test_functions.py 文件源码

def test_constants():
    for prec in [3, 7, 10, 15, 20, 37, 80, 100, 29]:
        mp.dps = prec
        assert pi == mpf(tpi)
        assert e == mpf(te)
        assert degree == mpf(tdegree)
        assert euler == mpf(teuler)
        assert ln2 == mpf(tln2)
        assert ln10 == mpf(tln10)
        assert catalan == mpf(tcatalan)
        assert khinchin == mpf(tkhinchin)
        assert glaisher == mpf(tglaisher)
        assert phi == mpf(tphi)
        if prec < 50:
            assert mertens == mpf(tmertens)
            assert twinprime == mpf(ttwinprime)
    mp.dps = 15
    assert pi >= -1
    assert pi > 2
    assert pi > 3
    assert pi < 4