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Function test_reductions_2D

dask/array/tests/test_reductions.py:209–239  ·  view source on GitHub ↗
(dtype)

Source from the content-addressed store, hash-verified

207@pytest.mark.slow
208@pytest.mark.parametrize("dtype", ["f4", "i4", "c8"])
209def test_reductions_2D(dtype):
210 with warnings.catch_warnings():
211 warnings.simplefilter("ignore", ComplexWarning)
212 x = (np.arange(1, 122) + 1j * np.arange(1, 122)).reshape((11, 11)).astype(dtype)
213 a = da.from_array(x, chunks=(4, 4))
214
215 b = a.sum(keepdims=True)
216 assert b.__dask_keys__() == [[(b.name, 0, 0)]]
217
218 reduction_2d_test(da.sum, a, np.sum, x)
219 reduction_2d_test(da.mean, a, np.mean, x)
220 reduction_2d_test(da.var, a, np.var, x, False) # Difference in dtype algo
221 reduction_2d_test(da.std, a, np.std, x, False) # Difference in dtype algo
222 reduction_2d_test(da.min, a, np.min, x, False)
223 reduction_2d_test(da.max, a, np.max, x, False)
224 reduction_2d_test(da.any, a, np.any, x, False)
225 reduction_2d_test(da.all, a, np.all, x, False)
226
227 reduction_2d_test(da.nansum, a, np.nansum, x)
228 reduction_2d_test(da.nanmean, a, np.mean, x)
229 reduction_2d_test(da.nanvar, a, np.nanvar, x, False) # Difference in dtype algo
230 reduction_2d_test(da.nanstd, a, np.nanstd, x, False) # Difference in dtype algo
231 reduction_2d_test(da.nanmin, a, np.nanmin, x, False)
232 reduction_2d_test(da.nanmax, a, np.nanmax, x, False)
233
234 # prod/nanprod overflow for data at this size, leading to warnings about
235 # overflow/invalid values.
236 with warnings.catch_warnings():
237 warnings.simplefilter("ignore", RuntimeWarning)
238 reduction_2d_test(da.prod, a, np.prod, x)
239 reduction_2d_test(da.nanprod, a, np.nanprod, x)
240
241
242@pytest.mark.parametrize(

Callers

nothing calls this directly

Calls 6

reduction_2d_testFunction · 0.85
reshapeMethod · 0.80
astypeMethod · 0.45
arangeMethod · 0.45
sumMethod · 0.45
__dask_keys__Method · 0.45

Tested by

no test coverage detected