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68 lines
1.4 KiB
Python
68 lines
1.4 KiB
Python
# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the BSD License. See the LICENSE file in the root of this repository
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# for complete details.
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from __future__ import absolute_import, division, print_function
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class Infinity(object):
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def __repr__(self):
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return "Infinity"
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def __hash__(self):
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return hash(repr(self))
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def __lt__(self, other):
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return False
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def __le__(self, other):
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return False
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def __eq__(self, other):
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return isinstance(other, self.__class__)
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def __ne__(self, other):
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return not isinstance(other, self.__class__)
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def __gt__(self, other):
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return True
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def __ge__(self, other):
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return True
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def __neg__(self):
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return NegativeInfinity
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Infinity = Infinity()
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class NegativeInfinity(object):
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def __repr__(self):
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return "-Infinity"
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def __hash__(self):
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return hash(repr(self))
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def __lt__(self, other):
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return True
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def __le__(self, other):
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return True
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def __eq__(self, other):
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return isinstance(other, self.__class__)
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def __ne__(self, other):
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return not isinstance(other, self.__class__)
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def __gt__(self, other):
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return False
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def __ge__(self, other):
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return False
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def __neg__(self):
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return Infinity
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NegativeInfinity = NegativeInfinity() |