AbstractLinAlgPack_InnerProductThyra.cpp

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#include <assert.h>

#include <stdexcept>

#include "AbstractLinAlgPack_InnerProductThyra.hpp"
#include "AbstractLinAlgPack_VectorMutableThyra.hpp"
#include "Teuchos_Assert.hpp"
#include "Teuchos_dyn_cast.hpp"

namespace AbstractLinAlgPack {

// Constructors / Initializers

InnerProductThyra::InnerProductThyra()
{}

InnerProductThyra::InnerProductThyra(
  const Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
  )
{
  this->initialize(thyra_vec_spc);
}

void InnerProductThyra::initialize(
  const Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
  )
{
  TEUCHOS_TEST_FOR_EXCEPTION(
    thyra_vec_spc.get()==NULL, std::invalid_argument
    ,"InnerProductThyra::initialize(thyra_vec_spc): Error!"
    );
  thyra_vec_spc_ = thyra_vec_spc;
}

Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> > 
InnerProductThyra::set_uninitialized()
{
  Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> > tmp_thyra_vec_spc = thyra_vec_spc_;
  thyra_vec_spc_ = Teuchos::null;
  return tmp_thyra_vec_spc;
}

// Overridden from InnerProduct

value_type InnerProductThyra::inner_prod(const Vector& v1, const Vector& v2) const
{
  using Teuchos::dyn_cast;
  return thyra_vec_spc_->scalarProd(
    *dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
    ,*dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
    );
}

} // end namespace AbstractLinAlgPack