CoinBuild.hpp

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/* $Id$ */
// 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
 
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