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From Gilles Sadowski <>
Subject [Math] Two "Complex" classes? (Was: Re: [math] Complex division)
Date Sat, 10 Sep 2011 21:51:27 GMT

Coming back to this with a simple idea that may hopefully satisfy everyone.

What do you think of having one class that performs all operations by
directly applying the computational formulae, without worrying about NaN
or infinities. This would be represent the complex field, would be simple
and most efficient for general use (not involving limiting cases), would be
documented as "producing undefined results in limiting cases" or "producing
the results expected from direct application of the formulae". The latter
would probably automatically keep track of all combinations of NaNs and
infinities (as seems to be the case in Octave).

In a subclass of the above one, we would attempt to get a completely
consistent representation of the extended complex numbers (one point at
infinity). It would thus contain all the special handling of the limiting
cases of the current "Complex" class (plus all the missing ones and related
bug fixes).


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