AbstractLinAlgPack_MatrixSymDiagStd.hpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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#ifndef MATRIX_SYM_DIAGONAL_STD_H
#define MATRIX_SYM_DIAGONAL_STD_H

#include "AbstractLinAlgPack_MatrixSymInitDiag.hpp"
#include "AbstractLinAlgPack_MatrixSymDiag.hpp"
#include "AbstractLinAlgPack_VectorSpace.hpp"

namespace AbstractLinAlgPack {

class MatrixSymDiagStd
  : public virtual MatrixSymInitDiag
  , public virtual MatrixSymDiag
{
public:

  class PostMod {
  public:
    PostMod(VectorSpace::space_ptr_t vectorSpace)
      : vectorSpace_(vectorSpace) {}

    void initialize(MatrixSymDiagStd* matrix) const
        { matrix->initialize(vectorSpace_->create_member()); }
         
  private:
    VectorSpace::space_ptr_t vectorSpace_;

  }; // end PostMod



  MatrixSymDiagStd(
    const VectorSpace::vec_mut_ptr_t& diag   = Teuchos::null
    ,bool                             unique = true
    );

  void initialize(
    const VectorSpace::vec_mut_ptr_t& diag
    ,bool                             unique = true
    );



  VectorMutable& diag();
  const VectorSpace::vec_mut_ptr_t& diag_ptr() const;
  bool unique() const;



  size_type rows() const;
  size_type nz() const;



  const VectorSpace& space_rows() const;
  const VectorSpace& space_cols() const;
  MatrixOp& operator=(const MatrixOp& mwo_rhs);
  bool Mp_StM(MatrixOp* g_lhs, value_type alpha, BLAS_Cpp::Transp trans_rhs) const;
  void Vp_StMtV(VectorMutable* v_lhs, value_type alpha, BLAS_Cpp::Transp trans_rhs1
    , const Vector& v_rhs2, value_type beta) const;
  void Vp_StMtV(VectorMutable* v_lhs, value_type alpha, BLAS_Cpp::Transp trans_rhs1
    , const SpVectorSlice& sv_rhs2, value_type beta) const;
  bool syrk(
    BLAS_Cpp::Transp   M_trans
    ,value_type        alpha
    ,value_type        beta
    ,MatrixSymOp   *sym_lhs
    ) const;



  void V_InvMtV(VectorMutable* v_lhs, BLAS_Cpp::Transp trans_rhs1
    , const Vector& v_rhs2) const;
  void V_InvMtV(VectorMutable* v_lhs, BLAS_Cpp::Transp trans_rhs1
    , const SpVectorSlice& sv_rhs2) const;



  void init_identity( const VectorSpace& space_diag, value_type alpha );
  void init_diagonal( const Vector& diag );



  const Vector& diag() const;


private:

  VectorSpace::vec_mut_ptr_t     diag_;
  bool                           unique_;

  void copy_unique();

}; // end class MatrixSymDiagStd

// ////////////////////////////////////////
// Inline members

inline
bool MatrixSymDiagStd::unique() const
{
  return unique_;
}

} // end namespace AbstractLinAlgPack

#endif // MATRIX_SYM_DIAGONAL_STD_H