Re: [Numpy-discussion] [pytables-dev] ANN: PyTables 3.2.1 released

2015-08-04 Thread Anthony Scopatz
Congrats! On Mon, Aug 3, 2015 at 7:38 PM Andrea Bedini and...@andreabedini.com wrote: === Announcing PyTables 3.2.1 === We are happy to announce PyTables 3.2.1. What's new == This is a bug fix release. It contains a fix for a

Re: [Numpy-discussion] ANN: Scipy 0.15.0 release

2015-01-11 Thread Anthony Scopatz
Congrats all! On Sun, Jan 11, 2015 at 9:50 PM, cjw c...@ncf.ca wrote: Paul, Wot, no AMD64? Colin W. On 11-Jan-15 12:50 PM, Paul Virtanen wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear all, We are pleased to announce the Scipy 0.15.0 release. The 0.15.0 release

[Numpy-discussion] Return item rather than scalar for user defined types

2014-08-26 Thread Anthony Scopatz
Hello All, Yesterday I opened PR #4889 https://github.com/numpy/numpy/pull/4998 to solve a problem I have been having w.r.t. xdress and Nathaniel asked me bring the issue up here. The PR itself is quite small (6 lines?) and is easy to review. The opening text of my PR is pasted below because I

Re: [Numpy-discussion] ANN: bcolz 0.7.0 released

2014-07-22 Thread Anthony Scopatz
Congrats Francesc! On Tue, Jul 22, 2014 at 9:53 AM, Francesc Alted fal...@gmail.com wrote: == Announcing bcolz 0.7.0 == What's new == In this release, support for Python 3 has been added, Pandas and HDF5/PyTables conversion, support for

Re: [Numpy-discussion] It looks like Py 3.5 will include a dedicated infix matrix multiply operator

2014-03-16 Thread Anthony Scopatz
This is awesome! Congrats! On Sun, Mar 16, 2014 at 9:39 AM, Eelco Hoogendoorn hoogendoorn.ee...@gmail.com wrote: Note that I am not opposed to extra operators in python, and only mildly opposed to a matrix multiplication operator in numpy; but let me lay out the case against, for your

[Numpy-discussion] ANN: SciPy 2014 Conference, July 6th - 12th, Austin, TX!

2014-03-13 Thread Anthony Scopatz
Hello All! I am pleased to announce that *SciPy 2014*, the thirteenth annual *Scientific Computing with Python conference*, will be held this July 6th-12th in Austin, Texas. SciPy is a community dedicated to the advancement of scientific computing through open source Python software for

Re: [Numpy-discussion] ANN: XDress v0.4

2014-02-27 Thread Anthony Scopatz
at 1:24 AM, Anthony Scopatz scop...@gmail.comwrote: Hello All, I am *extremely *pleased to be able to announce the version 0.4 release of xdress. This version contains much anticipated full support for Clang as a parser! This is almost entirely due to the efforts of Geoffrey Irving. Please

[Numpy-discussion] ndarray is not a sequence

2014-02-27 Thread Anthony Scopatz
Hello All, The semantics of this seem quite insane to me: In [1]: import numpy as np In [2]: import collections In [4]: isinstance(np.arange(5), collections.Sequence) Out[4]: False In [6]: np.version.full_version Out[6]: '1.9.0.dev-eb40f65' Is there any possibility that ndarray could inherit

[Numpy-discussion] ANN: XDress v0.4

2014-02-26 Thread Anthony Scopatz
is very welcome! Authors http://xdress.org/previous/0.4_release_notes.html#authors - Anthony Scopatz http://scopatz.com/ - Geoffrey Irving * - James Casbon * - Kevin Tew * - Spencer Lyon - John Wiggins - Matt McCormick - Brad Buran - Chris Harris * - Gerald Dalley

Re: [Numpy-discussion] Quaternion type @ rosettacode.org

2014-01-02 Thread Anthony Scopatz
Hello David, There is a numpy-quarterion repo that has served me well in the past. I believe this came out of a SciPy 2011 sprint. See https://github.com/martinling/numpy_quaternion. I hope this helps. Be Well Anthony On Thu, Jan 2, 2014 at 12:29 PM, David Goldsmith

