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

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source: NEMO/trunk/src/OFF/nemogcm.F90 @ 14255

Last change on this file since 14255 was 14255, checked in by cetlod, 3 years ago
trunk : consolidation of OFFLINE with key_qco ; use the ORCA2_OFF_TRC configuration for that purpose
Property svn:keywords set to `Id`
File size: 26.4 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)
[13237]	30	#if defined key_qco
	31	USE domqco ! tools for scale factor (dom_qco_r3c routine)
	32	#endif
[13286]	33	USE bdyini ! open boundary cond. setting (bdy_init routine)
[2574]	34	! ! ocean physics
[9213]	35	USE ldftra ! lateral diffusivity setting (ldf_tra_init routine)
	36	USE ldfslp ! slopes of neutral surfaces (ldf_slp_init routine)
[9751]	37	USE traqsr ! solar radiation penetration (tra_qsr_init routine)
[9213]	38	USE trabbl ! bottom boundary layer (tra_bbl_init routine)
	39	USE traldf ! lateral physics (tra_ldf_init routine)
	40	USE sbcmod ! surface boundary condition (sbc_init routine)
	41	USE phycst ! physical constant (par_cst routine)
[13558]	42	USE zdfphy ! vertical physics manager (zdf_phy_init routine)
[9213]	43	USE dtadyn ! Lecture and Interpolation of the dynamical fields
	44	USE trcini ! Initilization of the passive tracers
	45	USE daymod ! calendar (day routine)
	46	USE trcstp ! passive tracer time-stepping (trc_stp routine)
	47	USE dtadyn ! Lecture and interpolation of the dynamical fields
[7646]	48	! ! Passive tracers needs
[9213]	49	USE trc ! passive tracer : variables
	50	USE trcnam ! passive tracer : namelist
	51	USE trcrst ! passive tracer restart
	52	USE sbc_oce , ONLY : ln_rnf
	53	USE sbcrnf ! surface boundary condition : runoffs
[2574]	54	! ! I/O & MPP
[9213]	55	USE iom ! I/O library
	56	USE in_out_manager ! I/O manager
	57	USE mppini ! shared/distributed memory setting (mpp_init routine)
	58	USE lib_mpp ! distributed memory computing
[14239]	59	#if defined key_xios
[9213]	60	USE xios ! xIOserver
[2574]	61	#endif
[9213]	62	USE prtctl ! Print control (prt_ctl_init routine)
	63	USE timing ! Timing
	64	USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined)
[13286]	65	USE lbcnfd , ONLY : isendto, nsndto ! Setup of north fold exchanges
[14053]	66	#if defined key_qco
	67	USE stpmlf , ONLY : Nbb, Nnn, Naa, Nrhs ! time level indices
	68	#else
	69	USE step , ONLY : Nbb, Nnn, Naa, Nrhs ! time level indices
	70	#endif
[13286]	71	USE halo_mng
[2574]	72
	73	IMPLICIT NONE
	74	PRIVATE
	75
	76	PUBLIC nemo_gcm ! called by nemo.F90
	77
	78	CHARACTER (len=64) :: cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing
[14229]	79	#if ! defined key_mpi_off
[13555]	80	! need MPI_Wtime
	81	INCLUDE 'mpif.h'
	82	#endif
[2574]	83
	84	!!----------------------------------------------------------------------
[9213]	85	!! NEMO/OFF 4.0 , NEMO Consortium (2018)
[5215]	86	!! $Id$
[10068]	87	!! Software governed by the CeCILL license (see ./LICENSE)
[2574]	88	!!----------------------------------------------------------------------
	89	CONTAINS
	90
	91	SUBROUTINE nemo_gcm
	92	!!----------------------------------------------------------------------
	93	!! * ROUTINE nemo_gcm *
	94	!!
[9213]	95	!! ** Purpose : NEMO solves the primitive equations on an orthogonal
	96	!! curvilinear mesh on the sphere.
[2574]	97	!!
	98	!! ** Method : - model general initialization
	99	!! - launch the time-stepping (dta_dyn and trc_stp)
	100	!! - finalize the run by closing files and communications
	101	!!
