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lib_mpp.F90 in NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/OCE/LBC – NEMO

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source: NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/OCE/LBC/lib_mpp.F90 @ 10297

Last change on this file since 10297 was 10297, checked in by smasson, 5 years ago
dev_r10164_HPC09_ESIWACE_PREP_MERGE: action 2a: add report calls of mppmin/max/sum, see #2133
Property svn:keywords set to `Id`
File size: 80.5 KB

Rev	Line
[3]	1	MODULE lib_mpp
[13]	2	!!======================================================================
	3	!! * MODULE lib_mpp *
[1344]	4	!! Ocean numerics: massively parallel processing library
[13]	5	!!=====================================================================
[1344]	6	!! History : OPA ! 1994 (M. Guyon, J. Escobar, M. Imbard) Original code
	7	!! 7.0 ! 1997 (A.M. Treguier) SHMEM additions
	8	!! 8.0 ! 1998 (M. Imbard, J. Escobar, L. Colombet ) SHMEM and MPI
	9	!! ! 1998 (J.M. Molines) Open boundary conditions
[9019]	10	!! NEMO 1.0 ! 2003 (J.M. Molines, G. Madec) F90, free form
[1344]	11	!! ! 2003 (J.M. Molines) add mpp_ini_north(_3d,_2d)
	12	!! - ! 2004 (R. Bourdalle Badie) isend option in mpi
	13	!! ! 2004 (J.M. Molines) minloc, maxloc
	14	!! - ! 2005 (G. Madec, S. Masson) npolj=5,6 F-point & ice cases
	15	!! - ! 2005 (R. Redler) Replacement of MPI_COMM_WORLD except for MPI_Abort
	16	!! - ! 2005 (R. Benshila, G. Madec) add extra halo case
	17	!! - ! 2008 (R. Benshila) add mpp_ini_ice
	18	!! 3.2 ! 2009 (R. Benshila) SHMEM suppression, north fold in lbc_nfd
[3764]	19	!! 3.2 ! 2009 (O. Marti) add mpp_ini_znl
[2715]	20	!! 4.0 ! 2011 (G. Madec) move ctl_ routines from in_out_manager
[9019]	21	!! 3.5 ! 2012 (S.Mocavero, I. Epicoco) Add mpp_lnk_bdy_3d/2d routines to optimize the BDY comm.
	22	!! 3.5 ! 2013 (C. Ethe, G. Madec) message passing arrays as local variables
[6140]	23	!! 3.5 ! 2013 (S.Mocavero, I.Epicoco - CMCC) north fold optimizations
[9019]	24	!! 3.6 ! 2015 (O. Tintó and M. Castrillo - BSC) Added '_multiple' case for 2D lbc and max
	25	!! 4.0 ! 2017 (G. Madec) automatique allocation of array argument (use any 3rd dimension)
	26	!! - ! 2017 (G. Madec) create generic.h90 files to generate all lbc and north fold routines
[13]	27	!!----------------------------------------------------------------------
[2715]	28
	29	!!----------------------------------------------------------------------
[6140]	30	!! ctl_stop : update momentum and tracer Kz from a tke scheme
	31	!! ctl_warn : initialization, namelist read, and parameters control
	32	!! ctl_opn : Open file and check if required file is available.
	33	!! ctl_nam : Prints informations when an error occurs while reading a namelist
	34	!! get_unit : give the index of an unused logical unit
[2715]	35	!!----------------------------------------------------------------------
[3764]	36	#if defined key_mpp_mpi
[13]	37	!!----------------------------------------------------------------------
[1344]	38	!! 'key_mpp_mpi' MPI massively parallel processing library
	39	!!----------------------------------------------------------------------
[2715]	40	!! lib_mpp_alloc : allocate mpp arrays
	41	!! mynode : indentify the processor unit
	42	!! mpp_lnk : interface (defined in lbclnk) for message passing of 2d or 3d arrays (mpp_lnk_2d, mpp_lnk_3d)
[4990]	43	!! mpp_lnk_icb : interface for message passing of 2d arrays with extra halo for icebergs (mpp_lnk_2d_icb)
[6140]	44	!! mpprecv :
[9019]	45	!! mppsend :
[2715]	46	!! mppscatter :
	47	!! mppgather :
	48	!! mpp_min : generic interface for mppmin_int , mppmin_a_int , mppmin_real, mppmin_a_real
	49	!! mpp_max : generic interface for mppmax_int , mppmax_a_int , mppmax_real, mppmax_a_real
	50	!! mpp_sum : generic interface for mppsum_int , mppsum_a_int , mppsum_real, mppsum_a_real
	51	!! mpp_minloc :
	52	!! mpp_maxloc :
	53	!! mppsync :
	54	!! mppstop :
[1344]	55	!! mpp_ini_north : initialisation of north fold
[9019]	56	!! mpp_lbc_north_icb : alternative to mpp_nfd for extra outer halo with icebergs
[13]	57	!!----------------------------------------------------------------------
[3764]	58	USE dom_oce ! ocean space and time domain
[2715]	59	USE lbcnfd ! north fold treatment
	60	USE in_out_manager ! I/O manager
[3]	61
[13]	62	IMPLICIT NONE
[415]	63	PRIVATE
[9019]	64
	65	INTERFACE mpp_nfd
	66	MODULE PROCEDURE mpp_nfd_2d , mpp_nfd_3d , mpp_nfd_4d
	67	MODULE PROCEDURE mpp_nfd_2d_ptr, mpp_nfd_3d_ptr, mpp_nfd_4d_ptr
	68	END INTERFACE
	69
	70	! Interface associated to the mpp_lnk_... routines is defined in lbclnk
	71	PUBLIC mpp_lnk_2d , mpp_lnk_3d , mpp_lnk_4d
	72	PUBLIC mpp_lnk_2d_ptr, mpp_lnk_3d_ptr, mpp_lnk_4d_ptr
	73	!
