def test_fold(self):
A = init([[1, 2], [3, 4]])
B = triangular.init([1, sqrt(2) * 2, 4]) # ???
np.testing.assert_almost_equal(np.array(A.fold()), np.array(B))
def test_lower(self):
A = init([[1, 2], [3, 4]])
B = triangular.init([1, 2, 4])
np.testing.assert_almost_equal(
np.array(A.lower()), np.array(B)
)
def test_pack_triangular_anti(self):
A = init([[1, 2], [3, 4]])
B = triangular.init([0, -0.5, 0])
np.testing.assert_almost_equal(
np.array(A.pack(anti=True)), np.array(B)
)
def test_pack_triangular(self):
A = init([[1, 2], [3, 4]])
B = triangular.init([1, 2.5, 4])
np.testing.assert_almost_equal(np.array(A.pack()), np.array(B))
def test_scalar_mul_triangluar(self):
A = triangular.init([1, 2, 3])
np.testing.assert_allclose(np.array(2 * A), [2.0, 4.0, 6.0])
def test_mul_triangluar(self):
A = triangular.init([1, 2, 3])
np.testing.assert_allclose(A * A, [[5, 8], [8, 13]])