	102	!! References : Madec, Delecluse,Imbard, and Levy, 1997: internal report, IPSL.
	103	!! Madec, 2008, internal report, IPSL.
	104	!!----------------------------------------------------------------------
[12933]	105	INTEGER :: istp ! time step index
[13555]	106	REAL(wp):: zstptiming ! elapsed time for 1 time step
[2574]	107	!!----------------------------------------------------------------------
	108
	109	CALL nemo_init ! Initializations
	110
	111	! check that all process are still there... If some process have an error,
	112	! they will never enter in step and other processes will wait until the end of the cpu time!
[10425]	113	CALL mpp_max( 'nemogcm', nstop )
[2574]	114
	115	! !-----------------------!
	116	! !== time stepping ==!
	117	! !-----------------------!
	118	istp = nit000
[6140]	119	!
[9213]	120	IF( ln_rnf ) CALL sbc_rnf(istp) ! runoffs initialization
[3827]	121	!
[9213]	122	CALL iom_init( cxios_context ) ! iom_put initialization (must be done after nemo_init for AGRIF+XIOS+OASIS)
[3827]	123	!
[9213]	124	DO WHILE ( istp <= nitend .AND. nstop == 0 ) !== OFF time-stepping ==!
[13555]	125
	126	IF( ln_timing ) THEN
	127	zstptiming = MPI_Wtime()
	128	IF ( istp == ( nit000 + 1 ) ) elapsed_time = zstptiming
	129	IF ( istp == nitend ) elapsed_time = zstptiming - elapsed_time
	130	ENDIF
[2574]	131	!
[13970]	132	IF((istp == nitrst) .AND. lwxios) THEN
	133	CALL iom_swap( cw_toprst_cxt )
	134	CALL iom_init_closedef(cw_toprst_cxt)
	135	CALL iom_setkt( istp - nit000 + 1, cw_toprst_cxt )
	136	ENDIF
	137
[7646]	138	IF( istp /= nit000 ) CALL day ( istp ) ! Calendar (day was already called at nit000 in day_init)
[9539]	139	CALL iom_setkt ( istp - nit000 + 1, cxios_context ) ! say to iom that we are at time step kstp
[14255]	140	#if ! defined key_sed_off
[12377]	141	CALL dta_dyn ( istp, Nbb, Nnn, Naa ) ! Interpolation of the dynamical fields
[13237]	142	IF( .NOT.ln_linssh ) THEN
	143	CALL dta_dyn_atf( istp, Nbb, Nnn, Naa ) ! time filter of sea surface height and vertical scale factors
	144	# if defined key_qco
[14053]	145	CALL dom_qco_r3c( ssh(:,:,Nnn), r3t_f, r3u_f, r3v_f )
[13237]	146	# endif
	147	ENDIF
[12377]	148	CALL trc_stp ( istp, Nbb, Nnn, Nrhs, Naa ) ! time-stepping
	149	! Swap time levels
	150	Nrhs = Nbb
[14255]	151	Nbb = Nnn
	152	Nnn = Naa
	153	Naa = Nrhs
[12377]	154	!
[13237]	155	#if ! defined key_qco
[12377]	156	IF( .NOT.ln_linssh ) CALL dta_dyn_sf_interp( istp, Nnn ) ! calculate now grid parameters
[14255]	157	#endif
	158
	159	#else
	160	CALL dta_dyn_sed( istp, Nnn ) ! Interpolation of the dynamical fields
	161
	162	#endif
[13555]	163	CALL stp_ctl ( istp ) ! Time loop: control and print
[2574]	164	istp = istp + 1
[13555]	165
	166	IF( lwp .AND. ln_timing ) WRITE(numtime,*) 'timing step ', istp-1, ' : ', MPI_Wtime() - zstptiming
	167
[2574]	168	END DO
[9213]	169	!
[14239]	170	#if defined key_xios
[5504]	171	CALL iom_context_finalize( cxios_context ) ! needed for XIOS+AGRIF
[3769]	172	#endif
[2574]	173
	174	! !------------------------!
	175	! !== finalize the run ==!
	176	! !------------------------!
