Re: [Numpy-discussion] Proposed Roadmap Overview

2012-02-29 Thread Travis Oliphant
I Would like to hear the opinions of others on that point, but yes, I think that is an appropriate procedure. Travis -- Travis Oliphant (on a mobile) 512-826-7480 On Feb 29, 2012, at 10:54 AM, Matthew Brett wrote: > Hi, > > On Wed, Feb 29, 2012 at 1:46 AM, Travis Oliphant wrote: >> We

Re: [Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c

2012-02-29 Thread Ralf Gommers
On Wed, Feb 29, 2012 at 11:07 PM, Matt Miller wrote: > More reading of the thread linked solved the issue. To reiterate, add > numpy/ and change .c to .h in line 590 of ieee754.c.src. > > Ex: > > elif defined(__CYGWIN__) >include "numpy/fenv/fenv.h" > endif > Thanks for confirming. Fixed i

Re: [Numpy-discussion] YouTrack License

2012-02-29 Thread Pauli Virtanen
28.02.2012 22:11, Ralf Gommers kirjoitti: [clip] > How about just putting it in a new github repo so everyone can see/review > the mapping between Trac and YouTrack fields? > > We should probably create a basic export from YouTrack script at the > same time, to make sure there's no lock-in. Keepi

Re: [Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c

2012-02-29 Thread Matt Miller
More reading of the thread linked solved the issue. To reiterate, add numpy/ and change .c to .h in line 590 of ieee754.c.src. Ex: elif defined(__CYGWIN__) include "numpy/fenv/fenv.h" endif Thanks, On Wed, Feb 29, 2012 at 1:41 PM, Matt Miller wrote: > That fixed changed my error message

Re: [Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c

2012-02-29 Thread Matt Miller
That fixed changed my error message to this: numpy/core/src/private/lowlevel_strided_loops.h:404:1: warning: ‘PyArray_PrepareThreeRawArrayIter’ declared ‘static’ but never defined numpy/core/src/private/lowlevel_strided_loops.h:430:1: warning: ‘PyArray_PrepareFourRawArrayIter’ declared ‘static’ bu

Re: [Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c:

2012-02-29 Thread Ralf Gommers
On Wed, Feb 29, 2012 at 9:10 PM, Matt Miller wrote: > Hi all, > > I am getting the following error when running `python setup.py install` > for Numpy in Cygwin. This error happens on the latest as well as > the maintenance branched for 1.5 and 1.6. > This should fix it: http://projects.scipy.org

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Charles R Harris
On Wed, Feb 29, 2012 at 1:09 PM, Francesc Alted wrote: > On Feb 29, 2012, at 11:52 AM, Pierre Haessig wrote: > > > Hi, > > > > Le 29/02/2012 16:22, Paweł Biernat a écrit : > >> Is there any way to interact with Fortran's real(16) (supported by gcc > >> and Intel's ifort) data type from numpy? By r

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Paweł Biernat
Pierre Haessig crans.org> writes: > > Hi, > > Le 29/02/2012 16:22, Paweł Biernat a écrit : > > Is there any way to interact with Fortran's real(16) (supported by gcc > > and Intel's ifort) data type from numpy? By real(16) I mean the > > binary128 type as in IEEE 754. (In C this data type is expe

[Numpy-discussion] Cygwin compile: fatal error: fenv/fenv.c:

2012-02-29 Thread Matt Miller
Hi all, I am getting the following error when running `python setup.py install` for Numpy in Cygwin. This error happens on the latest as well as the maintenance branched for 1.5 and 1.6. ... creating build/temp.cygwin-1.7.11-i686-2.6 creating build/temp.cygwin-1.7.11-i686-2.6/build creating build

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Francesc Alted
On Feb 29, 2012, at 11:52 AM, Pierre Haessig wrote: > Hi, > > Le 29/02/2012 16:22, Paweł Biernat a écrit : >> Is there any way to interact with Fortran's real(16) (supported by gcc >> and Intel's ifort) data type from numpy? By real(16) I mean the >> binary128 type as in IEEE 754. (In C this data

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Pierre Haessig
Hi, Le 29/02/2012 16:22, Paweł Biernat a écrit : > Is there any way to interact with Fortran's real(16) (supported by gcc > and Intel's ifort) data type from numpy? By real(16) I mean the > binary128 type as in IEEE 754. (In C this data type is experimentally > supported as __float128 (gcc) and _Q

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread David Cournapeau
On Wed, Feb 29, 2012 at 10:22 AM, Paweł Biernat wrote: > I am completely new to Numpy and I know only the basics of Python, to > this point I was using Fortran 03/08 to write numerical code. However, > I am starting a new large project of mine and I am looking forward to > using Python to call som

