mrocklin / dask / 570

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da.take supports numpy[dask] operations

Example
-------

In [1]: import numpy as np

In [2]: import dask.array as da

In [3]: x = np.arange(5).astype('f8')

In [4]: y = da.from_array(np.array([1, 2, 3, 3, 2 ,1]), chunks=3)

In [5]: da.take(x * 2, y)
Out[5]: dask.array<x_2, shape=(6,), chunks=((3, 3)), dtype=float64>

In [6]: _.compute()
Out[6]: array([ 2.,  4.,  6.,  6.,  4.,  2.])

Fixes #289 cc @HolgerPeters

8 of 8 new or added lines in 1 file covered. (100.0%)

4918 of 5272 relevant lines covered (93.29%)

0.93 hits per line