	177	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
	178
	179	IF( nstop /= 0 .AND. lwp ) THEN ! error print
[11536]	180	WRITE(ctmp1,*) ' ==>>> nemo_gcm: a total of ', nstop, ' errors have been found'
[13011]	181	WRITE(ctmp2,) ' Look for "E R R O R" messages in all existing ocean_output files'
	182	CALL ctl_stop( ' ', ctmp1, ' ', ctmp2 )
[2574]	183	ENDIF
	184	!
[9124]	185	IF( ln_timing ) CALL timing_finalize
[3294]	186	!
[2574]	187	CALL nemo_closefile
	188	!
[14239]	189	#if defined key_xios
[9213]	190	CALL xios_finalize ! end mpp communications with xios
	191	#else
	192	IF( lk_mpp ) CALL mppstop ! end mpp communications
	193	#endif
[2574]	194	!
[11536]	195	IF(lwm) THEN
	196	IF( nstop == 0 ) THEN ; STOP 0
	197	ELSE ; STOP 123
	198	ENDIF
	199	ENDIF
	200	!
[2574]	201	END SUBROUTINE nemo_gcm
	202
	203
	204	SUBROUTINE nemo_init
	205	!!----------------------------------------------------------------------
[9213]	206	!! * ROUTINE nemo_init *
[2574]	207	!!
	208	!! ** Purpose : initialization of the nemo model in off-line mode
	209	!!----------------------------------------------------------------------
[11536]	210	INTEGER :: ios, ilocal_comm ! local integers
[2574]	211	!!
[13286]	212	NAMELIST/namctl/ sn_cfctl, ln_timing, ln_diacfl, &
	213	& nn_isplt, nn_jsplt, nn_ictls, nn_ictle, nn_jctls, nn_jctle
[9213]	214	NAMELIST/namcfg/ ln_read_cfg, cn_domcfg, ln_closea, ln_write_cfg, cn_domcfg_out, ln_use_jattr
[2574]	215	!!----------------------------------------------------------------------
[9213]	216	!
[5407]	217	cxios_context = 'nemo'
[13286]	218	nn_hls = 1
[3716]	219	!
[11536]	220	! !-------------------------------------------------!
	221	! ! set communicator & select the local rank !
	222	! ! must be done as soon as possible to get narea !
	223	! !-------------------------------------------------!
[2574]	224	!
[14239]	225	#if defined key_xios
[11536]	226	CALL xios_initialize( "for_xios_mpi_id", return_comm=ilocal_comm ) ! nemo local communicator given by xios
	227	CALL mpp_start( ilocal_comm )
	228	#else
	229	CALL mpp_start( )
	230	#endif
	231	!
	232	narea = mpprank + 1 ! mpprank: the rank of proc (0 --> mppsize -1 )
	233	lwm = (narea == 1) ! control of output namelists
	234	!
	235	! !---------------------------------------------------------------!
	236	! ! Open output files, reference and configuration namelist files !
	237	! !---------------------------------------------------------------!
	238	!
	239	! open ocean.output as soon as possible to get all output prints (including errors messages)
	240	IF( lwm ) CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	241	! open reference and configuration namelist files
[12377]	242	CALL load_nml( numnam_ref, 'namelist_ref', -1, lwm )
	243	CALL load_nml( numnam_cfg, 'namelist_cfg', -1, lwm )
[11536]	244	IF( lwm ) CALL ctl_opn( numond, 'output.namelist.dyn', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
	245	! open /dev/null file to be able to supress output write easily
[12641]	246	IF( Agrif_Root() ) THEN
[11536]	247	CALL ctl_opn( numnul, '/dev/null', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE. )
[12641]	248	#ifdef key_agrif
	249	ELSE
	250	numnul = Agrif_Parent(numnul)
	251	#endif
	252	ENDIF
[11536]	253	!
	254	! !--------------------!
[12377]	255	! ! Open listing units ! -> need sn_cfctl from namctl to define lwp
[11536]	256	! !--------------------!
	257	!
[4147]	258	READ ( numnam_ref, namctl, IOSTAT = ios, ERR = 901 )
[11536]	259	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namctl in reference namelist' )
[4147]	260	READ ( numnam_cfg, namctl, IOSTAT = ios, ERR = 902 )
[11536]	261	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namctl in configuration namelist' )
[4147]	262	!
