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/**
* Description: provide the information for evaluating of a response (target)
*
* Author Create/Modi Note
* Xiaofeng Xie Mar 1, 2003
* Xiaofeng Xie May 11, 2004
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* Please acknowledge the author(s) if you use this code in any way.
*/
package net.adaptivebox.encode;
import net.adaptivebox.global.BasicBound;
public class EvalElement {
// The weight for each response (target)
private static final double weight = 1;
/**
* The expected range of the response value, forms the following objective:
*
* <pre>
* NO minValue maxValue : THE ELEMENT OF BasicBound
* 1 MINDOUBLE, MINDOUBLE: the minimize objective
* 2 MAXDOUBLE, MAXDOUBLE: the maximize objective
* 3 MINDOUBLE, v : the less than constraint {@literal (<v)}
* 4 v , MAXDOUBLE: the larger than constraint {@literal (>v)}
* 5 v1 , v2 : the region constraint, i.e. belongs to [v1, v2]
*
* OPTIM type: the No.1 and No.2
* CONS type: the last three
* </pre>
*/
public BasicBound targetBound = new BasicBound();
public boolean isOptType() {
return ((targetBound.minValue == BasicBound.MINDOUBLE && targetBound.maxValue == BasicBound.MINDOUBLE)
|| (targetBound.minValue == BasicBound.MAXDOUBLE && targetBound.maxValue == BasicBound.MAXDOUBLE));
}
public double evaluateCONS(double targetValue) {
if (targetValue < targetBound.minValue) {
return weight * (targetBound.minValue - targetValue);
}
if (targetValue > targetBound.maxValue) {
return weight * (targetValue - targetBound.maxValue);
}
return 0;
}
public double evaluateOPTIM(double targetValue) {
if (targetBound.maxValue == BasicBound.MINDOUBLE) { // min mode
return weight * targetValue;
} else { // max
return -weight * targetValue;
}
}
}
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