1 /*
2  * Copyright (C) 2011 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.dex.util;
18 
19 /**
20  * Unsigned arithmetic over Java's signed types.
21  */
22 public final class Unsigned {
Unsigned()23     private Unsigned() {}
24 
compare(short ushortA, short ushortB)25     public static int compare(short ushortA, short ushortB) {
26         if (ushortA == ushortB) {
27             return 0;
28         }
29         int a = ushortA & 0xFFFF;
30         int b = ushortB & 0xFFFF;
31         return a < b ? -1 : 1;
32     }
33 
compare(int uintA, int uintB)34     public static int compare(int uintA, int uintB) {
35         if (uintA == uintB) {
36             return 0;
37         }
38         long a = uintA & 0xFFFFFFFFL;
39         long b = uintB & 0xFFFFFFFFL;
40         return a < b ? -1 : 1;
41     }
42 }
43