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nemogcm.F90 in NEMO/branches/2019/dev_r11943_MERGE_2019/src/SAS – NEMO

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source: NEMO/branches/2019/dev_r11943_MERGE_2019/src/SAS/nemogcm.F90 @ 11960

Last change on this file since 11960 was 11960, checked in by acc, 4 years ago
Branch 2019/dev_r11943_MERGE_2019. Merge in changes from 2019/dev_r11613_ENHANCE-04_namelists_as_internalfiles. (svn merge -r 11614:11954). Resolved tree conflicts and one actual conflict. Sette tested(these changes alter the ext/AGRIF reference; remember to update). See ticket #2341
Property svn:keywords set to `Id`
File size: 27.7 KB

Line
1	MODULE nemogcm
2	!!======================================================================
3	!! * MODULE nemogcm *
4	!! StandAlone Surface module : surface fluxes + sea-ice + iceberg floats
5	!!======================================================================
6	!! History : 3.6 ! 2011-11 (S. Alderson, G. Madec) original code
7	!! - ! 2013-06 (I. Epicoco, S. Mocavero, CMCC) nemo_northcomms: setup avoiding MPI communication
8	!! - ! 2014-12 (G. Madec) remove KPP scheme and cross-land advection (cla)
9	!! 4.0 ! 2016-10 (G. Madec, S. Flavoni) domain configuration / user defined interface
10	!!----------------------------------------------------------------------
11
12	!!----------------------------------------------------------------------
13	!! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice
14	!! nemo_init : initialization of the NEMO system
15	!! nemo_ctl : initialisation of the contol print
16	!! nemo_closefile: close remaining open files
17	!! nemo_alloc : dynamical allocation
18	!!----------------------------------------------------------------------
19	USE step_oce ! module used in the ocean time stepping module
20	USE sbc_oce ! surface boundary condition: ocean
21	USE phycst ! physical constant (par_cst routine)
22	USE domain ! domain initialization (dom_init & dom_cfg routines)
23	USE closea ! treatment of closed seas (for ln_closea)
24	USE usrdef_nam ! user defined configuration
25	USE daymod ! calendar
26	USE restart ! open restart file
27	USE step ! NEMO time-stepping (stp routine)
28	USE cpl_oasis3 !
29	USE sbcssm !
30	USE icbini ! handle bergs, initialisation
31	USE icbstp ! handle bergs, calving, themodynamics and transport
32	USE bdyini ! open boundary cond. setting (bdy_init routine). mandatory for sea-ice
33	USE bdydta ! open boundary cond. setting (bdy_dta_init routine). mandatory for sea-ice
34	USE diu_layers ! diurnal bulk SST and coolskin
35	USE step_diu ! diurnal bulk SST timestepping (called from here if run offline)
36	!
37	USE lib_mpp ! distributed memory computing
38	USE mppini ! shared/distributed memory setting (mpp_init routine)
39	USE lbcnfd , ONLY : isendto, nsndto, nfsloop, nfeloop ! Setup of north fold exchanges
40	USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined)
41	#if defined key_iomput
42	USE xios ! xIOserver
43	#endif
44	#if defined key_agrif && defined key_si3
45	USE agrif_ice_update ! ice update
46	#endif
47
48	IMPLICIT NONE
49	PRIVATE
50
51	PUBLIC nemo_gcm ! called by model.F90
52	PUBLIC nemo_init ! needed by AGRIF
53
54	CHARACTER(lc) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
55
56	#if defined key_mpp_mpi
57	INCLUDE 'mpif.h'
58	#endif
59
60	!!----------------------------------------------------------------------
61	!! NEMO/SAS 4.0 , NEMO Consortium (2018)
62	!! $Id$
63	!! Software governed by the CeCILL license (see ./LICENSE)
64	!!----------------------------------------------------------------------
65	CONTAINS
66
67	SUBROUTINE nemo_gcm
68	!!----------------------------------------------------------------------
69	!! * ROUTINE nemo_gcm *
70	!!
71	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
72	!! curvilinear mesh on the sphere.
73	!!
74	!! ** Method : - model general initialization
75	!! - launch the time-stepping (stp routine)
76	!! - finalize the run by closing files and communications
77	!!
78	!! References : Madec, Delecluse, Imbard, and Levy, 1997: internal report, IPSL.
79	!! Madec, 2008, internal report, IPSL.
