Re: [Numpy-discussion] Custom Dtype/Units discussion

2016-07-11 Thread Ralf Gommers
On Tue, Jul 12, 2016 at 7:56 AM, Travis Oliphant wrote: > > > > http://www.continuum.io > On Mon, Jul 11, 2016 at 12:58 PM, Charles R Harris < > charlesr.har...@gmail.com> wrote: > >> >> >> On Mon, Jul 11, 2016 at 11:39 AM, Chris Barker >> wrote: >> >>> >>> >>> On Sun, Jul 10, 2016 at 8:12 PM, N

Re: [Numpy-discussion] Custom Dtype/Units discussion

2016-07-11 Thread Travis Oliphant
On Mon, Jul 11, 2016 at 12:58 PM, Charles R Harris < charlesr.har...@gmail.com> wrote: > > > On Mon, Jul 11, 2016 at 11:39 AM, Chris Barker > wrote: > >> >> >> On Sun, Jul 10, 2016 at 8:12 PM, Nathan Goldbaum >> wrote: >> >>> >>> Maybe this can be an informal BOF session? >>> >> >> or maybe a f

Re: [Numpy-discussion] deterministic, reproducible matmul / __matmult_

2016-07-11 Thread Pauli Virtanen
Mon, 11 Jul 2016 13:01:49 -0400, Jason Newton kirjoitti: > Does the ML have any ideas on how one could get a matmul that will not > allow any funny business on the evaluation of the products? Funny > business here is something like changing the evaluation order additions > of terms. I want strict

Re: [Numpy-discussion] Custom Dtype/Units discussion

2016-07-11 Thread Charles R Harris
On Mon, Jul 11, 2016 at 11:39 AM, Chris Barker wrote: > > > On Sun, Jul 10, 2016 at 8:12 PM, Nathan Goldbaum > wrote: > >> >> Maybe this can be an informal BOF session? >> > > or maybe a formal BoF? after all, how formal do they get? > > Anyway, it was my understanding that we really needed to

Re: [Numpy-discussion] Custom Dtype/Units discussion

2016-07-11 Thread Ryan May
On Mon, Jul 11, 2016 at 12:39 PM, Chris Barker wrote: > > Maybe this conversation should be about how to build a more flexible dtype > system generally, rather than specifically about unit support. (though unit > support is a great use-case to focus on) > I agree that a more general solution is

Re: [Numpy-discussion] Custom Dtype/Units discussion

2016-07-11 Thread Chris Barker
On Sun, Jul 10, 2016 at 8:12 PM, Nathan Goldbaum wrote: > > Maybe this can be an informal BOF session? > or maybe a formal BoF? after all, how formal do they get? Anyway, it was my understanding that we really needed to do some significant refactoring of how numpy deals with dtypes in order to

[Numpy-discussion] deterministic, reproducible matmul / __matmult_

2016-07-11 Thread Jason Newton
Hello I'm a long time user of numpy - but an issue I've had with it is making sure I can reproduce the results of a floating point matrix multiplication in other languages/modules (like c or GPU) in another, or across installations. I take great pains in doing this type of work because it allows

Re: [Numpy-discussion] Added atleast_nd, request for clarification/cleanup of atleast_3d

2016-07-11 Thread Joseph Fox-Rabinovitz
I would like to follow up on my original PR (7804). While there appears to be some debate as to whether the PR is numpy material to begin with, there do not appear to be any technical issues with it. To make the decision more straightforward, I factored out the non-controversial bug fixes to masked