/[MITgcm]/MITgcm/pkg/flt/flt_exchg.F
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Contents of /MITgcm/pkg/flt/flt_exchg.F

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Revision 1.1 - (show annotations) (download)
Thu Sep 13 17:43:55 2001 UTC (22 years, 7 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint51k_post, checkpoint47e_post, checkpoint52l_pre, checkpoint44e_post, hrcube4, hrcube5, checkpoint46l_post, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint50c_post, checkpoint46f_post, checkpoint52d_pre, checkpoint48e_post, checkpoint50c_pre, checkpoint44f_post, checkpoint46b_post, checkpoint52j_pre, checkpoint43a-release1mods, checkpoint51o_pre, checkpoint54d_post, checkpoint54e_post, ecco_c50_e32, ecco_c50_e33, ecco_c50_e30, ecco_c50_e31, release1_p13, checkpoint51l_post, checkpoint48i_post, checkpoint46l_pre, checkpoint52l_post, checkpoint52k_post, chkpt44d_post, checkpoint54, checkpoint51, checkpoint50, checkpoint53, checkpoint52, release1_p8, release1_p9, checkpoint50d_post, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint52f_post, checkpoint50b_pre, checkpoint44e_pre, checkpoint51f_post, release1_b1, ecco_c51_e34d, ecco_c51_e34e, ecco_c51_e34f, ecco_c51_e34g, ecco_c51_e34a, ecco_c51_e34b, ecco_c51_e34c, checkpoint48b_post, checkpoint43, checkpoint51d_post, checkpoint48c_pre, checkpoint47d_pre, checkpoint51t_post, checkpoint51n_post, release1_chkpt44d_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint47a_post, checkpoint48d_pre, checkpoint51j_post, checkpoint47i_post, checkpoint52e_pre, checkpoint52e_post, checkpoint51n_pre, checkpoint47d_post, icebear5, icebear4, icebear3, icebear2, checkpoint53d_post, checkpoint46d_pre, checkpoint48d_post, release1-branch_tutorials, checkpoint48f_post, checkpoint45d_post, checkpoint52b_pre, checkpoint54b_post, checkpoint46j_pre, checkpoint51l_pre, checkpoint52m_post, chkpt44a_post, checkpoint44h_pre, checkpoint48h_post, checkpoint51q_post, ecco_c50_e29, checkpoint51b_pre, checkpoint46a_post, checkpoint47g_post, checkpoint52b_post, checkpoint52c_post, checkpoint46j_post, checkpoint51h_pre, checkpoint46k_post, ecco_c50_e28, chkpt44c_pre, checkpoint48a_post, checkpoint45a_post, checkpoint50f_post, checkpoint50a_post, checkpoint50f_pre, checkpoint52f_pre, ecco_c44_e19, ecco_c44_e18, ecco_c44_e17, ecco_c44_e16, release1_p12, release1_p10, release1_p11, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint47j_post, checkpoint54a_pre, ecco_c50_e33a, checkpoint53c_post, branch-exfmods-tag, checkpoint44g_post, branchpoint-genmake2, checkpoint54a_post, checkpoint46e_pre, checkpoint51r_post, checkpoint48c_post, checkpoint45b_post, checkpoint46b_pre, checkpoint51i_post, release1-branch-end, release1_final_v1, checkpoint51b_post, checkpoint51c_post, checkpoint46c_pre, checkpoint53a_post, checkpoint46, checkpoint47b_post, checkpoint44b_post, ecco_c51_e34, checkpoint46h_pre, checkpoint52d_post, checkpoint53g_post, checkpoint46m_post, checkpoint46a_pre, checkpoint50g_post, checkpoint45c_post, ecco_ice2, ecco_ice1, checkpoint44h_post, checkpoint46g_post, release1_p12_pre, checkpoint52a_pre, ecco_c44_e22, checkpoint50h_post, checkpoint52i_post, checkpoint50e_pre, checkpoint50i_post, ecco_c44_e25, checkpoint51i_pre, checkpoint52h_pre, checkpoint53f_post, checkpoint52j_post, checkpoint47f_post, checkpoint50e_post, chkpt44a_pre, checkpoint46i_post, ecco_c44_e23, ecco_c44_e20, ecco_c44_e21, ecco_c44_e26, ecco_c44_e27, ecco_c44_e24, checkpoint46c_post, ecco-branch-mod1, ecco-branch-mod2, ecco-branch-mod3, ecco-branch-mod4, ecco-branch-mod5, branch-netcdf, checkpoint50d_pre, checkpoint52n_post, checkpoint53b_pre, checkpoint46e_post, release1_beta1, checkpoint51e_post, checkpoint44b_pre, checkpoint42, checkpoint40, checkpoint41, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint46h_post, checkpoint51o_post, checkpoint51f_pre, chkpt44c_post, checkpoint48g_post, checkpoint53b_post, checkpoint47h_post, checkpoint52a_post, checkpoint44f_pre, checkpoint51g_post, ecco_c52_e35, checkpoint46d_post, checkpoint50b_post, release1-branch_branchpoint, checkpoint51m_post, checkpoint53d_pre, checkpoint54c_post, checkpoint51a_post, checkpoint51p_post, checkpoint51u_post
Branch point for: c24_e25_ice, branch-exfmods-curt, release1_final, release1-branch, branch-genmake2, release1, branch-nonh, tg2-branch, ecco-branch, release1_50yr, netcdf-sm0, icebear, checkpoint51n_branch, release1_coupled 
Added package "flt".
 o pkg/flt
 o verification/flt_example
 o visualization of trajectories supplied
 o works but output not available to testscript
1 C $Header: $
2 C $Name: $
3
4 #include "FLT_CPPOPTIONS.h"
5
6 subroutine flt_exchg (
7 I myCurrentIter,
8 I myCurrentTime,
9 I myThid
10 & )
11
12 c ==================================================================
13 c SUBROUTINE flt_exchg
14 c ==================================================================
15 c
16 c o
17 c
18 c ==================================================================
19 c SUBROUTINE flt_exchg
20 c ==================================================================
21
22 c == global variables ==
23
24 #include "SIZE.h"
25 #include "EEPARAMS.h"
26 #include "EESUPPORT.h"
27 #include "EXCH.h"
28 #include "FLT.h"
29 #include "GRID.h"
30 #include "PARAMS.h"
31
32 c == routine arguments ==
33
34 INTEGER myCurrentIter, myThid
35 _RL myCurrentTime
36 INTEGER bi, bj, ic
37 character*(max_len_mbuf) msgbuf
38
39 c == local variables ==
40
41 integer ip
42 integer icountE, icountW, icountN, icountS
43 _RL xx, yy
44 INTEGER imax, imax2, m, iG, jG
45 _RL xlo, xhi, ylo, yhi
46 parameter(imax=9)
47 parameter(imax2=imax*max_npart_exch)
48
49 c buffer for sending/receiving variables (E/W are also used for S/N)
50 _RL fltbuf_sendE(imax2,nSx,nSy)
51 _RL fltbuf_sendW(imax2,nSx,nSy)
52 _RL fltbuf_recvE(imax2,nSx,nSy)
53 _RL fltbuf_recvW(imax2,nSx,nSy)
54
55 _RL npart_dist
56 c == end of interface ==
57
58 C-- Choose floats that have to exchanged with eastern and western tiles
59 C and pack to arrays
60
61
62 DO bj=myByLo(myThid),myByHi(myThid)
63 DO bi=myBxLo(myThid),myBxHi(myThid)
64
65 c initialize buffers
66
67 do m=1,imax2
68 fltbuf_sendE(m,bi,bj) = 0.
69 fltbuf_sendW(m,bi,bj) = 0.
70 fltbuf_recvE(m,bi,bj) = 0.
71 fltbuf_recvW(m,bi,bj) = 0.
