Bug 951556 – dev-python/mpmath-1.4.0_alpha4 - fails mpmath/tests/test_format.py:840: AssertionError

• Status: UNCONFIRMED
• Product: Gentoo Linux

[Description ernsteiswuerfel 2025-03-18 17:33:28 UTC]

Created attachment 921200 [details]
build.log (ppc64, 1.4.0_alpha4)

========================================== FAILURES ===========================================
_______________________________ test_hexadecimal_with_libc_bulk _______________________________
[gw30] linux -- Python 3.12.9 /var/tmp/portage/dev-python/mpmath-1.4.0_alpha4/work/mpmath-1.4.0a4-python3_12/install/usr/bin/python3.12

    @pytest.mark.skipif(libc is None, reason='requires libc')
>   @settings(max_examples=10000)

f          = <function given.<locals>.run_test_as_given.<locals>.wrapped_test at 0x3fff95dac540>

mpmath/tests/test_format.py:832:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

x = 1.0, p = 0

    @pytest.mark.skipif(libc is None, reason='requires libc')
    @settings(max_examples=10000)
    @given(st.floats(allow_nan=False, allow_infinity=False,
                     allow_subnormal=False),
           st.integers(min_value=0, max_value=15))
    def test_hexadecimal_with_libc_bulk(x, p):
        fmt = '.' + str(p) + 'a'
        x_hex = float_print(x, p)
        m_hex = format(mp.mpf(x), fmt)
>       assert mp.mpf(m_hex) == mp.mpf(x_hex)
E       AssertionError: assert mpf('1.0') == mpf('0.0')
E        +  where mpf('1.0') = <class 'mpmath.ctx_mp_python.mpf'>('0x1p+0')
E        +    where <class 'mpmath.ctx_mp_python.mpf'> = <mpmath.ctx_mp.MPContext object at 0x3fff96f1c800>.mpf
E        +  and   mpf('0.0') = <class 'mpmath.ctx_mp_python.mpf'>('0x0p-1022')
E        +    where <class 'mpmath.ctx_mp_python.mpf'> = <mpmath.ctx_mp.MPContext object at 0x3fff96f1c800>.mpf
E       Falsifying example: test_hexadecimal_with_libc_bulk(
E           x=1.0,
E           p=0,
E       )

fmt        = '.0a'
m_hex      = '0x1p+0'
p          = 0
x          = 1.0
x_hex      = '0x0p-1022'

mpmath/tests/test_format.py:840: AssertionError

[...]

=================================== short test summary info ===================================
SKIPPED [1] mpmath/tests/test_cli.py:60: IPython is available
XFAIL mpmath/tests/test_matrices.py::test_interval_matrix_matrix_mult
XFAIL mpmath/tests/test_quad.py::test_expmath_fail
FAILED mpmath/tests/test_format.py::test_hexadecimal_with_libc_bulk - AssertionError: assert mpf('1.0') == mpf('0.0')
 +  where mpf('1.0') = <class 'mpmath.ctx_mp_python.mpf'>('0x1p+0')
 +    where <class 'mpmath.ctx_mp_python.mpf'> = <mpmath.ctx_mp.MPContext object at 0x3fff96f1c800>.mpf
 +  and   mpf('0.0') = <class 'mpmath.ctx_mp_python.mpf'>('0x0p-1022')
 +    where <class 'mpmath.ctx_mp_python.mpf'> = <mpmath.ctx_mp.MPContext object at 0x3fff96f1c800>.mpf
Falsifying example: test_hexadecimal_with_libc_bulk(
    x=1.0,
    p=0,
)
==== 1 failed, 2416 passed, 1 skipped, 2 xfailed, 7 warnings, 5 rerun in 274.36s (0:04:34) ====
 * ERROR: dev-python/mpmath-1.4.0_alpha4::gentoo failed (test phase):
 *   pytest failed with python3.12

[Comment 1 ernsteiswuerfel 2025-03-18 17:34:08 UTC]

Created attachment 921201 [details]
emerge --info