source: src/main/java/agents/anac/y2010/Southampton/analysis/RealEvaluationSection.java

package agents.anac.y2010.Southampton.analysis;

public class RealEvaluationSection extends ContinuousEvaluationSection {

        public RealEvaluationSection(double lowerBound, double evalLowerBound, double upperBound, double evalUpperBound) {
                this.lowerBound = lowerBound;
                this.evalLowerBound = evalLowerBound;
                this.upperBound = upperBound;
                this.evalUpperBound = evalUpperBound;
        }

        /**
         * @param weight
         * @param lowerBound
         * @param evalLowerBound
         * @param upperBound
         * @param evalUpperBound
         * @return
         */
        private double getNormalPart(double weight, double lowerBound, double evalLowerBound, double upperBound, double evalUpperBound) {
                if (lowerBound >= upperBound)
                        throw new AssertionError("lowerBound cannot be greater than or equal to upperBound");
                if (evalLowerBound != 0 && evalUpperBound != 0)
                        throw new AssertionError("evalLowerBound or evalUpperBound must be zero");
                if (evalLowerBound != 1 && evalUpperBound != 1)
                        throw new AssertionError("evalLowerBound or evalUpperBound must be one");
                if (evalUpperBound > evalLowerBound)
                        return weight / (upperBound - lowerBound);
                else
                        return -weight / (upperBound - lowerBound);
        }

        @Override
        public double getNormal(double weight) {
                return getNormalPart(weight, lowerBound, evalLowerBound, upperBound, evalUpperBound);
        }
}