This functions NEEDS a cost vector specified in ``fileName.cost''!!!
Maximizes/Minimizes given linear cost function over the lattice
points in the polytope given in ``fileName''. Digging algorithm
[5] is used. Optimal point and optimal value is returned.
./maximize fileName
./minimize fileName
Maximizes/Minimizes given linear cost function over the lattice
points in the polytope given in ``fileName''. Binary search
algorithm is used. Only optimal value is returned.