| 1298 | c = [-1, 2, -3, 4] |
| 1299 | |
| 1300 | def _test(v): |
| 1301 | np.testing.assert_almost_equal(norm(v), 30 ** 0.5, |
| 1302 | decimal=self.dec) |
| 1303 | np.testing.assert_almost_equal(norm(v, inf), 4.0, |
| 1304 | decimal=self.dec) |
| 1305 | np.testing.assert_almost_equal(norm(v, -inf), 1.0, |
| 1306 | decimal=self.dec) |
| 1307 | np.testing.assert_almost_equal(norm(v, 1), 10.0, |
| 1308 | decimal=self.dec) |
| 1309 | np.testing.assert_almost_equal(norm(v, -1), 12.0 / 25, |
| 1310 | decimal=self.dec) |
| 1311 | np.testing.assert_almost_equal(norm(v, 2), 30 ** 0.5, |
| 1312 | decimal=self.dec) |
| 1313 | np.testing.assert_almost_equal(norm(v, -2), ((205. / 144) ** -0.5), |
| 1314 | decimal=self.dec) |
| 1315 | np.testing.assert_almost_equal(norm(v, 0), 4, |
| 1316 | decimal=self.dec) |
| 1317 | |
| 1318 | for v in (a, b, c,): |
| 1319 | _test(v) |