def METHOD_NAME(self):
    pt = array((1, 1))
    ctm = affine.affine_identity()
    ctm = affine.translate(ctm, 5, 5)
    new_pt = affine.transform_point(ctm, pt)
    assert (new_pt == array((6, 6))).all()
    ctm = affine.rotate(ctm, pi)
    new_pt = affine.transform_point(ctm, pt)
    assert sum(new_pt - array((4.0, 4.0))) < 1e-15
    ctm = affine.scale(ctm, 10, 10)
    new_pt = affine.transform_point(ctm, pt)
    assert sum(new_pt - array((-5.0, -5.0))) < 1e-15