CombinFunction.java

Go to the documentation of this file.

package com.graphbuilder.math.func;

import com.graphbuilder.math.PascalsTriangle;

public class CombinFunction implements Function {

    public CombinFunction() {}

    public double of(double[] d, int numParam) {
        int n = (int) d[0];
        int r = (int) d[1];
        return PascalsTriangle.nCr(n, r);
    }

    public boolean acceptNumParam(int numParam) {
        return numParam == 2;
    }

    public String toString() {
        return "choose(n, r)";
    }
}