Drop workarounds for buggy libm's pow()

[skirpichev]

No description provided.

[skirpichev]

Macos 13:

======================================================================
FAIL: testPow (test.test_math.MathTests.testPow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_math.py", line 1592, in testPow
    self.assertRaises(OverflowError, math.pow, 1e+100, 1e+100)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: OverflowError not raised by pow

----------------------------------------------------------------------
Ran 1 test in 0.008s

FAILED (failures=1)
test test_math failed
0:08:42 load avg: 9.57 [2/4/2] test_float failed (1 failure)
Re-running test_float in verbose mode (matching: test_float_pow)
test_float_pow (test.test_float.GeneralFloatCases.test_float_pow) ... FAIL

======================================================================
FAIL: test_float_pow (test.test_float.GeneralFloatCases.test_float_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_float.py", line 526, in test_float_pow
    self.assertEqual(type(pow_op(-2.0, -0.5)), complex)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <class 'float'> != <class 'complex'>

----------------------------------------------------------------------
Ran 1 test in 0.008s

FAILED (failures=1)
test test_float failed
0:08:42 load avg: 9.57 [3/4/3] test_fractions failed (2 failures)
Re-running test_fractions in verbose mode (matching: testArithmetic, testMixedPower)
testArithmetic (test.test_fractions.FractionTest.testArithmetic) ... FAIL
testMixedPower (test.test_fractions.FractionTest.testMixedPower) ... FAIL

======================================================================
FAIL: testArithmetic (test.test_fractions.FractionTest.testArithmetic)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_fractions.py", line 792, in testArithmetic
    self.assertAlmostEqual(z.real, 0)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: nan != 0 within 7 places (nan difference)

======================================================================
FAIL: testMixedPower (test.test_fractions.FractionTest.testMixedPower)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_fractions.py", line 968, in testMixedPower
    self.assertAlmostEqual(0, z.real)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: 0 != nan within 7 places (nan difference)

----------------------------------------------------------------------
Ran 2 tests in 0.010s

FAILED (failures=2)
test test_fractions failed
0:08:42 load avg: 9.57 [4/4/4] test_builtin failed (1 failure)
Re-running test_builtin in verbose mode (matching: test_pow)
test_pow (test.test_builtin.BuiltinTest.test_pow) ... FAIL

======================================================================
FAIL: test_pow (test.test_builtin.BuiltinTest.test_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_builtin.py", line 1723, in test_pow
    self.assertAlmostEqual(pow(-1, 0.5), 1j)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
AssertionError: nan != 1j within 7 places (nan difference)

----------------------------------------------------------------------
Ran 1 test in 0.007s

FAILED (failures=1)
test test_builtin failed
4 tests failed again:
    test_builtin test_float test_fractions test_math

== Tests result: FAILURE then FAILURE ==

MacOS 14:

======================================================================
FAIL: testArithmetic (test.test_fractions.FractionTest.testArithmetic)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_fractions.py", line 792, in testArithmetic
    self.assertAlmostEqual(z.real, 0)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: nan != 0 within 7 places (nan difference)

======================================================================
FAIL: testMixedPower (test.test_fractions.FractionTest.testMixedPower)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_fractions.py", line 968, in testMixedPower
    self.assertAlmostEqual(0, z.real)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: 0 != nan within 7 places (nan difference)

----------------------------------------------------------------------
Ran 2 tests in 0.005s

FAILED (failures=2)
test test_fractions failed
0:06:24 load avg: 5.45 [2/4/2] test_float failed (1 failure)
Re-running test_float in verbose mode (matching: test_float_pow)
test_float_pow (test.test_float.GeneralFloatCases.test_float_pow) ... FAIL

======================================================================
FAIL: test_float_pow (test.test_float.GeneralFloatCases.test_float_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_float.py", line 526, in test_float_pow
    self.assertEqual(type(pow_op(-2.0, -0.5)), complex)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <class 'float'> != <class 'complex'>

----------------------------------------------------------------------
Ran 1 test in 0.004s

FAILED (failures=1)
test test_float failed
0:06:24 load avg: 5.45 [3/4/3] test_math failed (1 failure)
Re-running test_math in verbose mode (matching: testPow)
testPow (test.test_math.MathTests.testPow) ... FAIL

======================================================================
FAIL: testPow (test.test_math.MathTests.testPow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_math.py", line 1592, in testPow
    self.assertRaises(OverflowError, math.pow, 1e+100, 1e+100)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: OverflowError not raised by pow

----------------------------------------------------------------------
Ran 1 test in 0.004s

FAILED (failures=1)
test test_math failed
0:06:24 load avg: 5.45 [4/4/4] test_builtin failed (1 failure)
Re-running test_builtin in verbose mode (matching: test_pow)
test_pow (test.test_builtin.BuiltinTest.test_pow) ... FAIL

======================================================================
FAIL: test_pow (test.test_builtin.BuiltinTest.test_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_builtin.py", line 1723, in test_pow
    self.assertAlmostEqual(pow(-1, 0.5), 1j)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
AssertionError: nan != 1j within 7 places (nan difference)

----------------------------------------------------------------------
Ran 1 test in 0.002s

FAILED (failures=1)
test test_builtin failed
4 tests failed again:
    test_builtin test_float test_fractions test_math

== Tests result: FAILURE then FAILURE ==

Test WASI:

 ======================================================================
FAIL: testPow (test.test_math.MathTests.testPow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_math.py", line 1592, in testPow
    self.assertRaises(OverflowError, math.pow, 1e+100, 1e+100)
    ~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: OverflowError not raised by pow

======================================================================
FAIL: testArithmetic (test.test_fractions.FractionTest.testArithmetic)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_fractions.py", line 792, in testArithmetic
    self.assertAlmostEqual(z.real, 0)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: nan != 0 within 7 places (nan difference)

======================================================================
FAIL: testMixedPower (test.test_fractions.FractionTest.testMixedPower)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_fractions.py", line 968, in testMixedPower
    self.assertAlmostEqual(0, z.real)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
AssertionError: 0 != nan within 7 places (nan difference)

----------------------------------------------------------------------
Ran 49 tests in 0.179s

======================================================================
FAIL: test_float_pow (test.test_float.GeneralFloatCases.test_float_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_float.py", line 526, in test_float_pow
    self.assertEqual(type(pow_op(-2.0, -0.5)), complex)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <class 'float'> != <class 'complex'>

----------------------------------------------------------------------
Ran 53 tests in 0.366s

 ======================================================================
FAIL: test_pow (test.test_builtin.BuiltinTest.test_pow)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Lib/test/test_builtin.py", line 1723, in test_pow
    self.assertAlmostEqual(pow(-1, 0.5), 1j)
    ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
AssertionError: nan != 1j within 7 places (nan difference)