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/**
* SkillAPI
* com.sucy.skill.data.formula.operator.Log
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Steven Sucy
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.sucy.skill.data.formula.operator;
import com.sucy.skill.data.formula.IOperator;
/**
* The exponent operation used in formulas
*/
public class Log implements IOperator {
/**
* Performs the operation between the two values
*
* @param a first value
* @param b second value
* @return result
*/
public double compute(double a, double b) {
return a <= 0 || b <= 0 ? 0 : Math.log(a) / Math.log(b);
}
}