[Numpy-discussion] ANN: XDress v0.3 Release

2013-08-09 Thread Anthony Scopatz
team, or writing your own code generation plugin tool, please let us know. Participation is very welcome! Authors === - [Anthony Scopatz](http://scopatz.com/) - Spencer Lyon - John Wiggins * - Matt McCormick * - Brad Buran An * indicates a first time contributor. Links = 1. Homepage

Re: [Numpy-discussion] restricting object arrays to a single Python type

2013-07-16 Thread Anthony Scopatz
Hi Geoffrey, Not to toot my own horn here too much, but you really should have a look at xdress (http://xdress.org/ and https://github.com/xdress/xdress). XDress will generate a wrapper of the Force class for you and then also create a custom numpy dtype for this class. In this way, you could

Re: [Numpy-discussion] restricting object arrays to a single Python type

2013-07-16 Thread Anthony Scopatz
Hey Geoffrey, Let's definitely take this off (this) list. The discussion could get involved :). Be Well Anthony On Tue, Jul 16, 2013 at 7:15 PM, Geoffrey Irving irv...@naml.us wrote: On Tue, Jul 16, 2013 at 4:51 PM, Anthony Scopatz scop...@gmail.com wrote: Hi Geoffrey, Not to toot my

Re: [Numpy-discussion] restricting object arrays to a single Python type

2013-07-16 Thread Anthony Scopatz
On Tue, Jul 16, 2013 at 7:15 PM, Geoffrey Irving irv...@naml.us wrote: On Tue, Jul 16, 2013 at 4:51 PM, Anthony Scopatz scop...@gmail.com wrote: Hi Geoffrey, Not to toot my own horn here too much, but you really should have a look at xdress (http://xdress.org/ and https://github.com

[Numpy-discussion] ANN: XDress v0.2

2013-06-24 Thread Anthony Scopatz
help), contributing back to xdress, starting up a development team, or writing your own code generation plugin tool on top of the type system and autodescriber, please let us know. Participation is very welcome! Authors === - `Anthony Scopatz http://scopatz.com/`_ - Spencer Lyon * - Gerald

[Numpy-discussion] ANN: PyTables 3.0

2013-06-02 Thread Anthony Scopatz
=== Announcing PyTables 3.0.0 === We are happy to announce PyTables 3.0.0. PyTables 3.0.0 comes after about 5 years from the last major release (2.0) and 7 months since the last stable release (2.4.0). This is new major release and an important

Re: [Numpy-discussion] [Pytables-users] ANN: numexpr 2.1 (Python 3 support is here!)

2013-04-27 Thread Anthony Scopatz
Congrats Francesc! On Sat, Apr 27, 2013 at 5:07 AM, Francesc Alted fal...@gmail.com wrote: Announcing Numexpr 2.1 Numexpr is a fast numerical expression evaluator for NumPy. With it, expressions that operate on arrays (like 3*a+4*b) are

Re: [Numpy-discussion] Time Zones and datetime64

2013-04-12 Thread Anthony Scopatz
Thanks for putting this together Chris. I am in favor of option (1) Pure UTC. I think it is the simplest to implement, and to get from / to other time zones is one ufunc application. On the other hand, option (3) full time zone support isn't too bad either. It is more work to implement but a

Re: [Numpy-discussion] Proposal to drop python 2.4 support in numpy 1.8

2012-12-13 Thread Anthony Scopatz
+1, if someone wants to use an older version of Python they can use an older version of numpy. On Thu, Dec 13, 2012 at 10:36 AM, Travis Oliphant tra...@continuum.iowrote: A big +1 from me --- but I don't have anyone I know using 2.4 anymore -Travis On Dec 13, 2012, at 10:34 AM,

Re: [Numpy-discussion] In case anybody wants them: py4science.* domains...

