CoinStructuredModel.hpp

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00001 /* $Id: CoinStructuredModel.hpp 1691 2014-03-19 12:43:56Z forrest $ */
00002 // Copyright (C) 2008, International Business Machines
00003 // Corporation and others.  All Rights Reserved.
00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
00005 
00006 #ifndef CoinStructuredModel_H
00007 #define CoinStructuredModel_H
00008 
00009 #include "CoinModel.hpp"
00010 #include <vector>
00011 
00015   typedef struct CoinModelInfo2 {
00016     int rowBlock; // Which row block
00017     int columnBlock; // Which column block
00018     char matrix; // nonzero if matrix exists
00019     char rhs; // nonzero if non default rhs exists
00020     char rowName; // nonzero if row names exists
00021     char integer; // nonzero if integer information exists
00022     char bounds; // nonzero if non default bounds/objective exists
00023     char columnName; // nonzero if column names exists
00024     CoinModelInfo2() : 
00025       rowBlock(0),
00026       columnBlock(0),
00027       matrix(0),
00028       rhs(0),
00029       rowName(0),
00030       integer(0),
00031       bounds(0),
00032       columnName(0)
00033     {}
00034 } CoinModelBlockInfo;
00035 
00036 class CoinStructuredModel : public CoinBaseModel {
00037   
00038 public:
00044   int addBlock(const std::string & rowBlock,
00045                 const std::string & columnBlock,
00046                 const CoinBaseModel & block);
00050   int addBlock(const CoinBaseModel & block);
00055   int addBlock(const std::string & rowBlock,
00056                 const std::string & columnBlock,
00057                 CoinBaseModel * block);
00060   int addBlock(const std::string & rowBlock,
00061                const std::string & columnBlock,
00062                const CoinPackedMatrix & matrix,
00063                const double * rowLower, const double * rowUpper,
00064                const double * columnLower, const double * columnUpper,
00065                const double * objective);
00066 
00092   int writeMps(const char *filename, int compression = 0,
00093                int formatType = 0, int numberAcross = 2, bool keepStrings=false) ;
00095   int readSmps(const char *filename,
00096                  bool keepNames = false,
00097                  bool ignoreErrors = false);
00098 
00105   int decompose(const CoinModel &model,int type,
00106                 int maxBlocks=50, const char ** starts=NULL);
00113   int decompose(const CoinPackedMatrix & matrix,
00114                 const double * rowLower, const double * rowUpper,
00115                 const double * columnLower, const double * columnUpper,
00116                 const double * objective, int type,int maxBlocks=50,
00117                 int * starts=NULL,
00118                 double objectiveOffset=0.0);
00119   
00121 
00122 
00125 
00126   inline int numberRowBlocks() const
00127   { return numberRowBlocks_;}
00129   inline int numberColumnBlocks() const
00130   { return numberColumnBlocks_;}
00132   inline CoinBigIndex numberElementBlocks() const
00133   { return numberElementBlocks_;}
00135   CoinBigIndex numberElements() const;
00137   inline const std::string & getRowBlock(int i) const
00138   { return rowBlockNames_[i];}
00140   inline void setRowBlock(int i,const std::string &name) 
00141   { rowBlockNames_[i] = name;}
00143   int addRowBlock(int numberRows,const std::string &name) ;
00145   int rowBlock(const std::string &name) const;
00147   inline const std::string & getColumnBlock(int i) const
00148   { return columnBlockNames_[i];}
00150   inline void setColumnBlock(int i,const std::string &name) 
00151   { columnBlockNames_[i] = name;}
00153   int addColumnBlock(int numberColumns,const std::string &name) ;
00155   int columnBlock(const std::string &name) const;
00157   inline const CoinModelBlockInfo &  blockType(int i) const
00158   { return blockType_[i];}
00160   inline CoinBaseModel * block(int i) const
00161   { return blocks_[i];}
00163   const CoinBaseModel *  block(int row,int column) const;
00165   CoinModel * coinBlock(int i) const;
00167   const CoinBaseModel *  coinBlock(int row,int column) const;
00169   int  blockIndex(int row,int column) const;
00173   CoinModel * coinModelBlock(CoinModelBlockInfo & info) ;
00175   void setCoinModel(CoinModel * block, int iBlock);
00177   void refresh(int iBlock);
00180   CoinModelBlockInfo block(int row,int column,
00181              const double * & rowLower, const double * & rowUpper,
00182              const double * & columnLower, const double * & columnUpper,
00183              const double * & objective) const;
00185   inline double optimizationDirection() const {
00186     return  optimizationDirection_;
00187   }
00189   inline void setOptimizationDirection(double value)
00190   { optimizationDirection_=value;}
00192 
00196   CoinStructuredModel();
00200   CoinStructuredModel(const char *fileName,int decompose=0,
00201                       int maxBlocks=50);
00203    virtual ~CoinStructuredModel();
00205 
00209    CoinStructuredModel(const CoinStructuredModel&);
00211    CoinStructuredModel& operator=(const CoinStructuredModel&);
00213   virtual CoinBaseModel * clone() const;
00215 
00216 private:
00217 
00221   int fillInfo(CoinModelBlockInfo & info,const CoinModel * block);
00224   void fillInfo(CoinModelBlockInfo & info,const CoinStructuredModel * block);
00227 
00228   int numberRowBlocks_;
00230   int numberColumnBlocks_;
00232   int numberElementBlocks_;
00234   int maximumElementBlocks_;
00236   std::vector<std::string> rowBlockNames_;
00238   std::vector<std::string> columnBlockNames_;
00240   CoinBaseModel ** blocks_;
00242   CoinModel ** coinModelBlocks_;
00244   CoinModelBlockInfo * blockType_;
00246 };
00247 #endif
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