159 lines
7.9 KiB
ReStructuredText
159 lines
7.9 KiB
ReStructuredText
==========================
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NumPy 1.10.2 Release Notes
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==========================
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This release deals with a number of bugs that turned up in 1.10.1 and
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adds various build and release improvements.
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Numpy 1.10.1 supports Python 2.6 - 2.7 and 3.2 - 3.5.
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Compatibility notes
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===================
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Relaxed stride checking is no longer the default
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------------------------------------------------
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There were back compatibility problems involving views changing the dtype of
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multidimensional Fortran arrays that need to be dealt with over a longer
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timeframe.
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Fix swig bug in ``numpy.i``
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---------------------------
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Relaxed stride checking revealed a bug in ``array_is_fortran(a)``, that was
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using PyArray_ISFORTRAN to check for Fortran contiguity instead of
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PyArray_IS_F_CONTIGUOUS. You may want to regenerate swigged files using the
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updated numpy.i
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Deprecate views changing dimensions in fortran order
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----------------------------------------------------
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This deprecates assignment of a new descriptor to the dtype attribute of
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a non-C-contiguous array if it result in changing the shape. This
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effectively bars viewing a multidimensional Fortran array using a dtype
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that changes the element size along the first axis.
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The reason for the deprecation is that, when relaxed strides checking is
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enabled, arrays that are both C and Fortran contiguous are always treated
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as C contiguous which breaks some code that depended the two being mutually
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exclusive for non-scalar arrays of ndim > 1. This deprecation prepares the
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way to always enable relaxed stride checking.
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Issues Fixed
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============
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* gh-6019 Masked array repr fails for structured array with multi-dimensional column.
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* gh-6462 Median of empty array produces IndexError.
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* gh-6467 Performance regression for record array access.
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* gh-6468 numpy.interp uses 'left' value even when x[0]==xp[0].
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* gh-6475 np.allclose returns a memmap when one of its arguments is a memmap.
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* gh-6491 Error in broadcasting stride_tricks array.
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* gh-6495 Unrecognized command line option '-ffpe-summary' in gfortran.
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* gh-6497 Failure of reduce operation on recarrays.
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* gh-6498 Mention change in default casting rule in 1.10 release notes.
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* gh-6530 The partition function errors out on empty input.
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* gh-6532 numpy.inner return wrong inaccurate value sometimes.
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* gh-6563 Intent(out) broken in recent versions of f2py.
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* gh-6569 Cannot run tests after 'python setup.py build_ext -i'
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* gh-6572 Error in broadcasting stride_tricks array component.
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* gh-6575 BUG: Split produces empty arrays with wrong number of dimensions
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* gh-6590 Fortran Array problem in numpy 1.10.
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* gh-6602 Random __all__ missing choice and dirichlet.
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* gh-6611 ma.dot no longer always returns a masked array in 1.10.
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* gh-6618 NPY_FORTRANORDER in make_fortran() in numpy.i
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* gh-6636 Memory leak in nested dtypes in numpy.recarray
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* gh-6641 Subsetting recarray by fields yields a structured array.
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* gh-6667 ma.make_mask handles ma.nomask input incorrectly.
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* gh-6675 Optimized blas detection broken in master and 1.10.
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* gh-6678 Getting unexpected error from: X.dtype = complex (or Y = X.view(complex))
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* gh-6718 f2py test fail in pip installed numpy-1.10.1 in virtualenv.
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* gh-6719 Error compiling Cython file: Pythonic division not allowed without gil.
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* gh-6771 Numpy.rec.fromarrays losing dtype metadata between versions 1.9.2 and 1.10.1
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* gh-6781 The travis-ci script in maintenance/1.10.x needs fixing.
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* gh-6807 Windows testing errors for 1.10.2
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Merged PRs
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==========
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The following PRs have been merged into 1.10.2. When the PR is a backport,
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the PR number for the original PR against master is listed.
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* gh-5773 MAINT: Hide testing helper tracebacks when using them with pytest.
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* gh-6094 BUG: Fixed a bug with string representation of masked structured arrays.
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* gh-6208 MAINT: Speedup field access by removing unneeded safety checks.
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* gh-6460 BUG: Replacing the os.environ.clear by less invasive procedure.
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* gh-6470 BUG: Fix AttributeError in numpy distutils.
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* gh-6472 MAINT: Use Python 3.5 instead of 3.5-dev for travis 3.5 testing.
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* gh-6474 REL: Update Paver script for sdist and auto-switch test warnings.
