# An MPI operation
#
# Used with the `reduce` method.
#
# See <http://www.mpi-forum.org/docs/mpi-1.1/mpi-11-html/node78.html>
extern class Op `{ MPI_Op `}
	# Get a MPI null operation.
	new op_null `{ return MPI_OP_NULL; `}

	# Get a MPI maximum operation.
	new max `{ return MPI_MAX; `}

	# Get a MPI minimum operation.
	new min `{ return MPI_MIN; `}

	# Get a MPI sum operation.
	new sum `{ return MPI_SUM; `}

	# Get a MPI product operation.
	new prod `{ return MPI_PROD; `}

	# Get a MPI logical and operation.
	new land `{ return MPI_LAND; `}

	# Get a MPI bit-wise and operation.
	new band `{ return MPI_BAND; `}

	# Get a MPI logical or operation.
	new lor `{ return MPI_LOR; `}

	# Get a MPI bit-wise or operation.
	new bor `{ return MPI_BOR; `}

	# Get a MPI logical xor operation.
	new lxor `{ return MPI_LXOR; `}

	# Get a MPI bit-wise xor operation.
	new bxor `{ return MPI_BXOR; `}

	# Get a MPI minloc operation.
	#
	# Used to compute a global minimum and also an index attached
	# to the minimum value.
	#
	# See <http://www.mpi-forum.org/docs/mpi-1.1/mpi-11-html/node79.html#Node79>
	new minloc `{ return MPI_MINLOC; `}

	# Get a MPI maxloc operation.
	#
	# Used to compute a global maximum and also an index attached
	# to the maximum value.
	#
	# See <http://www.mpi-forum.org/docs/mpi-1.1/mpi-11-html/node79.html#Node79>
	new maxloc `{ return MPI_MAXLOC; `}

	# Get a MPI replace operation.
	new replace `{ return MPI_REPLACE; `}
end