Python atanh示例

示例#1

文件： test_interval_functions.py 项目： KonstantinTogoi/sympy

def test_atanh():
    a = atanh(interval(-0.5, 0.5))
    assert a.start == np.arctanh(-0.5)
    assert a.end == np.arctanh(0.5)

    a = atanh(interval(0, 3))
    assert a.is_valid is None

    a = atanh(interval(-3, -2))
    assert a.is_valid is False

    a = atanh(0.5)
    assert a.start == np.arctanh(0.5)
    assert a.end == np.arctanh(0.5)

    a = atanh(1.5)
    assert a.is_valid is False

示例#2

文件： test_interval_functions.py 项目： zabatistas/sympy

def test_atanh():
    a = atanh(interval(-0.5, 0.5))
    assert a.start == np.arctanh(-0.5)
    assert a.end == np.arctanh(0.5)

    a = atanh(interval(0, 3))
    assert a.is_valid is None

    a = atanh(interval(-3, -2))
    assert a.is_valid is False

    a = atanh(0.5)
    assert a.start == np.arctanh(0.5)
    assert a.end == np.arctanh(0.5)

    a = atanh(1.5)
    assert a.is_valid is False