[12377]	263	! finalize the definition of namctl variables
[12933]	264	IF( narea < sn_cfctl%procmin .OR. narea > sn_cfctl%procmax .OR. MOD( narea - sn_cfctl%procmin, sn_cfctl%procincr ) /= 0 ) &
	265	& CALL nemo_set_cfctl( sn_cfctl, .FALSE. )
[7646]	266	!
[12377]	267	lwp = (narea == 1) .OR. sn_cfctl%l_oceout ! control of all listing output print
	268	!
[2574]	269	IF(lwp) THEN ! open listing units
	270	!
[11536]	271	IF( .NOT. lwm ) & ! alreay opened for narea == 1
	272	& CALL ctl_opn( numout, 'ocean.output', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, -1, .FALSE., narea )
[2574]	273	!
	274	WRITE(numout,*)
[11536]	275	WRITE(numout,*) ' CNRS - NERC - Met OFFICE - MERCATOR-ocean - CMCC'
[2574]	276	WRITE(numout,*) ' NEMO team'
[9213]	277	WRITE(numout,*) ' Off-line TOP Model'
[10570]	278	WRITE(numout,*) ' NEMO version 4.0 (2019) '
[2574]	279	WRITE(numout,*)
[10570]	280	WRITE(numout,*) " ._ ._ ._ ._ ._ "
	281	WRITE(numout,*) " _.-._)`\_.-._)`\_.-._)`\_.-._)`\_.-._)`\_ "
[2574]	282	WRITE(numout,*)
[10570]	283	WRITE(numout,*) " o _, _, "
	284	WRITE(numout,*) " o .' ( .-' / "
	285	WRITE(numout,*) " o _/..._'. .' / "
	286	WRITE(numout,*) " ( o .-'` ` '-./ _.' "
	287	WRITE(numout,*) " ) ( o) ;= <_ ( "
	288	WRITE(numout,*) " ( '-.,\\__ __.-;`\ '. ) "
	289	WRITE(numout,*) " ) ) \) \|`\ \) '. \ ( ( "
	290	WRITE(numout,*) " ( ( \_/ '-._\ ) ) "
	291	WRITE(numout,*) " ) ) ` ( ( "
	292	WRITE(numout,*) " ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ "
	293	WRITE(numout,*)
[2574]	294	!
[9213]	295	WRITE(numout,cform_aaa) ! Flag AAAAAAA
	296	!
[2574]	297	ENDIF
[10457]	298	!
[11536]	299	IF(lwm) WRITE( numond, namctl )
	300	!
	301	! !------------------------------------!
	302	! ! Set global domain size parameters !
	303	! !------------------------------------!
	304	!
	305	READ ( numnam_ref, namcfg, IOSTAT = ios, ERR = 903 )
	306	903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namcfg in reference namelist' )
	307	READ ( numnam_cfg, namcfg, IOSTAT = ios, ERR = 904 )
	308	904 IF( ios > 0 ) CALL ctl_nam ( ios , 'namcfg in configuration namelist' )
	309	!
	310	IF( ln_read_cfg ) THEN ! Read sizes in domain configuration file
[13286]	311	CALL domain_cfg ( cn_cfg, nn_cfg, Ni0glo, Nj0glo, jpkglo, jperio )
[11536]	312	ELSE ! user-defined namelist
[13286]	313	CALL usr_def_nam( cn_cfg, nn_cfg, Ni0glo, Nj0glo, jpkglo, jperio )
[11536]	314	ENDIF
	315	!
	316	IF(lwm) WRITE( numond, namcfg )
	317	l_offline = .true. ! passive tracers are run offline
	318	!
	319	! !-----------------------------------------!
	320	! ! mpp parameters and domain decomposition !
	321	! !-----------------------------------------!
	322	!
	323	CALL mpp_init
[2715]	324
[13286]	325	CALL halo_mng_init()
[9213]	326	! Now we know the dimensions of the grid and numout has been set: we can allocate arrays
[2715]	327	CALL nemo_alloc()
	328
[12377]	329	! Initialise time level indices
	330	Nbb = 1; Nnn = 2; Naa = 3; Nrhs = Naa
	331
[9213]	332	! !-------------------------------!
