[SciPy-User] ANN: SciPy 0.11.0 beta 1 released

[Ralf Gommers]

On Mon, Jun 25, 2012 at 11:21 PM, <josef.pktd at gmail.com> wrote:

> On Thu, Jun 14, 2012 at 2:33 PM, Christoph Gohlke <cgohlke at uci.edu> wrote:
> >
> >
> > On 6/13/2012 10:56 AM, Ralf Gommers wrote:
> >> Hi,
> >>
> >> I am pleased to announce the availability of the first beta release of
> >> SciPy 0.11.0. For this release over 120 tickets and pull requests have
> >> been closed, and many new features have been added. Also noteworthy is
> >> that the number of contributors for this release has risen to over 50.
> >> Some of the highlights are:
> >>
> >>    - A new module, sparse.csgraph, has been added which provides a
> >> number of common sparse graph algorithms.
> >>    - New unified interfaces to the existing optimization and root
> >> finding functions have been added.
> >>
> >> Sources and binaries can be found at
> >> http://sourceforge.net/projects/scipy/files/scipy/0.11.0b1/, release
> >> notes are copied below.
> >>
> >> Please try this release and report any problems on the mailing list.
> >>
> >> Cheers,
> >> Ralf
> >>
> >
> > Hi Ralf,
> >
> > Using msvc9/MKL builds and numpy 1.6.2:
> >
> > All tests pass on win-amd64-py2.7 and win32-py2.7 (except for the known
> > ndimage.test_datatypes.test_uint64_max failure on win32).
> >
> > test_smoke_bisplrep_bisplev fails on win-amd64-py3.2 and win32-py3.2.
> >
> > test_shortest_path.test_shortest_path_indices fails on win-amd64-py3.2.
> >
> > Christoph
> >
> >
> > ======================================================================
> > ERROR: test_smoke_bisplrep_bisplev (test_fitpack.TestSmokeTests)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> >   File
> >
> "X:\Python32-x32\lib\site-packages\scipy\interpolate\tests\test_fitpack.py",
> > line 219, in test_smoke_bisplrep_bisplev
> >     self.check_5()
> >   File
> >
> "X:\Python32-x32\lib\site-packages\scipy\interpolate\tests\test_fitpack.py",
> > line 180, in check_5
> >     xy=makepairs(x,y)
> >   File
> >
> "X:\Python32-x32\lib\site-packages\scipy\interpolate\tests\test_fitpack.py",
> > line 32, in makepairs
> >     xy.shape=sh[0]*sh[1],sh[2]
> > IndexError: tuple index out of range
> >
> > ======================================================================
> > FAIL: test_shortest_path.test_shortest_path_indices(array([[ 0.   ,  3.
> >   ,  3.   ,  1.   ,  2.858],
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> >   File "X:\Python32\lib\site-packages\nose\case.py", line 198, in runTest
> >     self.test(*self.arg)
> >   File "X:\Python32\lib\site-packages\numpy\testing\utils.py", line
> > 800, in assert_array_almost_equal
> >     header=('Arrays are not almost equal to %d decimals' % decimal))
> >   File "X:\Python32\lib\site-packages\numpy\testing\utils.py", line
> > 636, in assert_array_compare
> >     raise AssertionError(msg)
> > AssertionError:
> > Arrays are not almost equal to 6 decimals
> >
> > (mismatch 15.0%)
> >  x: array([[ 0.        ,  3.        ,  3.        ,  1.        ,
> > 2.85772861],
> >        [ 3.        ,  0.        ,  6.        ,  2.        ,  4.        ],
> >        [ 3.        ,  6.        ,  0.        ,  4.        ,  5.85772861],
> >        [ 1.        ,  2.        ,  4.        ,  0.        ,
>  2.85772861]])
> >  y: array([[ 0.,  3.,  3.,  1.,  2.],
> >        [ 3.,  0.,  6.,  2.,  4.],
> >        [ 3.,  6.,  0.,  4.,  5.],
> >        [ 1.,  2.,  4.,  0.,  2.]])
> >
> > ----------------------------------------------------------------------
> > _______________________________________________
> > SciPy-User mailing list
> > SciPy-User at scipy.org
> > http://mail.scipy.org/mailman/listinfo/scipy-user
>
> A late bug:
>
> During Debian testing of statsmodels on various machines, we found
> http://projects.scipy.org/scipy/ticket/1680
>
> >From what I have found, dtypes like np.dtype('<f8') don't work
> correctly on Big Endian machines.
>
> The umfpack wrapper uses '<' at the two places in the ticket.
>
> >From fixing similar bugs in statsmodels, the change would be just to
> drop the '<' from the dtype string.
>
> My current solution for statsmodels is to use spsolve with
> use_umfpack=False on Big Endian machines.
>
> Would be good if this could still be changed for 0.11.
>
> I don't know much about exotic machines, but dropping '<' looks
> innocent enough to me.
>

Looks like the correct fix, no problem including that.

>
> I also don't understand the globals for useUmfpack enought to figure
> out whether the tests in
> scipy\sparse\linalg\dsolve\tests\test_linsolve.py  actually test the
> umfpack version.
>

Looks to me like Umfpack is tested if available.

Ralf
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