v0.1.5

[erp12]

API changes

• Separated "types" and "stacks" in a more logical way. Various arguments have been renamed.
• Made verbosity config easier to configure and use.
• Add optional argument to PushStack for pushing initial values. Useful for custom fitness functions.
• Added the PushTypeLibrary abstraction.

Internals

• Changed how core instructions can be added to instruction sets.
• Added support for smaller numpy ints than int64.
• Improved performance with respect to monitoring/verbosity.
• Fixed rarely occurring non-deterministic type matching.

Development / Repository

• Added tutorials/point_distance.py example to demonstrate custom types.
• Added documentation article push types.
• Moved style checking from tests to CI

Known Issues

• Programs that have literal values of custom types are not be serializable to JSON.

Report issues on the Github <https://github.com/erp12/pyshgp/issues>_.

Credits

This release would not have been possible without the following contributors:

• Blossom Metevier.

  • Reported lack of support for smaller numpy int types.
  • Demonstrated the annoyance of style checking in tests.

• Julian Oks

  • Demonstrated a need for PushState initial values argument.