Finish nonblocking calculation of the maximum velocity
This receives the mpi_iallreduce of the maximum velocity.
subroutine finish_nonblocking_max_vel_reduction
use mp, only: wait, mp_request_null
implicit none
! Wait for the nonblocking maximum operation used to find
! the maximum velocity.
if (cfl_req_hand == mp_request_null) return
call wait(cfl_req_hand)
cfl_req_hand = mp_request_null
end subroutine finish_nonblocking_max_vel_reduction