Thyra_RowStatLinearOpBase.hpp

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//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
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#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 {


enum ERowStat {
  ROW_STAT_INV_ROW_SUM,
  ROW_STAT_ROW_SUM,
  ROW_STAT_INV_COL_SUM,
  ROW_STAT_COL_SUM
};


} // namespace RowStatLinearOpBaseUtils


template<class Scalar>
class RowStatLinearOpBase : virtual public LinearOpBase<Scalar> {
public:


  bool rowStatIsSupported(
    const RowStatLinearOpBaseUtils::ERowStat rowStat
    ) const
    { return rowStatIsSupportedImpl(rowStat); }

  void getRowStat(
    const RowStatLinearOpBaseUtils::ERowStat rowStat,
    const Ptr<VectorBase<Scalar> > &rowStatVec
    ) const
    {
      TEUCHOS_ASSERT(rowStatIsSupported(rowStat));
      getRowStatImpl(rowStat, rowStatVec);
    }


protected:


  virtual bool rowStatIsSupportedImpl(
    const RowStatLinearOpBaseUtils::ERowStat rowStat) const = 0;

  virtual void getRowStatImpl(
    const RowStatLinearOpBaseUtils::ERowStat rowStat,
    const Ptr<VectorBase<Scalar> > &rowStatVec) const = 0;


};


} // end namespace Thyra


#endif  // THYRA_SCALED_LINEAR_OP_BASE_HPP