2012-11-27 Thread Anthony Scopatz
On Tue, Nov 27, 2012 at 2:08 PM, Fernando Perez fperez@gmail.comwrote: On Thu, Nov 22, 2012 at 1:30 AM, Peter Cock p.j.a.c...@googlemail.com wrote: Perhaps http://numfocus.org/ could take them on, or the PSF? (even if they don't have a specific use in mind immediately) For the short

Re: [Numpy-discussion] In case anybody wants them: py4science.* domains...

2012-11-27 Thread Anthony Scopatz
On Tue, Nov 27, 2012 at 3:51 PM, Peter Cock p.j.a.c...@googlemail.comwrote: On Tue, Nov 27, 2012 at 9:25 PM, Anthony Scopatz scop...@gmail.com wrote: On Tue, Nov 27, 2012 at 2:08 PM, Fernando Perez fperez@gmail.com wrote: On Thu, Nov 22, 2012 at 1:30 AM, Peter Cock p.j.a.c

Re: [Numpy-discussion] Scipy dot

2012-11-08 Thread Anthony Scopatz
On Thu, Nov 8, 2012 at 7:06 AM, David Cournapeau courn...@gmail.com wrote: On Thu, Nov 8, 2012 at 12:12 PM, Dag Sverre Seljebotn d.s.seljeb...@astro.uio.no wrote: On 11/08/2012 01:07 PM, Gael Varoquaux wrote: On Thu, Nov 08, 2012 at 11:28:21AM +, Nathaniel Smith wrote: I think

Re: [Numpy-discussion] ufuncs for structured arrays

2012-10-04 Thread Anthony Scopatz
On Thu, Oct 4, 2012 at 12:23 PM, Jay Bourque jay.bour...@continuum.iowrote: Hey Anthony, thanks for the comments. On Mon, Oct 1, 2012 at 10:32 PM, Anthony Scopatz scop...@gmail.comwrote: Hello Jay, Cool idea! I like to see work on structured arrays. Just a couple of questions

Re: [Numpy-discussion] Making numpy sensible: backward compatibility please

2012-10-01 Thread Anthony Scopatz
On Mon, Oct 1, 2012 at 2:32 PM, Chris Barker chris.bar...@noaa.gov wrote: On Sat, Sep 29, 2012 at 2:16 AM, Gael Varoquaux gael.varoqu...@normalesup.org wrote: Next time I see you, I owe you a beer for making you cross :). If I curse at you, will I get a beer too? Wow! This is taking a

Re: [Numpy-discussion] ufuncs for structured arrays

2012-10-01 Thread Anthony Scopatz
Hello Jay, Cool idea! I like to see work on structured arrays. Just a couple of questions: - Since there are already have ufuncs for primitive dtypes (int, float, etc), and you are just acting columnwise here, can't you write a single function which interprets the dtypes, gathers the

Re: [Numpy-discussion] Making numpy sensible: backward compatibility please

2012-09-28 Thread Anthony Scopatz
On Fri, Sep 28, 2012 at 7:44 PM, Fernando Perez fperez@gmail.comwrote: On Fri, Sep 28, 2012 at 3:11 PM, Charles R Harris charlesr.har...@gmail.com wrote: Bitch, bitch, bitch. Look, I know you are pissed and venting a bit, but this problem could have been detected and reported 6 months

Re: [Numpy-discussion] numpy sort is not working

2012-09-11 Thread Anthony Scopatz
On Tue, Sep 11, 2012 at 12:52 AM, Jadhav, Alok alok.jad...@credit-suisse.com wrote: Hi Travis, ** ** Very Strange. I am on version 1.6.2 L What could I be missing. I started using numpy quite recently. Is there a way to share the data with you? Hi Alok, Typically, a

[Numpy-discussion] ANN: PyTables 2.4.0 released

2012-07-20 Thread Anthony Scopatz
== Announcing PyTables 2.4.0 == We are happy to announce PyTables 2.4.0. This is an incremental release which includes many changes to prepare for future Python 3 support. What's new == This release includes support for the float16 data

