def test_from_matrix(self):
mat = numpy.matrix(numpy.ones((3, 3)))
check = RMat(mat, max_rank=1)
self.assertAlmostEqual(check.norm(), numpy.linalg.norm(mat))
check = RMat(mat, max_rank=4)
self.assertAlmostEqual(check.norm(), numpy.linalg.norm(mat))
def test_norm(self):
left = numpy.matrix([[1], [2], [3]])
right = numpy.matrix([[2], [3], [4]])
rmat = RMat(left, right, 1)
self.assertEqual(rmat.norm(), abs(rmat))