org.apache.poi.xslf.model.geom.SqrtExpression Maven / Gradle / Ivy
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* 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
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package org.apache.poi.xslf.model.geom;
import java.util.regex.Matcher;
/**
* Square Root Formula:
*
* Arguments: 1 (fmla="sqrt x")
* Usage: "sqrt x" = sqrt(x) = value of this guide
*
* @author Yegor Kozlov
*/
public class SqrtExpression implements Expression {
private String arg;
SqrtExpression(Matcher m){
arg =m.group(1);
}
public double evaluate(Context ctx){
double val = ctx.getValue(arg);
return Math.sqrt(val);
}
}