da_check_xtoy_adjoint_polaramv.inc

1 subroutine da_check_xtoy_adjoint_polaramv (iv, y, adjtest_lhs, pertile_lhs)
2 
3    !-------------------------------------------------------------------------
4    ! Purpose:  Adjoint Test for Polar AMVs Obs
5    !-------------------------------------------------------------------------
6 
7    implicit none
8 
9    type (iv_type), intent(in)     :: iv            ! obs. inc. vector (o-b).
10    type (y_type) , intent(inout)  :: y             ! y = h (xa)
11    real          , intent(inout)  :: adjtest_lhs, pertile_lhs
12 
13    integer :: n, k          ! Loop counter.
14    
15    if (trace_use_dull) call da_trace_entry("da_check_xtoy_adjoint_polaramv")
16 
17    do n=1, iv%info(polaramv)%nlocal
18       do k=1, iv%info(polaramv)%levels(n)
19          if (iv%info(polaramv)%proc_domain(k,n)) then
20             adjtest_lhs = adjtest_lhs + (y%polaramv(n)%u(k)/typical_u_rms)**2 + (y%polaramv(n)%v(k)/typical_v_rms)**2
21          end if
22       end do
23 
24       do k=1, iv%info(polaramv)%levels(n)
25          pertile_lhs = pertile_lhs + &
26             (y%polaramv(n)%u(k)/typical_u_rms)**2 + (y%polaramv(n)%v(k)/typical_v_rms)**2
27 
28          y%polaramv(n)%u(k)= y%polaramv(n)%u(k) / typical_u_rms ** 2
29          y%polaramv(n)%v(k)= y%polaramv(n)%v(k) / typical_v_rms ** 2
30       end do
31    end do
32    
33    if (trace_use_dull) call da_trace_exit("da_check_xtoy_adjoint_polaramv")
34 
35 end subroutine da_check_xtoy_adjoint_polaramv
36 
37