RTOpPack_TOpUnaryFuncPtrDecl.hpp

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// ***********************************************************************
// 
// RTOp: Interfaces and Support Software for Vector Reduction Transformation
//       Operations
//                Copyright (2006) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
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#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

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