Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium
New issue 2621 by [email protected]: sympy hashes numbers differently
from python
http://code.google.com/p/sympy/issues/detail?id=2621
hash(1)
1
hash(S(1))
-237126060543571952
1 == S(1)
True
1 in set([S(1)])
False
Sympy should follow the rule that if a == b than hash(a) == hash(b). I
noticed that mpmath does this correctly.
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