/**
* This file is part of FNLP (formerly FudanNLP).
*
* FNLP 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 3 of the License, or
* (at your option) any later version.
*
* FNLP 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.
*
* You should have received a copy of the GNU General Public License
* along with FudanNLP. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2009-2014 www.fnlp.org. All rights reserved.
*/
package org.fnlp.nlp.pipe;
import java.io.Serializable;
import org.fnlp.ml.types.Instance;
import org.fnlp.ml.types.sv.SparseVector;
/**
* 归一化，data类型须为SparseVector
* @author xpqiu
*
*/
public class Normalize extends Pipe implements Serializable {
private static final long serialVersionUID = -4740915822925015609L;
@Override
public void addThruPipe(Instance instance) {
SparseVector data = (SparseVector) instance.getData();
data.normalize();
}
}