1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.contacts.util; 18 19 /** 20 * Useful math functions that aren't in java.lang.Math 21 */ 22 public class MoreMath { 23 /** 24 * If the input value lies outside of the specified range, return the nearer 25 * bound. Otherwise, return the input value, unchanged. 26 */ 27 public static int clamp(int input, int lowerBound, int upperBound) { 28 if (input < lowerBound) return lowerBound; 29 if (input > upperBound) return upperBound; 30 return input; 31 } 32 33 /** 34 * If the input value lies outside of the specified range, return the nearer 35 * bound. Otherwise, return the input value, unchanged. 36 */ 37 public static float clamp(float input, float lowerBound, float upperBound) { 38 if (input < lowerBound) return lowerBound; 39 if (input > upperBound) return upperBound; 40 return input; 41 } 42 43 /** 44 * If the input value lies outside of the specified range, return the nearer 45 * bound. Otherwise, return the input value, unchanged. 46 */ 47 public static double clamp(double input, double lowerBound, double upperBound) { 48 if (input < lowerBound) return lowerBound; 49 if (input > upperBound) return upperBound; 50 return input; 51 } 52 } 53
