da_jo_and_grady_profiler.inc

1 subroutine da_jo_and_grady_profiler( iv, re, jo, jo_grad_y)
2 
3    !-----------------------------------------------------------------------
4    ! Purpose: TBD
5    !-----------------------------------------------------------------------
6 
7    implicit none
8 
9    type(iv_type), intent(in)    :: iv          ! Innovation vector.
10    type(y_type),  intent(in)    :: re          ! Residual vector.
11    type(y_type),  intent(inout) :: jo_grad_y   ! Grad_y(Jo)
12    type(jo_type), intent(inout) :: jo          ! Obs cost function.
13 
14    integer :: n, k
15 
16    if (trace_use_dull) call da_trace_entry("da_jo_and_grady_profiler")
17 
18    jo % profiler_u = 0.0
19    jo % profiler_v = 0.0
20 
21    do n=1, iv%info(profiler)%nlocal
22       do k=1, iv%info(profiler)%levels(n)
23          jo_grad_y%profiler(n)%u(k) = -re%profiler(n)%u(k) / &
24             (iv%profiler(n)%u(k)%error * iv%profiler(n)%u(k)%error)
25          jo_grad_y%profiler(n)%v(k) = -re%profiler(n)%v(k) / &
26             (iv%profiler(n)%v(k)%error * iv%profiler(n)%v(k)%error)
27       end do
28 
29       if (iv%info(profiler)%proc_domain(1,n)) then
30          do k=1, iv%info(profiler)%levels(n)
31             jo % profiler_u = jo % profiler_u - &
32                re%profiler(n)%u(k) * jo_grad_y%profiler(n)%u(k)
33             jo % profiler_v = jo % profiler_v - &
34                re%profiler(n)%v(k) * jo_grad_y%profiler(n)%v(k)
35          end do
36       end if
37    end do
38 
39    jo % profiler_u = 0.5 * jo % profiler_u
40    jo % profiler_v = 0.5 * jo % profiler_v
41 
42    if (trace_use_dull) call da_trace_exit("da_jo_and_grady_profiler")
43 
44 end subroutine da_jo_and_grady_profiler
45 
46