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DOC: Add changelog for #6734 and #6748. #6754

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Dec 2, 2015
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DOC: Add changelog for #6734 and #6748. #6754

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9 changes: 8 additions & 1 deletion doc/release/1.11.0-notes.rst
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Expand Up @@ -36,7 +36,7 @@ DeprecationWarning to error
* Non-integers used as index values raise TypeError,
e.g., in reshape, take, and specifying reduce axis.

FutureWarning to changed behavior
FutureWarning to changed behavior
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

* In ``np.lib.split`` an empty array in the result always had dimension
Expand Down Expand Up @@ -89,6 +89,13 @@ The function now internally calls the generic ``npy_amergesort``
when the type does not implement a merge-sort kind of ``argsort``
method.

Memory and speed improvements for masked arrays
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Creating a masked array with ``mask=True`` (resp. ``mask=False``) now uses
``np.ones`` (resp. ``np.zeros``) to create the mask, which is faster and avoid
a big memory peak. Another optimization was done to avoid a memory peak and
useless computations when printing a masked array.

Changes
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