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
17package com.android.contacts.util;
18
19/**
20 * Useful math functions that aren't in java.lang.Math
21 */
22public 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