ap: Change Log

v0.3.0

LSAP solver auto-computes big-M.
LSAP solver provides M and SetM methods.
Update Go to v1.21.
Update linting and GitHub Actions.
Assigners operate on generic signed int types.
Remove Int64* interface prefixes.
Improve docs and examples.

v0.2.0

#12: Add cycle and matrix output to lsap command
- lsap provides -cycles and -matrix flags for assignment forms.
- ap.Matrix is now a [][]int8 instead of [][]bool.
#10: Add reduced cost and dual price output to lsap command
- lsap uses -dual and -rc flags for dual prices and reduced costs.
#6: Provide Cycle struct and method
- Adds ap.Cycle and ap.Cycles.
- Permutation, Cycles, and Matrix structs all convert to each other.
- All assignment problem representations provide Inverse methods.
#5: Rename "Assignment" to "Permutation"
- ap.Assignment renamed to ap.Permutation.
- ap.Inverse(ap.Assignment) is now Permutation.Inverse().
- ap.ToMatrix(ap.Assignment) is now Permutation.Matrix().
- ap.ToPermutation(ap.Matrix) is now Matrix.Permutation().

v0.1.0

#1: AP code and module refactor
- New API supports multiple forms of assignment problems.
- Splits code into ap and lsap packages.
- Adds benchmarks and examples.
- Adopts Go modules and versioning.
- Adds lsap binary under cmd subfolder.
- Licenses library under APL v2.