72 enddo
73
74 icountE=0
75 icountW=0
76
77 iG = myXGlobalLo + (bi-1)*sNx
78 xlo = xc(1, 1, bi,bj) - delX(iG)
79 xhi = xc(sNx,1,bi,bj) + delX(iG+sNx-1)
80 c
81 do ip=1,npart_tile(bi,bj)
82 c
83 if (xpart(ip,bi,bj) .ge. xhi) then
84 icountE=icountE+1
85 if (icountE .gt. max_npart_exch)
86 & stop ' max_npart_exch too low. stop in flt_exchg'
87
88 ic=(icountE-1)*imax
89 fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj)
90 fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj)
91 fltbuf_sendE(ic+3,bi,bj) = xpart(ip,bi,bj)
92 fltbuf_sendE(ic+4,bi,bj) = ypart(ip,bi,bj)
93 fltbuf_sendE(ic+5,bi,bj) = kpart(ip,bi,bj)
94 fltbuf_sendE(ic+6,bi,bj) = kfloat(ip,bi,bj)
95 fltbuf_sendE(ic+7,bi,bj) = iup(ip,bi,bj)
96 fltbuf_sendE(ic+8,bi,bj) = itop(ip,bi,bj)
97 fltbuf_sendE(ic+9,bi,bj) = tend(ip,bi,bj)
98
99 npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj)
100 tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj)
101 xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj)
102 ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj)
103 kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj)
104 kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj)
105 iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj)
106 itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj)
107 tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj)
108
109 npart_tile(bi,bj) = npart_tile(bi,bj) - 1
110
111 endif
112
113 if (xpart(ip,bi,bj) .le. xlo) then
114 icountW=icountW+1
115 if (icountW .gt. max_npart_exch)
116 & stop ' max_npart_exch too low. stop in flt_exchg'
117
118 ic=(icountW-1)*imax
119 fltbuf_sendW(ic+1,bi,bj) = npart(ip,bi,bj)
120 fltbuf_sendW(ic+2,bi,bj) = tstart(ip,bi,bj)
121 fltbuf_sendW(ic+3,bi,bj) = xpart(ip,bi,bj)
122 fltbuf_sendW(ic+4,bi,bj) = ypart(ip,bi,bj)
123 fltbuf_sendW(ic+5,bi,bj) = kpart(ip,bi,bj)
124 fltbuf_sendW(ic+6,bi,bj) = kfloat(ip,bi,bj)
125 fltbuf_sendW(ic+7,bi,bj) = iup(ip,bi,bj)
126 fltbuf_sendW(ic+8,bi,bj) = itop(ip,bi,bj)
127 fltbuf_sendW(ic+9,bi,bj) = tend(ip,bi,bj)
128
129 npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj)
130 tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj)
131 xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj)
132 ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj)
133 kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj)
134 kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj)
135 iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj)
136 itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj)
137 tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj)
