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nemogcm.F90 in NEMO/trunk/src/OFF – NEMO

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source: NEMO/trunk/src/OFF/nemogcm.F90 @ 12749

Last change on this file since 12749 was 12641, checked in by smasson, 4 years ago
trunk: numnul with Agrif, see #2430
Property svn:keywords set to `Id`
File size: 29.2 KB

Rev	Line
[2574]	1	MODULE nemogcm
	2	!!======================================================================
	3	!! * MODULE nemogcm *
	4	!! Off-line Ocean : passive tracer evolution, dynamics read in files
	5	!!======================================================================
	6	!! History : 3.3 ! 2010-05 (C. Ethe) Full reorganization of the off-line: phasing with the on-line
[7646]	7	!! 3.4 ! 2011-01 (C. Ethe, A. R. Porter, STFC Daresbury) dynamical allocation
	8	!! 4.0 ! 2016-10 (C. Ethe, G. Madec, S. Flavoni) domain configuration / user defined interface
[12377]	9	!! 4.1 ! 2019-08 (A. Coward, D. Storkey) rewrite in preparation for new timestepping scheme
[2574]	10	!!----------------------------------------------------------------------
	11
	12	!!----------------------------------------------------------------------
[9213]	13	!! nemo_gcm : off-line: solve ocean tracer only
	14	!! nemo_gcm : solve ocean dynamics, tracer, biogeochemistry and/or sea-ice
	15	!! nemo_init : initialization of the NEMO system
	16	!! nemo_ctl : initialisation of the contol print
	17	!! nemo_closefile: close remaining open files
	18	!! nemo_alloc : dynamical allocation
	19	!! istate_init : simple initialization to zero of ocean fields
	20	!! stp_ctl : reduced step control (no dynamics in off-line)
[2574]	21	!!----------------------------------------------------------------------
[9213]	22	USE dom_oce ! ocean space domain variables
	23	USE oce ! dynamics and tracers variables
	24	USE trc_oce ! Shared ocean/passive tracers variables
	25	USE c1d ! 1D configuration
	26	USE domain ! domain initialization from coordinate & bathymetry (dom_init routine)
	27	USE closea ! treatment of closed seas (for ln_closea)
	28	USE usrdef_nam ! user defined configuration
	29	USE eosbn2 ! equation of state (eos bn2 routine)
[2574]	30	! ! ocean physics
[9213]	31	USE ldftra ! lateral diffusivity setting (ldf_tra_init routine)
	32	USE ldfslp ! slopes of neutral surfaces (ldf_slp_init routine)
[9751]	33	USE traqsr ! solar radiation penetration (tra_qsr_init routine)
[9213]	34	USE trabbl ! bottom boundary layer (tra_bbl_init routine)
	35	USE traldf ! lateral physics (tra_ldf_init routine)
	36	USE sbcmod ! surface boundary condition (sbc_init routine)
	37	USE phycst ! physical constant (par_cst routine)
	38	USE dtadyn ! Lecture and Interpolation of the dynamical fields
	39	USE trcini ! Initilization of the passive tracers
	40	USE daymod ! calendar (day routine)
	41	USE trcstp ! passive tracer time-stepping (trc_stp routine)
	42	USE dtadyn ! Lecture and interpolation of the dynamical fields
[7646]	43	! ! Passive tracers needs
[9213]	44	USE trc ! passive tracer : variables
	45	USE trcnam ! passive tracer : namelist
	46	USE trcrst ! passive tracer restart
	47	USE diaptr ! Need to initialise this as some variables are used in if statements later
	48	USE sbc_oce , ONLY : ln_rnf
	49	USE sbcrnf ! surface boundary condition : runoffs
[2574]	50	! ! I/O & MPP
[9213]	51	USE iom ! I/O library
	52	USE in_out_manager ! I/O manager
	53	USE mppini ! shared/distributed memory setting (mpp_init routine)
	54	USE lib_mpp ! distributed memory computing
[2574]	55	#if defined key_iomput
[9213]	56	USE xios ! xIOserver
[2574]	57	#endif
[9213]	58	USE prtctl ! Print control (prt_ctl_init routine)
	59	USE timing ! Timing
	60	USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined)
	61	USE lbcnfd , ONLY : isendto, nsndto, nfsloop, nfeloop ! Setup of north fold exchanges
[12377]	62	USE step, ONLY : Nbb, Nnn, Naa, Nrhs ! time level indices
[2574]	63
	64	IMPLICIT NONE
	65	PRIVATE
	66
	67	PUBLIC nemo_gcm ! called by nemo.F90
	68
	69	CHARACTER (len=64) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
	70
	71	!!----------------------------------------------------------------------
[9213]	72	!! NEMO/OFF 4.0 , NEMO Consortium (2018)
[5215]	73	!! $Id$
[10068]	74	!! Software governed by the CeCILL license (see ./LICENSE)
[2574]	75	!!----------------------------------------------------------------------
	76	CONTAINS
	77
	78	SUBROUTINE nemo_gcm
	79	!!----------------------------------------------------------------------
	80	!! * ROUTINE nemo_gcm *
	81	!!
