer sine calculations?

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#6945

From: Risto Paasivirta
Date: Fri, 23 Nov 1990 10:00

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>   >and i'm pretty sure the numbers are not
>   >pre-calculated, so it seems that smooth curves like
>   >the sin and cos can be done using integer (native
>   >MC68000) arithmatic.
>
>Hmmm, seems to me you could just evaluate the Taylor series
>for sine and cos in fixed point arithmetic...

Just create table of sine values. Table of 1024 values
is a plenty for 16-bit maths.

Keep things simple, if you want to keep things fast...

	paasivir@jyu.fi

-- 
Bus error (core dumped)

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Path: arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!snorkelwacker.mit.edu!bloom-beacon!eru!hagbard!sunic!news.funet.fi!tukki.jyu.fi!paasivir
From: paasivir@tukki.jyu.fi (Risto Paasivirta)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Integer sine calculations?
Message-ID: <1990Nov23.100024.11424@tukki.jyu.fi>
Date: 23 Nov 90 10:00:24 GMT
References: <7336@hub.ucsb.edu> <1990Nov21.221825.10898@mdivax1.uucp> <HEBRAIS.90Nov23024202@olivier.IRO.UMontreal.CA>
Distribution: comp
Organization: University of Jyvaskyla, Finland
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