[Numpy-discussion] Cythonizing some of NumPy

2015-08-30 Thread David Cournapeau
Hi there, Reading Nathaniel summary from the numpy dev meeting, it looks like there is a consensus on using cython in numpy for the Python-C interfaces. This has been on my radar for a long time: that was one of my rationale for splitting multiarray into multiple independent .c files half a

Re: [Numpy-discussion] Notes from the numpy dev meeting at scipy 2015

2015-08-30 Thread Marten van Kerkwijk
Hi Nathaniel, others, I read the discussion of plans with interest. One item that struck me is that while there are great plans to have a proper extensible and presumably subclassable dtype, it is discouraged to subclass ndarray itself (rather, it is encouraged to use a broader array interface).

[Numpy-discussion] np.sign and object comparisons

2015-08-30 Thread Jaime Fernández del Río
There's been some work going on recently on Py2 vs Py3 object comparisons. If you want all the background, see gh-6265 https://github.com/numpy/numpy/issues/6265 and follow the links there. There is a half baked PR in the works, gh-6269 https://github.com/numpy/numpy/pull/6269, that tries to