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NumPy 1.12.0rc2 release.

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  NumPy 1.12.0rc2 release. Charles R Harris <charlesr.harris@gmail.com> - 2017-01-01 17:04 -0700

#2358 — NumPy 1.12.0rc2 release.

Hi All,

I'm pleased to announce the NumPy 1.12.0rc2 New Year's release. This
release supports Python 2.7 and 3.4-3.6. Wheels for all supported Python
versions may be downloaded from PiPY
<https://pypi.python.org/pypi?%3Aaction=pkg_edit&name=numpy>, the tarball
and zip files may be downloaded from Github
<https://github.com/numpy/numpy/releases/tag/v1.12.0rc2>. The release notes
and files hashes may also be found at Github
<https://github.com/numpy/numpy/releases/tag/v1.12.0rc2> .

NumPy 1.12.0rc 2 is the result of 413 pull requests submitted by 139
contributors and comprises a large number of fixes and improvements. Among
the many improvements it is difficult to  pick out just a few as standing
above the others, but the following may be of particular interest or
indicate areas likely to have future consequences.

* Order of operations in ``np.einsum`` can now be optimized for large speed
improvements.
* New ``signature`` argument to ``np.vectorize`` for vectorizing with core
dimensions.
* The ``keepdims`` argument was added to many functions.
* New context manager for testing warnings
* Support for BLIS in numpy.distutils
* Much improved support for PyPy (not yet finished)

Enjoy,

Chuck

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