Path: chuka.playstation.co.uk!news
From: "Rad" <rad@cyberdude.com>
Newsgroups: scee.yaroze.programming.2d_graphics
Subject: Re: What do'you mean I have to brush up on me maths!
Date: Thu, 15 Jul 1999 13:40:24 +0100
Organization: PlayStation Net Yaroze (SCEE)
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Alex Herbert wrote in message <7mj1bi$bjc2@chuka.playstation.co.uk>...
>
>Oh, and here's that square root function:
>
>asm u_short sqroot(u_long) {
>    addu    v0,$0,$0
>    ori        t0,$0,0x8000
>    or         t1,v0,t0
>L1:
>    multu    t1,t1
>    mflo      t2
>    sltu       $at,a0,t2
>    bne      $at,$0,L2
>    srl         t0,t0,1
>    addu    v0,t1,$0
>L2:
>    bne      t0,$0,L1
>    or         t1,v0,t0
>    jr          ra
>    nop
>}
>
>
>If anyone has a quicker method, please let me know;  thanks.
>


There is a fast square root function on Andreas Schrattenecker's web site,
whether it's faster or not I have no idea but if you find out let us know.

Rad.
rad@cyberdude.com
http://www.netyaroze-europe.com/~radpsx