From: "Marp" <Marp AT 0 DOT 0 DOT 0 DOT 0>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Help needed with a program I am writing
Date: Sun, 5 Dec 1999 21:16:34 -0500
Organization: MindSpring Enterprises
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To: djgpp AT delorie DOT com
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P K <paulkennedy AT citlink DOT net> wrote in message
news:dPE24.416$wM4 DOT 28044 AT news-west DOT eli DOT net...
<snip>

>     cos_table[a]=cos((float)a/180 * pi);
>     sin_table[a]=sin((float)a/180 * pi);

I'm not sure why you get the error you do, but you want the a/180 to be
calculated first, right? You have to surround that with parenthesis
otherwise the 180 * pi gets calculated first (order of operations) and you
get a different number from the one you want.