running build running build_ext The following modules found by detect_modules() in setup.py, have been built by the Makefile instead, as configured by the Setup files: atexit pwd time running build_scripts copying and adjusting /home/richard/Python-3.6.3/Tools/scripts/pydoc3 -> build/scripts-3.6 copying and adjusting /home/richard/Python-3.6.3/Tools/scripts/idle3 -> build/scripts-3.6 copying and adjusting /home/richard/Python-3.6.3/Tools/scripts/2to3 -> build/scripts-3.6 copying and adjusting /home/richard/Python-3.6.3/Tools/scripts/pyvenv -> build/scripts-3.6 changing mode of build/scripts-3.6/pydoc3 from 644 to 755 changing mode of build/scripts-3.6/idle3 from 644 to 755 changing mode of build/scripts-3.6/2to3 from 644 to 755 changing mode of build/scripts-3.6/pyvenv from 644 to 755 renaming build/scripts-3.6/pydoc3 to build/scripts-3.6/pydoc3.6 renaming build/scripts-3.6/idle3 to build/scripts-3.6/idle3.6 renaming build/scripts-3.6/2to3 to build/scripts-3.6/2to3-3.6 renaming build/scripts-3.6/pyvenv to build/scripts-3.6/pyvenv-3.6 ./python ./Tools/scripts/run_tests.py -v test_math == CPython 3.6.3 (default, Oct 16 2017, 14:42:21) [GCC 4.7.2] == Linux-3.2.0-4-686-pae-i686-with-debian-7.11 little-endian == cwd: /home/richard/Python-3.6.3/build/test_python_10483 == CPU count: 1 == encodings: locale=UTF-8, FS=utf-8 Using random seed 2843454 Run tests in parallel using 3 child processes 0:00:04 load avg: 0.10 [1/1/1] test_math failed testAcos (test.test_math.MathTests) ... ok testAcosh (test.test_math.MathTests) ... ok testAsin (test.test_math.MathTests) ... ok testAsinh (test.test_math.MathTests) ... ok testAtan (test.test_math.MathTests) ... ok testAtan2 (test.test_math.MathTests) ... ok testAtanh (test.test_math.MathTests) ... ok testCeil (test.test_math.MathTests) ... ok testConstants (test.test_math.MathTests) ... ok testCopysign (test.test_math.MathTests) ... ok testCos (test.test_math.MathTests) ... ok testCosh (test.test_math.MathTests) ... ok testDegrees (test.test_math.MathTests) ... ok testExp (test.test_math.MathTests) ... ok testFabs (test.test_math.MathTests) ... ok testFactorial (test.test_math.MathTests) ... ok testFactorialHugeInputs (test.test_math.MathTests) ... ok testFloor (test.test_math.MathTests) ... ok testFmod (test.test_math.MathTests) ... ok testFrexp (test.test_math.MathTests) ... ok testFsum (test.test_math.MathTests) ... skipped 'fsum is not exact on machines with double rounding' testGcd (test.test_math.MathTests) ... ok testHypot (test.test_math.MathTests) ... ok testIsfinite (test.test_math.MathTests) ... ok testIsinf (test.test_math.MathTests) ... ok testIsnan (test.test_math.MathTests) ... ok testLdexp (test.test_math.MathTests) ... ok testLog (test.test_math.MathTests) ... ok testLog10 (test.test_math.MathTests) ... ok testLog1p (test.test_math.MathTests) ... ok testLog2 (test.test_math.MathTests) ... ok testLog2Exact (test.test_math.MathTests) ... ok testModf (test.test_math.MathTests) ... ok testPow (test.test_math.MathTests) ... ok testRadians (test.test_math.MathTests) ... ok testSin (test.test_math.MathTests) ... ok testSinh (test.test_math.MathTests) ... ok testSqrt (test.test_math.MathTests) ... ok testTan (test.test_math.MathTests) ... ok testTanh (test.test_math.MathTests) ... ok testTanhSign (test.test_math.MathTests) ... ok test_exceptions (test.test_math.MathTests) ... ok test_inf_constant (test.test_math.MathTests) ... ok test_mtestfile (test.test_math.MathTests) ... ok test_nan_constant (test.test_math.MathTests) ... ok test_testfile (test.test_math.MathTests) ... FAIL test_trunc (test.test_math.MathTests) ... ok test_asymmetry (test.test_math.IsCloseTests) ... ok test_decimals (test.test_math.IsCloseTests) ... ok test_eight_decimal_places (test.test_math.IsCloseTests) ... ok test_fractions (test.test_math.IsCloseTests) ... ok test_identical (test.test_math.IsCloseTests) ... ok test_identical_infinite (test.test_math.IsCloseTests) ... ok test_inf_ninf_nan (test.test_math.IsCloseTests) ... ok test_integers (test.test_math.IsCloseTests) ... ok test_near_zero (test.test_math.IsCloseTests) ... ok test_negative_tolerances (test.test_math.IsCloseTests) ... ok test_zero_tolerance (test.test_math.IsCloseTests) ... ok /home/richard/Python-3.6.3/Lib/test/ieee754.txt