=========================
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.
``numpy.core`` issues fixed
---------------------------
#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`` issues fixed
--------------------------
#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.f2py`` changes
----------------------
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`` changes
----------------------
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
``numpy.distutils`` issues fixed
-------------------------------
#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`` issues fixed
-----------------------------
BUG: Use npy_intp instead of long in mtrand
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=========
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