/usr/include/trilinos/Thyra_GeneralSolveCriteriaBelosStatusTest_decl.hpp is in libtrilinos-stratimikos-dev 12.12.1-5.
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// Stratimikos: Thyra-based strategies for linear solvers
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#ifndef THYRA_GENERAL_SOLVE_CRITERIA_BELOS_STATUS_TEST_DECL_HPP
#define THYRA_GENERAL_SOLVE_CRITERIA_BELOS_STATUS_TEST_DECL_HPP
#include "Thyra_SolveSupportTypes.hpp"
#include "BelosStatusTest.hpp"
#include "BelosLinearProblem.hpp"
#include "BelosMultiVecTraits.hpp"
#include "Teuchos_VerboseObject.hpp"
namespace Thyra {
/** \brief Subclass of Belos::StatusTest that implements every possible form
* of SolveCriteria that exists by forcing the computation of <tt>X</tt> and
* <tt>R</tt>.
*/
template<class Scalar>
class GeneralSolveCriteriaBelosStatusTest
: public Belos::StatusTest<Scalar, MultiVectorBase<Scalar>, LinearOpBase<Scalar> >,
public Teuchos::VerboseObject<GeneralSolveCriteriaBelosStatusTest<Scalar> >
{
public:
/** \name Public typdefs. */
//@{
/** \brief . */
typedef MultiVectorBase<Scalar> MV;
/** \brief . */
typedef LinearOpBase<Scalar> OP;
/** \brief . */
typedef typename ScalarTraits<Scalar>::magnitudeType ScalarMag;
//@}
/** \name Constructors/initializers/accessors */
//@{
/** \brief . */
GeneralSolveCriteriaBelosStatusTest();
/** \brief . */
void setSolveCriteria(const SolveCriteria<Scalar> &solveCriteria,
const int convergenceTestFrequency);
/** \brief . */
ArrayView<const ScalarMag> achievedTol() const;
//@}
/** \name Overridden public functions from Belos::StatusTest. */
//@{
/** \brief . */
virtual Belos::StatusType checkStatus(Belos::Iteration<Scalar,MV,OP> *iSolver);
/** \brief . */
virtual Belos::StatusType getStatus() const;
/** \brief . */
virtual void reset();
/** \brief . */
virtual void print(std::ostream& os, int indent) const;
//@}
private:
SolveCriteria<Scalar> solveCriteria_;
int convergenceTestFrequency_;
bool compute_x_;
bool compute_r_;
Array<ScalarMag> r0_nrm_;
Array<ScalarMag> b_nrm_;
Array<ScalarMag> lastNumerator_;
Array<ScalarMag> lastDenominator_;
Array<ScalarMag> lastAchievedTol_;
int lastCurrIter_;
Belos::StatusType lastRtnStatus_;
// Private member functions
ScalarMag computeReductionFunctional(ESolveMeasureNormType measureType,
const Ptr<const ReductionFunctional<Scalar> > &reductFunc,
const Ptr<const VectorBase<Scalar> > &x,
const Ptr<const VectorBase<Scalar> > &r
) const;
void printRhsStatus(const int currIter, const int j, std::ostream &out,
int indent = 0) const;
};
/** \brief Nonmember constructor.
*
* \relates GeneralSolveCriteriaBelosStatusTest
*/
template<class Scalar>
RCP<GeneralSolveCriteriaBelosStatusTest<Scalar> >
createGeneralSolveCriteriaBelosStatusTest(
const SolveCriteria<Scalar> &solveCriteria,
const int convergenceTestFrequency
)
{
RCP<GeneralSolveCriteriaBelosStatusTest<Scalar> >
gscbst = Teuchos::rcp(new GeneralSolveCriteriaBelosStatusTest<Scalar>);
gscbst->setSolveCriteria(solveCriteria, convergenceTestFrequency);
return gscbst;
}
} // namespace Thyra
#endif // THYRA_GENERAL_SOLVE_CRITERIA_BELOS_STATUS_TEST_DECL_HPP
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