From: Robert Feldt <feldt@...>
Date: 2000-09-23T00:28:08+09:00
Subject: [ruby-talk:5067] Re: Proposal: Add constants to Math

On Sat, 23 Sep 2000, Masahiro Tanaka wrote:

> >From: Robert Feldt <feldt@ce.chalmers.se>
> >Subject: [ruby-talk:5057] Re: Proposal: Add constants to Math
> 
> > $ irb
> > irb(main):001:0> Math.log(-1)
> > -Infinity
> > irb(main):002:0> require 'narray'
> > true
> > irb(main):003:0> Math.log(-1)
> > Complex(0.0, 3.141592654)
> > irb(main):004:0>
> 
> Oh, I overlooked the effect.  It depends on Complex class.
> Thank you.
> 
No problem. My point was simply that in a language were you can
dynamically change the "meaning" of "standard" functions/methods you may
run into troubles. I didn't even know that narray used Complex so the
side-effect of loading narray above was a difficult "bug" for me to
find. Shorter: Flexibility comes with a price.

Regards,

Robert