Doctest: ieee754.txt ... ok ====================================================================== FAIL: test_testfile (test.test_math.MathTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/richard/Python-3.6.3/Lib/test/test_math.py", line 1220, in test_testfile '\n '.join(failures)) AssertionError: Failures in test_testfile: tan0064: tan(1.5707963267948961): expected 1978937966095219.0, got 1978945885716843.0 (error = 7.92e+09 (31678486496 ulps); permitted error = 0 or 5 ulps) ---------------------------------------------------------------------- Ran 59 tests in 3.161s FAILED (failures=1, skipped=1) 1 test failed: test_math Re-running failed tests in verbose mode Re-running test 'test_math' in verbose mode testAcos (test.test_math.MathTests) ... ok testAcosh (test.test_math.MathTests) ... ok testAsin (test.test_math.MathTests) ... ok testAsinh (test.test_math.MathTests) ... ok testAtan (test.test_math.MathTests) ... ok testAtan2 (test.test_math.MathTests) ... ok testAtanh (test.test_math.MathTests) ... ok testCeil (test.test_math.MathTests) ... ok testConstants (test.test_math.MathTests) ... ok testCopysign (test.test_math.MathTests) ... ok testCos (test.test_math.MathTests) ... ok testCosh (test.test_math.MathTests) ... ok testDegrees (test.test_math.MathTests) ... ok testExp (test.test_math.MathTests) ... ok testFabs (test.test_math.MathTests) ... ok testFactorial (test.test_math.MathTests) ... ok testFactorialHugeInputs (test.test_math.MathTests) ... ok testFloor (test.test_math.MathTests) ... ok testFmod (test.test_math.MathTests) ... ok testFrexp (test.test_math.MathTests) ... ok testFsum (test.test_math.MathTests) ... skipped 'fsum is not exact on machines with double rounding' testGcd (test.test_math.MathTests) ... ok testHypot (test.test_math.MathTests) ... ok testIsfinite (test.test_math.MathTests) ... ok testIsinf (test.test_math.MathTests) ... ok testIsnan (test.test_math.MathTests) ... ok testLdexp (test.test_math.MathTests) ... ok testLog (test.test_math.MathTests) ... ok testLog10 (test.test_math.MathTests) ... ok testLog1p (test.test_math.MathTests) ... ok testLog2 (test.test_math.MathTests) ... ok testLog2Exact (test.test_math.MathTests) ... ok testModf (test.test_math.MathTests) ... ok testPow (test.test_math.MathTests) ... ok testRadians (test.test_math.MathTests) ... ok testSin (test.test_math.MathTests) ... ok testSinh (test.test_math.MathTests) ... ok testSqrt (test.test_math.MathTests) ... ok testTan (test.test_math.MathTests) ... ok testTanh (test.test_math.MathTests) ... ok testTanhSign (test.test_math.MathTests) ... ok test_exceptions (test.test_math.MathTests) ... ok test_inf_constant (test.test_math.MathTests) ... ok test_mtestfile (test.test_math.MathTests) ... ok test_nan_constant (test.test_math.MathTests) ... ok test_testfile (test.test_math.MathTests) ... FAIL test_trunc (test.test_math.MathTests) ... ok test_asymmetry (test.test_math.IsCloseTests) ... ok test_decimals (test.test_math.IsCloseTests) ... ok test_eight_decimal_places (test.test_math.IsCloseTests) ... ok test_fractions (test.test_math.IsCloseTests) ... ok test_identical (test.test_math.IsCloseTests) ... ok test_identical_infinite (test.test_math.IsCloseTests) ... ok test_inf_ninf_nan (test.test_math.IsCloseTests) ... ok test_integers (test.test_math.IsCloseTests) ... ok test_near_zero (test.test_math.IsCloseTests) ... ok test_negative_tolerances (test.test_math.IsCloseTests) ... ok test_zero_tolerance (test.test_math.IsCloseTests) ... ok /home/richard/Python-3.6.3/Lib/test/ieee754.txt Doctest: ieee754.txt ... ok ====================================================================== FAIL: test_testfile (test.test_math.MathTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "/home/richard/Python-3.6.3/Lib/test/test_math.py", line 1220, in test_testfile '\n '.join(failures)) AssertionError: Failures in test_testfile: tan0064: tan(1.5707963267948961): expected 1978937966095219.0, got 1978945885716843.0 (error = 7.92e+09 (31678486496 ulps); permitted error = 0 or 5 ulps) ---------------------------------------------------------------------- Ran 59 tests in 3.183s FAILED (failures=1, skipped=1) 1 test failed again: test_math Total duration: 7 sec Tests result: FAILURE