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/*************************************************************************
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Kohei Yoshida.
* 1039 Kingsway Dr., Apex, NC 27502, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _SCSOLVER_LPBUILDER_HXX_
#define _SCSOLVER_LPBUILDER_HXX_
#include "type.hxx"
#include <memory>
#include <vector>
#include <com/sun/star/table/CellAddress.hpp>
namespace scsolver {
namespace numeric { namespace opres { namespace lp {
class Model;
}}}
class LpModelBuilderImpl;
/** This is a container class that holds the 3D addresses of cells that
respectively contain the left and right hand side of the constraint
formula and its equality. */
class ConstraintAddress
{
public:
ConstraintAddress();
ConstraintAddress( const ConstraintAddress& );
~ConstraintAddress() throw();
bool equals( const ConstraintAddress& ) const;
bool operator==( const ConstraintAddress & ) const;
::com::sun::star::table::CellAddress getLeftCellAddr() const;
void setLeftCellAddr( const ::com::sun::star::table::CellAddress& addr );
::com::sun::star::table::CellAddress getRightCellAddr() const;
void setRightCellAddr( const ::com::sun::star::table::CellAddress& addr );
double getLeftCellValue() const;
double getRightCellValue() const;
void setLeftCellValue( double value );
void setRightCellValue( double value );
bool isLeftCellNumeric() const;
bool isRightCellNumeric() const;
numeric::opres::Equality getEquality() const;
void setEquality( numeric::opres::Equality eq );
private:
::com::sun::star::table::CellAddress Left;
::com::sun::star::table::CellAddress Right;
numeric::opres::Equality Equal;
bool m_bIsLHSNumber:1;
bool m_bIsRHSNumber:1;
double m_fLHSValue;
double m_fRHSValue;
};
/** This class is responsible for transforming a user-defined model on
a spreadsheet into a standard linear model. The model thereby created
is to be passed onto one of the actual algorithm classes for solving it. */
class LpModelBuilder
{
public:
LpModelBuilder();
~LpModelBuilder();
numeric::opres::lp::Model getModel();
// Optimization objective
numeric::opres::Goal getGoal() const;
void setGoal( numeric::opres::Goal );
// Objective Formula
const ::com::sun::star::table::CellAddress getObjectiveFormulaAddress() const;
void setObjectiveFormulaAddress( const ::com::sun::star::table::CellAddress& );
// Decision Variables
void setDecisionVarAddress( const ::com::sun::star::table::CellAddress& );
std::vector< ::com::sun::star::table::CellAddress > getAllDecisionVarAddresses() const;
void clearDecisionVarAddresses();
// Cost Vector
double getCostVector( const ::com::sun::star::table::CellAddress& );
void setCostVector( const ::com::sun::star::table::CellAddress&, double );
// Constraints
void clearConstraintAddresses();
void setConstraintAddress( const ConstraintAddress& );
std::vector< ConstraintAddress > getAllConstraintAddresses() const;
void setConstraintMatrixSize( size_t, size_t );
void setConstraintCoefficient( const ::com::sun::star::table::CellAddress&,
const ConstraintAddress&, double, double );
// Temporary formula strings
const rtl::OUString getTempCellFormula( const ::com::sun::star::table::CellAddress& ) const;
void setTempCellFormula( const ::com::sun::star::table::CellAddress&,
const rtl::OUString& );
private:
std::auto_ptr<LpModelBuilderImpl> m_pImpl;
};
}
#endif
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