00001 /* -*- C++ -*- 00002 00003 textIR - A fast text document retrieval engine 00004 00005 Copyright (C) 2005-2009 Laurence Park 00006 00007 This program is free software: you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation, either version 3 of the License, or 00010 (at your option) any later version. 00011 00012 This program is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with this program. If not, see <http://www.gnu.org/licenses/>. 00019 00020 File information: 00021 $Header: /home/staff/lapark/cvsroot/web_search/textIR/src/Triplef_tfd.h,v 1.2 2009/10/08 06:41:30 lapark Exp $ 00022 */ 00023 00024 #ifndef TRIPLEF_TFD_H 00025 #define TRIPLEF_TFD_H 00026 00027 #include "CodeBlock.h" 00028 #include "Triple.tcc" 00029 #include "Quantise.h" 00030 00050 class Triplef_tfd : public Triple<float> { 00051 public: 00052 // Triplef_tfd(int doc, int ter, float freq); 00053 00055 Triplef_tfd(void); 00056 00058 bool indexOrder(Triple<float> &triple); 00059 00061 bool positionOrder(Triple<float> &triple); 00062 00064 bool valueOrder(Triple<float> &triple); 00065 00067 void assignQuantiser(Quantise *quantiser); 00068 00069 int index(void); 00070 int position(void); 00071 int value(void); 00072 void index(int x); 00073 00075 void position(int x); 00076 void position(float x); 00077 void value(int x); 00078 00080 void encodeValue(CodeBlock *code, Triple<float> *lastElement); 00081 00083 void encodePosition(CodeBlock *code, Triple<float> *lastElement); 00084 00086 void encodeIndex(CodeBlock *code, Triple<float> *lastElement); 00087 00088 void encodeValue(CodeBlock *code); 00089 void encodePosition(CodeBlock *code); 00090 void encodeIndex(CodeBlock *code); 00091 00093 void decodeValue(CodeBlock *code, Triple<float> *lastElement); 00094 00096 void decodePosition(CodeBlock *code, Triple<float> *lastElement); 00097 00099 void decodeIndex(CodeBlock *code, Triple<float> *lastElement); 00100 00101 void decodeValue(CodeBlock *code); 00102 void decodePosition(CodeBlock *code); 00103 void decodeIndex(CodeBlock *code); 00104 00105 private: 00106 Quantise *_quantiser; 00107 int _quantisedFrequency; 00108 }; 00109 00110 00111 #endif