1 |
C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_generic.F,v 1.5 2005/09/07 02:44:37 heimbach Exp $ |
2 |
|
3 |
#include "COST_CPPOPTIONS.h" |
4 |
|
5 |
|
6 |
subroutine cost_generic( |
7 |
& nnzbar, localbarfile, localbar, xx_localbar_mean_dummy, |
8 |
& nnzobs, localobsfile, localobs, mult_local, |
9 |
& nrecloc, localstartdate, localperiod, |
10 |
& localmask, localweight, |
11 |
& spminloc, spmaxloc, spzeroloc, |
12 |
& objf_local, num_local, |
13 |
& myiter, mytime, mythid ) |
14 |
|
15 |
c ================================================================== |
16 |
c SUBROUTINE cost_generic |
17 |
c ================================================================== |
18 |
c |
19 |
c o Generic routine for evaluating time-dependent |
20 |
c cost function contribution |
21 |
c |
22 |
c ================================================================== |
23 |
c SUBROUTINE cost_generic |
24 |
c ================================================================== |
25 |
|
26 |
implicit none |
27 |
|
28 |
c == global variables == |
29 |
|
30 |
#include "EEPARAMS.h" |
31 |
#include "SIZE.h" |
32 |
#include "PARAMS.h" |
33 |
#ifdef ALLOW_CAL |
34 |
# include "cal.h" |
35 |
#endif |
36 |
#ifdef ALLOW_COST |
37 |
# include "ecco_cost.h" |
38 |
# include "optim.h" |
39 |
# ifdef ALLOW_SEAICE |
40 |
# include "SEAICE_COST.h" |
41 |
# endif |
42 |
#endif |
43 |
|
44 |
c == routine arguments == |
45 |
|
46 |
integer nnzbar |
47 |
integer nnzobs |
48 |
integer nrecloc |
49 |
integer myiter |
50 |
integer mythid |
51 |
integer localstartdate(4) |
52 |
|
53 |
_RL localbar (1-olx:snx+olx,1-oly:sny+oly,nnzbar,nsx,nsy) |
54 |
_RL localobs (1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
55 |
_RL localweight(1-olx:snx+olx,1-oly:sny+oly,nnzobs,nsx,nsy) |
56 |
_RL localmask (1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
57 |
_RL xx_localbar_mean_dummy |
58 |
_RL mult_local |
59 |
_RL mytime |
60 |
_RL localperiod |
61 |
_RL spminloc |
62 |
_RL spmaxloc |
63 |
_RL spzeroloc |
64 |
_RL objf_local(nsx,nsy) |
65 |
_RL num_local(nsx,nsy) |
66 |
|
67 |
character*(MAX_LEN_FNAM) localbarfile |
68 |
character*(MAX_LEN_FNAM) localobsfile |
69 |
|
70 |
#ifdef ALLOW_COST |
71 |
c == local variables == |
72 |
|
73 |
integer bi,bj |
74 |
integer i,j,k |
75 |
integer itlo,ithi |
76 |
integer jtlo,jthi |
77 |
integer jmin,jmax |
78 |
integer imin,imax |
79 |
integer irec |
80 |
integer il |
81 |
integer localrec |
82 |
integer obsrec |
83 |
|
84 |
logical doglobalread |
85 |
logical ladinit |
86 |
|
87 |
_RL spval |
88 |
parameter (spval = -9999. ) |
89 |
_RL localwww |
90 |
_RL localcost |
91 |
_RL junk |
92 |
|
93 |
_RL cmask (1-olx:snx+olx,1-oly:sny+oly,nnzobs) |
94 |
|
95 |
character*(128) fname1, fname2 |
96 |
character*(MAX_LEN_MBUF) msgbuf |
97 |
|
98 |
cnew( |
99 |
_RL daytime |
100 |
_RL diffsecs |
101 |
integer dayiter |
102 |
integer daydate(4) |
103 |
integer difftime(4) |
104 |
integer middate(4) |
105 |
integer yday, ymod |
106 |
integer md, dd, sd, ld, wd |
107 |
integer mody, modm |
108 |
integer beginmodel, beginlocal |
109 |
logical exst |
110 |
cnew) |
111 |
|
112 |
c == external functions == |
113 |
|
114 |
integer ilnblnk |
115 |
external ilnblnk |
116 |
|
117 |
c == end of interface == |
118 |
|
119 |
jtlo = mybylo(mythid) |
120 |
jthi = mybyhi(mythid) |
121 |
itlo = mybxlo(mythid) |
122 |
ithi = mybxhi(mythid) |
123 |
jmin = 1 |
124 |
jmax = sny |
125 |
imin = 1 |
126 |
imax = snx |
127 |
|
128 |
c-- Initialise local variables. |
129 |
|
130 |
localwww = 0. _d 0 |
131 |
|
132 |
do bj = jtlo,jthi |
133 |
do bi = itlo,ithi |
134 |
objf_local(bi,bj) = 0. _d 0 |
135 |
num_local(bi,bj) = 0. _d 0 |
136 |
enddo |
137 |
enddo |
138 |
|
139 |
c-- First, read tiled data. |
140 |
doglobalread = .false. |
141 |
ladinit = .false. |
142 |
|
143 |
write(fname1(1:128),'(80a)') ' ' |
144 |
