Here you can find the source of doubleToRawLongBits(double d)
public static long doubleToRawLongBits(double d)
//package com.java2s; public class Main { /**/*from ww w .j a v a 2s .c o m*/ * @exclude */ public static long doubleToRawLongBits(double d) { return Double.doubleToRawLongBits(d); } }