NumPy 1.17.4 Release Notes#

This release contains fixes for bugs reported against NumPy 1.17.3 along with some build improvements. The Python versions supported in this release are 3.5-3.8.

Downstream developers should use Cython >= 0.29.13 for Python 3.8 support and OpenBLAS >= 3.7 to avoid errors on the Skylake architecture.

Highlights#

  • Fixed random.random_integers biased generation of 8 and 16 bit integers.

  • Fixed np.einsum regression on Power9 and z/Linux.

  • Fixed histogram problem with signed integer arrays.

Contributors#

A total of 5 people contributed to this release. People with a “+” by their names contributed a patch for the first time.

  • Charles Harris

  • Chris Burr +

  • Matti Picus

  • Qiming Sun +

  • Warren Weckesser

Pull requests merged#

A total of 8 pull requests were merged for this release.

  • #14758: BLD: declare support for python 3.8

  • #14781: BUG: random: biased samples from integers() with 8 or 16 bit…

  • #14851: BUG: Fix _ctypes class circular reference. (#13808)

  • #14852: BLD: add ‘apt update’ to shippable

  • #14855: BUG: Fix np.einsum errors on Power9 Linux and z/Linux

  • #14857: BUG: lib: Fix histogram problem with signed integer arrays.

  • #14858: BLD: Prevent -flto from optimising long double representation…

  • #14866: MAINT: move buffer.h -> npy_buffer.h to avoid conflicts

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