Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Robert Kern
On Thu, Dec 8, 2011 at 23:15, Yang Zhang yanghates...@gmail.com wrote: On Tue, Oct 4, 2011 at 12:05 PM, Yang Zhang yanghates...@gmail.com wrote: On Tue, Oct 4, 2011 at 1:28 AM, Robin robi...@gmail.com wrote: On Mon, Oct 3, 2011 at 9:42 PM, Yang Zhang yanghates...@gmail.com wrote: It turns out

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Yang Zhang
On Fri, Dec 9, 2011 at 12:31 AM, Robert Kern robert.k...@gmail.com wrote: On Thu, Dec 8, 2011 at 23:15, Yang Zhang yanghates...@gmail.com wrote: On Tue, Oct 4, 2011 at 12:05 PM, Yang Zhang yanghates...@gmail.com wrote: On Tue, Oct 4, 2011 at 1:28 AM, Robin robi...@gmail.com wrote: On Mon, Oct

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Robert Kern
On Fri, Dec 9, 2011 at 11:00, Yang Zhang yanghates...@gmail.com wrote: Thanks for the clarification.  Alas.  So is there no simple workaround to making numpy work in environments such as Jepp? I don't think so, no. -- Robert Kern I have come to believe that the whole world is an enigma, a

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Vicente Sole
Quoting Robert Kern robert.k...@gmail.com: On Fri, Dec 9, 2011 at 11:00, Yang Zhang yanghates...@gmail.com wrote: Thanks for the clarification.  Alas.  So is there no simple workaround to making numpy work in environments such as Jepp? I don't think so, no. It is far from being an optimal

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Pierre Haessig
Le 09/12/2011 09:31, Robert Kern a écrit : We have some global state that we need to keep, and this gets interfered with in a multiple interpreter environment. I recently got interested in multiprocessing computation with numpy and now I get scare by your statement ! Please don't tell me it is

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Robert Kern
On Fri, Dec 9, 2011 at 13:18, Pierre Haessig pierre.haes...@crans.org wrote: Le 09/12/2011 09:31, Robert Kern a écrit : We have some global state that we need to keep, and this gets interfered with in a multiple interpreter environment. I recently got interested in multiprocessing computation

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Pierre Haessig
Le 09/12/2011 15:00, Robert Kern a écrit : Using multiprocessing is fine. That starts up multiple interpreters in *different* processes. Yang is using a non-Python program that embeds the CPython interpreter and starts up multiple copies of it in the same process. Ok, now I think I understand.

Re: [Numpy-discussion] Long-standing issue with using numpy in embedded CPython

2011-12-09 Thread Peter CYC
Hi Armando, No comment on the Java thing ;-) However, http://www.opengda.org/documentation/manuals/Diamond_SciSoft_Python_Guide/8.18/contents.html is more up-to-date and we are on github too: https://github.com/DiamondLightSource Peter On 9 December 2011 13:05, Vicente Sole s...@esrf.fr

[Numpy-discussion] trouble building numpy 1.6.1 on Scientific Linux 5

2011-12-09 Thread Russell E. Owen
I'm trying to build numpy 1.6.1 on Scientific Linux 5 but the unit tests claim the wrong version of fortran was used. I thought I knew how to avoid that, but it's not working. I don't have atlas (this needs to run on a lot of similar-but-not-identical machines). I believe blas and lapack were

[Numpy-discussion] Problem with using PyArray_AsCArray

2011-12-09 Thread Ng, Enrico
I am trying to pass a multi-dimensional ndarray to C as a multi-dimensional C array for the purposes of passing it to mathematica. I am using PyArray_AsCArray but getting an error. ## Python Code: import Image from scipy.misc import fromimage

[Numpy-discussion] numpy.mean problems

2011-12-09 Thread ferreirafm
Hi everyone, I'm quite new to numpy and python either. Could someone, please, tell me what I'm doing wrong? Here goes my peace of code: def stats(filename): Utilility to perform some basic statistics on columns. tab = get_textab(filename) stat_list = [ ] for row in sort_tab(tab):

Re: [Numpy-discussion] Problem with using PyArray_AsCArray

2011-12-09 Thread Chris.Barker
On 12/9/11 11:25 AM, Ng, Enrico wrote: I am trying to pass a multi-dimensional ndarray to C as a multi-dimensional C array for the purposes of passing it to mathematica. I am using PyArray_AsCArray but getting an error. I understand that SWIG, Boost, et. al are perhaps too heavyweight for

Re: [Numpy-discussion] EXTERNAL: Re: Problem with using PyArray_AsCArray

2011-12-09 Thread Ng, Enrico
I actually figured it out. I went one level down in the array and it took it. -Original Message- From: numpy-discussion-boun...@scipy.org [mailto:numpy-discussion-boun...@scipy.org] On Behalf Of Chris.Barker Sent: Friday, December 09, 2011 3:33 PM To: Discussion of Numerical Python

[Numpy-discussion] Warning related to __multiarray_api.h

2011-12-09 Thread Mads Ipsen
Hi, I don't know if this is of importance, but when I compile code using the numpy C API, I get the warning: site-packages/numpy/core/include/numpy/__multiarray_api.h:1532: warning: 'int _import_array()' defined but not used Might be worth cleaning it up. Best regards, Mads

Re: [Numpy-discussion] numpy.mean problems

2011-12-09 Thread Stéfan van der Walt
On Fri, Dec 9, 2011 at 11:47 AM, ferreirafm ferreir...@lim12.fm.usp.br wrote: Hi everyone, I'm quite new to numpy and python either. Could someone, please, tell me what I'm doing wrong? Here goes my peace of code: def stats(filename):    Utilility to perform some basic statistics on