AbstractLinAlgPack_MatrixSymDiagSparseStd.cpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#include "AbstractLinAlgPack_MatrixSymDiagSparseStd.hpp"
#include "AbstractLinAlgPack_SpVectorOut.hpp"
#include "DenseLinAlgPack_DVectorClass.hpp"
#include "DenseLinAlgPack_AssertOp.hpp"
#include "Teuchos_TestForException.hpp"

namespace AbstractLinAlgPack {

MatrixSymDiagSparseStd::MatrixSymDiagSparseStd( const SpVectorSlice& diag )
  : diag_(diag)
{}

void MatrixSymDiagSparseStd::initialize( const SpVectorSlice& diag )
{
  diag_ = diag;
}

// Overridden from MatrixOp

MatrixOp& MatrixSymDiagSparseStd::operator=(const MatrixOp& m)
{
  if(&m == this) return *this;  // assignment to self
  const MatrixSymDiagSparseStd
    *p_m = dynamic_cast<const MatrixSymDiagSparseStd*>(&m);
  if(p_m) {
    diag_ = p_m->diag_;
  }
  else {
    TEST_FOR_EXCEPTION(
      true, std::invalid_argument
      ,"MatrixSymDiagSparseStd::operator=(const MatrixOp& m) : Error!"
      "The concrete type of m = \'" << typeName(m) << "\' is not a subclass of "
      "MatrixSymDiagSparseStd as expected"
      );
  }
  return *this;
}

// Overridden from MatrixDiagonalSparse

const SpVectorSlice MatrixSymDiagSparseStd::diag() const
{
  return diag_();
}


} // end namespace AbstractLinAlgPack