CoinBuild.hpp

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/* $Id: CoinBuild.hpp 1416 2011-04-17 09:57:29Z stefan $ */
// Copyright (C) 2005, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#ifndef CoinBuild_H
#define CoinBuild_H


#include "CoinPragma.hpp"
#include "CoinTypes.hpp"
#include "CoinFinite.hpp"


class CoinBuild {
  
public:
   void addRow(int numberInRow, const int * columns,
               const double * elements, double rowLower=-COIN_DBL_MAX, 
              double rowUpper=COIN_DBL_MAX);
   void addColumn(int numberInColumn, const int * rows,
                  const double * elements, 
                  double columnLower=0.0, 
                  double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0);
   inline void addCol(int numberInColumn, const int * rows,
                  const double * elements, 
                  double columnLower=0.0, 
                  double columnUpper=COIN_DBL_MAX, double objectiveValue=0.0)
  { addColumn(numberInColumn, rows, elements, columnLower, columnUpper, objectiveValue);}
  inline int numberRows() const
  { return (type_==0) ? numberItems_ : numberOther_;}
  inline int numberColumns() const
  { return (type_==1) ? numberItems_ : numberOther_;}
  inline CoinBigIndex numberElements() const
  { return numberElements_;}
  int row(int whichRow, double & rowLower, double & rowUpper,
          const int * & indices, const double * & elements) const;
  int currentRow(double & rowLower, double & rowUpper,
          const int * & indices, const double * & elements) const;
  void setCurrentRow(int whichRow);
  int currentRow() const;
  int column(int whichColumn, 
             double & columnLower, double & columnUpper,double & objectiveValue,
             const int * & indices, const double * & elements) const;
  int currentColumn( double & columnLower, double & columnUpper,double & objectiveValue,
          const int * & indices, const double * & elements) const;
  void setCurrentColumn(int whichColumn);
  int currentColumn() const;
  inline int type() const
  { return type_;}


   CoinBuild();
   CoinBuild(int type);
   ~CoinBuild();

   CoinBuild(const CoinBuild&);
   CoinBuild& operator=(const CoinBuild&);
private:
  void setMutableCurrent(int which) const;
   void addItem(int numberInItem, const int * indices,
                  const double * elements, 
                  double itemLower, 
                  double itemUpper, double objectiveValue);
  int item(int whichItem, 
             double & itemLower, double & itemUpper,double & objectiveValue,
             const int * & indices, const double * & elements) const;
  int currentItem( double & itemLower, double & itemUpper,double & objectiveValue,
          const int * & indices, const double * & elements) const;
  void setCurrentItem(int whichItem);
  int currentItem() const;
   
private:
  int numberItems_;
  int numberOther_;
  CoinBigIndex numberElements_;
  mutable double * currentItem_;
  double * firstItem_;
  double * lastItem_;
  int type_;
};

#endif