[SciPy-Dev] ANN: SciPy 0.9.0 release candidate 2

[Ralf Gommers]

On Wed, Feb 2, 2011 at 12:34 PM, Christoph Gohlke <cgohlke at uci.edu> wrote:

>
>
> On 2/1/2011 8:07 PM, Ralf Gommers wrote:
> >
> >
> > On Mon, Jan 31, 2011 at 11:56 PM, Christoph Gohlke <cgohlke at uci.edu
> > <mailto:cgohlke at uci.edu>> wrote:
> >
> >
> >
> >     On 1/30/2011 5:50 PM, Ralf Gommers wrote:
> >     >  Hi,
> >     >
> >     >  I am pleased to announce the availability of the second release
> >     >  candidate of SciPy 0.9.0. This will be the first SciPy release to
> >     >  include support for Python 3 (all modules except scipy.weave), as
> well
> >     >  as for Python 2.7.
> >     >
> >     >  Due to the Sourceforge outage I am not able to put binaries on the
> >     >  normal download site right now, that will probably only happen in
> >     a week
> >     >  or so. If you want to try the RC now please build from svn, and
> report
> >     >  any issues.
> >     >
> >     >  Changes since release candidate 1:
> >     >  - fixes for build problems with MSVC + MKL (#1210, #1376)
> >     >  - fix pilutil test to work with numpy master branch
> >     >  - fix constants.codata to be backwards-compatible
> >     >
> >     >  Enjoy,
> >     >  Ralf
> >     >
> >
> >
> >     I tested msvc9/ifort/MKL builds of scipy 0.9 rc2 with Python 2.6,
> 2.7,
> >     3.1 and 3.2 on win32 and win-amd64. Besides the known problems with
> the
> >     MKL builds (<http://projects.scipy.org/scipy/ticket/1238>,
> >     <http://projects.scipy.org/scipy/ticket/1233>,
> >     <http://projects.scipy.org/scipy/ticket/678>), the following tests
> fail
> >     on win32 only:
> >
> > Tor the first three failures I can adjust the test precision to make the
> > tests pass. For the Powell failure, what are the actual number of
> > funccalls? That type of assertion doesn't work too well, should be <=
> > 116 instead of ==.
> > Ralf
>
> I ran the test in a loop: most of the times the number of funccalls is
> 116, often 117, and sometimes as large as 128. Not sure why this test
> only fails on win32 and not win-amd64.
>
> It looks like an actual problem then, and not just a difference between
platforms. I saw something like that recently in a Wolfe line search test
too, the problem was floating point ==0.0 comparison.

Can you open a ticket?

Ralf


> >
> >
> ======================================================================
> >     FAIL: test_linesearch.TestLineSearch.test_line_search_armijo
> >
> ----------------------------------------------------------------------
> >     Traceback (most recent call last):
> >        File "X:\Python27\lib\site-packages\nose\case.py", line 187, in
> >     runTest
> >          self.test(*self.arg)
> >        File
> >
> "X:\Python27\lib\site-packages\scipy\optimize\tests\test_linesearch.py",line
> >     201, in test_line_search_armijo
> >          assert_equal(fv, f(x + s*p))
> >        File "X:\Python27\lib\site-packages\numpy\testing\utils.py", line
> >     313, in assert_equal
> >          raise AssertionError(msg)
> >     AssertionError:
> >     Items are not equal:
> >       ACTUAL: 1.5675494536393939
> >       DESIRED: 1.5675494536393932
> >
> >
> ======================================================================
> >     FAIL: test_linesearch.TestLineSearch.test_line_search_wolfe1
> >
> ----------------------------------------------------------------------
> >     Traceback (most recent call last):
> >        File "X:\Python27\lib\site-packages\nose\case.py", line 187, in
> >     runTest
> >          self.test(*self.arg)
> >        File
> >
> "X:\Python27\lib\site-packages\scipy\optimize\tests\test_linesearch.py",
> >     line 164, in test_line_search_wolfe1
> >          assert_equal(fv, f(x + s*p))
> >        File "X:\Python27\lib\site-packages\numpy\testing\utils.py", line
> >     313, in assert_equal
> >          raise AssertionError(msg)
> >     AssertionError:
> >     Items are not equal:
> >       ACTUAL: 19.185353513927268
> >       DESIRED: 19.185353513927272
> >
> >
> ======================================================================
> >     FAIL: test_linesearch.TestLineSearch.test_line_search_wolfe2
> >
> ----------------------------------------------------------------------
> >     Traceback (most recent call last):
> >        File "X:\Python27\lib\site-packages\nose\case.py", line 187, in
> >     runTest
> >          self.test(*self.arg)
> >        File
> >
> "X:\Python27\lib\site-packages\scipy\optimize\tests\test_linesearch.py",line
> >     184, in test_line_search_wolfe2
> >          assert_equal(fv, f(x + s*p))
> >        File "X:\Python27\lib\site-packages\numpy\testing\utils.py", line
> >     313, in assert_equal
> >          raise AssertionError(msg)
> >     AssertionError:
> >     Items are not equal:
> >       ACTUAL: 19.185353513927272
> >       DESIRED: 19.185353513927268
> >
> >
> ======================================================================
> >     FAIL: Powell (direction set) optimization routine
> >
> ----------------------------------------------------------------------
> >     Traceback (most recent call last):
> >        File
> >
> "X:\Python27\lib\site-packages\scipy\optimize\tests\test_optimize.py",
> >     line 123, in test_powell
> >          assert_(self.funccalls == 116, self.funccalls)
> >        File "X:\Python27\lib\site-packages\numpy\testing\utils.py", line
> 34,
> >     in assert_
> >          raise AssertionError(msg)
> >     AssertionError: 128
> >
> >     --
> >     Christoph
> >     _______________________________________________
> >     SciPy-Dev mailing list
> >     SciPy-Dev at scipy.org <mailto:SciPy-Dev at scipy.org>
> >     http://mail.scipy.org/mailman/listinfo/scipy-dev
> >
> >
> >
> >
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