PAIR- Type of the (point, objective value) pair.
public interface ConvergenceChecker<PAIR>
SimplePointChecker. The first two consider that convergence is reached when the objective function value does not change much anymore, it does not use the point set at all. The third one considers that convergence is reached when the input point set does not change much anymore, it does not use objective function value at all.
iteration- Current iteration.
previous- Best point in the previous iteration.
current- Best point in the current iteration.
trueif the algorithm is considered to have converged.
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