il=ilnblnk( localbarfile ) |
145 |
write(fname1(1:128),'(2a,i10.10)') |
146 |
& localbarfile(1:il),'.',optimcycle |
147 |
|
148 |
if ( .NOT. ( mult_local.EQ.0. .OR. localobsfile.EQ.' ' ) ) then |
149 |
|
150 |
c-- Loop over records for the second time. |
151 |
do irec = 1, nrecloc |
152 |
|
153 |
if ( nnzbar .EQ. 1 ) then |
154 |
call active_read_xy( fname1, localbar, irec, doglobalread, |
155 |
& ladinit, optimcycle, mythid, |
156 |
& xx_localbar_mean_dummy ) |
157 |
else |
158 |
call active_read_xyz( fname1, localbar, irec, doglobalread, |
159 |
& ladinit, optimcycle, mythid, |
160 |
& xx_localbar_mean_dummy ) |
161 |
endif |
162 |
|
163 |
cnew( |
164 |
if ( localperiod .EQ. 86400. ) then |
165 |
c-- assume daily fields |
166 |
obsrec = irec |
167 |
daytime = FLOAT(secondsperday*(irec-1)) |
168 |
dayiter = hoursperday*(irec-1) |
169 |
call cal_getdate( dayiter, daytime, daydate, mythid ) |
170 |
call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid ) |
171 |
ymod = localstartdate(1)/10000 |
172 |
if ( ymod .EQ. yday ) then |
173 |
middate(1) = modelstartdate(1) |
174 |
else |
175 |
middate(1) = yday*10000+100+1 |
176 |
endif |
177 |
middate(2) = 0 |
178 |
middate(3) = modelstartdate(3) |
179 |
middate(4) = modelstartdate(4) |
180 |
call cal_TimePassed( middate, daydate, difftime, mythid ) |
181 |
call cal_ToSeconds( difftime, diffsecs, mythid ) |
182 |
localrec = int(diffsecs/localperiod) + 1 |
183 |
else |
184 |
c-- assume monthly fields |
185 |
beginlocal = localstartdate(1)/10000 |
186 |
beginmodel = modelstartdate(1)/10000 |
187 |
obsrec = |
188 |
& ( beginmodel - beginlocal )*nmonthyear |
189 |
& + ( mod(modelstartdate(1)/100,100) |
190 |
& -mod(localstartdate(1)/100,100) ) |
191 |
& + irec |
192 |
mody = modelstartdate(1)/10000 |
193 |
modm = modelstartdate(1)/100 - mody*100 |
194 |
yday = mody + INT((modm-1+irec-1)/12) |
195 |
localrec = 1 + MOD(modm-1+irec-1,12) |
196 |
endif |
197 |
|
198 |
il=ilnblnk(localobsfile) |
199 |
write(fname2(1:128),'(2a,i4)') |
200 |
& localobsfile(1:il), '_', yday |
201 |
inquire( file=fname2, exist=exst ) |
202 |
if (.NOT. exst) then |
203 |
write(fname2(1:128),'(a)') localobsfile(1:il) |
204 |
localrec = obsrec |
205 |
endif |
206 |
|
207 |
if ( localrec .GT. 0 ) then |
208 |
call mdsreadfield( fname2, cost_iprec, cost_yftype, nnzobs, |
209 |
& localobs, localrec, mythid ) |
210 |
else |
211 |
do bj = jtlo,jthi |
212 |
do bi = itlo,ithi |
213 |
do k = 1,nnzobs |
214 |
do j = jmin,jmax |
215 |
do i = imin,imax |
216 |
localobs(i,j,k,bi,bj) = spval |
217 |
enddo |
218 |
enddo |
219 |
enddo |
220 |
enddo |
221 |
enddo |
222 |
endif |
223 |
cnew) |
224 |
|
225 |
do bj = jtlo,jthi |
226 |
do bi = itlo,ithi |
227 |
|
228 |
localcost = 0. _d 0 |
229 |
|
230 |
c-- Determine the mask on weights |
231 |
do k = 1,nnzobs |
232 |
do j = jmin,jmax |
233 |
do i = imin,imax |
234 |
cmask(i,j,k) = cosphi(i,j,bi,bj)*localmask(i,j,k,bi,bj) |
235 |
if ( localobs(i,j,k,bi,bj) .lt. spminloc .or. |
236 |
& localobs(i,j,k,bi,bj) .gt. spmaxloc .or. |
237 |
& localobs(i,j,k,bi,bj) .eq. spzeroloc ) then |
238 |
cmask(i,j,k) = 0. _d 0 |
239 |
endif |
240 |
enddo |
241 |
enddo |
242 |
enddo |
243 |
c-- |
244 |
do k = 1,nnzobs |
245 |
do j = jmin,jmax |
246 |
do i = imin,imax |
247 |
localwww = localweight(i,j,k,bi,bj)*cmask(i,j,k) |
248 |
junk = ( localbar(i,j,k,bi,bj) - |
249 |
& localobs(i,j,k,bi,bj) ) |
250 |
localcost = localcost + junk*junk*localwww |
251 |
if ( localwww .ne. 0. ) |
252 |
& num_local(bi,bj) = num_local(bi,bj) + 1. _d 0 |
253 |
enddo |
254 |
enddo |
255 |
enddo |
256 |
|
257 |
objf_local(bi,bj) = objf_local(bi,bj) + localcost |
258 |
|
259 |
enddo |
260 |
enddo |
261 |
|
262 |
enddo |
263 |
c-- End of second loop over records. |
264 |
|
265 |
c-- End of mult_local or localobsfile |
266 |
endif |
267 |
|
268 |
#endif /* ifdef ALLOW_COST */ |
269 |
|
270 |
end |