001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019/** 020 * Implements the CFML Function bitshrn 021 */ 022package lucee.runtime.functions.math; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.FunctionException; 026import lucee.runtime.ext.function.Function; 027 028public final class BitSHRN implements Function { 029 030 public static double call(PageContext pc , double dnumber, double dcount) throws FunctionException { 031 int number=(int) dnumber,count=(int) dcount; 032 if(count > 31 || count < 0) 033 throw new FunctionException(pc,"bitSHRN",2,"count","must be beetween 0 and 31 now "+count); 034 035 return number >>> count; 036 } 037}