80	!!----------------------------------------------------------------------
81	INTEGER :: istp ! time step index
82	!!----------------------------------------------------------------------
83	!
84	#if defined key_agrif
85	CALL Agrif_Init_Grids() ! AGRIF: set the meshes
86	#endif
87	! !-----------------------!
88	CALL nemo_init !== Initialisations ==!
89	! !-----------------------!
90	#if defined key_agrif
91	Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
92	CALL Agrif_Declare_Var_dom ! AGRIF: set the meshes for DOM
93	CALL Agrif_Declare_Var ! " " " " " DYN/TRA
94	# if defined key_top
95	CALL Agrif_Declare_Var_top ! " " " " " TOP
96	# endif
97	# if defined key_si3
98	CALL Agrif_Declare_Var_ice ! " " " " " Sea ice
99	# endif
100	#endif
101	! check that all process are still there... If some process have an error,
102	! they will never enter in step and other processes will wait until the end of the cpu time!
103	CALL mpp_max( 'nemogcm', nstop )
104
105	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
106
107	! !-----------------------!
108	! !== time stepping ==!
109	! !-----------------------!
110	istp = nit000
111	!
112	#if defined key_agrif
113	! !== AGRIF time-stepping ==!
114	CALL Agrif_Regrid()
115	!
116	#if defined key_si3
117	! Recursive update from highest nested level to lowest:
118	Kbb_a = Nbb; Kmm_a = Nnn; Krhs_a = Nrhs ! agrif_oce module copies of time level indices
119	CALL Agrif_step_child_adj(Agrif_update_ice)
120	#endif
121	!
122	DO WHILE( istp <= nitend .AND. nstop == 0 )
123	CALL stp
124	istp = istp + 1
125	END DO
126	!
127	IF( .NOT. Agrif_Root() ) THEN
128	CALL Agrif_ParentGrid_To_ChildGrid()
129	IF( ln_timing ) CALL timing_finalize
130	CALL Agrif_ChildGrid_To_ParentGrid()
131	ENDIF
132	!
133	#else
134	!
135	IF( .NOT.ln_diurnal_only ) THEN !== Standard time-stepping ==!
136	!
137	DO WHILE( istp <= nitend .AND. nstop == 0 )
138	#if defined key_mpp_mpi
139	ncom_stp = istp
140	IF ( istp == ( nit000 + 1 ) ) elapsed_time = MPI_Wtime()
141	IF ( istp == nitend ) elapsed_time = MPI_Wtime() - elapsed_time
142	#endif
143	CALL stp ( istp )
144	istp = istp + 1
145	END DO
146	!
147	ELSE !== diurnal SST time-steeping only ==!
148	!
149	DO WHILE( istp <= nitend .AND. nstop == 0 )
150	CALL stp_diurnal( istp ) ! time step only the diurnal SST
151	istp = istp + 1
152	END DO
153	!
154	ENDIF
155	!
156	#endif
157	!
158	IF( ln_icebergs ) CALL icb_end( nitend )
159
160	! !------------------------!
161	! !== finalize the run ==!
162	! !------------------------!
163	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
164	!
165	IF( nstop /= 0 .AND. lwp ) THEN ! error print
166	WRITE(ctmp1,*) ' ==>>> nemo_gcm: a total of ', nstop, ' errors have been found'
167	CALL ctl_stop( ctmp1 )
168	ENDIF
169	!
170	IF( ln_timing ) CALL timing_finalize
171	!
172	CALL nemo_closefile
173	!
174	#if defined key_iomput
175	CALL xios_finalize ! end mpp communications with xios
176	IF( lk_oasis ) CALL cpl_finalize ! end coupling and mpp communications with OASIS
177	#else
178	IF ( lk_oasis ) THEN ; CALL cpl_finalize ! end coupling and mpp communications with OASIS
179	ELSEIF( lk_mpp ) THEN ; CALL mppstop ! end mpp communications
180	ENDIF
181	#endif
182	!
183	IF(lwm) THEN
184	IF( nstop == 0 ) THEN ; STOP 0
185	ELSE ; STOP 123
186	ENDIF
187	ENDIF
188	!
189	END SUBROUTINE nemo_gcm
190
191
192	SUBROUTINE nemo_init
193	!!----------------------------------------------------------------------
194	!! * ROUTINE nemo_init *
195	!!
