[SciPy-user] lpmn - python crash with AMD processor

Nils Wagner nwagner@iam.uni-stuttgart...
Sun Jan 6 10:52:31 CST 2008


On Sun,  6 Jan 2008 17:17:16 +0100 (CET)
  ennesnospam1@aeroakustik.de wrote:
> Hi all,
> I have got a strange problem using lpmn from 
>scipy.special under Win XP
> (32bit).
> Everything works fine as long as I am on a machine with 
>Intel (pentium,
> centrino) processor. On an AMD based machine the 
>function lpmn crashes
> if either the first or second argument is <>0.
> 
>>>> >>> from scipy import special
>>>> >>> special.lpmn(0,0,0.1)
> (array([[ 1.]]), array([[ 0.]]))
>>>> >>> special.lpmn(0,1,0.1)
> (PYTHON CRASH)
> 
> The actual crash seems to happen inside the compiled 
>module specfun.pyd.
> 
> Does anyone have an idea how to deal with this?
> 
> Many thanks in advance,
> Ennes
> 
> 
> 
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I cannot reproduce your problem here (AMD processor).

>>> from scipy import special
>>> special.lpmn(0,1,0.1)
(array([[ 1. ,  0.1]]), array([[ 0.,  1.]]))
>>> special.lpmn(0,0,0.1)
(array([[ 1.]]), array([[ 0.]]))
>>> import scipy
>>> scipy.__version__
'0.7.0.dev3780'
>>> import os, sys
>>>
>>>
>>> os.system("uname -a")
Linux noname 2.6.18.8-0.7-default #1 SMP Tue Oct 2 
17:21:08 UTC 2007 x86_64 x86_64 x86_64 GNU/Linux
  
Nils


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