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<A NAME='DA_RESIDUAL_PILOT'><A href='../../html_code/pilot/da_residual_pilot.inc.html#DA_RESIDUAL_PILOT' TARGET='top_target'><IMG SRC="../../gif/bar_red.gif" border=0></A>
subroutine da_residual_pilot(iv, y, re, np_missing, np_bad_data, np_obs_used, np_available) 1,4
!-----------------------------------------------------------------------
! Purpose: Calculate residuals for pilots
!-----------------------------------------------------------------------
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 :: n, k
if (trace_use_dull) call da_trace_entry
("da_residual_pilot")
n_obs_bad % u % num = number_type(0, 0, 0)
n_obs_bad % v % num = number_type(0, 0, 0)
do n=1, iv%info(pilot)%nlocal
do k=1, iv%info(pilot)%levels(n)
np_available = np_available + 2
re%pilot(n)%u(k) = da_residual(n, k, y%pilot(n)%u(k), iv%pilot(n)%u(k), n_obs_bad % u)
re%pilot(n)%v(k) = da_residual(n, k, y%pilot(n)%v(k), iv%pilot(n)%v(k), n_obs_bad % v)
end do
end do
np_missing = np_missing + n_obs_bad % u % num % miss + n_obs_bad % v % num % miss
np_bad_data = np_bad_data + n_obs_bad % u % num % bad + n_obs_bad % v % num % bad
np_obs_used = np_obs_used + n_obs_bad % u % num % use + n_obs_bad % v % num % use
if (trace_use_dull) call da_trace_exit("da_residual_pilot")
end subroutine da_residual_pilot