From: "Hal E. Fulton" <hal9000@...>
Date: 2001-12-06T13:43:59+09:00
Subject: [ruby-talk:27594] Re: Help! acos, asin - where?

----- Original Message -----
From: Thomas R. Corbin <tc@clark.net>
Newsgroups: comp.lang.ruby
To: ruby-talk ML <ruby-talk@ruby-lang.org>; <undisclosed-recipients: ;>
Sent: Wednesday, December 05, 2001 12:04 PM
Subject: [ruby-talk:27578] Re: Help! acos, asin - where?


> > def Math.asin x; atan2 x,sqrt(1-x*x) end
> > def Math.acos x; atan2 sqrt(1-x*x),x end
>
>         Thanks!  This is great... But shouldn't this be in the Math
module?
>
>         Sorry if I'm missing something.
>
>         Tom Corbin

Tom,

I think this will be in 1.8... you can verify that by
looking at the latest 1.7.x version.

Hal