RTOpPack_ROpGetSubVector_decl.hpp

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// @HEADER
// *****************************************************************************
// RTOp: Interfaces and Support Software for Vector Reduction Transformation
//       Operations
//
// Copyright 2006 NTESS and the RTOp contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef RTOPPACK_ROP_GET_SUB_VECTOR_DECL_HPP
#define RTOPPACK_ROP_GET_SUB_VECTOR_DECL_HPP


#include "RTOpPack_RTOpTHelpers.hpp"


namespace RTOpPack {


template<class Scalar>
class ROpGetSubVector : public RTOpT<Scalar> {
public:

  typedef typename RTOpT<Scalar>::primitive_value_type primitive_value_type;

  ROpGetSubVector( const index_type l = 0, const index_type u = 0 );

  void set_range( const index_type l, const index_type u );

  const ConstSubVectorView<Scalar> operator()(
    const ReductTarget& reduct_obj ) const;


  void get_reduct_type_num_entries_impl(
    const Ptr<int> &num_values,
    const Ptr<int> &num_indexes,
    const Ptr<int> &num_chars
    ) const;
  Teuchos::RCP<ReductTarget> reduct_obj_create_impl() const;
  void reduce_reduct_objs_impl( const ReductTarget &in_reduct_obj,
    const Ptr<ReductTarget> &inout_reduct_obj) const;
  void reduct_obj_reinit_impl( const Ptr<ReductTarget> &reduct_obj ) const;
  void extract_reduct_obj_state_impl(
    const ReductTarget &reduct_obj,
    const ArrayView<primitive_value_type> &value_data,
    const ArrayView<index_type> &index_data,
    const ArrayView<char_type> &char_data
    ) const;
  void load_reduct_obj_state_impl(
    const ArrayView<const primitive_value_type> &value_data,
    const ArrayView<const index_type> &index_data,
    const ArrayView<const char_type> &char_data,
    const Ptr<ReductTarget> &reduct_obj
    ) const;
  bool coord_invariant_impl() const;
  void apply_op_impl(
    const ArrayView<const ConstSubVectorView<Scalar> > &sub_vecs,
    const ArrayView<const SubVectorView<Scalar> > &targ_sub_vecs,
    const Ptr<ReductTarget> &reduct_obj
    ) const;


private:

  index_type l_;
  index_type u_;

}; // class ROpGetSubVector


} // namespace RTOpPack


#endif // RTOPPACK_ROP_GET_SUB_VECTOR_DECL_HPP