[Python-Dev] return type of complex (original) (raw)

Antonio Cuni anto.cuni at gmail.com
Fri Oct 19 17:15:42 CEST 2012

On 10/19/2012 04:13 PM, Nick Coghlan wrote:

On Fri, Oct 19, 2012 at 11:08 PM, Antonio Cuni <anto.cuni at gmail.com> wrote:

Is that the real intended behavior? Given the way complex numbers interact with floats generally, returning a complex number with no imaginary component as a floating point value seems legitimate and the checks in cmath overly strict. Otherwise you would get redundancy like: def complex(self): return complex(value) or def complex(self): return value + 0j More importantly, relaxing the checks in cmath is backwards compatible. while tightening up the checks in complexnew is not.

indeed, you are right. So I suppose that in pypy we could just relax the check in cmath and be happy. Is there any chance that this will be changed in 2.7 and/or 3.x?

ciao, Anto

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