196	!! ** Purpose : initialization of the NEMO GCM
197	!!----------------------------------------------------------------------
198	INTEGER :: ios, ilocal_comm ! local integers
199	!!
200	NAMELIST/namctl/ ln_ctl , sn_cfctl, nn_print, nn_ictls, nn_ictle, &
201	& nn_isplt , nn_jsplt, nn_jctls, nn_jctle, &
202	& ln_timing, ln_diacfl
203	NAMELIST/namcfg/ ln_read_cfg, cn_domcfg, ln_closea, ln_write_cfg, cn_domcfg_out, ln_use_jattr
204	!!----------------------------------------------------------------------
205	!
206	IF( lk_oasis ) THEN ; cxios_context = 'sas'
207	ELSE ; cxios_context = 'nemo'
208	ENDIF
209	!
210	! !-------------------------------------------------!
211	! ! set communicator & select the local rank !
212	! ! must be done as soon as possible to get narea !
213	! !-------------------------------------------------!
214	!
215	#if defined key_iomput
216	IF( Agrif_Root() ) THEN
217	IF( lk_oasis ) THEN
218	CALL cpl_init( "sas", ilocal_comm ) ! nemo local communicator given by oasis
219	CALL xios_initialize( "not used",local_comm=ilocal_comm ) ! send nemo communicator to xios
220	ELSE
221	CALL xios_initialize( "for_xios_mpi_id",return_comm=ilocal_comm ) ! nemo local communicator given by xios
222	ENDIF
223	ENDIF
224	CALL mpp_start( ilocal_comm )
225	#else
226	IF( lk_oasis ) THEN
227	IF( Agrif_Root() ) THEN
228	CALL cpl_init( "sas", ilocal_comm ) ! nemo local communicator given by oasis
229	ENDIF
230	CALL mpp_start( ilocal_comm )
231	ELSE
232	CALL mpp_start( )
233	ENDIF
234	#endif
235	!
236	narea = mpprank + 1 ! mpprank: the rank of proc (0 --> mppsize -1 )
237	lwm = (narea == 1) ! control of output namelists
238	!
239	! !---------------------------------------------------------------!
240	! ! Open output files, reference and configuration namelist files !
241	! !---------------------------------------------------------------!
242	!
243	! open ocean.output as soon as possible to get all output prints (including errors messages)
244	IF( lk_oasis ) THEN
245	IF( lwm ) CALL ctl_opn( numout, 'sas.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
246	! open reference and configuration namelist files
247	CALL load_nml( numnam_ref, 'namelist_sas_ref', -1, lwm )
248	CALL load_nml( numnam_cfg, 'namelist_sas_cfg', -1, lwm )
249	IF( lwm ) CALL ctl_opn( numond, 'output.namelist_sas.dyn', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
250	ELSE
251	IF( lwm ) CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
252	! open reference and configuration namelist files
253	CALL load_nml( numnam_ref, 'namelist_ref', -1, lwm )
254	CALL load_nml( numnam_cfg, 'namelist_cfg', -1, lwm )
255	IF( lwm ) CALL ctl_opn( numond, 'output.namelist.dyn', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
256	ENDIF
257	! open /dev/null file to be able to supress output write easily
258	CALL ctl_opn( numnul, '/dev/null', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
259	!
260	! !--------------------!
261	! ! Open listing units ! -> need ln_ctl from namctl to define lwp
262	! !--------------------!
263	!
264	READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 )
265	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist' )
266	READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 )
267	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist' )
268	!
269	lwp = (narea == 1) .OR. ln_ctl ! control of all listing output print
270	!
271	IF(lwp) THEN ! open listing units
272	!
273	IF( .NOT. lwm ) THEN ! alreay opened for narea == 1
274	IF(lk_oasis) THEN ; CALL ctl_opn( numout, 'sas.output','REPLACE','FORMATTED','SEQUENTIAL',-1,-1, .FALSE., narea )
275	ELSE ; CALL ctl_opn( numout, 'ocean.output','REPLACE','FORMATTED','SEQUENTIAL',-1,-1, .FALSE., narea )
276	ENDIF
277	ENDIF
278	!
