On Tue, Apr 5, 2011 at 12:10 AM, Christoph Gohlke <cgoh...@uci.edu> wrote:
>
>
> On 4/4/2011 1:04 PM, Ralf Gommers wrote:
>> Hi,
>>
>> I am pleased to announce the availability of the second beta of NumPy
>> 1.6.0. Due to the extensive changes in the Numpy core for this
>> release, the beta testing phase will last at least one month. Please
>> test this beta and report any problems on the Numpy mailing list.
>>
>> Many bug fixes went in since beta 1, among which:
>> - fix installation of source release with python 3
>> - f2py fixes for assumed shape arrays
>> - several loadtxt bug fixes and enhancements
>> - change default floating point error handling from "print" to "warn"
>> - much more
>>
>> I quickly counted in the timeline, and in the last few weeks the
>> number of open tickets has been decreased by over 100. Thanks to
>> everyone who contributed to this spring cleaning!
>>
>> Sources and binaries can be found at
>> http://sourceforge.net/projects/numpy/files/NumPy/1.6.0b2/
>> For (preliminary) release notes see below.
>>
>> Enjoy,
>> Ralf
>>
>
> Thank you.
>
> numpy 1.6.0b2 builds well on Windows with msvc9/MKL.
>
> No license file is included in the installers.
>
> The installers for Python 3 include 2to3 backup files. This has already
> been fixed in scipy
> <https://github.com/scipy/scipy/commit/f7dae4f21593d94735a0377a1af3a9275413b889>.
>
> All numpy tests pass on win32.
>
> A few numpy tests fail on win-amd64:
>
> ======================================================================
> ERROR: Ticket #99
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "X:\Python26-x64\lib\site-packages\numpy\testing\decorators.py",
> line 215, in knownfailer
>     return f(*args, **kwargs)
>   File
> "X:\Python26-x64\lib\site-packages\numpy\core\tests\test_regression.py",
> line 148, in test_intp
>     np.intp('0x' + 'f'*i_width,16)
> TypeError: function takes at most 1 argument (2 given)
>
> ======================================================================
> FAIL: test_iterator.test_iter_broadcasting_errors
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "X:\Python26-x64\lib\site-packages\nose\case.py", line 187, in
> runTest
>     self.test(*self.arg)
>   File
> "X:\Python26-x64\lib\site-packages\numpy\core\tests\test_iterator.py",
> line 639, in test_iter_broadcasting_errors
>     'Message "%s" doesn\'t contain operand shape (2,3)' % msg)
>   File "X:\Python26-x64\lib\site-packages\numpy\testing\utils.py", line
> 34, in assert_
>     raise AssertionError(msg)
> AssertionError: Message "non-broadcastable output operand with shape
> (%lld,%lld)
>  doesn't match the broadcast shape (%lld,%lld,%lld)" doesn't contain
> operand shape (2,3)
>
> ======================================================================
> FAIL: test_noncentral_f (test_random.TestRandomDist)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File
> "X:\Python26-x64\lib\site-packages\numpy\random\tests\test_random.py",
> line 297, in test_noncentral_f
>     np.testing.assert_array_almost_equal(actual, desired, decimal=14)
>   File "X:\Python26-x64\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:\Python26-x64\lib\site-packages\numpy\testing\utils.py", line
> 636, in assert_array_compare
>     raise AssertionError(msg)
> AssertionError:
> Arrays are not almost equal to 14 decimals
>
> (mismatch 100.0%)
>  x: array([[ 1.62003345,  1.7253997 ],
>        [ 0.96735921,  0.42933718],
>        [ 0.71714872,  6.24979552]])
>  y: array([[ 1.405981  ,  0.34207973],
>        [ 3.57715069,  7.92632663],
>        [ 0.43741599,  1.17742088]])
>
>
>
> One scipy 0.9.0 test fails (32 and 64 bit):
>
> ======================================================================
> FAIL: test_expon (test_morestats.TestAnderson)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File
> "X:\Python26-x64\lib\site-packages\scipy\stats\tests\test_morestats.py",
> line 72, in test_expon
>     assert_array_less(crit[:-1], A)
>   File "X:\Python26-x64\lib\site-packages\numpy\testing\utils.py", line
> 869, in assert_array_less
>     header='Arrays are not less-ordered')
>   File "X:\Python26-x64\lib\site-packages\numpy\testing\utils.py", line
> 613, in assert_array_compare
>     chk_same_position(x_id, y_id, hasval='inf')
>   File "X:\Python26-x64\lib\site-packages\numpy\testing\utils.py", line
> 588, in chk_same_position
>     raise AssertionError(msg)
> AssertionError:
> Arrays are not less-ordered
>
> x and y inf location mismatch:
>  x: array([ 0.911,  1.065,  1.325,  1.587])
>  y: array(inf)

I think this is from the change how inf are now handled in the
asserts, but I cannot check because I don't have numpy 1.6 yet

>>> np.testing.assert_array_less(2,3)
>>> np.testing.assert_array_less(2,np.inf)
>>> np.testing.assert_array_less(np.inf,np.inf)

the anderson test really states:  assert  array([ 0.911,  1.065,
1.325,  1.587]) < np.inf
which is correct but not a good test.

Josef


>
>
>
> Christoph
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