[Numpy-discussion] Re: Passing output array to bincount

2022-10-22 Thread Jerome Kieffer
On Thu, 20 Oct 2022 23:26:37 - ntess...@pm.me wrote: > As far as I can see, there is no equivalent numpy functionality. In fact, as > far as I'm aware, there isn't any fast alternative outside of > C/Cython/numba/.. We have cummulative histograms in silx ... and found it useful. Maybe it wo

[Numpy-discussion] Re: Out paramter for argsort?

2022-10-22 Thread Hameer Abbasi
Hello, One thing I can think off right off the bat is that it’d only be useful if the out argument has the correct dtype (np.uintp, if I’m not mistaken). I’m not sure how much of a nuisance that could be for end users, but I assume not very much given the correct error message. Best regards, H

[Numpy-discussion] Out paramter for argsort?

2022-10-22 Thread Paul Rudin
Argsort returns its result in a new array. It would be useful if allocation of the new array could be avoided when a suitable array is already available. Is there a reason why this wouldn't be useful or problematic to implement? ___ NumPy-Discussion mai

[Numpy-discussion] Re: NEP 50 and cast safety for scalar assignment/conversions

2022-10-22 Thread Sebastian Berg
On Fri, 2022-10-21 at 17:17 -0600, Aaron Meurer wrote: > I'm probably not understanding all the subtleties here. In the > documentation for can_cast (and other places), it says, "'safe' means > only casts which can preserve values are allowed." So by that > definition, I think 'safe' casting should