Changelog for the naginterfaces Python Package

Changes in version 27.0.2.0

March 16, 2020

This is a minor update containing functionality enhancements and bug fixes.

All changes are backwards compatible with code using other releases from the 27.0 line.

The primary supported versions of CPython 3 and associated NumPy have been increased.

Enhancements

Documentation

  • Expanded the advice on suggested values for some parameters.

Fixes

API

Library Functionality

  • The underlying NAG algorithmic Engine has been corrected so that the presolver used by LP and SOCP optimization routines checks infeasibility first when modifying bounds of non-singleton variables.

Platform Support

  • The primary CPython 3 supported is now Python 3.8.
  • The primary supported NumPy version for Python 3 is now 1.17.
  • Support for Python 3.4 has been dropped.

Changes in version 27.0.1.3

December 17, 2019

This is a bug-fix update which also contains some documentation enhancements.

Enhancements

Documentation

  • Improved the usage of bold text and the ceiling function, and the display of fractions and tables.
  • More intra-routine cross-referencing has been added.
  • Introduced new References subsections.

Fixes

Documentation

  • Annotations for when an argument represents a base-1 array index are now present in more places in the naginterfaces.library.sort submodule.

Run Time

Changes in version 27.0.1.2

October 16, 2019

This is a minor update for compatibility with Python 3.8 on Windows.

Enhancements

Run Time

  • The loading on Windows of the underlying DLL for the NAG algorithmic Engine has been updated. It is now compatible with changes to the ctypes module in Python 3.8.

Changes in version 27.0.1.1

October 08, 2019

This is a bug-fix update which also contains some documentation enhancements.

Enhancements

Documentation

  • Function descriptions have been expanded.

Fixes

Documentation

Run Time

Changes in version 27.0.1.0

September 04, 2019

This is a minor update containing functionality enhancements and bug fixes.

All changes are backwards compatible with code using other releases from the 27.0 line.

Enhancements

API

  • Integer scalars may now be supplied for real-valued input, and will be promoted internally. The same is true for integer arrays as long as the associated array in the NAG wrapper is not to be modified in place.

    For example, instead of

    specfun.bessel_i0_real_vector([0., 1., 3., 6.])
    

    one is now permitted to use

    specfun.bessel_i0_real_vector([0, 1, 3, 6])
    

Documentation

Examples

Fixes

Run Time

Changes in version 27.0.0.1

July 23, 2019

This is a bug-fix update.

Fixes

Documentation

Run Time

Changes in version 27.0.0.0

July 10, 2019

This is a major update. It contains some backwards incompatible changes; see also the Interface Changes document.

Highlights

  • New algorithmic functionality.
  • The underlying NAG library on Linux now uses 64-bit integers.

New Algorithmic Functionality

See the News document for a full list of new routines in this release.

Removed Algorithmic Functionality

In this major update some previously-deprecated functions have been removed. See the Replacement Calls document for more information.

Enhancements

API

Documentation

  • The Quick Start has been simplified and now calls naginterfaces.library.opt.bounds_quasi_func_easy().
  • The descriptions of communication objects (comm) have been expanded in many cases.
  • Styling improvements have enhanced the layout and usage of space across all pages.
  • Sections listing exceptions have been streamlined by collapsing duplicated entries together.

Run Time

Fixes

Documentation

Run Time

Platform Support

  • The primary supported Intel Python is now 2019 (Python 3.6).
  • The primary supported NumPy version is now 1.16. The minimum supported version is 1.15.
  • This release has dropped support for macOS 10.12/Sierra.

Changes in version 26.2.2.4

February 13, 2019

This is a bug-fix update.

Fixes

Documentation

Run Time

Changes in version 26.2.2.3

December 19, 2018

This is a bug-fix update.

Fixes

Documentation

  • Tables are now rendered in the HTML documentation.

Run Time

  • Diagnostic messages on Windows when a licence could not be validated have been made more helpful.

    See also the Resolved Issues document.

  • Further improvements to the handling of ‘spiked’ arrays, this time in callback functions.

    See also the Resolved Issues document.

  • Improved checking of storage-order compatibility in callback functions.

Changes in version 26.2.2.2

December 11, 2018

This is a bug-fix update.

Fixes

Run Time

Changes in version 26.2.2.1

December 04, 2018

This is a bug-fix update.

Fixes

Run Time

  • The Windows package now operates more effectively in the presence of incompatible compiler run time libraries.

Changes in version 26.2.2.0

November 26, 2018

This is a minor update containing functionality enhancements and bug fixes.

All changes are backwards compatible with code using other releases from the 26.2 line.

Enhancements

Documentation

  • Warnings raised by functions are now documented in a distinct Warns section, separate from any existing Raises section.
  • A new documentation section Other Parameters has been added to routines that use optional algorithmic parameters.

Examples

Fixes

Documentation

  • Array slices in the documentation now follow Python’s half-open semantics.

Run Time

  • The stack context for an algorithmic warning raised by a withdrawn routine has been made more accurate.

  • Rank checking has been fixed for rank-1 NumPy arrays.

    See also the Resolved Issues document.

Platform Support

  • The package now officially supports macOS 10.14/Mojave.

Changes in version 26.2.1.2

October 26, 2018

This is a bug-fix update.

Fixes

Run Time

Changes in version 26.2.1.1

October 08, 2018

This is a bug-fix update.

Fixes

Documentation

Run Time

Changes in version 26.2.1.0

September 17, 2018

This is a minor update containing functionality enhancements and bug fixes.

All changes are backwards compatible with code using other releases from the 26.2 line.

The primary supported CPython 3 and NumPy versions have been increased.

Enhancements

Examples

Run Time

  • Diagnostic output has been improved when the underlying NAG library fails to load (which is usually because incompatible runtimes have been loaded ahead of it).
  • Diagnostic output has been improved when arrays having differing storage orders are supplied on input or are returned from a user-supplied callback.
  • Added run-time diagnostic for the use of unsupported 32-bit Python (on Windows).

Platform Support

  • The primary CPython 3 supported is now Python 3.7.
  • The primary NumPy supported is now 1.15, for both PyPI and Intel Python.

Changes in version 26.2.0.2

August 21, 2018

This is a bug-fix update.

Fixes

Run Time

Changes in version 26.2.0.1

August 07, 2018

This is a bug-fix update.

Fixes

Documentation

  • Cross referencing made more accurate between functions and examples in which they are called.

Run Time

Changes in version 26.2.0.0

July 25, 2018

The first release of the package.