MPI_Allreduce Subroutine

subroutine MPI_Allreduce(field_in, field_out, dim, fieldtype, operation, comm, mpierr)

Arguments

Type	Intent	Optional	Attributes		Name
real,	intent(in)			::	field_in(dim)
real,	intent(out)			::	field_out(dim)
integer,	intent(in)			::	dim
integer,	intent(in)			::	fieldtype
integer,	intent(in)			::	operation
integer,	intent(in)			::	comm
integer,	intent(out)			::	mpierr