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Ralf Gommers
On Wed, Feb 29, 2012 at 7:57 PM, Erin Sheldon wrote: > Excerpts from Nathaniel Smith's message of Wed Feb 29 13:17:53 -0500 2012: > > On Wed, Feb 29, 2012 at 3:11 PM, Erin Sheldon > wrote: > > > Excerpts from Nathaniel Smith's message of Tue Feb 28 17:22:16 -0500 > 2012: > > >> > Even for binary,

Re: [Numpy-discussion] Proposed Roadmap Overview

2012-02-29 Thread John Hunter
On Wed, Feb 29, 2012 at 1:20 PM, Neal Becker wrote: > > Much of Linus's complaints have to do with the use of c++ in the _kernel_. > These objections are quite different for an _application_. For example, > there > are issues with the need for support libraries for exception handling. > Not an

Re: [Numpy-discussion] Proposed Roadmap Overview

2012-02-29 Thread Neal Becker
Charles R Harris wrote: > On Tue, Feb 28, 2012 at 12:05 PM, John Hunter wrote: > >> On Sat, Feb 18, 2012 at 5:09 PM, David Cournapeau wrote: >> >>> >>> There are better languages than C++ that has most of the technical >>> >>> benefits stated in this discussion (rust and D being the most >>> "ob

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Erin Sheldon
Excerpts from Nathaniel Smith's message of Wed Feb 29 13:17:53 -0500 2012: > On Wed, Feb 29, 2012 at 3:11 PM, Erin Sheldon wrote: > > Excerpts from Nathaniel Smith's message of Tue Feb 28 17:22:16 -0500 2012: > >> > Even for binary, there are pathological cases, e.g. 1) reading a random > >> > sub

Re: [Numpy-discussion] Proposed Roadmap Overview

2012-02-29 Thread Matthew Brett
Hi, On Wed, Feb 29, 2012 at 1:46 AM, Travis Oliphant wrote: > We already use the NEP process for such decisions.   This discussion came > from simply from the *idea* of writing such a NEP. > > Nothing has been decided.  Only opinions have been shared that might > influence the NEP.  This is all

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Nathaniel Smith
On Wed, Feb 29, 2012 at 3:11 PM, Erin Sheldon wrote: > Excerpts from Nathaniel Smith's message of Tue Feb 28 17:22:16 -0500 2012: >> > Even for binary, there are pathological cases, e.g. 1) reading a random >> > subset of nearly all rows.  2) reading a single column when rows are >> > small.  In c

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Matthew Brett
Hi, On Wed, Feb 29, 2012 at 12:13 PM, Jonathan Rocher wrote: > Thanks to your question, I discovered that there is a float128 dtype in > numpy > > In[5]: np.__version__ > Out[5]: '1.6.1' > > In[6]: np.float128? > Type:   type > Base Class: > String Form: > Namespace:  Interactive > File: > /

Re: [Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Jonathan Rocher
Thanks to your question, I discovered that there is a float128 dtype in numpy In[5]: np.__version__ Out[5]: '1.6.1' In[6]: np.float128? Type: type Base Class: String Form: Namespace: Interactive File: /Library/Frameworks/Python.framework/Versions/7.2/lib/python2.7/site-packages/numpy/__in

Re: [Numpy-discussion] Proposed Roadmap Overview

2012-02-29 Thread Fernando Perez
On Tue, Feb 28, 2012 at 11:28 PM, Mark Wiebe wrote: > The development approach I really like is to start with a relatively rough > NEP, then cycle through feedback, updating the NEP, and implementation. > Organizing ones thoughts to describe them in a design document can often > clarify things tha

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Robert Kern
On Wed, Feb 29, 2012 at 15:11, Erin Sheldon wrote: > Excerpts from Nathaniel Smith's message of Tue Feb 28 17:22:16 -0500 2012: >> > Even for binary, there are pathological cases, e.g. 1) reading a random >> > subset of nearly all rows.  2) reading a single column when rows are >> > small.  In cas

[Numpy-discussion] [Numpy] quadruple precision

2012-02-29 Thread Paweł Biernat
I am completely new to Numpy and I know only the basics of Python, to this point I was using Fortran 03/08 to write numerical code. However, I am starting a new large project of mine and I am looking forward to using Python to call some low level Fortran code responsible for most of the intensive n

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Erin Sheldon
Excerpts from Erin Sheldon's message of Wed Feb 29 10:11:51 -0500 2012: > Actually, for numpy.memmap you will read the whole file if you try to > grab a single column and read a large fraction of the rows. Here is an That should have been: "...read *all* the rows". -e -- Erin Scott Sheldon Broo

Re: [Numpy-discussion] Possible roadmap addendum: building better text file readers

2012-02-29 Thread Erin Sheldon
Excerpts from Nathaniel Smith's message of Tue Feb 28 17:22:16 -0500 2012: > > Even for binary, there are pathological cases, e.g. 1) reading a random > > subset of nearly all rows.  2) reading a single column when rows are > > small.  In case 2 you will only go this route in the first place if you