[9213]	82	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
	83	!! curvilinear mesh on the sphere.
[2574]	84	!!
	85	!! ** Method : - model general initialization
	86	!! - launch the time-stepping (dta_dyn and trc_stp)
	87	!! - finalize the run by closing files and communications
	88	!!
	89	!! References : Madec, Delecluse,Imbard, and Levy, 1997: internal report, IPSL.
	90	!! Madec, 2008, internal report, IPSL.
	91	!!----------------------------------------------------------------------
	92	INTEGER :: istp, indic ! time step index
	93	!!----------------------------------------------------------------------
	94
	95	CALL nemo_init ! Initializations
	96
	97	! check that all process are still there... If some process have an error,
	98	! they will never enter in step and other processes will wait until the end of the cpu time!
[10425]	99	CALL mpp_max( 'nemogcm', nstop )
[2574]	100
	101	! !-----------------------!
	102	! !== time stepping ==!
	103	! !-----------------------!
	104	istp = nit000
[6140]	105	!
[9213]	106	IF( ln_rnf ) CALL sbc_rnf(istp) ! runoffs initialization
[3827]	107	!
[9213]	108	CALL iom_init( cxios_context ) ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS)
[3827]	109	!
[9213]	110	DO WHILE ( istp <= nitend .AND. nstop == 0 ) !== OFF time-stepping ==!
[2574]	111	!
[7646]	112	IF( istp /= nit000 ) CALL day ( istp ) ! Calendar (day was already called at nit000 in day_init)
[9539]	113	CALL iom_setkt ( istp - nit000 + 1, cxios_context ) ! say to iom that we are at time step kstp
[10222]	114	#if defined key_sed_off
[12377]	115	CALL dta_dyn_sed( istp, Nnn ) ! Interpolation of the dynamical fields
[10222]	116	#else
[12377]	117	CALL dta_dyn ( istp, Nbb, Nnn, Naa ) ! Interpolation of the dynamical fields
[12026]	118	#endif
[12377]	119	CALL trc_stp ( istp, Nbb, Nnn, Nrhs, Naa ) ! time-stepping
[12026]	120	#if ! defined key_sed_off
[12377]	121	IF( .NOT.ln_linssh ) CALL dta_dyn_atf( istp, Nbb, Nnn, Naa ) ! time filter of sea surface height and vertical scale factors
[10222]	122	#endif
[12377]	123	! Swap time levels
	124	Nrhs = Nbb
	125	Nbb = Nnn
	126	Nnn = Naa
	127	Naa = Nrhs
	128	!
	129	#if ! defined key_sed_off
	130	IF( .NOT.ln_linssh ) CALL dta_dyn_sf_interp( istp, Nnn ) ! calculate now grid parameters
	131	#endif
[7646]	132	CALL stp_ctl ( istp, indic ) ! Time loop: control and print
[2574]	133	istp = istp + 1
	134	END DO
[9213]	135	!
