/*
* Copyright (C) 2010 Google Inc.
*
* 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.
*/
package com.google.clearsilver.jsilver.functions.numeric;
import com.google.clearsilver.jsilver.functions.NonEscapingFunction;
import com.google.clearsilver.jsilver.values.Value;
import static com.google.clearsilver.jsilver.values.Value.literalConstant;
import static java.lang.Math.abs;
/**
* Returns the absolute value of the numeric expressions.
*/
public class AbsFunction extends NonEscapingFunction {
/**
* @param args Single numeric value
* @return Absolute value
*/
public Value execute(Value... args) {
Value arg = args[0];
return literalConstant(abs(arg.asNumber()), arg);
}
}