src/org/apache/pig/builtin/ACOS.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

package org.apache.pig.builtin;

/**
 * ACOS implements a binding to the Java function
 * {@link java.lang.Math#acos(double) Math.acos(double)} for computing the
 * arc cosine of value of the argument. The returned value will be a double which is 
 * the arc cosine of the value of  input.
 * 
 */
public class ACOS extends DoubleBase{
	
	Double compute(Double input){
		return Math.acos(input);
		
	}
}