[3769]	136	#if defined key_iomput
[5504]	137	CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF
[3769]	138	#endif
[2574]	139
	140	! !------------------------!
	141	! !== finalize the run ==!
	142	! !------------------------!
	143	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	144
	145	IF( nstop /= 0 .AND. lwp ) THEN ! error print
[11536]	146	WRITE(ctmp1,*) ' ==>>> nemo_gcm: a total of ', nstop, ' errors have been found'
	147	CALL ctl_stop( ctmp1 )
[2574]	148	ENDIF
	149	!
[9124]	150	IF( ln_timing ) CALL timing_finalize
[3294]	151	!
[2574]	152	CALL nemo_closefile
	153	!
[9213]	154	#if defined key_iomput
	155	CALL xios_finalize ! end mpp communications with xios
	156	#else
	157	IF( lk_mpp ) CALL mppstop ! end mpp communications
	158	#endif
[2574]	159	!
[11536]	160	IF(lwm) THEN
	161	IF( nstop == 0 ) THEN ; STOP 0
	162	ELSE ; STOP 123
	163	ENDIF
	164	ENDIF
	165	!
[2574]	166	END SUBROUTINE nemo_gcm
	167
	168
	169	SUBROUTINE nemo_init
	170	!!----------------------------------------------------------------------
[9213]	171	!! * ROUTINE nemo_init *
[2574]	172	!!
	173	!! ** Purpose : initialization of the nemo model in off-line mode
	174	!!----------------------------------------------------------------------
[11536]	175	INTEGER :: ios, ilocal_comm ! local integers
[2574]	176	!!
[12377]	177	NAMELIST/namctl/ sn_cfctl, nn_print, nn_ictls, nn_ictle, &
[10570]	178	& nn_isplt , nn_jsplt, nn_jctls, nn_jctle, &
[9019]	179	& ln_timing, ln_diacfl
[9213]	180	NAMELIST/namcfg/ ln_read_cfg, cn_domcfg, ln_closea, ln_write_cfg, cn_domcfg_out, ln_use_jattr
[2574]	181	!!----------------------------------------------------------------------
[9213]	182	!
[5407]	183	cxios_context = 'nemo'
[3716]	184	!
[11536]	185	! !-------------------------------------------------!
	186	! ! set communicator & select the local rank !
	187	! ! must be done as soon as possible to get narea !
	188	! !-------------------------------------------------!
[2574]	189	!
[11536]	190	#if defined key_iomput
	191	CALL xios_initialize( "for_xios_mpi_id", return_comm=ilocal_comm ) ! nemo local communicator given by xios
	192	CALL mpp_start( ilocal_comm )
	193	#else
	194	CALL mpp_start( )
	195	#endif
	196	!
	197	narea = mpprank + 1 ! mpprank: the rank of proc (0 --> mppsize -1 )
	198	lwm = (narea == 1) ! control of output namelists
	199	!
	200	! !---------------------------------------------------------------!
	201	! ! Open output files, reference and configuration namelist files !
	202	! !---------------------------------------------------------------!
	203	!
	204	! open ocean.output as soon as possible to get all output prints (including errors messages)
	205	IF( lwm ) CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	206	! open reference and configuration namelist files
[12377]	207	CALL load_nml( numnam_ref, 'namelist_ref', -1, lwm )
	208	CALL load_nml( numnam_cfg, 'namelist_cfg', -1, lwm )
[11536]	209	IF( lwm ) CALL ctl_opn( numond, 'output.namelist.dyn', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	210	! open /dev/null file to be able to supress output write easily
[12641]	211	IF( Agrif_Root() ) THEN
[11536]	212	CALL ctl_opn( numnul, '/dev/null', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
[12641]	213	#ifdef key_agrif
	214	ELSE
	215	numnul = Agrif_Parent(numnul)
	216	#endif
	217	ENDIF
[11536]	218	!
	219	! !--------------------!
