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; } }