Re: if statement

[Simon Wright <simon@pushface.org>]

Christoph Grein <christoph.grein@eurocopter.com> writes:

>   arctan (X => X, Y => Y)
> 
> is a completely different beast. The definition has parameter Y
> first, X second (for good mathematical reasons),

And if you actually want

  arctan (X => Y, Y => X)

because you're measuring angles clockwise from North ... actually I
guess a renaming would be good;

  function Compass_Bearing (Eastings, Northings : Float'base) return Float'Base)
  renames Arctan (X => Northings, Y => Eastings);

(uncompiled)

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Simon Wright                       Work Email: simon.j.wright@amsjv.com
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