Here you can find the source of minCoverageEstimate(short mask)
private static final int minCoverageEstimate(short mask)
//package com.java2s; /******************************************************************************* * Copyright 2013 EMBL-EBI/*w w w . ja va 2s.c o m*/ * * 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. ******************************************************************************/ public class Main { private static final int minCoverageEstimate(short mask) { int coverage = 15 & mask; coverage += 15 & (mask >>> 4); coverage += 15 & (mask >>> 8); coverage += 15 & (mask >>> 12); return coverage; } }