Now saving primal/dual ray when computed, and exploiting this knowledge. Computes a dual ray by solving an LP with zero objective, if necessary. Written Highs::getDualUnboundednessDirection and Highs::getPrimalUnboundednessDirection. Computes a dual ray for (the relaxation of) a MIP.
Now saving primal/dual ray when computed, and exploiting this knowledge. Computes a dual ray by solving an LP with zero objective, if necessary. Written
Highs::getDualUnboundednessDirection
andHighs::getPrimalUnboundednessDirection
. Computes a dual ray for (the relaxation of) a MIP.