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SampleValueAdjacencyList.h

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00001 /* 00002 * steghide 0.5.1 - a steganography program 00003 * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at> 00004 * 00005 * This program is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU General Public License 00007 * as published by the Free Software Foundation; either version 2 00008 * of the License, or (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 * 00019 */ 00020 00021 #ifndef SH_SAMPLEVALUEADJACENCYLIST_H 00022 #define SH_SAMPLEVALUEADJACENCYLIST_H 00023 00024 #include <vector> 00025 00026 #include "SampleValue.h" 00027 #include "common.h" 00028 00033 class SampleValueAdjacencyList { 00034 public: 00038 SampleValueAdjacencyList (SampleValueLabel numsvs) ; 00039 00040 std::vector<SampleValue*>& operator[] (const SampleValueLabel lbl) 00041 { return AdjacencyList[lbl] ; } ; 00042 00043 std::vector<SampleValue*>& operator[] (const SampleValue* sv) 00044 { return AdjacencyList[sv->getLabel()] ; } ; 00045 00046 unsigned long getNumRows (void) const 00047 { return AdjacencyList.size() ; } ; 00048 00052 bool operator== (const SampleValueAdjacencyList& sval) ; 00053 00057 void sort (void) ; 00058 00059 private: 00060 std::vector<std::vector<SampleValue*> > AdjacencyList ; 00061 00062 void quicksort (std::vector<SampleValue*>& oppneighs, UWORD32* distances, unsigned int l, unsigned int r) ; 00067 unsigned int partition (std::vector<SampleValue*>& oppneighs, UWORD32* distances, unsigned int l, unsigned int r, UWORD32 x) ; 00068 void swap (std::vector<SampleValue*>& oppneighs, UWORD32* distances, unsigned int i, unsigned int j) ; 00069 } ; 00070 00071 #endif // ndef SH_SAMPLEVALUEADJACENCYLIST_H

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