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* gh-6478 BUG: Fix Intel compiler flags for OS X build.
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* gh-6481 MAINT: LIBPATH with spaces is now supported Python 2.7+ and Win32.
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* gh-6487 BUG: Allow nested use of parameters in definition of arrays in f2py.
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* gh-6488 BUG: Extend common blocks rather than overwriting in f2py.
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* gh-6499 DOC: Mention that default casting for inplace operations has changed.
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* gh-6500 BUG: Recarrays viewed as subarrays don't convert to np.record type.
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* gh-6501 REL: Add "make upload" command for built docs, update "make dist".
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* gh-6526 BUG: Fix use of __doc__ in setup.py for -OO mode.
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* gh-6527 BUG: Fix the IndexError when taking the median of an empty array.
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* gh-6537 BUG: Make ma.atleast_* with scalar argument return arrays.
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* gh-6538 BUG: Fix ma.masked_values does not shrink mask if requested.
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* gh-6546 BUG: Fix inner product regression for non-contiguous arrays.
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* gh-6553 BUG: Fix partition and argpartition error for empty input.
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* gh-6556 BUG: Error in broadcast_arrays with as_strided array.
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* gh-6558 MAINT: Minor update to "make upload" doc build command.
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* gh-6562 BUG: Disable view safety checks in recarray.
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* gh-6567 BUG: Revert some import * fixes in f2py.
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* gh-6574 DOC: Release notes for Numpy 1.10.2.
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* gh-6577 BUG: Fix for #6569, allowing build_ext --inplace
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* gh-6579 MAINT: Fix mistake in doc upload rule.
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* gh-6596 BUG: Fix swig for relaxed stride checking.
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* gh-6606 DOC: Update 1.10.2 release notes.
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* gh-6614 BUG: Add choice and dirichlet to numpy.random.__all__.
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* gh-6621 BUG: Fix swig make_fortran function.
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* gh-6628 BUG: Make allclose return python bool.
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* gh-6642 BUG: Fix memleak in _convert_from_dict.
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* gh-6643 ENH: make recarray.getitem return a recarray.
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* gh-6653 BUG: Fix ma dot to always return masked array.
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* gh-6668 BUG: ma.make_mask should always return nomask for nomask argument.
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* gh-6686 BUG: Fix a bug in assert_string_equal.
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* gh-6695 BUG: Fix removing tempdirs created during build.
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* gh-6697 MAINT: Fix spurious semicolon in macro definition of PyArray_FROM_OT.
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* gh-6698 TST: test np.rint bug for large integers.
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* gh-6717 BUG: Readd fallback CBLAS detection on linux.
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* gh-6721 BUG: Fix for #6719.
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* gh-6726 BUG: Fix bugs exposed by relaxed stride rollback.
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* gh-6757 BUG: link cblas library if cblas is detected.
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* gh-6756 TST: only test f2py, not f2py2.7 etc, fixes #6718.
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* gh-6747 DEP: Deprecate changing shape of non-C-contiguous array via descr.
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* gh-6775 MAINT: Include from __future__ boilerplate in some files missing it.
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* gh-6780 BUG: metadata is not copied to base_dtype.
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* gh-6783 BUG: Fix travis ci testing for new google infrastructure.
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* gh-6785 BUG: Quick and dirty fix for interp.
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* gh-6813 TST,BUG: Make test_mvoid_multidim_print work for 32 bit systems.
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* gh-6817 BUG: Disable 32-bit msvc9 compiler optimizations for npy_rint.
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* gh-6819 TST: Fix test_mvoid_multidim_print failures on Python 2.x for Windows.
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Initial support for mingwpy was reverted as it was causing problems for
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non-windows builds.
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* gh-6536 BUG: Revert gh-5614 to fix non-windows build problems
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A fix for np.lib.split was reverted because it resulted in "fixing"
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behavior that will be present in the Numpy 1.11 and that was already
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present in Numpy 1.9. See the discussion of the issue at gh-6575 for
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clarification.
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* gh-6576 BUG: Revert gh-6376 to fix split behavior for empty arrays.
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Relaxed stride checking was reverted. There were back compatibility
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problems involving views changing the dtype of multidimensional Fortran
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arrays that need to be dealt with over a longer timeframe.
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* gh-6735 MAINT: Make no relaxed stride checking the default for 1.10.
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Notes
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=====
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A bug in the Numpy 1.10.1 release resulted in exceptions being raised for
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``RuntimeWarning`` and ``DeprecationWarning`` in projects depending on Numpy.
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That has been fixed.
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