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62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
2 years ago
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# 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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class InfinityType:
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def __repr__(self) -> str:
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return "Infinity"
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def __hash__(self) -> int:
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return hash(repr(self))
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def __lt__(self, other: object) -> bool:
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return False
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def __le__(self, other: object) -> bool:
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return False
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def __eq__(self, other: object) -> bool:
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return isinstance(other, self.__class__)
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def __gt__(self, other: object) -> bool:
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return True
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def __ge__(self, other: object) -> bool:
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return True
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def __neg__(self: object) -> "NegativeInfinityType":
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return NegativeInfinity
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Infinity = InfinityType()
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class NegativeInfinityType:
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def __repr__(self) -> str:
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return "-Infinity"
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def __hash__(self) -> int:
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return hash(repr(self))
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def __lt__(self, other: object) -> bool:
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return True
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def __le__(self, other: object) -> bool:
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return True
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def __eq__(self, other: object) -> bool:
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return isinstance(other, self.__class__)
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def __gt__(self, other: object) -> bool:
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return False
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def __ge__(self, other: object) -> bool:
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return False
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def __neg__(self: object) -> InfinityType:
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return Infinity
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NegativeInfinity = NegativeInfinityType()
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