da_residual_gpsref.inc

1 subroutine da_residual_gpsref(oi, y, re,               &
2                                         np_missing, np_bad_data,  &
3                                         np_obs_used, np_available)
4 
5    !-----------------------------------------------------------------------
6    ! Purpose: Calculate residiual for gpsref obs
7    !-----------------------------------------------------------------------
8 
9    implicit none
10 
11    type (ob_type), intent(in)        :: oi     ! Innovation vector (O-B).
12    type (y_type) , intent(in)        :: y      ! y = H (xa)
13    type (y_type) , intent(inout)     :: re     ! Residual structure.
14 
15    integer       , intent(inout)     :: np_available, np_obs_used, &
16                                         np_missing  , np_bad_data
17 
18    type (bad_data_type)              :: n_obs_bad
19    integer                           :: n, k
20 
21    if (oi%num_GPSRef < 1) return
22 
23    n_obs_bad % gpsref % num = number_type(0, 0, 0)
24 
25    do n=1, oi%num_GPSRef
26       do k=1, oi%gpsref(n)%info%levels
27          np_available = np_available + 1
28          re%GPSRef(n)%ref(k) = da_residual(n, k, y%GPSRef(n)%ref(k), &
29                                   oi%GPSRef(n)%ref(k), n_obs_bad%gpsref)
30       end do
31    end do
32 
33    np_missing = np_missing + n_obs_bad % gpsref % num % miss
34    np_bad_data = np_bad_data + n_obs_bad % gpsref % num % bad
35    np_obs_used = np_obs_used + n_obs_bad % gpsref % num % use
36    
37 end subroutine da_residual_gpsref
38 
39