[12377]	220	! ! Open listing units ! -> need sn_cfctl from namctl to define lwp
[11536]	221	! !--------------------!
	222	!
[4147]	223	READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 )
[11536]	224	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist' )
[4147]	225	READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 )
[11536]	226	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist' )
[4147]	227	!
[12377]	228	! finalize the definition of namctl variables
	229	IF( sn_cfctl%l_allon ) THEN
	230	! Turn on all options.
	231	CALL nemo_set_cfctl( sn_cfctl, .TRUE., .TRUE. )
	232	! Ensure all processors are active
	233	sn_cfctl%procmin = 0 ; sn_cfctl%procmax = 1000000 ; sn_cfctl%procincr = 1
	234	ELSEIF( sn_cfctl%l_config ) THEN
	235	! Activate finer control of report outputs
	236	! optionally switch off output from selected areas (note this only
	237	! applies to output which does not involve global communications)
	238	IF( ( narea < sn_cfctl%procmin .OR. narea > sn_cfctl%procmax ) .OR. &
	239	& ( MOD( narea - sn_cfctl%procmin, sn_cfctl%procincr ) /= 0 ) ) &
	240	& CALL nemo_set_cfctl( sn_cfctl, .FALSE., .FALSE. )
	241	ELSE
	242	! turn off all options.
	243	CALL nemo_set_cfctl( sn_cfctl, .FALSE., .TRUE. )
	244	ENDIF
[7646]	245	!
[12377]	246	lwp = (narea == 1) .OR. sn_cfctl%l_oceout ! control of all listing output print
	247	!
[2574]	248	IF(lwp) THEN ! open listing units
	249	!
[11536]	250	IF( .NOT. lwm ) & ! alreay opened for narea == 1
	251	& CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE., narea )
[2574]	252	!
	253	WRITE(numout,*)
[11536]	254	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - CMCC'
[2574]	255	WRITE(numout,*) ' NEMO team'
[9213]	256	WRITE(numout,*) ' Off-line TOP Model'
[10570]	257	WRITE(numout,*) ' NEMO version 4.0 (2019) '
[2574]	258	WRITE(numout,*)
[10570]	259	WRITE(numout,*) " ._ ._ ._ ._ ._ "
	260	WRITE(numout,*) " _.-._)`\_.-._)`\_.-._)`\_.-._)`\_.-._)`\_ "
[2574]	261	WRITE(numout,*)
[10570]	262	WRITE(numout,*) " o _, _, "
	263	WRITE(numout,*) " o .' ( .-' / "
	264	WRITE(numout,*) " o _/..._'. .' / "
	265	WRITE(numout,*) " ( o .-'` ` '-./ _.' "
	266	WRITE(numout,*) " ) ( o) ;= <_ ( "
	267	WRITE(numout,*) " ( '-.,\\__ __.-;`\ '. ) "
	268	WRITE(numout,*) " ) ) \) \|`\ \) '. \ ( ( "
	269	WRITE(numout,*) " ( ( \_/ '-._\ ) ) "
	270	WRITE(numout,*) " ) ) ` ( ( "
	271	WRITE(numout,*) " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ "
	272	WRITE(numout,*)
[2574]	273	!
[9213]	274	WRITE(numout,cform_aaa) ! Flag AAAAAAA
	275	!
[2574]	276	ENDIF
[10457]	277	!
[11536]	278	IF(lwm) WRITE( numond, namctl )
	279	!
	280	! !------------------------------------!
	281	! ! Set global domain size parameters !
	282	! !------------------------------------!
	283	!
	284	READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 )
	285	903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist' )
	286	READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 )
	287	904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist' )
	288	!
	289	IF( ln_read_cfg ) THEN ! Read sizes in domain configuration file
	290	CALL domain_cfg ( cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio )
	291	ELSE ! user-defined namelist
	292	CALL usr_def_nam( cn_cfg, nn_cfg, jpiglo, jpjglo, jpkglo, jperio )
	293	ENDIF
	294	!
