(Poly)
| 230 | |
| 231 | |
| 232 | def test_sub(Poly): |
| 233 | # This checks commutation, not numerical correctness |
| 234 | c1 = list(random((4,)) + .5) |
| 235 | c2 = list(random((3,)) + .5) |
| 236 | p1 = Poly(c1) |
| 237 | p2 = Poly(c2) |
| 238 | p3 = p1 - p2 |
| 239 | assert_poly_almost_equal(p2 - p1, -p3) |
| 240 | assert_poly_almost_equal(p1 - c2, p3) |
| 241 | assert_poly_almost_equal(c2 - p1, -p3) |
| 242 | assert_poly_almost_equal(p1 - tuple(c2), p3) |
| 243 | assert_poly_almost_equal(tuple(c2) - p1, -p3) |
| 244 | assert_poly_almost_equal(p1 - np.array(c2), p3) |
| 245 | assert_poly_almost_equal(np.array(c2) - p1, -p3) |
| 246 | assert_raises(TypeError, op.sub, p1, Poly([0], domain=Poly.domain + 1)) |
| 247 | assert_raises(TypeError, op.sub, p1, Poly([0], window=Poly.window + 1)) |
| 248 | if Poly is Polynomial: |
| 249 | assert_raises(TypeError, op.sub, p1, Chebyshev([0])) |
| 250 | else: |
| 251 | assert_raises(TypeError, op.sub, p1, Polynomial([0])) |
| 252 | |
| 253 | |
| 254 | def test_mul(Poly): |
nothing calls this directly
no test coverage detected