(self)
| 259 | assert_equal(a, 1.5) |
| 260 | |
| 261 | def test_complex(self): |
| 262 | # Test with complex data. |
| 263 | # (Regression test for https://github.com/numpy/numpy/issues/2684) |
| 264 | mask = np.array([[0, 0, 0, 1, 0], |
| 265 | [0, 1, 0, 0, 0]], dtype=bool) |
| 266 | a = masked_array([[0, 1+2j, 3+4j, 5+6j, 7+8j], |
| 267 | [9j, 0+1j, 2+3j, 4+5j, 7+7j]], |
| 268 | mask=mask) |
| 269 | |
| 270 | av = average(a) |
| 271 | expected = np.average(a.compressed()) |
| 272 | assert_almost_equal(av.real, expected.real) |
| 273 | assert_almost_equal(av.imag, expected.imag) |
| 274 | |
| 275 | av0 = average(a, axis=0) |
| 276 | expected0 = average(a.real, axis=0) + average(a.imag, axis=0)*1j |
| 277 | assert_almost_equal(av0.real, expected0.real) |
| 278 | assert_almost_equal(av0.imag, expected0.imag) |
| 279 | |
| 280 | av1 = average(a, axis=1) |
| 281 | expected1 = average(a.real, axis=1) + average(a.imag, axis=1)*1j |
| 282 | assert_almost_equal(av1.real, expected1.real) |
| 283 | assert_almost_equal(av1.imag, expected1.imag) |
| 284 | |
| 285 | # Test with the 'weights' argument. |
| 286 | wts = np.array([[0.5, 1.0, 2.0, 1.0, 0.5], |
| 287 | [1.0, 1.0, 1.0, 1.0, 1.0]]) |
| 288 | wav = average(a, weights=wts) |
| 289 | expected = np.average(a.compressed(), weights=wts[~mask]) |
| 290 | assert_almost_equal(wav.real, expected.real) |
| 291 | assert_almost_equal(wav.imag, expected.imag) |
| 292 | |
| 293 | wav0 = average(a, weights=wts, axis=0) |
| 294 | expected0 = (average(a.real, weights=wts, axis=0) + |
| 295 | average(a.imag, weights=wts, axis=0)*1j) |
| 296 | assert_almost_equal(wav0.real, expected0.real) |
| 297 | assert_almost_equal(wav0.imag, expected0.imag) |
| 298 | |
| 299 | wav1 = average(a, weights=wts, axis=1) |
| 300 | expected1 = (average(a.real, weights=wts, axis=1) + |
| 301 | average(a.imag, weights=wts, axis=1)*1j) |
| 302 | assert_almost_equal(wav1.real, expected1.real) |
| 303 | assert_almost_equal(wav1.imag, expected1.imag) |
| 304 | |
| 305 | @pytest.mark.parametrize( |
| 306 | 'x, axis, expected_avg, weights, expected_wavg, expected_wsum', |
nothing calls this directly
no test coverage detected