[Numpy-discussion] More numpy and Numeric differences
Colin J. Williams
cjw at sympatico.ca
Mon Feb 13 19:56:09 CST 2006
Travis Oliphant wrote:
> Pearu Peterson wrote:
>> I have created a wiki page
>> that reports my findings on how numpy and Numeric behave on various
>> corner cases. Travis O., could you take a look at it?
>> Here is the most recent addition:
> I fixed the put issue. The problem with clip is actually in choose
> (clip is just a specific application of choose).
> The problem is in PyArray_ConvertToCommonType. You have an integer
> array, an integer scalar, and a floating-point scalar.
> I think the rules implemented in PyArray_ConvertToCommonType are not
> allowing the scalar to dictate anything. But, this should clearly be
> changed to allow scalars of different "kinds" to up-cast the array.
> This would be consistent with the umath module.
> So, PyArray_ConvertToCommonType needs to be improved. This will have
> an impact on several other functions that use this C-API.
A numarray vs numpy would be helpful for some of us.
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