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