	74	!!gm this should be useless
	75	PUBLIC mpp_nfd_2d , mpp_nfd_3d , mpp_nfd_4d
	76	PUBLIC mpp_nfd_2d_ptr, mpp_nfd_3d_ptr, mpp_nfd_4d_ptr
	77	!!gm end
	78	!
[4147]	79	PUBLIC ctl_stop, ctl_warn, get_unit, ctl_opn, ctl_nam
[1344]	80	PUBLIC mynode, mppstop, mppsync, mpp_comm_free
[9019]	81	PUBLIC mpp_ini_north
	82	PUBLIC mpp_lnk_2d_icb
	83	PUBLIC mpp_lbc_north_icb
[1344]	84	PUBLIC mpp_min, mpp_max, mpp_sum, mpp_minloc, mpp_maxloc
[10292]	85	PUBLIC mpp_ilor
[6490]	86	PUBLIC mpp_max_multiple
[3294]	87	PUBLIC mppscatter, mppgather
[10180]	88	PUBLIC mpp_ini_znl
[2715]	89	PUBLIC mppsize
[3764]	90	PUBLIC mppsend, mpprecv ! needed by TAM and ICB routines
[9890]	91	PUBLIC mpp_lnk_bdy_2d, mpp_lnk_bdy_3d, mpp_lnk_bdy_4d
[6490]	92	PUBLIC mpprank
[5429]	93
[13]	94	!! * Interfaces
	95	!! define generic interface for these routine as they are called sometimes
[1344]	96	!! with scalar arguments instead of array arguments, which causes problems
	97	!! for the compilation on AIX system as well as NEC and SGI. Ok on COMPACQ
[13]	98	INTERFACE mpp_min
	99	MODULE PROCEDURE mppmin_a_int, mppmin_int, mppmin_a_real, mppmin_real
	100	END INTERFACE
	101	INTERFACE mpp_max
[681]	102	MODULE PROCEDURE mppmax_a_int, mppmax_int, mppmax_a_real, mppmax_real
[13]	103	END INTERFACE
	104	INTERFACE mpp_sum
[6140]	105	MODULE PROCEDURE mppsum_a_int, mppsum_int, mppsum_a_real, mppsum_real, &
[9019]	106	& mppsum_realdd, mppsum_a_realdd
[13]	107	END INTERFACE
[1344]	108	INTERFACE mpp_minloc
	109	MODULE PROCEDURE mpp_minloc2d ,mpp_minloc3d
	110	END INTERFACE
	111	INTERFACE mpp_maxloc
	112	MODULE PROCEDURE mpp_maxloc2d ,mpp_maxloc3d
	113	END INTERFACE
[6490]	114	INTERFACE mpp_max_multiple
	115	MODULE PROCEDURE mppmax_real_multiple
	116	END INTERFACE
	117
[51]	118	!! ========================= !!
	119	!! MPI variable definition !!
	120	!! ========================= !!
