ConstrainedOptPack_MatrixGenBanded.hpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
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#ifndef MATRIX_GEN_BANDED_H
#define MATRIX_GEN_BANDED_H

#include "ConstrainedOptPack_Types.hpp"
#include "AbstractLinAlgPack/src/AbstractLinAlgPack_MatrixOp.hpp"
#include "DenseLinAlgPack_DMatrixClass.hpp"
#include "Miref_count_ptr.h"
#include "MiReleaseResource.h"

namespace ConstrainedOptPack {
class MatrixGenBanded : public MatrixOp
{
public:
  
  typedef Teuchos::RCP<
    MemMngPack::ReleaseResource>  release_resource_ptr_t;

  // //////////////
    // Constructors

  MatrixGenBanded(
    size_type                         m                       = 0
    ,size_type                        n                       = 0
    ,size_type                        kl                      = 0
    ,size_type                        ku                      = 0
    ,DMatrixSlice                   *MB                     = NULL
    ,const release_resource_ptr_t&    MB_release_resource_ptr = NULL
    );

  // ///////////////////////////
    // Access representation

  void initialize(
    size_type                         m                       = 0
    ,size_type                        n                       = 0
    ,size_type                        kl                      = 0
    ,size_type                        ku                      = 0
    ,DMatrixSlice                   *MB                     = NULL
    ,const release_resource_ptr_t&    MB_release_resource_ptr = NULL
    );

  size_type kl() const;
  size_type ku() const;
  DMatrixSlice& MB();
  const DMatrixSlice& MB() const;

  // /////////////////////////////
  // Overridden from MatrixOp

  size_type rows() const;
  size_type cols() const;
  size_type nz() const;
  std::ostream& output(std::ostream& out) const;
  void Vp_StMtV(DVectorSlice* vs_lhs, value_type alpha, BLAS_Cpp::Transp trans_rhs1
    , const DVectorSlice& vs_rhs2, value_type beta) const;
  void Vp_StMtV(DVectorSlice* vs_lhs, value_type alpha, BLAS_Cpp::Transp trans_rhs1
    , const SpVectorSlice& sv_rhs2, value_type beta) const;
  void Vp_StPtMtV(DVectorSlice* vs_lhs, value_type alpha
    , const GenPermMatrixSlice& P_rhs1, BLAS_Cpp::Transp P_rhs1_trans
    , BLAS_Cpp::Transp M_rhs2_trans
    , const DVectorSlice& vs_rhs3, value_type beta) const;
  void Vp_StPtMtV(DVectorSlice* vs_lhs, value_type alpha
    , const GenPermMatrixSlice& P_rhs1, BLAS_Cpp::Transp P_rhs1_trans
    , BLAS_Cpp::Transp M_rhs2_trans
    , const SpVectorSlice& sv_rhs3, value_type beta) const;

private:
  
  // /////////////////////////////
  // Private data members

  size_type                       m_;
  size_type                       n_;
  size_type                       kl_;
  size_type                       ku_;
  DMatrixSlice                  MB_;
  release_resource_ptr_t          MB_release_resource_ptr_;

  // /////////////////////////////
  // Private member functions

  void assert_initialized() const;

}; // end class MatrixGenBanded

// ///////////////////////////////////////////////////////
// Inline members for MatrixGenBanded

inline
size_type MatrixGenBanded::kl() const
{
  return kl_;
}

inline
size_type MatrixGenBanded::ku() const
{
  return ku_;
}

inline
DMatrixSlice& MatrixGenBanded::MB()
{
  return MB_;
}

inline
const DMatrixSlice& MatrixGenBanded::MB() const
{
  return MB_;
}

} // end namespace ConstrainedOptPack

#endif // MATRIX_GEN_BANDED_H