Re: [Numpy-discussion] Select-based median (in light of code freeze)

2012-07-15 Thread Anthony Scopatz
On Sun, Jul 15, 2012 at 9:26 PM, Travis Oliphant tra...@continuum.iowrote: That reminds me. How many NumPy devs are going to be at SciPy this year?It would be good to have a NumPy sprint there. Ideas for what we could work on: 1) Make progress on the 1.7.0 release 2) Make progress on

Re: [Numpy-discussion] Extracting sub-fields from an array as a view (PR 350)

2012-07-14 Thread Anthony Scopatz
+1 for more views. I agree with Fred about bundling the changes together. On Sat, Jul 14, 2012 at 6:17 PM, Frédéric Bastien no...@nouiz.org wrote: I think it is better that we bundle those change together. As it is done for diagonal, doing it for this case as fine too. Fred On Sat, Jul

Re: [Numpy-discussion] Numpy logo in VTK

2012-06-26 Thread Anthony Scopatz
This is awesome! On Mon, Jun 25, 2012 at 5:27 AM, klo uo klo...@gmail.com wrote: I was reading mayavi documentation and one of the examples (tvtk.ImageData) resembled Numpy logo grid. I added barchart and tweaked a bit colormap and thought to post it for fun:

[Numpy-discussion] fromstring() is slow, no really!

2012-05-13 Thread Anthony Scopatz
Hello All, This week, while doing some optimization, I found that np.fromstring() is significantly slower than many alternatives out there. This function basically does two things: (1) it splits the string and (2) it converts the data to the desired type. There isn't much we can do about the

Re: [Numpy-discussion] fromstring() is slow, no really!

2012-05-13 Thread Anthony Scopatz
And I forgot to attach the relevant code (though it is also in my fork)... On Sun, May 13, 2012 at 6:28 PM, Anthony Scopatz scop...@gmail.com wrote: Hello All, This week, while doing some optimization, I found that np.fromstring() is significantly slower than many alternatives out

Re: [Numpy-discussion] saving groups of numpy arrays to disk

2011-08-24 Thread Anthony Scopatz
On Sun, Aug 21, 2011 at 7:24 AM, Pauli Virtanen p...@iki.fi wrote: On Sat, 20 Aug 2011 16:18:55 -0700, Chris Withers wrote: I've got a tree of nested dicts that at their leaves end in numpy arrays of identical sizes. What's the easiest way to persist these to disk so that I can pick up

Re: [Numpy-discussion] c-info.ufunc-tutorial.rst

2011-08-24 Thread Anthony Scopatz
code-block:: is a directive that I think might be specific to sphinx. Naturally, github's renderer will drop it. On Wed, Aug 24, 2011 at 7:10 PM, Mark Wiebe mwwi...@gmail.com wrote: On Wed, Aug 24, 2011 at 5:05 PM, srean srean.l...@gmail.com wrote: Following up on my own question: I can see

Re: [Numpy-discussion] structured array indexing oddity

2011-03-15 Thread Anthony Scopatz
Hi Matt, Actually, based on what is happening under the covers I think this behavior makes sense. a['f2'] would in theory grab the whole column, and so 'f2' not existing is a field error. a[0] on the other hand grabs the first row from the full structured array and treats this as (key, value)

[Numpy-discussion] ANN: inSCIght, The Scientific Computing Podcast

2011-02-23 Thread Anthony Scopatz
Hello All, I am very pleased to announce inSCIght, a new scientific computing podcast (press release below). I apologize for those of you in the intersection of these lists that may receive this message multiple times. As I mention in the press release, we are very open to your contributions!

Re: [Numpy-discussion] unicode string for specifying dtype

2010-11-17 Thread Anthony Scopatz
Hi Antony This seems to work for me... What version of python/numpy are you using? Be Well Anthony On Tue, Nov 16, 2010 at 11:33 PM, Antony Lee antony@berkeley.eduwrote: I just ran into the following: np.dtype(uf4) Traceback (most recent call last): File stdin, line 1, in module