Python acos示例

示例#1

文件： test_interval_functions.py 项目： KonstantinTogoi/sympy

def test_acos():
    a = acos(interval(-0.5, 0.5))
    assert a.start == np.arccos(0.5)
    assert a.end == np.arccos(-0.5)

    a = acos(interval(-1.5, 1.5))
    assert a.is_valid is None
    a = acos(interval(-2, -1.5))
    assert a.is_valid is False

    a = acos(interval(0, 2))
    assert a.is_valid is None

    a = acos(interval(2, 5))
    assert a.is_valid is False

    a = acos(0.5)
    assert a.start == np.arccos(0.5)
    assert a.end == np.arccos(0.5)

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

示例#2

文件： test_interval_functions.py 项目： zabatistas/sympy

def test_acos():
    a = acos(interval(-0.5, 0.5))
    assert a.start == np.arccos(0.5)
    assert a.end == np.arccos(-0.5)

    a = acos(interval(-1.5, 1.5))
    assert a.is_valid is None
    a = acos(interval(-2, -1.5))
    assert a.is_valid is False

    a = acos(interval(0, 2))
    assert a.is_valid is None

    a = acos(interval(2, 5))
    assert a.is_valid is False

    a = acos(0.5)
    assert a.start == np.arccos(0.5)
    assert a.end == np.arccos(0.5)

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