def test_inverse_equivalence(self): q = [5.77350000e-01, 5.77350000e-01, 5.77350000e-01, 6.12323400e-17] result = matrix33.create_from_quaternion(quaternion.inverse(q)) expected = matrix33.inverse(matrix33.create_from_quaternion(q)) np.testing.assert_almost_equal(result, expected, decimal=5) q = quaternion.create_from_x_rotation(0.5) result = matrix33.create_from_inverse_of_quaternion(q) expected = matrix33.inverse(matrix33.create_from_quaternion(q)) np.testing.assert_almost_equal(result, expected, decimal=5)
def test_operators_matrix33(self): m1 = Matrix33.identity() m2 = Matrix33.from_x_rotation(0.5) # add self.assertTrue(np.array_equal(m1 + m2, matrix33.create_identity() + matrix33.create_from_x_rotation(0.5))) # subtract self.assertTrue(np.array_equal(m1 - m2, matrix33.create_identity() - matrix33.create_from_x_rotation(0.5))) # multiply self.assertTrue(np.array_equal(m1 * m2, matrix33.multiply(matrix33.create_from_x_rotation(0.5), matrix33.create_identity()))) # divide self.assertRaises(ValueError, lambda: m1 / m2) # inverse self.assertTrue(np.array_equal(~m2, matrix33.inverse(matrix33.create_from_x_rotation(0.5)))) # == self.assertTrue(Matrix33() == Matrix33()) self.assertFalse(Matrix33() == Matrix33([1. for n in range(9)])) # != self.assertTrue(Matrix33() != Matrix33([1. for n in range(9)])) self.assertFalse(Matrix33() != Matrix33())
def test_inverse(self): m = matrix33.create_from_y_rotation(np.pi) result = matrix33.inverse(m) self.assertTrue( np.allclose(result, matrix33.create_from_y_rotation(-np.pi)))
def test_inverse(self): m1 = Matrix33.identity() * Matrix33.from_x_rotation(0.5) m = m1.inverse self.assertTrue(np.array_equal(m, matrix33.inverse(m1)))
def test_inverse(self): m = matrix33.create_from_y_rotation(np.pi) result = matrix33.inverse(m) self.assertTrue(np.allclose(result, matrix33.create_from_y_rotation(-np.pi)))