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echo: os2prog
to: Rob Basler
from: Jesper Sandberg
date: 1994-11-11 22:28:06
subject: Need sqrt() algorithm

Hello Rob!

Tuesday November 08 1994 17:13, Rob Basler wrote to All:

 RB> I need to do a distance calculation between two points (x0,z0) and
 RB> (x1,z1). The way I know to do this is to use the distance formula, but it
 RB> requires a square root calculation.  I don't want to use the standard C
 RB> sqrt() function because I am not using floating point for anything else.

 RB> I need an algorithm for calculating square roots to 3 or 4 decimal places.

 ?? If you don't use floating point, but you want 3 to 4 decimal places ??
Are you doing it in ASM or C ?? I have an algo in ASM somwhere, which I
used for som 3D calculations, I think it's possible to find it, if you want
it, but as I said it's in ASM..

Jesper Sandberg

--- GEcho 1.00


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