[SciPy-Dev] correlate complex192 failures on win32

[Warren Weckesser]

On Sun, Jan 16, 2011 at 8:44 AM, Ralf Gommers
<ralf.gommers at googlemail.com>wrote:

> Hi Warren,
>
> In r6982 you added correlate/convolve tests that are now failing on Windows
> for longdouble. Can you please have a look at that? If you don't have time
> soon I think it can be marked knownfail for 0.9.0 on Windows.
>


In r6982, I didn't take into account the platform dependence of longdouble
when I modified the complex test cases for correlate.  I've updated the
tests in trunk (r7067).  The correlate tests now pass in XP 32bit and Vista
64.  Let me know if you still have any problems.

Warren



> Offending code:
> +
> +# Create three classes, one for each complex data type:
> TestCorrelateComplex64,
> +# TestCorrelateComplex128 and TestCorrelateComplex256.
> +# The second number in the pairs is used in the 'decimal' keyword argument
> of
> +# the  array comparisons in the tests.
> +for i, decimal in [(np.csingle, 5), (np.cdouble, 10), (np.clongdouble,
> 15)]:
>
>
> Resulting in 16 failures like:
>
> ======================================================================
> FAIL: test_rank1_full (test_signaltools.TestCorrelateComplex192)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File
> "Z:\Users\rgommers\.wine\drive_c\Python26\lib\site-packages\scipy\signal\tests\test_signaltools.py",
> line 630, in test_rank1_full
>     assert_array_almost_equal(y, y_r, decimal=self.decimal)
>   File
> "Z:\Users\rgommers\.wine\drive_c\Python26\lib\site-packages\numpy\testing\utils.py",
> line 774, in assert_array_almost_equal
>     header='Arrays are not almost equal')
>   File
> "Z:\Users\rgommers\.wine\drive_c\Python26\lib\site-packages\numpy\testing\utils.py",
> line 618, in assert_array_compare
>     raise AssertionError(msg)
> AssertionError:
> Arrays are not almost equal
>
> (mismatch 11.7647058824%)
>  x: array([0.17161931+0.20853512j, 0.22923514+0.78246389j,
>        -1.3237712+0.47060531j, -3.2990924+-0.50721318j,
>        -2.9089895+0.084727311j, 1.5646499+-0.56960514j,...
>  y: array([0.17161931+0.20853512j, 0.22923514+0.78246389j,
>        -1.3237712+0.47060531j, -3.2990924+-0.50721318j,
>        -2.9089895+0.084727311j, 1.5646499+-0.56960514j,...
>
> Ralf
>
>
>
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>
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