EqualNode.java

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package com.graphbuilder.math;

public class EqualNode extends OpNode {

    //private final boolean debug = true;
    
    public EqualNode(Expression leftChild, Expression rightChild) {
        super(leftChild, rightChild);
    }

    //@Override
    public String getSymbol() {
        return "==";
    }

    //@Override
    public double eval(VarMap v, FuncMap f) {
        double a = leftChild.eval(v, f);
        double b = rightChild.eval(v, f);
        if (Double.compare(a, b) == 0)
            return 0.0;
        else
            return 1.0;
    }

}