New submission from Tom Krauss:
Consider the following simple class that provides a "__complex__" method.
class C(object):
def __init__(self, x):
self.x = x
def __complex__(self):
return self.x
x=C(-0j)
PYTHON 2.7.13
>>> x.x
-0j
>>> complex(x)
0j
PYTHON 3.6
>>> x.x
(-0-0j)
>>> complex(x)
(-0+0j)
----------
messages: 288177
nosy: Tom Krauss
priority: normal
severity: normal
status: open
title: complex() on object with __complex__ function loses sign of zero
imaginary part
type: behavior
versions: Python 2.7, Python 3.6
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Python tracker <[email protected]>
<http://bugs.python.org/issue29602>
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