Status: Accepted
Owner: [email protected]
Labels: Type-Defect Priority-Medium
New issue 2526 by [email protected]: Making sympy __mul__s return
NotImplemented wherever applicable
http://code.google.com/p/sympy/issues/detail?id=2526
Currently in Sympy, there are instances of __mul__ functions which do no
return NotImplemented for types it is not aware of or types that it should
not operate on. This gives some sort of exception instead of delegating the
work to the right object's __rmul__.
For example, FF(2)(-1) * Matrix, fails because the __mul__ function of
FF(q) does not recognize Matrix. But in that case it should let Matrix
handle the multiplication.
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