GNU bug report logs - #39562
python-keras build fails: test_selu: Not equal to tolerance rtol=1e-07, atol=0

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Pierre Neidhardt <mail <at> ambrevar.xyz>
Subject: bug#39562: closed (Re: bug#39562: python-keras build fails:
 test_selu: Not equal to tolerance rtol=1e-07, atol=0)
Date: Mon, 05 Oct 2020 05:53:03 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#39562: python-keras build fails: test_selu: Not equal to tolerance rtol=1e-07, atol=0

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 39562 <at> debbugs.gnu.org.

-- 
39562: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=39562
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Pierre Neidhardt <mail <at> ambrevar.xyz>
Cc: Gábor Boskovits <boskovits <at> gmail.com>,
 39562-done <at> debbugs.gnu.org
Subject: Re: bug#39562: python-keras build fails: test_selu: Not equal to
 tolerance rtol=1e-07, atol=0
Date: Mon, 05 Oct 2020 01:52:34 -0400

Pierre Neidhardt <mail <at> ambrevar.xyz> writes:

> Patch sent: 39880 <at> debbugs.gnu.org.
> Also see https://github.com/keras-team/keras/issues/13856.

I fixed it with a substitute* instead, and also applied another upstream
fix in commit 5f37d7e38e.

Thanks for the report!

Closing,

Maxim

[Message part 3 (message/rfc822, inline)]

From: Pierre Neidhardt <mail <at> ambrevar.xyz>
To: bug-guix <at> gnu.org
Cc: Ricardo Wurmus <rekado <at> elephly.net>, Marius Bakke <mbakke <at> fastmail.com>
Subject: python-keras build fails: test_selu: Not equal to tolerance
 rtol=1e-07, atol=0
Date: Tue, 11 Feb 2020 11:49:45 +0100

[Message part 4 (text/plain, inline)]

Tests fail with:

--8<---------------cut here---------------start------------->8---
=================================== FAILURES ===================================
__________________________________ test_selu ___________________________________

    def test_selu():
        x = K.placeholder(ndim=2)
        f = K.function([x], [activations.selu(x)])
        alpha = 1.6732632423543772848170429916717
        scale = 1.0507009873554804934193349852946

        positive_values = get_standard_values()
        result = f([positive_values])[0]
        assert_allclose(result, positive_values * scale, rtol=1e-05)

        negative_values = np.array([[-1, -2]], dtype=K.floatx())

        result = f([negative_values])[0]
        true_result = (np.exp(negative_values) - 1) * scale * alpha

>       assert_allclose(result, true_result)
E       AssertionError:
E       Not equal to tolerance rtol=1e-07, atol=0
E
E       Mismatch: 50%
E       Max absolute difference: 1.1920929e-07
E       Max relative difference: 1.0726715e-07
E        x: array([[-1.111331, -1.520167]], dtype=float32)
E        y: array([[-1.111331, -1.520167]], dtype=float32)

tests/keras/activations_test.py:226: AssertionError
--8<---------------cut here---------------end--------------->8---

See attached log.

-- 
Pierre Neidhardt
https://ambrevar.xyz/

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[keras-build.log (application/octet-stream, attachment)]

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