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Re: `angle' implementation
From: |
Thomas Bushnell, BSG |
Subject: |
Re: `angle' implementation |
Date: |
03 Jul 2001 09:43:51 -0700 |
User-agent: |
Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7 |
Martin Grabmueller <address@hidden> writes:
> > From: address@hidden (Thomas Bushnell, BSG)
> > Date: 03 Jul 2001 09:07:56 -0700
> >
> > What I want to know, is why isn't `angle' implemented like this:
> >
> > (define (angle z)
> > (atan (imag-part z) (real-part z)))
>
> Performance?
In that case, energy should be spent fixing that part of the system,
and not writing these kinds of functions in C. :)