org.snapscript.dx.util.Unsigned Maven / Gradle / Ivy
/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 org.snapscript.dx.util;
/**
* Unsigned arithmetic over Java's signed types.
*/
public final class Unsigned {
private Unsigned() {}
public static int compare(short ushortA, short ushortB) {
if (ushortA == ushortB) {
return 0;
}
int a = ushortA & 0xFFFF;
int b = ushortB & 0xFFFF;
return a < b ? -1 : 1;
}
public static int compare(int uintA, int uintB) {
if (uintA == uintB) {
return 0;
}
long a = uintA & 0xFFFFFFFFL;
long b = uintB & 0xFFFFFFFFL;
return a < b ? -1 : 1;
}
}