Here you can find the source of divideAndRoundDown(long number, long divisor)
private static long divideAndRoundDown(long number, long divisor)
//package com.java2s; /*//from ww w .j ava 2s.c o m * 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 { private static long divideAndRoundDown(long number, long divisor) { return number / divisor - ((number < 0 && number % divisor != 0) ? 1 : 0); } }