/*
* Copyright (C) 2000 - 2009 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.expression.function;
import java.util.List;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfNumberData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
/**
* The <B>acos</B> class returns a cfData representing the arccosine value of the number passed in.
* <p>
* <B>Syntax</B> Acos( value ).<BR>
* <B>Parameter</B> value : Any number between 1 and -1.
* <p>
*/
public class asin extends functionBase {
private static final long serialVersionUID = 1L;
public asin(){ min = max = 1; }
public String[] getParamInfo(){
return new String[]{
"number"
};
}
public java.util.Map getInfo(){
return makeInfo(
"math",
"Returns the arc sine value of the number given",
ReturnType.NUMERIC );
}
public cfData execute( cfSession _session, List<cfData> parameters )throws cfmRunTimeException{
return new cfNumberData( Math.asin( getDouble(_session, parameters.get(0) ) ) );
}
}