continued SIMD work covering more functions and platforms,
initial work on the new dtype infrastructure and casting,
universal2 wheels for Python 3.8 and Python 3.9 on Mac,
improved documentation,
improved annotations,
new PCG64DXSM bitgenerator for random numbers.
In addition there are the usual large number of bug fixes and other
improvements.
The Python versions supported for this release are 3.7-3.9. Official
support for Python 3.10 will be added when it is released.
:warning: Warning: there are unresolved problems compiling NumPy 1.21.0 with gcc-11.1 .
Optimization level -O3 results in many wrong warnings when running the tests.
On some hardware NumPy will hang in an infinite loop.
New functions
Add PCG64DXSM BitGenerator
Uses of the PCG64 BitGenerator in a massively-parallel context have
been shown to have statistical weaknesses that were not apparent at the
first release in numpy 1.17. Most users will never observe this weakness
and are safe to continue to use PCG64. We have introduced a new
PCG64DXSM BitGenerator that will eventually become the new default
BitGenerator implementation used by default_rng in future releases.
PCG64DXSM solves the statistical weakness while preserving the
performance and the features of PCG64.
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Bumps numpy from 1.19.2 to 1.21.0.
Release notes
Sourced from numpy's releases.
... (truncated)
Commits
b235f9eMerge pull request #19283 from charris/prepare-1.21.0-release34aebc2MAINT: Update 1.21.0-notes.rst493b64bMAINT: Update 1.21.0-changelog.rst07d7e72MAINT: Remove accidentally created directory.032fca5Merge pull request #19280 from charris/backport-192777d25b81BUG: Fix refcount leak in ResultTypefa5754eBUG: Add missing DECREF in new path61127bbMerge pull request #19268 from charris/backport-19264143d45fMerge pull request #19269 from charris/backport-19228d80e473BUG: Removed typing for == and != in dtypesDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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