Esempio n. 1
0
def test_ADmath_arccosr():
    f = ADmath.arccos(.3)
    assert f == np.arccos(.3)
Esempio n. 2
0
def test_ADmath_arccos():
    f = ADmath.arccos(ADnum(.3, der=1))
    assert f.val == np.arccos(.3)
    assert f.der == -1 / (np.sqrt(1 - .3**2))
    assert len(f.graph) == 1