v1.3.0

Uno v1.3.0 implements the following changes:

Features

• interface to the HiGHS LP solver. Available via option LP_solver=HiGHS (#72);
• filterslp preset: a trust-region restoration filter Sequential Linear Programming (SLP) method. Available via option preset=filterslp (#88).

Bug fixes

• better handling of warmstart information (#83);
• feasibility multipliers that correspond to active trust-region constraints are also reset in the trial iterate (#83).

Improvements:

• clear precedence rules for setting options: option file > preset > individual option (#85);
• additional unit tests (#90).