	295	IF(lwm) WRITE( numond, namcfg )
	296	l_offline = .true. ! passive tracers are run offline
	297	!
	298	! !-----------------------------------------!
	299	! ! mpp parameters and domain decomposition !
	300	! !-----------------------------------------!
	301	!
	302	CALL mpp_init
[2715]	303
[9213]	304	! Now we know the dimensions of the grid and numout has been set: we can allocate arrays
[2715]	305	CALL nemo_alloc()
	306
[12377]	307	! Initialise time level indices
	308	Nbb = 1; Nnn = 2; Naa = 3; Nrhs = Naa
	309
	310
[9213]	311	! !-------------------------------!
	312	! ! NEMO general initialization !
	313	! !-------------------------------!
[2574]	314
[9213]	315	CALL nemo_ctl ! Control prints
[2574]	316	!
[9213]	317	! ! General initialization
[9019]	318	IF( ln_timing ) CALL timing_init
	319	IF( ln_timing ) CALL timing_start( 'nemo_init')
[3294]	320	!
[9367]	321	CALL phy_cst ! Physical constants
	322	CALL eos_init ! Equation of state
	323	IF( lk_c1d ) CALL c1d_init ! 1D column configuration
[12377]	324	CALL dom_init( Nbb, Nnn, Naa, "OPA") ! Domain
	325	IF( sn_cfctl%l_prtctl ) &
	326	& CALL prt_ctl_init ! Print control
[7646]	327
[12377]	328	CALL istate_init( Nnn, Naa ) ! ocean initial state (Dynamics and tracers)
[7646]	329
[12377]	330	CALL sbc_init( Nbb, Nnn, Naa ) ! Forcings : surface module
[2574]	331
[9213]	332	! ! Tracer physics
	333	CALL ldf_tra_init ! Lateral ocean tracer physics
	334	CALL ldf_eiv_init ! Eddy induced velocity param
	335	CALL tra_ldf_init ! lateral mixing
	336	IF( l_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing
[9751]	337	IF( ln_traqsr ) CALL tra_qsr_init ! penetrative solar radiation
[9213]	338	IF( ln_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme
[2715]	339
[9213]	340	! ! Passive tracers
[9019]	341	CALL trc_nam_run ! Needed to get restart parameters for passive tracers
	342	CALL trc_rst_cal( nit000, 'READ' ) ! calendar
[10222]	343	#if defined key_sed_off
[12377]	344	CALL dta_dyn_sed_init( Nnn ) ! Initialization for the dynamics
[10222]	345	#else
[12377]	346	CALL dta_dyn_init( Nbb, Nnn, Naa ) ! Initialization for the dynamics
[10222]	347	#endif
[2574]	348
[12377]	349	CALL trc_init( Nbb, Nnn, Naa ) ! Passive tracers initialization
[9213]	350	CALL dia_ptr_init ! Poleward TRansports initialization
	351
[5504]	352	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
[4749]	353	!
[9019]	354	IF( ln_timing ) CALL timing_stop( 'nemo_init')
[3294]	355	!
[2574]	356	END SUBROUTINE nemo_init
	357
	358
	359	SUBROUTINE nemo_ctl
	360	!!----------------------------------------------------------------------
	361	!! * ROUTINE nemo_ctl *
	362	!!
[7646]	363	!! ** Purpose : control print setting
[2574]	364	!!
[12377]	365	!! ** Method : - print namctl and namcfg information and check some consistencies
[2574]	366	!!----------------------------------------------------------------------
	367	!
