IpSumSymMatrix.hpp

Go to the documentation of this file.

// Copyright (C) 2004, 2008 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13
 
#ifndef __IPSUMSYMMATRIX_HPP__
#define __IPSUMSYMMATRIX_HPP__
 
#include "IpUtils.hpp"
#include "IpSymMatrix.hpp"
 
namespace Ipopt
{
 
/* forward declarations */
class SumSymMatrixSpace;
 
class IPOPTLIB_EXPORT SumSymMatrix: public SymMatrix
{
public:
 
   SumSymMatrix(
      const SumSymMatrixSpace* owner_space
   );
 
   ~SumSymMatrix();
 
   void SetTerm(
      Index            iterm,
      Number           factor,
      const SymMatrix& matrix
   );
 
   void GetTerm(
      Index                      iterm,
      Number&                    factor,
      SmartPtr<const SymMatrix>& matrix
   ) const;
 
   Index NTerms() const;
 
protected:
   virtual void MultVectorImpl(
      Number        alpha,
      const Vector& x,
      Number        beta,
      Vector&       y
   ) const;
 
   virtual bool HasValidNumbersImpl() const;
 
   virtual void ComputeRowAMaxImpl(
      Vector& rows_norms,
      bool    init
   ) const;
 
   virtual void ComputeColAMaxImpl(
      Vector& cols_norms,
      bool    init
   ) const;
 
   virtual void PrintImpl(
      const Journalist&  jnlst,
      EJournalLevel      level,
      EJournalCategory   category,
      const std::string& name,
      Index              indent,
      const std::string& prefix
   ) const;
 
private:
 
   SumSymMatrix();
 
   SumSymMatrix(
      const SumSymMatrix&
   );
 
   void operator=(
      const SumSymMatrix&
   );
 
   std::vector<Number> factors_;
 
   std::vector<SmartPtr<const SymMatrix> > matrices_;
 
   const SumSymMatrixSpace* owner_space_;
};
 
class IPOPTLIB_EXPORT SumSymMatrixSpace: public SymMatrixSpace
{
public:
 
   SumSymMatrixSpace(
      Index ndim,
      Index nterms
   )
      : SymMatrixSpace(ndim),
        nterms_(nterms)
   { }
 
   ~SumSymMatrixSpace()
   { }
 
 
   Index NTerms() const
   {
      return nterms_;
   }
 
   void SetTermSpace(
      Index                 term_idx,
      const SymMatrixSpace& space
   );
 
   SmartPtr<const SymMatrixSpace> GetTermSpace(
      Index term_idx
   ) const;
 
   SumSymMatrix* MakeNewSumSymMatrix() const;
 
   virtual SymMatrix* MakeNewSymMatrix() const;
 
private:
   Index nterms_;
 
   std::vector<SmartPtr<const SymMatrixSpace> > term_spaces_;
};
 
} // namespace Ipopt
#endif