CostDeltaAcceptanceFunction.cpp

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#include "CostDeltaAcceptanceFunction.hpp"

namespace ISM
{
        bool CostDeltaAcceptanceFunction::isNewCostAcceptable(double newCost, double oldCost)
        {
                return newCost < (1 + mCurrentAcceptableCostDelta) * oldCost;
        }

        void CostDeltaAcceptanceFunction::update()
        {
                mCurrentAcceptableCostDelta = 
                        std::max(0., mCurrentAcceptableCostDelta - mInitialAcceptableCostDelta * mCostDeltaDecreaseFactor);
        }

        void CostDeltaAcceptanceFunction::reset()
        {
                mCurrentAcceptableCostDelta = mInitialAcceptableCostDelta;
        }
}