Test failures on nightly ARM64 wheel builds. #20426

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1. mattip commented on Nov 21, 2021

   

   mattip

   on Nov 21, 2021

   Last edited by mattip

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   The test_new_policy failure is due to running the whole test suite with a new memory allocation policy and failing on the same TestComplexFunctions.test_loss_of_precision[complex256] test. So there is a single failure of arcsinh with np.long128 np.longcomplex. Just before the check is

           x_series = np.logspace(-20, -3.001, 200)
           x_basic = np.logspace(-2.999, 0, 10, endpoint=False)
   
           if glibc_older_than("2.19") and dtype is np.longcomplex:
               if (platform.machine() == 'aarch64' and bad_arcsinh()):
                   pytest.skip("Trig functions of np.longcomplex values known "
                               "to be inaccurate on aarch64 for some compilation "
                               "configurations.")
   
               # It's not guaranteed that the system-provided arc functions
               # are accurate down to a few epsilons. (Eg. on Linux 64-bit
               # So, give more leeway for long complex tests here:
               check(x_series, 50.0*eps)
           else:
   >           check(x_series, 2.1*eps)
   

   Did something change with arcsinh recently and we need to blocklist this glibc function?
2. charris

   changed the title [-]Test failures on ARM64 wheel builds.[/-] [+]Test failures on nightly ARM64 wheel builds.[/+] on Nov 21, 2021
3. charris commented on Nov 21, 2021

   

   charris

   on Nov 21, 2021

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   That check was updated in #20274.
4. charris commented on Nov 21, 2021

   

   charris

   on Nov 21, 2021

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   Manylinux2014 has glibc 2.17, so should have used the lower precision check, but should probably just xfail/skip the test instead.
5. charris

   added a commit that references this issue on Nov 21, 2021

   MAINT: Fix longdouble precision check.

   ...

   This issue will close once commit a5d002e is merged into the 'main' branch.

   a5d002e
6. charris

   closed this as completedin #20427on Nov 21, 2021
7. charris commented on Nov 21, 2021

   

   charris

   on Nov 21, 2021

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   Fixed. Travis-ci Python 3.9 arm64 has gone missing, but the working versions built wheels and passed the tests.
8. charris

   added a commit that references this issue on Nov 21, 2021

   MAINT: Fix longdouble precision check.

   ...

   This issue will close once commit 5a4ecc0 is merged into the 'main' branch.

   5a4ecc0