138
139 npart_tile(bi,bj) = npart_tile(bi,bj) - 1
140
141 endif
142
143 enddo
144
145
146 ENDDO
147 ENDDO
148
149 C-- "Put" east and west edges.
150 CALL EXCH_RL_SEND_PUT_VEC_X( fltbuf_sendE, fltbuf_sendW,
151 I imax2, myThid )
152 C-- Receive east/west arrays before exchanging north/south arrays
153 CALL EXCH_RL_RECV_GET_VEC_X( fltbuf_recvE, fltbuf_recvW,
154 I imax2, myThid )
155
156 C-- Unpack arrays on new tiles
157
158 DO bj=myByLo(myThid),myByHi(myThid)
159 DO bi=myBxLo(myThid),myBxHi(myThid)
160
161 do ip=1,max_npart_exch
162 c
163 ic=(ip-1)*imax
164 if (fltbuf_recvE(ic+1,bi,bj) .eq. 0.) goto 100
165 npart_tile(bi,bj) = npart_tile(bi,bj) + 1
166 if (npart_tile(bi,bj) .gt. max_npart_tile)
167 & stop ' max_npart_tile too low. stop in flt_exchg'
168
169 npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+1,bi,bj)
170 tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+2,bi,bj)
171 xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+3,bi,bj)
172 ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+4,bi,bj)
173 kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+5,bi,bj)
174 kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+6,bi,bj)
175 iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+7,bi,bj)
176 itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+8,bi,bj)
177 tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+9,bi,bj)
178
179 enddo
180 100 continue
181
182 do ip=1,max_npart_exch
183 c
184 ic=(ip-1)*imax
185 if (fltbuf_recvW(ic+1,bi,bj) .eq. 0.) goto 200
186 npart_tile(bi,bj) = npart_tile(bi,bj) + 1
187 if (npart_tile(bi,bj) .gt. max_npart_tile)
188 & stop ' max_npart_tile too low. stop in flt_exchg'
189
190 npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+1,bi,bj)
191 tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+2,bi,bj)
192 xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+3,bi,bj)
193 ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+4,bi,bj)
194 kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+5,bi,bj)
195 kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+6,bi,bj)
196 iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+7,bi,bj)
197 itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj)
198 itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj)
199 tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+9,bi,bj)
200
201 enddo
202 200 continue
203
204 ENDDO
205 ENDDO
206
207 C-- Choose floats that have to exchanged with eastern and western tiles
208 C and pack to arrays
209
210
211 DO bj=myByLo(myThid),myByHi(myThid)
212 DO bi=myBxLo(myThid),myBxHi(myThid)
213
214 c initialize buffers
215
216 do m=1,imax2
217 fltbuf_sendE(m,bi,bj) = 0.
218 fltbuf_sendW(m,bi,bj) = 0.
219 fltbuf_recvE(m,bi,bj) = 0.
220 fltbuf_recvW(m,bi,bj) = 0.
221 enddo
222
223 icountN=0
224 icountS=0
225
226 jG = myYGlobalLo + (bj-1)*sNy
227 ylo = yc(1, 1, bi,bj) - delY(jG)
228 yhi = yc(1,sNy,bi,bj) + delY(jG+sNy-1)
229
230 do ip=1,npart_tile(bi,bj)
231
232 if (ypart(ip,bi,bj) .ge. yhi) then
233 icountN=icountN+1
234 if (icountN .gt. max_npart_exch)
235 & stop ' max_npart_exch too low. stop in flt_exchg'
236
237 ic=(icountN-1)*imax
238 fltbuf_sendE(ic+1,bi,bj) = npart(ip,bi,bj)
239 fltbuf_sendE(ic+2,bi,bj) = tstart(ip,bi,bj)
240 fltbuf_sendE(ic+3,bi,bj) = xpart(ip,bi,bj)
241 fltbuf_sendE(ic+4,bi,bj) = ypart(ip,bi,bj)
242 fltbuf_sendE(ic+5,bi,bj) = kpart(ip,bi,bj)
243 fltbuf_sendE(ic+6,bi,bj) = kfloat(ip,bi,bj)
244 fltbuf_sendE(ic+7,bi,bj) = iup(ip,bi,bj)
245 fltbuf_sendE(ic+8,bi,bj) = itop(ip,bi,bj)
246 fltbuf_sendE(ic+9,bi,bj) = tend(ip,bi,bj)
247
248 npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj)
249 tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj)
250 xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj)
251 ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj)
