Path: chuka.playstation.co.uk!news
From: Developer Support <dev_support@interactive.sony.com>
Newsgroups: scee.yaroze.beginners
Subject: Re: problems with sin()
Date: Fri, 15 Aug 1997 10:22:39 +0100
Organization: PlayStation Net Yaroze (SCEE)
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Message-ID: <33F41FDF.3A85@interactive.sony.com>
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Michael Raasch wrote:
> 
> hi there.
> 
> I would like to calculate the sinus of an angle, but CW complains while
> linking that something is undefined.
> the source for testing is:
> 
> #include <libps.h>
> main()
> {
> int sinus;
> sinus = sin(0.1);
> sinus = (int) sin(0.1);
> }
> 
> the error-msg is:
> Link Error   : ndefined: ‘__cvt_dfp2unsigned’
> eferenced from ‘main’
> in main.c
> 
> Link Error   : ndefined: ‘__cvt_dfp2unsigned’
> eferenced
> from ‘main’ in main.c
> 
> Link failed.
>

This is a specifically CodeWarrior problem, solvable by 
floating-point code generation options in the IDE.

The easiest workaround is to use the precalculated sincos
tables, available as .c and .h modules, in much of the SCEE
sample code programs.