279	WRITE(numout,*)
280	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - CMCC'
281	WRITE(numout,*) ' NEMO team'
282	WRITE(numout,*) ' Ocean General Circulation Model'
283	WRITE(numout,*) ' NEMO version 4.0 (2019) '
284	WRITE(numout,*) ' StandAlone Surface version (SAS) '
285	WRITE(numout,*) " ._ ._ ._ ._ ._ "
286	WRITE(numout,*) " _.-._)`\_.-._)`\_.-._)`\_.-._)`\_.-._)`\_ "
287	WRITE(numout,*)
288	WRITE(numout,*) " o _, _, "
289	WRITE(numout,*) " o .' ( .-' / "
290	WRITE(numout,*) " o _/..._'. .' / "
291	WRITE(numout,*) " ( o .-'` ` '-./ _.' "
292	WRITE(numout,*) " ) ( o) ;= <_ ( "
293	WRITE(numout,*) " ( '-.,\\__ __.-;`\ '. ) "
294	WRITE(numout,*) " ) ) \) \|`\ \) '. \ ( ( "
295	WRITE(numout,*) " ( ( \_/ '-._\ ) ) "
296	WRITE(numout,*) " ) ) jgs ` ( ( "
297	WRITE(numout,*) " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ "
298	WRITE(numout,*)
299	WRITE(numout,*)
300	!
301	WRITE(numout,cform_aaa) ! Flag AAAAAAA
302	!
303	ENDIF
304	!
305	! finalize the definition of namctl variables
306	IF( sn_cfctl%l_config ) THEN
307	! Activate finer control of report outputs
308	! optionally switch off output from selected areas (note this only
309	! applies to output which does not involve global communications)
310	IF( ( narea < sn_cfctl%procmin .OR. narea > sn_cfctl%procmax ) .OR. &
311	& ( MOD( narea - sn_cfctl%procmin, sn_cfctl%procincr ) /= 0 ) ) &
312	& CALL nemo_set_cfctl( sn_cfctl, .FALSE., .FALSE. )
313	ELSE
314	! Use ln_ctl to turn on or off all options.
315	CALL nemo_set_cfctl( sn_cfctl, ln_ctl, .TRUE. )
316	ENDIF
317	!
318	IF(lwm) WRITE( numond, namctl )
319	!
320	! !------------------------------------!
321	! ! Set global domain size parameters !
322	! !------------------------------------!
323	!
324	READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 )
325	903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist' )
326	READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 )
327	904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist' )
328	!
329	IF( ln_read_cfg ) THEN ! Read sizes in domain configuration file
330	CALL domain_cfg ( cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio )
331	ELSE ! user-defined namelist
332	CALL usr_def_nam( cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio )
333	ENDIF
334	!
335	IF(lwm) WRITE( numond, namcfg )
336	!
337	! !-----------------------------------------!
338	! ! mpp parameters and domain decomposition !
339	! !-----------------------------------------!
340	CALL mpp_init
341
342	! Now we know the dimensions of the grid and numout has been set: we can allocate arrays
343	CALL nemo_alloc()
344
345	! Initialise time level indices
346	Nbb = 1; Nnn = 2; Naa = 3; Nrhs = Naa
347
348	! !-------------------------------!
349	! ! NEMO general initialization !
350	! !-------------------------------!
351
352	CALL nemo_ctl ! Control prints
353	!
354	! ! General initialization
355	IF( ln_timing ) CALL timing_init ! timing
356	IF( ln_timing ) CALL timing_start( 'nemo_init')
357
358	CALL phy_cst ! Physical constants
359	CALL eos_init ! Equation of seawater
360	CALL dom_init( Nbb, Nnn, Naa, 'SAS') ! Domain
361	IF( ln_ctl ) CALL prt_ctl_init ! Print control
362
363	CALL day_init ! model calendar (using both namelist and restart infos)
364	IF( ln_rstart ) CALL rst_read_open
365
366	! ! external forcing
367	CALL sbc_init( Nbb, Nnn, Naa ) ! Forcings : surface module
368
369	! ==> clem: open boundaries init. is mandatory for sea-ice because ice BDY is not decoupled from
370	! the environment of ocean BDY. Therefore bdy is called in both OPA and SAS modules.
371	! This is not clean and should be changed in the future.
372	CALL bdy_init
373	! ==>
374	CALL icb_init( rdt, nit000) ! initialise icebergs instance
375	!
376	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
377	!
378	IF( ln_timing ) CALL timing_stop( 'nemo_init')
379	!
