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subroutine da_residual_rad(iv, y, re, np_missing, np_bad_data, np_obs_used, np_available) 1,3
!---------------------------------------------------------------------------
! Purpose: Calculate Obs Residual and counting obs number.
!
! Method: re = (d - H delta_x)
!---------------------------------------------------------------------------
implicit none
type (iv_type), intent(in) :: iv ! Innovation vector (O-B).
type (y_type) , intent(in) :: y ! y = H (xa)
type (y_type) , intent(inout) :: re ! Residual vector (O-A).
integer , intent(inout) :: np_available
integer , intent(inout) :: np_obs_used
integer , intent(inout) :: np_missing
integer , intent(inout) :: np_bad_data
type (bad_data_type) :: n_obs_bad
integer :: i
if (trace_use) call da_trace_entry
("da_residual_rad")
do i = 1, iv%num_inst
if (iv%instid(i)%num_rad < 1) cycle
n_obs_bad % rad % num = number_type(0, 0, 0)
call da_residual_new(y%instid(i)%tb(:,:), iv%instid(i)%tb_qc(:,:), &
iv%instid(i)%tb_inv(:,:), re%instid(i)%tb(:,:))
np_available = iv%instid(i)%nchan*iv%instid(i)%num_rad
end do
np_missing = np_missing + n_obs_bad % rad % num % miss
np_bad_data = np_bad_data + n_obs_bad % rad % num % bad
np_obs_used = np_obs_used + n_obs_bad % rad % num % use
if (trace_use) call da_trace_exit("da_residual_rad")
end subroutine da_residual_rad