MaxFunction.java

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package com.graphbuilder.math.func;

public class MaxFunction implements Function {

    public MaxFunction() {}

    public double of(double[] d, int numParam) {
        if (numParam == 0)
            return Double.MAX_VALUE;

        double max = -Double.MAX_VALUE;
        for (int i = 0; i < numParam; i++)
            if (d[i] > max)
                max = d[i];
        return max;
    }

    public boolean acceptNumParam(int numParam) {
        return numParam >= 0;
    }

    public String toString() {
        return "max(x1, x2, ..., xn)";
    }
}