[7646]	368	IF(lwp) THEN ! control print
[2574]	369	WRITE(numout,*)
[7646]	370	WRITE(numout,*) 'nemo_ctl: Control prints'
[9213]	371	WRITE(numout,*) '~~~~~~~~'
[2574]	372	WRITE(numout,*) ' Namelist namctl'
[12377]	373	WRITE(numout,*) ' sn_cfctl%l_glochk = ', sn_cfctl%l_glochk
	374	WRITE(numout,*) ' sn_cfctl%l_allon = ', sn_cfctl%l_allon
[10570]	375	WRITE(numout,*) ' finer control over o/p sn_cfctl%l_config = ', sn_cfctl%l_config
	376	WRITE(numout,*) ' sn_cfctl%l_runstat = ', sn_cfctl%l_runstat
	377	WRITE(numout,*) ' sn_cfctl%l_trcstat = ', sn_cfctl%l_trcstat
	378	WRITE(numout,*) ' sn_cfctl%l_oceout = ', sn_cfctl%l_oceout
	379	WRITE(numout,*) ' sn_cfctl%l_layout = ', sn_cfctl%l_layout
[12377]	380	WRITE(numout,*) ' sn_cfctl%l_prtctl = ', sn_cfctl%l_prtctl
	381	WRITE(numout,*) ' sn_cfctl%l_prttrc = ', sn_cfctl%l_prttrc
	382	WRITE(numout,*) ' sn_cfctl%l_oasout = ', sn_cfctl%l_oasout
[10570]	383	WRITE(numout,*) ' sn_cfctl%procmin = ', sn_cfctl%procmin
	384	WRITE(numout,*) ' sn_cfctl%procmax = ', sn_cfctl%procmax
	385	WRITE(numout,*) ' sn_cfctl%procincr = ', sn_cfctl%procincr
	386	WRITE(numout,*) ' sn_cfctl%ptimincr = ', sn_cfctl%ptimincr
[2574]	387	WRITE(numout,*) ' level of print nn_print = ', nn_print
	388	WRITE(numout,*) ' Start i indice for SUM control nn_ictls = ', nn_ictls
	389	WRITE(numout,*) ' End i indice for SUM control nn_ictle = ', nn_ictle
	390	WRITE(numout,*) ' Start j indice for SUM control nn_jctls = ', nn_jctls
	391	WRITE(numout,*) ' End j indice for SUM control nn_jctle = ', nn_jctle
	392	WRITE(numout,*) ' number of proc. following i nn_isplt = ', nn_isplt
	393	WRITE(numout,*) ' number of proc. following j nn_jsplt = ', nn_jsplt
[9019]	394	WRITE(numout,*) ' timing by routine ln_timing = ', ln_timing
	395	WRITE(numout,*) ' CFL diagnostics ln_diacfl = ', ln_diacfl
[2574]	396	ENDIF
	397	!
	398	nprint = nn_print ! convert DOCTOR namelist names into OLD names
	399	nictls = nn_ictls
	400	nictle = nn_ictle
	401	njctls = nn_jctls
	402	njctle = nn_jctle
	403	isplt = nn_isplt
	404	jsplt = nn_jsplt
[7646]	405
	406	IF(lwp) THEN ! control print
[4147]	407	WRITE(numout,*)
	408	WRITE(numout,*) ' Namelist namcfg'
[9213]	409	WRITE(numout,*) ' read domain configuration file ln_read_cfg = ', ln_read_cfg
[7646]	410	WRITE(numout,*) ' filename to be read cn_domcfg = ', TRIM(cn_domcfg)
[9436]	411	WRITE(numout,*) ' keep closed seas in the domain (if exist) ln_closea = ', ln_closea
[9213]	412	WRITE(numout,*) ' create a configuration definition file ln_write_cfg = ', ln_write_cfg
[7646]	413	WRITE(numout,*) ' filename to be written cn_domcfg_out = ', TRIM(cn_domcfg_out)
	414	WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr
[4147]	415	ENDIF
[9213]	416	IF( .NOT.ln_read_cfg ) ln_closea = .false. ! dealing possible only with a domcfg file
	417	!
[2574]	418	! ! Parameter control
	419	!
