[SciPy-User] [ANN] Bottleneck 0.5.0 released

Christoph Gohlke cgohlke at uci.edu
Sat Aug 13 11:09:55 EDT 2011



On 8/13/2011 6:54 AM, Stef Mientki wrote:
> hello,
>
> is it possible to create a windows executable
> (a lot of windows users can't compile C-code).
>
> I tried the prebuild versions from:
> http://www.lfd.uci.edu/~gohlke/pythonlibs/#bottleneck
>
> but the fast routines are all missing there.

I don't see anything missing. Tests and benchmarks yield expected 
results using numpy 1.6.1.

What's the output of `import bottleneck as bn;bn.test()` (requires nose 
1.x)?

Christoph

>
> thanks,
> Stef
>
> On 13-06-2011 23:35, Keith Goodman wrote:
>> Bottleneck is a collection of fast NumPy array functions written in
>> Cython. It contains functions like median, nanmedian, nanargmax,
>> move_max, rankdata.
>>
>> The fifth release of bottleneck adds four new functions, comes in a
>> single source distribution instead of separate 32 and 64 bit versions,
>> and contains bug fixes.
>>
>> J. David Lee wrote the C-code implementation of the double heap moving
>> window median.
>>
>> New functions:
>> - move_median(), moving window median
>> - partsort(), partial sort
>> - argpartsort()
>> - ss(), sum of squares, faster version of scipy.stats.ss
>>
>> Changes:
>> - Single source distribution instead of separate 32 and 64 bit versions
>> - nanmax and nanmin now follow Numpy 1.6 (not 1.5.1) when input is all NaN
>>
>> Bug fixes:
>> - #14 Support python 2.5 by importing `with` statement
>> - #22 nanmedian wrong for particular ordering of NaN and non-NaN elements
>> - #26 argpartsort, nanargmin, nanargmax returned wrong dtype on 64-bit Windows
>> - #29 rankdata and nanrankdata crashed on 64-bit Windows
>>
>> download
>>     http://pypi.python.org/pypi/Bottleneck
>> docs
>>     http://berkeleyanalytics.com/bottleneck
>> code
>>     http://github.com/kwgoodman/bottleneck
>> mailing list
>>     http://groups.google.com/group/bottle-neck
>> mailing list 2
>>     http://mail.scipy.org/mailman/listinfo/scipy-user
>> _______________________________________________
>> SciPy-User mailing list
>> SciPy-User at scipy.org
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>
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