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NumPy v1.16.6 Release Notes

Release Date: 2019-12-29 // over 4 years ago

  • 🚀 NumPy 1.16.6 Release Notes

    🚀 The NumPy 1.16.6 release fixes bugs reported against the 1.16.5 release,
    👀 and also backports several enhancements from master that seem
    🚀 appropriate for a release series that is the last to support Python 2.7.
    The wheels on PyPI are linked with OpenBLAS v0.3.7, which should fix
    errors on Skylake series cpus.

    🚀 Downstream developers building this release should use Cython >= 0.29.2
    👍 and, if using OpenBLAS, OpenBLAS >= v0.3.7. The supported Python
    🔖 versions are 2.7 and 3.5-3.7.

    Highlights

    • ⚡️ The np.testing.utils functions have been updated from 1.19.0-dev0.
      📚 This improves the function documentation and error messages as well
      extending the assert_array_compare function to additional types.

    🆕 New functions

    👍 Allow matmul (@) to work with object arrays.

    👀 This is an enhancement that was added in NumPy 1.17 and seems reasonable
    🚀 to include in the LTS 1.16 release series.

    Compatibility notes

    🛠 Fix regression in matmul (@) for boolean types

    Booleans were being treated as integers rather than booleans, which was
    a regression from previous behavior.

    👌 Improvements

    Array comparison assertions include maximum differences

    ✅ Error messages from array comparison tests such as
    ✅ testing.assert_allclose now include "max absolute difference" and
    "max relative difference," in addition to the previous "mismatch"
    ⚡️ percentage. This information makes it easier to update absolute and
    relative error tolerances.

    Contributors

    🚀 A total of 10 people contributed to this release.

    • CakeWithSteak
    • Charles Harris
    • Chris Burr
    • Eric Wieser
    • Fernando Saravia
    • Lars Grueter
    • Matti Picus
    • Maxwell Aladago
    • Qiming Sun
    • Warren Weckesser

    🔀 Pull requests merged

    🚀 A total of 14 pull requests were merged for this release.

    • #14211: BUG: Fix
      uint-overflow if padding with linear_ramp and negative...
    • #14275: BUG: fixing to
      👍 allow unpickling of PY3 pickles from PY2
    • #14340: BUG: Fix
      misuse of .names and .fields in various places (backport...
    • ✅ #14423: BUG: test, fix
      regression in converting to ctypes.
    • 🛠 #14434: BUG: Fixed
      maximum relative error reporting in assert_allclose
    • #14509: BUG: Fix
      regression in boolean matmul.
    • #14686: BUG: properly
      define PyArray_DescrCheck
    • #14853: BLD: add 'apt
      ⚡️ update' to shippable
    • #14854: BUG: Fix
      _ctypes class circular reference. (#13808)
    • #14856: BUG: Fix
      🐧 [np.einsum]{.title-ref} errors on Power9 Linux and z/Linux
    • #14863: BLD: Prevent
      -flto from optimising long double representation...
    • #14864: BUG: lib: Fix
      histogram problem with signed integer arrays.
    • #15172: ENH: Backport
      👌 improvements to testing functions.
    • #15191: REL: Prepare
      🚀 for 1.16.6 release.

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