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openmpi/ompi/mpi/cxx/op.h
Jeff Squyres bf6e3d4355 Fixes trac:2061: add MPI_OP_COMMUTATIVE.
This commit was SVN r22128.

The following Trac tickets were found above:
  Ticket 2061 --> https://svn.open-mpi.org/trac/ompi/ticket/2061
2009-10-22 21:46:05 +00:00

66 строки
1.9 KiB
C++

// -*- c++ -*-
//
// Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
// University Research and Technology
// Corporation. All rights reserved.
// Copyright (c) 2004-2005 The University of Tennessee and The University
// of Tennessee Research Foundation. All rights
// reserved.
// Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
// University of Stuttgart. All rights reserved.
// Copyright (c) 2004-2005 The Regents of the University of California.
// All rights reserved.
// Copyright (c) 2006-2009 Cisco Systems, Inc. All rights reserved.
// $COPYRIGHT$
//
// Additional copyrights may follow
//
// $HEADER$
//
class Op {
public:
// construction
Op();
Op(MPI_Op i);
Op(const Op& op);
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
Op(const PMPI::Op& op) : pmpi_op(op) { }
#endif
// destruction
virtual ~Op();
// assignment
Op& operator=(const Op& op);
Op& operator= (const MPI_Op &i);
// comparison
inline bool operator== (const Op &a);
inline bool operator!= (const Op &a);
// conversion functions for inter-language operability
inline operator MPI_Op () const;
// inline operator MPI_Op* (); //JGS const
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
inline operator const PMPI::Op&() const { return pmpi_op; }
#endif
// Collective Communication
//JGS took const out
virtual void Init(User_function *func, bool commute);
virtual void Free();
virtual void Reduce_local(const void *inbuf, void *inoutbuf, int count,
const MPI::Datatype& datatype) const;
virtual bool Is_commutative(void) const;
#if ! 0 /* OMPI_ENABLE_MPI_PROFILING */
protected:
MPI_Op mpi_op;
#endif
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
private:
PMPI::Op pmpi_op;
#endif
};