[12377]	420	IF( sn_cfctl%l_prtctl .OR. sn_cfctl%l_prttrc ) THEN ! sub-domain area indices for the control prints
[7646]	421	IF( lk_mpp .AND. jpnij > 1 ) THEN
	422	isplt = jpni ; jsplt = jpnj ; ijsplt = jpni*jpnj ! the domain is forced to the real split domain
[2574]	423	ELSE
	424	IF( isplt == 1 .AND. jsplt == 1 ) THEN
	425	CALL ctl_warn( ' - isplt & jsplt are equal to 1', &
	426	& ' - the print control will be done over the whole domain' )
	427	ENDIF
	428	ijsplt = isplt * jsplt ! total number of processors ijsplt
	429	ENDIF
	430	IF(lwp) WRITE(numout,*)' - The total number of processors over which the'
	431	IF(lwp) WRITE(numout,*)' print control will be done is ijsplt : ', ijsplt
	432	!
	433	! ! indices used for the SUM control
	434	IF( nictls+nictle+njctls+njctle == 0 ) THEN ! print control done over the default area
	435	lsp_area = .FALSE.
	436	ELSE ! print control done over a specific area
	437	lsp_area = .TRUE.
	438	IF( nictls < 1 .OR. nictls > jpiglo ) THEN
	439	CALL ctl_warn( ' - nictls must be 1<=nictls>=jpiglo, it is forced to 1' )
	440	nictls = 1
	441	ENDIF
	442	IF( nictle < 1 .OR. nictle > jpiglo ) THEN
	443	CALL ctl_warn( ' - nictle must be 1<=nictle>=jpiglo, it is forced to jpiglo' )
	444	nictle = jpiglo
	445	ENDIF
	446	IF( njctls < 1 .OR. njctls > jpjglo ) THEN
	447	CALL ctl_warn( ' - njctls must be 1<=njctls>=jpjglo, it is forced to 1' )
	448	njctls = 1
	449	ENDIF
	450	IF( njctle < 1 .OR. njctle > jpjglo ) THEN
	451	CALL ctl_warn( ' - njctle must be 1<=njctle>=jpjglo, it is forced to jpjglo' )
	452	njctle = jpjglo
	453	ENDIF
	454	ENDIF
	455	ENDIF
	456	!
[9213]	457	IF( 1._wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows f2003 standard.', &
	458	& 'Compile with key_nosignedzero enabled' )
[3764]	459	!
[2574]	460	END SUBROUTINE nemo_ctl
	461
	462
	463	SUBROUTINE nemo_closefile
	464	!!----------------------------------------------------------------------
	465	!! * ROUTINE nemo_closefile *
	466	!!
	467	!! ** Purpose : Close the files
	468	!!----------------------------------------------------------------------
	469	!
[9213]	470	IF( lk_mpp ) CALL mppsync
[2574]	471	!
	472	CALL iom_close ! close all input/output files managed by iom_*
	473	!
	474	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
[7646]	475	IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist
[9213]	476	!
[2574]	477	numout = 6 ! redefine numout in case it is used after this point...
	478	!
	479	END SUBROUTINE nemo_closefile
	480
[2715]	481
	482	SUBROUTINE nemo_alloc
	483	!!----------------------------------------------------------------------
	484	!! * ROUTINE nemo_alloc *
	485	!!
	486	!! ** Purpose : Allocate all the dynamic arrays of the OPA modules
	487	!!
	488	!! ** Method :
	489	!!----------------------------------------------------------------------
[9213]	490	USE diawri , ONLY : dia_wri_alloc
	491	USE dom_oce, ONLY : dom_oce_alloc
	492	USE zdf_oce, ONLY : zdf_oce_alloc
	493	USE trc_oce, ONLY : trc_oce_alloc
[2715]	494	!
	495	INTEGER :: ierr
	496	!!----------------------------------------------------------------------
	497	!
[9213]	498	ierr = oce_alloc () ! ocean
	499	ierr = ierr + dia_wri_alloc()
	500	ierr = ierr + dom_oce_alloc() ! ocean domain
	501	ierr = ierr + zdf_oce_alloc() ! ocean vertical physics
	502	ierr = ierr + trc_oce_alloc() ! shared TRC / TRA arrays
[2715]	503	!
