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IloVarImpact

public IloIntVarEval IloVarImpact(IloEnv env)
Definition file: ilcp/cp.h
Returns a variable evaluator which gives the impact of a variable.

This function returns a variable evaluator. The evaluation is the the average reduction of the search space observed so far for this variable. The greater the evaluation, the more space reduction this variable achieves. In general, it is a good strategy to start with variable having the greatest impact in order to reduce the search space size.

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