Here you can find the source of unsignedDiv(long l1, long l2)
public static long unsignedDiv(long l1, long l2)
//package com.java2s; /*/*from w w w .j ava 2 s . c om*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static long unsignedDiv(long l1, long l2) { long unsignedRes = 0L; if (l1 >= 0L) { if (l2 >= 0L) unsignedRes = l1 / l2; } else if (l2 >= 0L && (l1 -= (unsignedRes = ((l1 >>> 1) / l2) << 1) * l2) < 0L || l1 >= l2) unsignedRes++; return unsignedRes; } }