	333	! ! NEMO general initialization !
	334	! !-------------------------------!
[2574]	335
[9213]	336	CALL nemo_ctl ! Control prints
[2574]	337	!
[9213]	338	! ! General initialization
[9019]	339	IF( ln_timing ) CALL timing_init
	340	IF( ln_timing ) CALL timing_start( 'nemo_init')
[3294]	341	!
[9367]	342	CALL phy_cst ! Physical constants
	343	CALL eos_init ! Equation of state
	344	IF( lk_c1d ) CALL c1d_init ! 1D column configuration
[13970]	345	CALL dom_init( Nbb, Nnn, Naa ) ! Domain
[12377]	346	IF( sn_cfctl%l_prtctl ) &
	347	& CALL prt_ctl_init ! Print control
[7646]	348
[12377]	349	CALL istate_init( Nnn, Naa ) ! ocean initial state (Dynamics and tracers)
[7646]	350
[12377]	351	CALL sbc_init( Nbb, Nnn, Naa ) ! Forcings : surface module
[13558]	352	CALL bdy_init ! Open boundaries initialisation
	353
	354	CALL zdf_phy_init( Nnn ) ! Vertical physics
[2574]	355
[9213]	356	! ! Tracer physics
	357	CALL ldf_tra_init ! Lateral ocean tracer physics
[13558]	358	CALL ldf_eiv_init ! Eddy induced velocity param. must be done after ldf_tra_init
[9213]	359	CALL tra_ldf_init ! lateral mixing
	360	IF( l_ldfslp ) CALL ldf_slp_init ! slope of lateral mixing
[9751]	361	IF( ln_traqsr ) CALL tra_qsr_init ! penetrative solar radiation
[9213]	362	IF( ln_trabbl ) CALL tra_bbl_init ! advective (and/or diffusive) bottom boundary layer scheme
[2715]	363
[9213]	364	! ! Passive tracers
[9019]	365	CALL trc_nam_run ! Needed to get restart parameters for passive tracers
	366	CALL trc_rst_cal( nit000, 'READ' ) ! calendar
[10222]	367	#if defined key_sed_off
[12377]	368	CALL dta_dyn_sed_init( Nnn ) ! Initialization for the dynamics
[10222]	369	#else
[12377]	370	CALL dta_dyn_init( Nbb, Nnn, Naa ) ! Initialization for the dynamics
[10222]	371	#endif
[12377]	372	CALL trc_init( Nbb, Nnn, Naa ) ! Passive tracers initialization
[9213]	373
[5504]	374	IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA
[4749]	375	!
[9019]	376	IF( ln_timing ) CALL timing_stop( 'nemo_init')
[3294]	377	!
[2574]	378	END SUBROUTINE nemo_init
	379
	380
	381	SUBROUTINE nemo_ctl
	382	!!----------------------------------------------------------------------
	383	!! * ROUTINE nemo_ctl *
	384	!!
[7646]	385	!! ** Purpose : control print setting
[2574]	386	!!
[12377]	387	!! ** Method : - print namctl and namcfg information and check some consistencies
[2574]	388	!!----------------------------------------------------------------------
	389	!
