SimilarityMethod.hpp Source File

00001 /*==========================================================================
00002  * Copyright (c) 2002 University of Massachusetts.  All Rights Reserved.
00003  *
00004  * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
00005  * is subject to the terms of the software license set forth in the LICENSE
00006  * file included with this software, and also available at
00007  * http://www.lemurproject.org/license.html
00008  *
00009  *==========================================================================
00010 */
00011 /*
00012   Author: dmf 11/2002
00013  */
00014 
00015 #ifndef _SIMILARITYMETHOD_HPP
00016 #define _SIMILARITYMETHOD_HPP
00017 #include "ClusterRep.hpp"
00019 class SimilarityMethod {
00020 public:
00021   SimilarityMethod() {}
00022   virtual ~SimilarityMethod() {}
00024   virtual void weigh(ClusterRep *vec) const {}
00026   virtual double similarity(const ClusterRep *vec1, 
00027                             const ClusterRep *vec2) const = 0;
00028 };
00029 
00030 #endif /* _SIMILARITYMETHOD_HPP */