RTOpPack_TOpUnaryFuncPtrDecl.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_UNARY_FUNC_PTR_DECL_HPP
#define RTOPPACK_UNARY_FUNC_PTR_DECL_HPP

#include "RTOpPack_RTOpT.hpp"

namespace RTOpPack {

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

  typedef void (*unary_func_ptr_t) ( const Scalar x[], int x_dim, Scalar out[] );

  TOpUnaryFuncPtr();

  TOpUnaryFuncPtr(
    unary_func_ptr_t        unary_func_ptr
    ,const std::string      &op_name
    );

  void initialize(
    unary_func_ptr_t        unary_func_ptr
    ,const std::string      &op_name
    );

  void set_initialized(
    unary_func_ptr_t    *unary_func_ptr  = NULL
    ,std::string        *op_name         = NULL
    );


  const char* op_name() const;
  void apply_op(
    const int   num_vecs,       const ConstSubVectorView<Scalar>         sub_vecs[]
    ,const int  num_targ_vecs,  const SubVectorView<Scalar>  targ_sub_vecs[]
    ,ReductTarget *reduct_obj
    ) const;


private:
  
  std::string        op_name_;
  unary_func_ptr_t   unary_func_ptr_;

  // Not defined and not to be called
  TOpUnaryFuncPtr(const TOpUnaryFuncPtr&);
  TOpUnaryFuncPtr& operator=(const TOpUnaryFuncPtr&);

};

} // end namespace RTOpPack

#endif // RTOPPACK_UNARY_FUNC_PTR_DECL_HPP