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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Arctan: to use with single or with double arguments?
Date: Sat, 11 Feb 2012 08:53:06 +0000
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Date: 2012-02-11T08:53:06+00:00
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Adam Beneschan <adam@irvine.com> writes:

> Yep, the arguments to Arctan in Ada (and I believe the arguments to
> ATAN2 in Fortran) are (Y, X).

Which presents a fine opportunity for confusion when you're dealing with
Bearing (zero at North, positive clockwise); you say Arctan (X, Y).