org.apache.pulsar.client.util.MathUtils Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.pulsar.client.util;
import lombok.experimental.UtilityClass;
@UtilityClass
public class MathUtils {
/**
* Compute sign safe mod.
*
* @param dividend
* @param divisor
* @return
*/
public static int signSafeMod(long dividend, int divisor) {
int mod = (int) (dividend % divisor);
if (mod < 0) {
mod += divisor;
}
return mod;
}
/**
* Ceil version of Math.floorDiv().
* @param x the dividend
* @param y the divisor
* @return the smallest value that is larger than or equal to the algebraic quotient.
*
*/
public static int ceilDiv(int x, int y) {
return -Math.floorDiv(-x, y);
}
}