[A89] arctan

To: assembly-89@lists.ticalc.org
Subject: [A89] arctan
From: "asm viper" <asmviper@hotmail.com>
Date: Sat, 22 Jun 2002 18:51:20 +0000
Reply-To: assembly-89@lists.ticalc.org


Hey everybody,
I was wondering if anyone knows of a good method to calculate the arctangent 
(also known as inverse tangent) of a value using 68k assembly. I am using it 
in a program that calculates angles using two points -
tan(theta)=opposite/adjacent
arctan(opposite/adjacent)=theta
For this program, speed will be more important than accuracy - 3 or 4 
significant digits is plenty.
Even a website with info would be great - but the algorithm/function must 
NOT require any bounds on the input or output. Thanks!
asmviper


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