def test_1(self):
n = 4
A = rand_sym(n)
w1, V1 = eigh(A)
Ad = scdeflate(A, V1[:, 0])
w2, V2 = eigh(Ad)
self.assert_deflated(w1, V1, w2, V2)
def test_2(self):
n = 4
A = rand_sym(n)
B = rand_pos_semidef(n)
w1, V1 = eigh(A, B)
Ad = scdeflate(A, V1[:, 0])
w2, V2 = eigh(Ad, B)
self.assert_deflated(w1, V1, w2, V2)
