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// -*- 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
//
// $HEADER$
//
#if 0 /* OMPI_ENABLE_MPI_PROFILING */
inline
MPI::Op::Op() { }
inline
MPI::Op::Op(const MPI::Op& o) : pmpi_op(o.pmpi_op) { }
inline
MPI::Op::Op(MPI_Op o) : pmpi_op(o) { }
inline
MPI::Op::~Op() { }
inline
MPI::Op& MPI::Op::operator=(const MPI::Op& op) {
pmpi_op = op.pmpi_op; return *this;
}
// comparison
inline bool
MPI::Op::operator== (const MPI::Op &a) {
return (bool)(pmpi_op == a.pmpi_op);
}
inline bool
MPI::Op::operator!= (const MPI::Op &a) {
return (bool)!(*this == a);
}
// inter-language operability
inline MPI::Op&
MPI::Op::operator= (const MPI_Op &i) { pmpi_op = i; return *this; }
inline
MPI::Op::operator MPI_Op () const { return pmpi_op; }
//inline
//MPI::Op::operator MPI_Op* () { return pmpi_op; }
#else // ============= NO PROFILING ===================================
// construction
inline
MPI::Op::Op() : mpi_op(MPI_OP_NULL) { }
inline
MPI::Op::Op(MPI_Op i) : mpi_op(i) { }
inline
MPI::Op::Op(const MPI::Op& op)
: mpi_op(op.mpi_op) { }
inline
MPI::Op::~Op()
{
#if 0
mpi_op = MPI_OP_NULL;
op_user_function = 0;
#endif
}
inline MPI::Op&
MPI::Op::operator=(const MPI::Op& op) {
mpi_op = op.mpi_op;
return *this;
}
// comparison
inline bool
MPI::Op::operator== (const MPI::Op &a) { return (bool)(mpi_op == a.mpi_op); }
inline bool
MPI::Op::operator!= (const MPI::Op &a) { return (bool)!(*this == a); }
// inter-language operability
inline MPI::Op&
MPI::Op::operator= (const MPI_Op &i) { mpi_op = i; return *this; }
inline
MPI::Op::operator MPI_Op () const { return mpi_op; }
//inline
//MPI::Op::operator MPI_Op* () { return &mpi_op; }
#endif
// Extern this function here rather than include an internal Open MPI
// header file (and therefore force installing the internal Open MPI
// header file so that user apps can #include it)
extern "C" void ompi_op_set_cxx_callback(MPI_Op op, MPI_User_function*);
// There is a lengthy comment in ompi/mpi/cxx/intercepts.cc explaining
// what this function is doing. Please read it before modifying this
// function.
inline void
MPI::Op::Init(MPI::User_function *func, bool commute)
{
(void)MPI_Op_create((MPI_User_function*) ompi_mpi_cxx_op_intercept,
(int) commute, &mpi_op);
ompi_op_set_cxx_callback(mpi_op, (MPI_User_function*) func);
}
inline void
MPI::Op::Free()
{
(void)MPI_Op_free(&mpi_op);
}
inline void
MPI::Op::Reduce_local(const void *inbuf, void *inoutbuf, int count,
const MPI::Datatype& datatype) const
{
(void)MPI_Reduce_local(const_cast<void*>(inbuf), inoutbuf, count,
datatype, mpi_op);
}
inline bool
MPI::Op::Is_commutative(void) const
{
int commute;
(void)MPI_Op_commutative(mpi_op, &commute);
return (bool) commute;
}
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