380	END SUBROUTINE nemo_init
381
382
383	SUBROUTINE nemo_ctl
384	!!----------------------------------------------------------------------
385	!! * ROUTINE nemo_ctl *
386	!!
387	!! ** Purpose : control print setting
388	!!
389	!! ** Method : - print namctl information and check some consistencies
390	!!----------------------------------------------------------------------
391	!
392	IF(lwp) THEN ! control print
393	WRITE(numout,*)
394	WRITE(numout,*) 'nemo_ctl: Control prints'
395	WRITE(numout,*) '~~~~~~~~'
396	WRITE(numout,*) ' Namelist namctl'
397	WRITE(numout,*) ' run control (for debugging) ln_ctl = ', ln_ctl
398	WRITE(numout,*) ' finer control over o/p sn_cfctl%l_config = ', sn_cfctl%l_config
399	WRITE(numout,*) ' sn_cfctl%l_runstat = ', sn_cfctl%l_runstat
400	WRITE(numout,*) ' sn_cfctl%l_trcstat = ', sn_cfctl%l_trcstat
401	WRITE(numout,*) ' sn_cfctl%l_oceout = ', sn_cfctl%l_oceout
402	WRITE(numout,*) ' sn_cfctl%l_layout = ', sn_cfctl%l_layout
403	WRITE(numout,*) ' sn_cfctl%l_mppout = ', sn_cfctl%l_mppout
404	WRITE(numout,*) ' sn_cfctl%l_mpptop = ', sn_cfctl%l_mpptop
405	WRITE(numout,*) ' sn_cfctl%procmin = ', sn_cfctl%procmin
406	WRITE(numout,*) ' sn_cfctl%procmax = ', sn_cfctl%procmax
407	WRITE(numout,*) ' sn_cfctl%procincr = ', sn_cfctl%procincr
408	WRITE(numout,*) ' sn_cfctl%ptimincr = ', sn_cfctl%ptimincr
409	WRITE(numout,*) ' level of print nn_print = ', nn_print
410	WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls
411	WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle
412	WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls
413	WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle
414	WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt
415	WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt
416	WRITE(numout,*) ' timing by routine ln_timing = ', ln_timing
417	WRITE(numout,*) ' CFL diagnostics ln_diacfl = ', ln_diacfl
418	ENDIF
419	!
420	nprint = nn_print ! convert DOCTOR namelist names into OLD names
421	nictls = nn_ictls
422	nictle = nn_ictle
423	njctls = nn_jctls
424	njctle = nn_jctle
425	isplt = nn_isplt
426	jsplt = nn_jsplt
427
428	IF(lwp) THEN ! control print
429	WRITE(numout,*)
430	WRITE(numout,*) ' Namelist namcfg'
431	WRITE(numout,*) ' read domain configuration file ln_read_cfg = ', ln_read_cfg
432	WRITE(numout,*) ' filename to be read cn_domcfg = ', TRIM(cn_domcfg)
433	WRITE(numout,*) ' keep closed seas in the domain (if exist) ln_closea = ', ln_closea
434	WRITE(numout,*) ' create a configuration definition file ln_write_cfg = ', ln_write_cfg
435	WRITE(numout,*) ' filename to be written cn_domcfg_out = ', TRIM(cn_domcfg_out)
436	WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr
437	ENDIF
438	IF( .NOT.ln_read_cfg ) ln_closea = .false. ! dealing possible only with a domcfg file
439	!
440	! ! Parameter control
441	!
442	IF( ln_ctl ) THEN ! sub-domain area indices for the control prints
443	IF( lk_mpp .AND. jpnij > 1 ) THEN
444	isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain
445	ELSE
446	IF( isplt == 1 .AND. jsplt == 1 ) THEN
447	CALL ctl_warn( ' - isplt & jsplt are equal to 1', &
448	& ' - the print control will be done over the whole domain' )
449	ENDIF
450	ijsplt = isplt * jsplt ! total number of processors ijsplt
451	ENDIF
452	IF(lwp) WRITE(numout,*)' - The total number of processors over which the'
453	IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt
454	!
455	! ! indices used for the SUM control
456	IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area
457	lsp_area = .FALSE.
458	ELSE ! print control done over a specific area
459	lsp_area = .TRUE.
