def test_chol1():
"""[summary]
"""
l1 = [[25., 15., -5.], [15., 18., 0.], [-5., 0., 11.]]
m1 = np.array(l1)
Q1 = chol_ext(len(m1))
assert Q1.factorize(m1)
def test_chol6():
"""[summary]
"""
l3 = [[0., 15., -5.], [15., 18., 0.], [-5., 0., 11.]]
m3 = np.array(l3)
Q = chol_ext(len(m3))
Q.allow_semidefinite = True
assert Q.factorize(m3)
def test_chol4():
"""[summary]
"""
l1 = [[25., 15., -5.], [15., 18., 0.], [-5., 0., 11.]]
m1 = np.array(l1)
Q1 = chol_ext(len(m1))
Q1.allow_semidefinite = True
assert Q1.factorize(m1)
def test_chol7():
"""[summary]
"""
l3 = [[0., 15., -5.], [15., 18., 0.], [-5., 0., -20.]]
m3 = np.array(l3)
Q = chol_ext(len(m3))
Q.allow_semidefinite = True
assert not Q.factorize(m3)
ep = Q.witness()
assert ep == 20.
def test_chol2():
"""[summary]
"""
l2 = [[18., 22., 54., 42.], [22., -70., 86., 62.], [54., 86., -174., 134.],
[42., 62., 134., -106.]]
m2 = np.array(l2)
Q = chol_ext(len(m2))
assert not Q.factorize(m2)
Q.witness()
assert Q.p == (0, 2)
def test_chol3():
"""[summary]
"""
l3 = [[0., 15., -5.], [15., 18., 0.], [-5., 0., 11.]]
m3 = np.array(l3)
Q = chol_ext(len(m3))
assert not Q.factorize(m3)
ep = Q.witness()
assert Q.p == (0, 1)
assert Q.v[0] == 1.0
assert ep == 0.0