[Numpy-discussion] Scalar-ndarray arguments passed to not_equal
Friedrich Romstedt
friedrichromstedt at gmail.com
Thu Feb 11 16:03:37 EST 2010
Robert Kern:
> def numpy_ops(**ops):
> old_ops = np.set_numeric_ops(**ops)
> try:
> yield
> finally:
> np.set_numeric_ops(**old_ops)
>
>
> with numpy_ops(multiply=...):
> print np.array([1, 2, 3]) * np.array([1, 2, 3])
Well, at least for me in Py 2.5 this fails with:
AttributeError: 'generator' object has no attribute '__exit__'
Nevertheless it's a nice idea. But you should definitely make
numpy_ops a proper class instance for the "with" statement, with
__enter__() and __exit__(), am I wrong?
I prefer to code my overload in such a way that it does not affect
other people's arithemetics ... But coercion is a difficult thing.
Friedrich
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