Coin-All: /home/coin/SVN-release/CoinAll-1.1.0/CoinUtils/src/CoinBuild.hpp Source File

00001 // Copyright (C) 2005, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef CoinBuild_H
00004 #define CoinBuild_H
00005 
00006 
00007 #include "CoinPragma.hpp"
00008 #include "CoinFinite.hpp"
00009 
00010 
00023 class CoinBuild {
00024   
00025 public:
00028 
00029    void addRow(int numberInRow, const int * columns,
00030                const double * elements, double rowLower=-COIN_DBL_MAX, 
00031               double rowUpper=COIN_DBL_MAX);
00033    void addColumn(int numberInColumn, const int * rows,
00034                   const double * elements, 
00035                   double columnLower=0.0, 
00036                   double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0);
00038    inline void addCol(int numberInColumn, const int * rows,
00039                   const double * elements, 
00040                   double columnLower=0.0, 
00041                   double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0)
00042   { addColumn(numberInColumn, rows, elements, columnLower, columnUpper, objectiveValue);}
00044   inline int numberRows() const
00045   { return (type_==0) ? numberItems_ : numberOther_;}
00047   inline int numberColumns() const
00048   { return (type_==1) ? numberItems_ : numberOther_;}
00050   inline CoinBigIndex numberElements() const
00051   { return numberElements_;}
00054   int row(int whichRow, double & rowLower, double & rowUpper,
00055           const int * & indices, const double * & elements) const;
00059   int currentRow(double & rowLower, double & rowUpper,
00060           const int * & indices, const double * & elements) const;
00062   void setCurrentRow(int whichRow);
00064   int currentRow() const;
00067   int column(int whichColumn, 
00068              double & columnLower, double & columnUpper,double & objectiveValue,
00069              const int * & indices, const double * & elements) const;
00073   int currentColumn( double & columnLower, double & columnUpper,double & objectiveValue,
00074           const int * & indices, const double * & elements) const;
00076   void setCurrentColumn(int whichColumn);
00078   int currentColumn() const;
00080   inline int type() const
00081   { return type_;}
00083 
00084 
00088    CoinBuild();
00090    CoinBuild(int type);
00092    ~CoinBuild();
00094 
00098    CoinBuild(const CoinBuild&);
00100    CoinBuild& operator=(const CoinBuild&);
00102 private:
00104   void setMutableCurrent(int which) const;
00106    void addItem(int numberInItem, const int * indices,
00107                   const double * elements, 
00108                   double itemLower, 
00109                   double itemUpper, double objectiveValue);
00112   int item(int whichItem, 
00113              double & itemLower, double & itemUpper,double & objectiveValue,
00114              const int * & indices, const double * & elements) const;
00118   int currentItem( double & itemLower, double & itemUpper,double & objectiveValue,
00119           const int * & indices, const double * & elements) const;
00121   void setCurrentItem(int whichItem);
00123   int currentItem() const;
00124    
00125 private:
00128 
00129   int numberItems_;
00131   int numberOther_;
00133   CoinBigIndex numberElements_;
00135   mutable double * currentItem_;
00137   double * firstItem_;
00139   double * lastItem_;
00141   int type_;
00143 };
00144 
00145 #endif