[SciPy-dev] St9bad_alloc
Nils Wagner
nwagner at iam.uni-stuttgart.de
Mon Jun 18 09:43:02 EDT 2007
Maik Trömel wrote:
> Here is a small example:
>
> ################################
> from numpy import *
> from scipy import *
> from numpy.random import *
> from scipy.sandbox.delaunay import *
>
> index_y= []
> index_x = []
> value = []
> for i in range(200):
> index_y.append(randint(10,2500))
> index_x.append(randint(10,2500))
> value.append(randint(-10,10))
>
> nwyx = indices((2600, 2548))
> tri = Triangulation(index_y, index_x)
> interp = tri.nn_interpolator(value)
> nwwert = interp(nwyx[0], nwyx[1])
>
> print nwwert
> ################################
>
>
> If i split the funktion "interp()" into four sub-matrizes like
> ################################
> nwwert = zeros((2600, 2548))
> nwwert[0:1300, 0:1300] = interp(nwyx[0][0:1300, 0:1300], nwyx[1][0:1300, 0:1300]))
> nwwert[0:1300, 0:2548] = interp(nwyx[0][0:1300, 0:2548], nwyx[1][0:1300, 0:2548]))
> ...
> ################################
> the script crashes always at the same sub-matrix. Regardless in which order I process the sub-matrixes.
>
> Maik
>
>
>> Maik Trömel wrote:
>>
>>> Hello List,
>>>
>>> I've got some problems with Scipy/sandbox/delaunay.
>>> Everytime I run my script the following error occures:
>>> terminate called after throwing an instance of 'std::bad_alloc'
>>> what(): St9bad_alloc
>>>
>>> Does anybody know what this means? And what I can do to avoid this error?
>>>
>>>
>> This means that dynamic allocation failed in some of the C++ code for
>> delaunay.
>>
>>> I have postet in several forums, but nowbody could help me.
>>>
>> Well, we would need more details: can you reproduce the problem on a
>> small, self contained example ?
>>
>> David
>> _______________________________________________
>> Scipy-dev mailing list
>> Scipy-dev at scipy.org
>> http://projects.scipy.org/mailman/listinfo/scipy-dev
>>
>>
>
>
> _____________________________________________________________________
> Der WEB.DE SmartSurfer hilft bis zu 70% Ihrer Onlinekosten zu sparen!
> http://smartsurfer.web.de/?mc=100071&distributionid=000000000066
>
> _______________________________________________
> Scipy-dev mailing list
> Scipy-dev at scipy.org
> http://projects.scipy.org/mailman/listinfo/scipy-dev
>
I cannot reproduce the crash but
python -i delaunay.py
[[ nan nan
nan ..., nan
nan nan]
[ nan nan
nan ..., nan
nan nan]
[ nan nan
nan ..., nan
nan nan]
...,
[ nan nan
nan ..., nan
nan nan]
[ nan nan
nan ..., nan
nan nan]
[ nan nan
nan ..., nan
nan nan]]
Nils
-------------- next part --------------
A non-text attachment was scrubbed...
Name: delaunay.py
Type: text/x-python
Size: 436 bytes
Desc: not available
URL: <http://mail.python.org/pipermail/scipy-dev/attachments/20070618/3fd1544d/attachment.py>
More information about the SciPy-Dev
mailing list