[SciPy-Dev] [SciPy-User] ANN: SciPy 0.11.0 release candidate 2

[Ralf Gommers]

On Tue, Aug 14, 2012 at 12:09 AM, Christoph Gohlke <cgohlke at uci.edu> wrote:

> On 8/13/2012 11:30 AM, Ralf Gommers wrote:
> > Hi,
> >
> > I am pleased to announce the availability of the second release
> > candidate of SciPy 0.11.0. For this release many new features have been
> > added, and over 120 tickets and pull requests have been closed. 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/0.11.0rc2/, release
> > notes are copied below.
> >
> > For this release candidate all known issues (with the exception of one
> > Qhull issue on Debian, s390x platform) have been solved. In the meantime
> > also OS X 10.8 was released, this RC contains a few build fixes for that
> > platform.
> >
> > If no more serious issues are reported, the final release will be in one
> > week.
> >
> > Cheers,
> > Ralf
>
>
> Hi Ralf,
>
> test_qz_double_sort is now failing in all msvc9/MKL builds (Python 2.6
> to 3.2, 32 and 64 bit):
>

Hmm, I think that that excludes anything compiler or ATLAS specific.

This is the only test which really checks the results are correct for float
input, almost all the other test only check that the output of qz is
self-consistent (no hard-coded expected output). It seems that a couple
more tests would be helpful.

This issue has held up the release for too long already, so unless someone
has time to get it resolved this week, I propose the following:
  1. Figure out if the problem is the sort function or something else.
  2. If it's sort, disable it. Otherwise remove the qz function from the
0.11.x branch.

Ralf


>
> FAIL: test_qz_double_sort (test_decomp.TestQZ)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>    File
> "X:\Python32\lib\site-packages\scipy\linalg\tests\test_decomp.py", line
> 1728, in test_qz_double_sort
>      [  0.    ,   0.    ,   0.    , -12.8217]]), 4)
>    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 4 decimals
>
> (mismatch 62.5%)
>   x: array([[-14.66007968, -27.25220511, -31.55732717, -29.0823765 ],
>         [  0.        ,  30.23027809,  42.47668118,  52.55438253],
>         [  0.        ,   0.        ,   0.71600413,  -2.77147791],
>         [  0.        ,   0.        ,   0.        ,   2.50096525]])
>   y: array([[  3.57864000e+01,  -8.09061000e+01,  -1.20629000e+01,
>           -9.49800000e+00],
>         [  0.00000000e+00,   2.76380000e+00,  -2.35050000e+00,...
>
>
> Christoph
>
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