tree.java

Genetic Programming。GP算法在方程逼近求解上的应用。

//Tree Node,store information about fitness and Root Node of An individual
class Tree {
        public TreeNode program;
        double standardizedFitness;
        double adjustedFitness;
        double normalizedFitness;
        int hits;

        Tree(TreeNode p) {
                program = (TreeNode)p.clone();
                standardizedFitness = 0.0;
                adjustedFitness = 0.0;
                normalizedFitness = 0.0;
                hits = 0;
        }

        Tree copy() {
                Tree newInd = new Tree(this.program);
                newInd.standardizedFitness = this.standardizedFitness;
                newInd.adjustedFitness = this.adjustedFitness;
                newInd.normalizedFitness = this.normalizedFitness;
                newInd.hits = this.hits;
                return newInd;
        }

}