[7646]	390	IF(lwp) THEN ! control print
[2574]	391	WRITE(numout,*)
[7646]	392	WRITE(numout,*) 'nemo_ctl: Control prints'
[9213]	393	WRITE(numout,*) '~~~~~~~~'
[2574]	394	WRITE(numout,*) ' Namelist namctl'
[10570]	395	WRITE(numout,*) ' sn_cfctl%l_runstat = ', sn_cfctl%l_runstat
	396	WRITE(numout,*) ' sn_cfctl%l_trcstat = ', sn_cfctl%l_trcstat
	397	WRITE(numout,*) ' sn_cfctl%l_oceout = ', sn_cfctl%l_oceout
	398	WRITE(numout,*) ' sn_cfctl%l_layout = ', sn_cfctl%l_layout
[12377]	399	WRITE(numout,*) ' sn_cfctl%l_prtctl = ', sn_cfctl%l_prtctl
	400	WRITE(numout,*) ' sn_cfctl%l_prttrc = ', sn_cfctl%l_prttrc
	401	WRITE(numout,*) ' sn_cfctl%l_oasout = ', sn_cfctl%l_oasout
[10570]	402	WRITE(numout,*) ' sn_cfctl%procmin = ', sn_cfctl%procmin
	403	WRITE(numout,*) ' sn_cfctl%procmax = ', sn_cfctl%procmax
	404	WRITE(numout,*) ' sn_cfctl%procincr = ', sn_cfctl%procincr
	405	WRITE(numout,*) ' sn_cfctl%ptimincr = ', sn_cfctl%ptimincr
[9019]	406	WRITE(numout,*) ' timing by routine ln_timing = ', ln_timing
	407	WRITE(numout,*) ' CFL diagnostics ln_diacfl = ', ln_diacfl
[2574]	408	ENDIF
[7646]	409
[13286]	410	IF( .NOT.ln_read_cfg ) ln_closea = .false. ! dealing possible only with a domcfg file
[7646]	411	IF(lwp) THEN ! control print
[4147]	412	WRITE(numout,*)
	413	WRITE(numout,*) ' Namelist namcfg'
[9213]	414	WRITE(numout,*) ' read domain configuration file ln_read_cfg = ', ln_read_cfg
[7646]	415	WRITE(numout,*) ' filename to be read cn_domcfg = ', TRIM(cn_domcfg)
[9436]	416	WRITE(numout,*) ' keep closed seas in the domain (if exist) ln_closea = ', ln_closea
[9213]	417	WRITE(numout,*) ' create a configuration definition file ln_write_cfg = ', ln_write_cfg
[7646]	418	WRITE(numout,*) ' filename to be written cn_domcfg_out = ', TRIM(cn_domcfg_out)
	419	WRITE(numout,*) ' use file attribute if exists as i/p j-start ln_use_jattr = ', ln_use_jattr
[4147]	420	ENDIF
[9213]	421	!
	422	IF( 1._wp /= SIGN(1._wp,-0._wp) ) CALL ctl_stop( 'nemo_ctl: The intrinsec SIGN function follows f2003 standard.', &
	423	& 'Compile with key_nosignedzero enabled' )
[3764]	424	!
[2574]	425	END SUBROUTINE nemo_ctl
	426
	427
	428	SUBROUTINE nemo_closefile
	429	!!----------------------------------------------------------------------
	430	!! * ROUTINE nemo_closefile *
	431	!!
	432	!! ** Purpose : Close the files
	433	!!----------------------------------------------------------------------
	434	!
[9213]	435	IF( lk_mpp ) CALL mppsync
[2574]	436	!
	437	CALL iom_close ! close all input/output files managed by iom_*
	438	!
	439	IF( numstp /= -1 ) CLOSE( numstp ) ! time-step file
[7646]	440	IF( lwm.AND.numond /= -1 ) CLOSE( numond ) ! oce output namelist
[9213]	441	!
[2574]	442	numout = 6 ! redefine numout in case it is used after this point...
	443	!
	444	END SUBROUTINE nemo_closefile
	445
[2715]	446
	447	SUBROUTINE nemo_alloc
	448	!!----------------------------------------------------------------------
	449	!! * ROUTINE nemo_alloc *
	450	!!
[14227]	451	!! ** Purpose : Allocate all the dynamic arrays of the OCE modules
[2715]	452	!!
	453	!! ** Method :
	454	!!----------------------------------------------------------------------
[9213]	455	USE diawri , ONLY : dia_wri_alloc
	456	USE dom_oce, ONLY : dom_oce_alloc
	457	USE zdf_oce, ONLY : zdf_oce_alloc
	458	USE trc_oce, ONLY : trc_oce_alloc
[12843]	459	USE bdy_oce, ONLY : bdy_oce_alloc
[2715]	460	!
	461	INTEGER :: ierr
	462	!!----------------------------------------------------------------------
	463	!
