From kleiweg at let.rug.nl  Wed Mar 16 00:19:11 2005
From: kleiweg at let.rug.nl (Peter Kleiweg)
Date: Wed Mar 16 00:19:23 2005
Subject: [Rd] Trigonometric functions (PR#7728)
In-Reply-To: <Pine.A41.4.61b.0503151507080.383546@homer03.u.washington.edu>
Message-ID: <Pine.LNX.4.44.0503160018280.2246-100000@kleigh.nl>

Thomas Lumley schreef op de 15e dag van de lentemaand van het jaar 2005:


> > x<-sqrt(2)
> > asin(x^2-1)
> > result in:
> > NaN
>
> Because you can't take the arcsin of 2^2-1=3.

Wrong answer.

Why is this a bug report?

-- 
Peter Kleiweg
http://www.let.rug.nl/~kleiweg/


[Rd] Trigonometric functions (PR#7728)
Peter Kleiweg