CofeehousePy/deps/numpy/doc/source/release/1.6.2-notes.rst

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=========================
NumPy 1.6.2 Release Notes
=========================
This is a bugfix release in the 1.6.x series. Due to the delay of the NumPy
1.7.0 release, this release contains far more fixes than a regular NumPy bugfix
release. It also includes a number of documentation and build improvements.
Issues fixed
============
``numpy.core``
--------------
* #2063: make unique() return consistent index
* #1138: allow creating arrays from empty buffers or empty slices
* #1446: correct note about correspondence vstack and concatenate
* #1149: make argmin() work for datetime
* #1672: fix allclose() to work for scalar inf
* #1747: make np.median() work for 0-D arrays
* #1776: make complex division by zero to yield inf properly
* #1675: add scalar support for the format() function
* #1905: explicitly check for NaNs in allclose()
* #1952: allow floating ddof in std() and var()
* #1948: fix regression for indexing chararrays with empty list
* #2017: fix type hashing
* #2046: deleting array attributes causes segfault
* #2033: a**2.0 has incorrect type
* #2045: make attribute/iterator_element deletions not segfault
* #2021: fix segfault in searchsorted()
* #2073: fix float16 __array_interface__ bug
``numpy.lib``
-------------
* #2048: break reference cycle in NpzFile
* #1573: savetxt() now handles complex arrays
* #1387: allow bincount() to accept empty arrays
* #1899: fixed histogramdd() bug with empty inputs
* #1793: fix failing npyio test under py3k
* #1936: fix extra nesting for subarray dtypes
* #1848: make tril/triu return the same dtype as the original array
* #1918: use Py_TYPE to access ob_type, so it works also on Py3
``numpy.distutils``
-------------------
* #1261: change compile flag on AIX from -O5 to -O3
* #1377: update HP compiler flags
* #1383: provide better support for C++ code on HPUX
* #1857: fix build for py3k + pip
* BLD: raise a clearer warning in case of building without cleaning up first
* BLD: follow build_ext coding convention in build_clib
* BLD: fix up detection of Intel CPU on OS X in system_info.py
* BLD: add support for the new X11 directory structure on Ubuntu & co.
* BLD: add ufsparse to the libraries search path.
* BLD: add 'pgfortran' as a valid compiler in the Portland Group
* BLD: update version match regexp for IBM AIX Fortran compilers.
``numpy.random``
----------------
* BUG: Use npy_intp instead of long in mtrand
Changes
=======
``numpy.f2py``
--------------
* ENH: Introduce new options extra_f77_compiler_args and extra_f90_compiler_args
* BLD: Improve reporting of fcompiler value
* BUG: Fix f2py test_kind.py test
``numpy.poly``
--------------
* ENH: Add some tests for polynomial printing
* ENH: Add companion matrix functions
* DOC: Rearrange the polynomial documents
* BUG: Fix up links to classes
* DOC: Add version added to some of the polynomial package modules
* DOC: Document xxxfit functions in the polynomial package modules
* BUG: The polynomial convenience classes let different types interact
* DOC: Document the use of the polynomial convenience classes
* DOC: Improve numpy reference documentation of polynomial classes
* ENH: Improve the computation of polynomials from roots
* STY: Code cleanup in polynomial [*]fromroots functions
* DOC: Remove references to cast and NA, which were added in 1.7