/usr/include/trilinos/RTOpPack_TOpUnaryFuncPtrDecl.hpp is in libtrilinos-rtop-dev 12.12.1-5.
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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
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// this software without specific prior written permission.
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// @HEADER
#ifndef RTOPPACK_UNARY_FUNC_PTR_DECL_HPP
#define RTOPPACK_UNARY_FUNC_PTR_DECL_HPP
#include "RTOpPack_RTOpT.hpp"
namespace RTOpPack {
/** \brief <tt>RTOpT</tt> subclass for unary transformation functions using a
* function pointer.
*
* ToDo: Finish documentation!
*
* \ingroup RTOpPack_RTOpTHelpers_grp
*/
template<class Scalar>
class TOpUnaryFuncPtr : public RTOpT<Scalar> {
public:
/** \brief . */
typedef void (*unary_func_ptr_t) ( const Scalar x[], int x_dim, Scalar out[] );
/// Construct to uninitialized
TOpUnaryFuncPtr();
/// Calls <tt>initialize()</tt>
TOpUnaryFuncPtr(
unary_func_ptr_t unary_func_ptr
,const std::string &op_name
);
/** \brief Initialize.
*
* @param unary_func_ptr
* [in] Pointer to function that actually performs the unary operation.
* @param op_name
* [in] Name of the operation (for debugging mostly by clients)
*
* Preconditions:<ul>
* <li> <tt>unary_func_ptr != NULL</tt> (throw <tt>std::invalid_argument</tt>)
* </ul>
*/
void initialize(
unary_func_ptr_t unary_func_ptr
,const std::string &op_name
);
/** \brief Set uninitialized.
*
* @param unary_func_ptr
* [out] If <tt>unary_func_ptr!=NULL</tt> then <tt>*unary_func_ptr</tt>
* is set to pointer to function that was passed in to <tt>initialize()</tt>.
* @param op_name
* [out] If <tt>op_name!=NULL</tt> then <tt>*op_name</tt>
* is set to the operation name that was passed in to <tt>initialize()</tt>.
*/
void set_initialized(
unary_func_ptr_t *unary_func_ptr = NULL
,std::string *op_name = NULL
);
/** @name Overridden from RTOpT */
//@{
/** \brief . */
const char* op_name() const;
/** \brief . */
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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