[10425]	504	CALL mpp_sum( 'nemogcm', ierr )
[2715]	505	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc: unable to allocate standard ocean arrays' )
	506	!
	507	END SUBROUTINE nemo_alloc
	508
[10570]	509	SUBROUTINE nemo_set_cfctl(sn_cfctl, setto, for_all )
	510	!!----------------------------------------------------------------------
	511	!! * ROUTINE nemo_set_cfctl *
	512	!!
	513	!! ** Purpose : Set elements of the output control structure to setto.
	514	!! for_all should be .false. unless all areas are to be
	515	!! treated identically.
	516	!!
	517	!! ** Method : Note this routine can be used to switch on/off some
	518	!! types of output for selected areas but any output types
	519	!! that involve global communications (e.g. mpp_max, glob_sum)
	520	!! should be protected from selective switching by the
	521	!! for_all argument
	522	!!----------------------------------------------------------------------
	523	LOGICAL :: setto, for_all
[10601]	524	TYPE(sn_ctl) :: sn_cfctl
[10570]	525	!!----------------------------------------------------------------------
	526	IF( for_all ) THEN
	527	sn_cfctl%l_runstat = setto
	528	sn_cfctl%l_trcstat = setto
	529	ENDIF
	530	sn_cfctl%l_oceout = setto
	531	sn_cfctl%l_layout = setto
[12377]	532	sn_cfctl%l_prtctl = setto
	533	sn_cfctl%l_prttrc = setto
	534	sn_cfctl%l_oasout = setto
[10570]	535	END SUBROUTINE nemo_set_cfctl
	536
[12377]	537	SUBROUTINE istate_init( Kmm, Kaa )
[5504]	538	!!----------------------------------------------------------------------
	539	!! * ROUTINE istate_init *
	540	!!
	541	!! ** Purpose : Initialization to zero of the dynamics and tracers.
	542	!!----------------------------------------------------------------------
[12377]	543	INTEGER, INTENT(in) :: Kmm, Kaa ! ocean time level indices
[5504]	544	!
	545	! now fields ! after fields !
[12377]	546	uu (:,:,:,Kmm) = 0._wp ; uu(:,:,:,Kaa) = 0._wp !
	547	vv (:,:,:,Kmm) = 0._wp ; vv(:,:,:,Kaa) = 0._wp !
	548	ww (:,:,:) = 0._wp ! !
	549	hdiv (:,:,:) = 0._wp ! !
	550	ts (:,:,:,:,Kmm) = 0._wp ! !
[5504]	551	!
	552	rhd (:,:,:) = 0.e0
	553	rhop (:,:,:) = 0.e0
	554	rn2 (:,:,:) = 0.e0
	555	!
	556	END SUBROUTINE istate_init
	557
[9213]	558
[5504]	559	SUBROUTINE stp_ctl( kt, kindic )
	560	!!----------------------------------------------------------------------
	561	!! * ROUTINE stp_ctl *
	562	!!
	563	!! ** Purpose : Control the run
	564	!!
	565	!! ** Method : - Save the time step in numstp
	566	!!
	567	!! ** Actions : 'time.step' file containing the last ocean time-step
	568	!!----------------------------------------------------------------------
	569	INTEGER, INTENT(in ) :: kt ! ocean time-step index
	570	INTEGER, INTENT(inout) :: kindic ! indicator of solver convergence
	571	!!----------------------------------------------------------------------
	572	!
[10425]	573	IF( kt == nit000 .AND. lwm ) THEN
[5504]	574	WRITE(numout,*)
	575	WRITE(numout,*) 'stp_ctl : time-stepping control'
	576	WRITE(numout,*) '~~~~~~~'
	577	! open time.step file
	578	CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea )
	579	ENDIF
	580	!
[10425]	581	IF(lwm) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp
	582	IF(lwm) REWIND( numstp ) ! --------------------------
[5504]	583	!
	584	END SUBROUTINE stp_ctl
[2574]	585	!!======================================================================
	586	END MODULE nemogcm

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