Source Code : Fuses the lower 16 bits of two ints.
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Fuses the lower 16 bits of two ints.
/*
* Copyright 2010 Ancora Research Group.
*
* 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.
* under the License.
*/
//package org.ancora.SharedLibrary.MbDynamicMapping;
/**
*
* @author Joao Bispo
*/
public class BitUtils {
/**
* Fuses the lower 16 bits of two ints.
*
* TODO: Verify correcteness.
* <p>Ex.:
* upper16 = 1001
* lower16 = 101
* result = 00000000000010010000000000000101
*
* @param upper16
* @param lower16
* @return
*/
public static int fuseInt(int upper16, int lower16){
// Mask the 16 bits of each one
upper16 = upper16 & Integer.parseInt("0000FFFF", 16);
lower16 = lower16 & Integer.parseInt("0000FFFF", 16);
// Shift Upper16
upper16 = upper16 << 16;
// Merge
return upper16 | lower16;
}
}
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