252 kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj)
253 kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj)
254 iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj)
255 itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj)
256 tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj)
257
258 npart_tile(bi,bj) = npart_tile(bi,bj) - 1
259 endif
260
261 if (ypart(ip,bi,bj) .le. ylo) then
262 icountS=icountS+1
263 if (icountS .gt. max_npart_exch)
264 & stop ' max_npart_exch too low. stop in flt_exchg'
265
266 ic=(icountS-1)*imax
267 fltbuf_sendW(ic+1,bi,bj) = npart(ip,bi,bj)
268 fltbuf_sendW(ic+2,bi,bj) = tstart(ip,bi,bj)
269 fltbuf_sendW(ic+3,bi,bj) = xpart(ip,bi,bj)
270 fltbuf_sendW(ic+4,bi,bj) = ypart(ip,bi,bj)
271 fltbuf_sendW(ic+5,bi,bj) = kpart(ip,bi,bj)
272 fltbuf_sendW(ic+6,bi,bj) = kfloat(ip,bi,bj)
273 fltbuf_sendW(ic+7,bi,bj) = iup(ip,bi,bj)
274 fltbuf_sendW(ic+8,bi,bj) = itop(ip,bi,bj)
275 fltbuf_sendW(ic+9,bi,bj) = tend(ip,bi,bj)
276
277 npart(ip,bi,bj) = npart(npart_tile(bi,bj),bi,bj)
278 tstart(ip,bi,bj) = tstart(npart_tile(bi,bj),bi,bj)
279 xpart(ip,bi,bj) = xpart(npart_tile(bi,bj),bi,bj)
280 ypart(ip,bi,bj) = ypart(npart_tile(bi,bj),bi,bj)
281 kpart(ip,bi,bj) = kpart(npart_tile(bi,bj),bi,bj)
282 kfloat(ip,bi,bj) = kfloat(npart_tile(bi,bj),bi,bj)
283 iup(ip,bi,bj) = iup(npart_tile(bi,bj),bi,bj)
284 itop(ip,bi,bj) = itop(npart_tile(bi,bj),bi,bj)
285 tend(ip,bi,bj) = tend(npart_tile(bi,bj),bi,bj)
286
287 npart_tile(bi,bj) = npart_tile(bi,bj) - 1
288 endif
289
290 enddo
291
292 ENDDO
293 ENDDO
294
295 C "Put" north and south arrays.
296 CALL EXCH_RL_SEND_PUT_VEC_Y( fltbuf_sendE, fltbuf_sendW,
297 I imax2, myThid )
298
299 C Receive north and south arrays
300 CALL EXCH_RL_RECV_GET_VEC_Y( fltbuf_recvE, fltbuf_recvW,
301 I imax2, myThid )
302
303 C-- Unpack arrays on new tiles
304
305 DO bj=myByLo(myThid),myByHi(myThid)
306 DO bi=myBxLo(myThid),myBxHi(myThid)
307
308 do ip=1,max_npart_exch
309 c
310 ic=(ip-1)*imax
311 if (fltbuf_recvE(ic+1,bi,bj) .eq. 0.) goto 300
312 npart_tile(bi,bj) = npart_tile(bi,bj) + 1
313 if (npart_tile(bi,bj) .gt. max_npart_tile)
314 & stop ' max_npart_tile too low. stop in flt_exchg'
315
316 npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+1,bi,bj)
317 tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+2,bi,bj)
318 xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+3,bi,bj)
319 ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+4,bi,bj)
320 kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+5,bi,bj)
321 kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+6,bi,bj)
322 iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+7,bi,bj)
323 itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+8,bi,bj)
324 tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvE(ic+9,bi,bj)
325
326 enddo
327 300 continue
328
329 do ip=1,max_npart_exch
330 c
331 ic=(ip-1)*imax
332 if (fltbuf_recvW(ic+1,bi,bj) .eq. 0.) goto 400
333 npart_tile(bi,bj) = npart_tile(bi,bj) + 1
334 if (npart_tile(bi,bj) .gt. max_npart_tile)
335 & stop ' max_npart_tile too low. stop in flt_exchg'
336
337 npart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+1,bi,bj)
338 tstart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+2,bi,bj)
339 xpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+3,bi,bj)
340 ypart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+4,bi,bj)
341 kpart(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+5,bi,bj)
342 kfloat(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+6,bi,bj)
343 iup(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+7,bi,bj)
344 itop(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+8,bi,bj)
345 tend(npart_tile(bi,bj),bi,bj) = fltbuf_recvW(ic+9,bi,bj)
346
347 enddo
348 400 continue
349
350 ENDDO
351 ENDDO
352
353 return
354 end
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