/*
* Copyright 2014 NAVER Corp.
*
* Licensed 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 com.navercorp.pinpoint.common.util;
/**
* @author emeroad
*/
public final class MathUtils {
private MathUtils() {
}
public static int fastAbs(final int value) {
return value & Integer.MAX_VALUE;
}
public static long roundToNearestMultipleOf(final long num, final long multipleOf) {
if (num < 0) {
throw new IllegalArgumentException("num cannot be negative");
}
if (multipleOf < 1) {
throw new IllegalArgumentException("cannot round to nearest multiple of values less than 1");
}
if (num < multipleOf) {
return multipleOf;
}
if ((num % multipleOf) >= (multipleOf / 2.0)) {
return (num + multipleOf) - (num % multipleOf);
} else {
return num - (num % multipleOf);
}
}
}