Here you can find the source of lengthCheck(double[] src, double[] dest)
private static final boolean lengthCheck(double[] src, double[] dest)
//package com.java2s; //License from project: Open Source License public class Main { private static final boolean lengthCheck(double[] src, double[] dest) { return src.length == dest.length; }/* ww w . ja v a 2 s .co m*/ }