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subroutine da_ao_stats_gpsref (stats_unit, iv, re) 1,6
!--------------------------------------------------------------------
! Purpose: Called by da_minimisation/da_write_diagnostics.inc.
!--------------------------------------------------------------------
implicit none
integer, intent(in) :: stats_unit ! Output unit for stats.
type (iv_type), intent(inout) :: iv ! iv
type (y_type), intent(in) :: re ! A - O
type (stats_gpsref_type) :: stats
integer :: ngpsref
integer :: n, k
real :: o_minus_b, o_minus_a, sigma_o, sigma_b
real :: o_minus_b_0, o_minus_a_0, sigma_o_0, sigma_b_0
if (trace_use_dull) call da_trace_entry
("da_ao_stats_gpsref")
ngpsref = 0
o_minus_b_0 = 0.0; o_minus_a_0 = 0.0; sigma_o_0 = 0.0; sigma_b_0 = 0.0
stats%maximum%ref = maxmin_type (missing_r, 0, 0)
stats%minimum%ref = maxmin_type(-missing_r, 0, 0)
stats%average = residual_gpsref1_type(0.0,0.0,0.0,0.0)
stats%rms_err = stats%average
do n=1, iv%info(gpsref)%nlocal
if (iv%info(gpsref)%proc_domain(1,n)) then
do k=1, iv%info(gpsref)%levels(n)
call da_stats_calculate (n, k, iv%gpsref(n)%ref(k)%qc, &
re%gpsref(n)%ref(k), ngpsref, &
stats%minimum%ref, stats%maximum%ref, &
stats%average%ref, stats%rms_err%ref)
if (pseudo_var(1:3) == 'ref' .and. num_pseudo > 0) then
o_minus_b = iv%GPSRef(n)%ref(k)%inv
o_minus_a = re%gpsref(n)%ref(k)
sigma_o = iv%gpsref(n)%ref(k)%error
end if
end do
if (pseudo_var(1:3) == 'ref' .and. num_pseudo > 0) then
! Calculate equivalent sigma_b using
! O-A=(O-B)*sigma_o/(sigma_o+sigma_b)
sigma_b = sqrt ((o_minus_b - o_minus_a) &
/ o_minus_a) * sigma_o
o_minus_b_0 = wrf_dm_sum_real (o_minus_b)
o_minus_a_0 = wrf_dm_sum_real (o_minus_a)
sigma_o_0 = wrf_dm_sum_real (sigma_o)
sigma_b_0 = wrf_dm_sum_real (sigma_b)
write (unit=stdout,fmt='(A,F10.2)') &
'TEST_COVERAGE_da_ao_stats_gpsref: o_minus_b_0 = ', o_minus_b_0
write (unit=stdout,fmt='(A,F10.2)') &
'TEST_COVERAGE_da_ao_stats_gpsref: o_minus_a_0 = ', o_minus_a_0
write (unit=stdout,fmt='(A,F10.2)') &
'TEST_COVERAGE_da_ao_stats_gpsref: sigma_o_0 = ', sigma_o_0
write (unit=stdout,fmt='(A,F10.2)') &
'TEST_COVERAGE_da_ao_stats_gpsref: sigma_b_0 = ', sigma_b_0
if (rootproc) then
write(stats_unit,'(/A,A3,A,f12.3)') &
' Pseudo ', pseudo_var, ' O-B: ', o_minus_b_0
write(stats_unit,' (A,A3,A,f12.3)') &
' Pseudo ', pseudo_var, ' O-A: ', o_minus_a_0
write(stats_unit,' (A,A3,A,f12.3)') &
' Pseudo ', pseudo_var, ' sigma_o: ', sigma_o_0
write(stats_unit,'(A,A3,A,f12.3)') &
' Pseudo ', pseudo_var, ' sigma_b: ', sigma_b_0
end if
end if
end if ! end if (iv%info(gpsref)%proc_domain(1,n))
end do
! Do inter-processor communication to gather statistics.
call da_proc_sum_int (ngpsref)
iv%nstats(gpsref) = ngpsref
call da_proc_stats_combine(stats%average%ref, stats%rms_err%ref, &
stats%minimum%ref%value, stats%maximum%ref%value, &
stats%minimum%ref%n, stats%maximum%ref%n, &
stats%minimum%ref%l, stats%maximum%ref%l)
if (rootproc) then
if (ngpsref > 0) then
write(unit=stats_unit, fmt='(/a/)') ' Diagnostics of AO for gpsref'
call da_print_stats_gpsref(stats_unit, ngpsref, stats)
end if
end if
if (trace_use_dull) call da_trace_exit("da_ao_stats_gpsref")
end subroutine da_ao_stats_gpsref