tmf/org.lttng.scope.tmf2.views.core/src/org/lttng/scope/tmf2/views/core/MathUtils.java

   1 /*
   2  * Copyright (C) 2017 EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.lttng.scope.tmf2.views.core;
  11
  12 /**
  13  * Uncommon math utility methods.
  14  *
  15  * @author Alexandre Montplaisir
  16  */
  17 public final class MathUtils {
  18
  19     private MathUtils() {}
  20
  21     /**
  22      * Find the multiple of 'multipleOf' that is greater but closest to
  23      * 'number'. If 'number' is already a multiple of 'multipleOf', the same
  24      * value will be returned.
  25      *
  26      * @param number
  27      *            The starting number
  28      * @param multipleOf
  29      *            We want the returned value to be a multiple of this number
  30      * @return The closest, greater multiple
  31      */
  32     public static long roundToClosestHigherMultiple(long number, long multipleOf) {
  33         return (long) (Math.ceil((double) number / multipleOf) * multipleOf);
  34     }
  35 }