/usr/include/trilinos/Thyra_RowStatLinearOpBase.hpp is in libtrilinos-thyra-dev 12.4.2-2.
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// ***********************************************************************
//
// Thyra: Interfaces and Support for Abstract Numerical Algorithms
// Copyright (2004) Sandia Corporation
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// @HEADER
#ifndef THYRA_ROW_SUM_LINEAR_OP_BASE_HPP
#define THYRA_ROW_SUM_LINEAR_OP_BASE_HPP
#include "Thyra_LinearOpBase_decl.hpp"
namespace Thyra {
namespace RowStatLinearOpBaseUtils {
/** \brief Rows statistic requested. */
enum ERowStat {
/** \brief Inverse absolute row sums. */
ROW_STAT_INV_ROW_SUM,
/** \brief Absolute row sums. */
ROW_STAT_ROW_SUM,
/** \brief Inverse absolute column sums. */
ROW_STAT_INV_COL_SUM,
/** \brief Absolute column sums. */
ROW_STAT_COL_SUM
};
} // namespace RowStatLinearOpBaseUtils
/** \brief Interface for exxtracting row statistics as a <tt>VectorBase</tt>
* from a supporting <tt>LinearOpBase</tt> object.
*
* \ingroup Thyra_Op_Vec_extended_interfaces_code_grp
*/
template<class Scalar>
class RowStatLinearOpBase : virtual public LinearOpBase<Scalar> {
public:
/** @name Non-virtual public interface functions. */
//@{
/** \brief Determine if a given row stat is supported. */
bool rowStatIsSupported(
const RowStatLinearOpBaseUtils::ERowStat rowStat
) const
{ return rowStatIsSupportedImpl(rowStat); }
/** \brief Get some statistics about a supported row.
*
* \precondition <tt>this->rowStatIsSupported(rowStat)==true</tt>
*/
void getRowStat(
const RowStatLinearOpBaseUtils::ERowStat rowStat,
const Ptr<VectorBase<Scalar> > &rowStatVec
) const
{
TEUCHOS_ASSERT(rowStatIsSupported(rowStat));
getRowStatImpl(rowStat, rowStatVec);
}
//@}
protected:
/** \name Protected virtual functions to be overridden by subclasses. */
//@{
/** \brief . */
virtual bool rowStatIsSupportedImpl(
const RowStatLinearOpBaseUtils::ERowStat rowStat) const = 0;
/** \brief . */
virtual void getRowStatImpl(
const RowStatLinearOpBaseUtils::ERowStat rowStat,
const Ptr<VectorBase<Scalar> > &rowStatVec) const = 0;
//@}
};
} // end namespace Thyra
#endif // THYRA_SCALED_LINEAR_OP_BASE_HPP
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