From:	Kevin AT Quitt DOT net (Kevin D. Quitt)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: math optimization
Date:	Tue, 17 Dec 1996 06:43:35 GMT
Organization:	Cruisin' from home
Lines:	21
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References:	<32b26866 DOT 241305048 AT nntp DOT southeast DOT net> <32B53FBE DOT 1B0A AT pobox DOT oleane DOT com>
Reply-To:	Kevin AT Quitt DOT net
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To:	djgpp AT delorie DOT com
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On Mon, 16 Dec 1996 12:25:34 GMT, Francois Charton <deef AT pobox DOT oleane DOT com>
wrote:
>tfm[(y+radius)*diameter+(x+radius)]=(y+radius)*diameter+(x+radius);      
>tfm[(-y+radius)*diameter+(x+radius)]=(-y+radius)*diameter+(x+radius);    
>tfm[(y+radius)*diameter+(-x+radius)]=(y+radius)*diameter+(-x+radius);    
>tfm[(-y+radius)*diameter+(-x+radius)]=(-y+radius)*diameter+(-x+radius);  

>tfm[(y+radius)*diameter+(x+radius)]=(b+radius)*diameter+(a+radius); 
>tfm[(-y+radius)*diameter+(x+radius)]=(-b+radius)*diameter+(a+radius); 
>tfm[(y+radius)*diameter+(-x+radius)]=(b+radius)*diameter+(-a+radius); 
>tfm[(-y+radius)*diameter+(-x+radius)]=(-b+radius)*diameter+(-a+radius); 
>tfm[(y+radius)*diameter+(x+radius)]=(b+radius)*diameter+(a+radius);

Boy, those two snippets optimize so beautifully on almost everything but
the Intel FPU.

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