Re: [Numpy-discussion] Test error with ATLAS, Windows 64 bit

2014-04-23 Thread Matthew Brett
Hi, On Wed, Apr 23, 2014 at 2:27 PM, Julian Taylor wrote: > On 23.04.2014 21:25, Matthew Brett wrote: >> Hi, >> >> On Tue, Apr 15, 2014 at 12:34 AM, Julian Taylor >> wrote: >>> On Tue, Apr 15, 2014 at 4:30 AM, Matthew Brett >>> wrote: It looks as though mingw-w64 is at fault, and I w

Re: [Numpy-discussion] Dates and times and Datetime64 (again)

2014-04-23 Thread Sankarshan Mudkavi
Thank you very much, I will incorporate it! I've been quite busy for the past few weeks but I should be much freer after next week and can pick up on this (fixing the code and actually implement things). Cheers, Sankarshan On Apr 23, 2014, at 5:58 PM, Chris Barker wrote: > On Wed, Mar 19, 20

Re: [Numpy-discussion] Dates and times and Datetime64 (again)

2014-04-23 Thread Chris Barker
On Wed, Mar 19, 2014 at 7:07 PM, Sankarshan Mudkavi wrote: > > I've written a rather rudimentary NEP, (lacking in technical details which > I will hopefully add after some further discussion and receiving > clarification/help on this thread). > > Please let me know how to proceed and what you thin

Re: [Numpy-discussion] Test error with ATLAS, Windows 64 bit

2014-04-23 Thread Julian Taylor
On 23.04.2014 21:25, Matthew Brett wrote: > Hi, > > On Tue, Apr 15, 2014 at 12:34 AM, Julian Taylor > wrote: >> On Tue, Apr 15, 2014 at 4:30 AM, Matthew Brett >> wrote: >>> >>> It looks as though mingw-w64 is at fault, and I was confused (still >>> am) because of the different behavior with dou

Re: [Numpy-discussion] 1.9.x branch

2014-04-23 Thread Chris Barker
On Tue, Apr 22, 2014 at 2:35 PM, Charles R Harris wrote: > *Datetime timezone handling broken in > 1.7.x* > > I don't think there is time to get this done for 1.9.0 and it needs to be > pushed off to 1.10.0. > > *

Re: [Numpy-discussion] Test error with ATLAS, Windows 64 bit

2014-04-23 Thread Matthew Brett
Hi, On Tue, Apr 15, 2014 at 12:34 AM, Julian Taylor wrote: > On Tue, Apr 15, 2014 at 4:30 AM, Matthew Brett > wrote: >> >> It looks as though mingw-w64 is at fault, and I was confused (still >> am) because of the different behavior with double and a constant: >> >> #include >> #include >> >>

Re: [Numpy-discussion] Slightly off-topic - accuracy of C exp function?

2014-04-23 Thread Matthew Brett
Hi, On Wed, Apr 23, 2014 at 1:43 AM, Nathaniel Smith wrote: > On Wed, Apr 23, 2014 at 6:22 AM, Matthew Brett > wrote: >> Hi, >> >> I'm exploring Mingw-w64 for numpy building, and I've found it gives a >> slightly different answer for 'exp' than - say - gcc on OSX. >> >> The difference is of the

[Numpy-discussion] ANN: DistArray 0.2 -- first public development release

2014-04-23 Thread Kurt Smith
GitHub repo: https://github.com/enthought/distarray Documentation: http://distarray.readthedocs.org License: Three-clause BSD Python versions: 2.7 and 3.3 OS support: *nix and Mac OS X DistArray aims to bring the strengths of NumPy to data-parallel high-performance computing. It provides dist

Re: [Numpy-discussion] numerical gradient, Jacobian, and Hessian

2014-04-23 Thread Neal Becker
alex wrote: > On Mon, Apr 21, 2014 at 3:13 AM, Eelco Hoogendoorn > wrote: >> As far as I can tell, [Theano] is actually the only tensor/ndarray aware >> differentiator out there > > And AlgoPy, a tensor/ndarray aware arbitrary order automatic > differentiator (https://pythonhosted.org/algopy/)

Re: [Numpy-discussion] 1.9.x branch

2014-04-23 Thread josef . pktd
On Wed, Apr 23, 2014 at 5:32 AM, Sebastian Berg wrote: > On Di, 2014-04-22 at 15:35 -0600, Charles R Harris wrote: >> Hi All, >> >> >> I'd like to branch 1.9.x at the end of the month. There are a couple >> of reasons for the timing. First, we have a lot of new stuff in the >> development branch.

Re: [Numpy-discussion] 1.9.x branch

2014-04-23 Thread Sebastian Berg
On Di, 2014-04-22 at 15:35 -0600, Charles R Harris wrote: > Hi All, > > > I'd like to branch 1.9.x at the end of the month. There are a couple > of reasons for the timing. First, we have a lot of new stuff in the > development branch. Second, there is work ongoing in masked arrays > that I'd like

Re: [Numpy-discussion] Slightly off-topic - accuracy of C exp function?

2014-04-23 Thread David Cournapeau
On Wed, Apr 23, 2014 at 9:43 AM, Nathaniel Smith wrote: > On Wed, Apr 23, 2014 at 6:22 AM, Matthew Brett > wrote: > > Hi, > > > > I'm exploring Mingw-w64 for numpy building, and I've found it gives a > > slightly different answer for 'exp' than - say - gcc on OSX. > > > > The difference is of th

Re: [Numpy-discussion] Slightly off-topic - accuracy of C exp function?

2014-04-23 Thread Nathaniel Smith
On Wed, Apr 23, 2014 at 6:22 AM, Matthew Brett wrote: > Hi, > > I'm exploring Mingw-w64 for numpy building, and I've found it gives a > slightly different answer for 'exp' than - say - gcc on OSX. > > The difference is of the order of the eps value for the output number > (2 * eps for a result of