[Numpy-discussion] numpy_quaternion: OK on numpy 1.5.0, fails on 1.6.1
travis at continuum.io
Mon May 7 16:27:55 EDT 2012
I've created a NumPy dtype package team and added several people to that team. If others would like to participate on these extension types, let me know.
On May 7, 2012, at 8:28 AM, Tom Aldcroft wrote:
> Sorry to bother again, but I am running into an issue with the numpy
> quaternion dtype on numpy 1.6.1 :
> $ python
> ActivePython 188.8.131.52 (ActiveState Software Inc.) based on
> Python 2.7.1 (r271:86832, Feb 7 2011, 11:30:54)
> [GCC 4.0.2 20051125 (Red Hat 4.0.2-8)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import numpy
>>>> import quaternion
>>>> q = numpy.quaternion(1,0,0,0)
> quaternion(1, 0, 0, 0)
>>>> q2 = numpy.quaternion(1,0,0,0)
>>>> q * q2
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> TypeError: ufunc 'multiply' not supported for the input types, and the
> inputs could not be safely coerced to any supported types according to
> the casting rule 'safe'
> Using numpy 1.5.0 on the same platform the multiplication works and I
> get the expected result.
> For my near-term goal of getting tests in place I can just use 1.5.0,
> but if anyone has an idea of the problem I would appreciate help.
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