[9213]	464	ierr = oce_alloc () ! ocean
	465	ierr = ierr + dia_wri_alloc()
	466	ierr = ierr + dom_oce_alloc() ! ocean domain
	467	ierr = ierr + zdf_oce_alloc() ! ocean vertical physics
	468	ierr = ierr + trc_oce_alloc() ! shared TRC / TRA arrays
[12843]	469	ierr = ierr + bdy_oce_alloc() ! bdy masks (incl. initialization)
[2715]	470	!
[10425]	471	CALL mpp_sum( 'nemogcm', ierr )
[2715]	472	IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'nemo_alloc: unable to allocate standard ocean arrays' )
	473	!
	474	END SUBROUTINE nemo_alloc
	475
[12933]	476	SUBROUTINE nemo_set_cfctl(sn_cfctl, setto )
[10570]	477	!!----------------------------------------------------------------------
	478	!! * ROUTINE nemo_set_cfctl *
	479	!!
	480	!! ** Purpose : Set elements of the output control structure to setto.
[12933]	481	!!
[10570]	482	!! ** Method : Note this routine can be used to switch on/off some
[12933]	483	!! types of output for selected areas.
[10570]	484	!!----------------------------------------------------------------------
[12933]	485	TYPE(sn_ctl), INTENT(inout) :: sn_cfctl
	486	LOGICAL , INTENT(in ) :: setto
[10570]	487	!!----------------------------------------------------------------------
[12933]	488	sn_cfctl%l_runstat = setto
	489	sn_cfctl%l_trcstat = setto
[10570]	490	sn_cfctl%l_oceout = setto
	491	sn_cfctl%l_layout = setto
[12377]	492	sn_cfctl%l_prtctl = setto
	493	sn_cfctl%l_prttrc = setto
	494	sn_cfctl%l_oasout = setto
[10570]	495	END SUBROUTINE nemo_set_cfctl
	496
[12377]	497	SUBROUTINE istate_init( Kmm, Kaa )
[5504]	498	!!----------------------------------------------------------------------
	499	!! * ROUTINE istate_init *
	500	!!
	501	!! ** Purpose : Initialization to zero of the dynamics and tracers.
	502	!!----------------------------------------------------------------------
[12377]	503	INTEGER, INTENT(in) :: Kmm, Kaa ! ocean time level indices
[5504]	504	!
	505	! now fields ! after fields !
[12377]	506	uu (:,:,:,Kmm) = 0._wp ; uu(:,:,:,Kaa) = 0._wp !
	507	vv (:,:,:,Kmm) = 0._wp ; vv(:,:,:,Kaa) = 0._wp !
	508	ww (:,:,:) = 0._wp ! !
	509	hdiv (:,:,:) = 0._wp ! !
	510	ts (:,:,:,:,Kmm) = 0._wp ! !
[5504]	511	!
	512	rhd (:,:,:) = 0.e0
	513	rhop (:,:,:) = 0.e0
	514	rn2 (:,:,:) = 0.e0
	515	!
	516	END SUBROUTINE istate_init
	517
[9213]	518
[12933]	519	SUBROUTINE stp_ctl( kt )
[5504]	520	!!----------------------------------------------------------------------
	521	!! * ROUTINE stp_ctl *
	522	!!
	523	!! ** Purpose : Control the run
	524	!!
	525	!! ** Method : - Save the time step in numstp
	526	!!
	527	!! ** Actions : 'time.step' file containing the last ocean time-step
	528	!!----------------------------------------------------------------------
	529	INTEGER, INTENT(in ) :: kt ! ocean time-step index
	530	!!----------------------------------------------------------------------
	531	!
[10425]	532	IF( kt == nit000 .AND. lwm ) THEN
[5504]	533	WRITE(numout,*)
	534	WRITE(numout,*) 'stp_ctl : time-stepping control'
	535	WRITE(numout,*) '~~~~~~~'
	536	! open time.step file
	537	CALL ctl_opn( numstp, 'time.step', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, narea )
	538	ENDIF
	539	!
[10425]	540	IF(lwm) WRITE ( numstp, '(1x, i8)' ) kt !* save the current time step in numstp
	541	IF(lwm) REWIND( numstp ) ! --------------------------
[5504]	542	!
	543	END SUBROUTINE stp_ctl
[2574]	544	!!======================================================================
	545	END MODULE nemogcm

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