460	IF( nictls < 1 .OR. nictls > jpiglo ) THEN
461	CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' )
462	nictls = 1
463	ENDIF
464	IF( nictle < 1 .OR. nictle > jpiglo ) THEN
465	CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' )
466	nictle = jpiglo
467	ENDIF
468	IF( njctls < 1 .OR. njctls > jpjglo ) THEN
469	CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' )
470	njctls = 1
471	ENDIF
472	IF( njctle < 1 .OR. njctle > jpjglo ) THEN
473	CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' )
474	njctle = jpjglo
475	ENDIF
476	ENDIF
477	ENDIF
478	!
479	IF( 1._wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows f2003 standard.', &
480	& 'Compile with key_nosignedzero enabled:', &
481	& '--> add -Dkey_nosignedzero to the definition of %CPP in your arch file' )
482	!
483	#if defined key_agrif
484	IF( ln_timing ) CALL ctl_stop( 'AGRIF not implemented with ln_timing = true')
485	#endif
486	!
487	END SUBROUTINE nemo_ctl
488
489
490	SUBROUTINE nemo_closefile
491	!!----------------------------------------------------------------------
492	!! * ROUTINE nemo_closefile *
493	!!
494	!! ** Purpose : Close the files
495	!!----------------------------------------------------------------------
496	!
497	IF( lk_mpp ) CALL mppsync
498	!
499	CALL iom_close ! close all input/output files managed by iom_*
500	!
501	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
502	IF( numrun /= -1 ) CLOSE( numrun ) ! run statistics file
503	IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist
504	IF( lwm.AND.numoni /= -1 ) CLOSE( numoni ) ! ice output namelist
505	IF( numevo_ice /= -1 ) CLOSE( numevo_ice ) ! ice variables (temp. evolution)
506	IF( numout /= 6 ) CLOSE( numout ) ! standard model output file
507	!
508	numout = 6 ! redefine numout in case it is used after this point...
509	!
510	END SUBROUTINE nemo_closefile
511
512
513	SUBROUTINE nemo_alloc
514	!!----------------------------------------------------------------------
515	!! * ROUTINE nemo_alloc *
516	!!
517	!! ** Purpose : Allocate all the dynamic arrays of the OPA modules
518	!!
519	!! ** Method :
520	!!----------------------------------------------------------------------
521	USE diawri , ONLY : dia_wri_alloc
522	USE dom_oce , ONLY : dom_oce_alloc
523	USE bdy_oce , ONLY : ln_bdy, bdy_oce_alloc
524	USE oce ! mandatory for sea-ice because needed for bdy arrays
525	!
526	INTEGER :: ierr
527	!!----------------------------------------------------------------------
528	!
529	ierr = dia_wri_alloc()
530	ierr = ierr + dom_oce_alloc() ! ocean domain
531	ierr = ierr + oce_alloc () ! (tsn...) needed for agrif and/or SI3 and bdy
532	ierr = ierr + bdy_oce_alloc() ! bdy masks (incl. initialization)
533	!
534	CALL mpp_sum( 'nemogcm', ierr )
535	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc: unable to allocate standard ocean arrays' )
536	!
537	END SUBROUTINE nemo_alloc
538
539	SUBROUTINE nemo_set_cfctl(sn_cfctl, setto, for_all )
540	!!----------------------------------------------------------------------
541	!! * ROUTINE nemo_set_cfctl *
542	!!
543	!! ** Purpose : Set elements of the output control structure to setto.
544	!! for_all should be .false. unless all areas are to be
545	!! treated identically.
546	!!
547	!! ** Method : Note this routine can be used to switch on/off some
548	!! types of output for selected areas but any output types
549	!! that involve global communications (e.g. mpp_max, glob_sum)
550	!! should be protected from selective switching by the
551	!! for_all argument
552	!!----------------------------------------------------------------------
553	LOGICAL :: setto, for_all
554	TYPE(sn_ctl) :: sn_cfctl
555	!!----------------------------------------------------------------------
556	IF( for_all ) THEN
557	sn_cfctl%l_runstat = setto
558	sn_cfctl%l_trcstat = setto
559	ENDIF
560	sn_cfctl%l_oceout = setto
561	sn_cfctl%l_layout = setto
562	sn_cfctl%l_mppout = setto
563	sn_cfctl%l_mpptop = setto
564	END SUBROUTINE nemo_set_cfctl
565
566	!!======================================================================
567	END MODULE nemogcm
568

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