Added flag to enable debugging in vertex cache algorithm, to assess how suboptimal the solution is on any particular mesh (testing reveals that it finds the globally optimal solution in more than 99% of all iterations, for typical meshes).
Added flag to enable debugging in vertex cache algorithm, to assess how suboptimal the solution is on any particular mesh (testing reveals that it finds the globally optimal solution in more than 99% of all iterations, for typical meshes).

amorilia/vcache,amorilia/vcache,amorilia/vcache