[1629]	121	!$AGRIF_DO_NOT_TREAT
[2004]	122	INCLUDE 'mpif.h'
[1629]	123	!$AGRIF_END_DO_NOT_TREAT
[3764]	124
[1344]	125	LOGICAL, PUBLIC, PARAMETER :: lk_mpp = .TRUE. !: mpp flag
[3]	126
[1344]	127	INTEGER, PARAMETER :: nprocmax = 2**10 ! maximun dimension (required to be a power of 2)
[3764]	128
[1344]	129	INTEGER :: mppsize ! number of process
	130	INTEGER :: mpprank ! process number [ 0 - size-1 ]
[2363]	131	!$AGRIF_DO_NOT_TREAT
[9570]	132	INTEGER, PUBLIC :: mpi_comm_oce ! opa local communicator
[2363]	133	!$AGRIF_END_DO_NOT_TREAT
[3]	134
[2480]	135	INTEGER :: MPI_SUMDD
[1976]	136
[1345]	137	! variables used for zonal integration
	138	INTEGER, PUBLIC :: ncomm_znl !: communicator made by the processors on the same zonal average
[9019]	139	LOGICAL, PUBLIC :: l_znl_root !: True on the 'left'most processor on the same row
	140	INTEGER :: ngrp_znl ! group ID for the znl processors
	141	INTEGER :: ndim_rank_znl ! number of processors on the same zonal average
[2715]	142	INTEGER, DIMENSION(:), ALLOCATABLE, SAVE :: nrank_znl ! dimension ndim_rank_znl, number of the procs into the same znl domain
[3]	143
[3764]	144	! North fold condition in mpp_mpi with jpni > 1 (PUBLIC for TAM)
[9019]	145	INTEGER, PUBLIC :: ngrp_world !: group ID for the world processors
	146	INTEGER, PUBLIC :: ngrp_opa !: group ID for the opa processors
	147	INTEGER, PUBLIC :: ngrp_north !: group ID for the northern processors (to be fold)
	148	INTEGER, PUBLIC :: ncomm_north !: communicator made by the processors belonging to ngrp_north
	149	INTEGER, PUBLIC :: ndim_rank_north !: number of 'sea' processor in the northern line (can be /= jpni !)
	150	INTEGER, PUBLIC :: njmppmax !: value of njmpp for the processors of the northern line
	151	INTEGER, PUBLIC :: north_root !: number (in the comm_opa) of proc 0 in the northern comm
	152	INTEGER, PUBLIC, DIMENSION(:), ALLOCATABLE, SAVE :: nrank_north !: dimension ndim_rank_north
[3764]	153
[1344]	154	! Type of send : standard, buffered, immediate
[9019]	155	CHARACTER(len=1), PUBLIC :: cn_mpi_send !: type od mpi send/recieve (S=standard, B=bsend, I=isend)
	156	LOGICAL , PUBLIC :: l_isend = .FALSE. !: isend use indicator (T if cn_mpi_send='I')
	157	INTEGER , PUBLIC :: nn_buffer !: size of the buffer in case of mpi_bsend
[3764]	158
[10170]	159	! Communications summary report
[10297]	160	CHARACTER(len=128), DIMENSION(:), ALLOCATABLE :: crname_lbc !: names of lbc_lnk calling routines
	161	CHARACTER(len=128), DIMENSION(:), ALLOCATABLE :: crname_glb !: names of global comm calling routines
[10170]	162	INTEGER, PUBLIC :: ncom_stp = 0 !: copy of time step # istp
[10297]	163	INTEGER, PUBLIC :: ncom_fsbc = 1 !: copy of sbc time step # nn_fsbc
	164	INTEGER, PUBLIC :: ncom_dttrc = 1 !: copy of top time step # nn_dttrc
[10170]	165	INTEGER, PUBLIC , DIMENSION(:,:), ALLOCATABLE :: ncomm_sequence !: size of communicated arrays (halos)
[10297]	166	INTEGER, PUBLIC :: n_sequence_lbc = 0 !: # of communicated arraysvia lbc
	167	INTEGER, PUBLIC :: n_sequence_glb = 0 !: # of global communications
	168	INTEGER, PUBLIC :: numcom = -1 !: logical unit for communicaton report
	169
[10172]	170	! timing summary report
	171	REAL(wp), PUBLIC :: waiting_time = 0._wp, compute_time = 0._wp, elapsed_time = 0._wp
	172
[9019]	173	REAL(wp), DIMENSION(:), ALLOCATABLE, SAVE :: tampon ! buffer in case of bsend
[3]	174
[9019]	175	LOGICAL, PUBLIC :: ln_nnogather !: namelist control of northfold comms
	176	LOGICAL, PUBLIC :: l_north_nogather = .FALSE. !: internal control of northfold comms
	177
[51]	178	!!----------------------------------------------------------------------
[9598]	179	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
[888]	180	!! $Id$
[10068]	181	!! Software governed by the CeCILL license (see ./LICENSE)
[1344]	182	!!----------------------------------------------------------------------
[3]	183	CONTAINS
	184
[9019]	185	FUNCTION mynode( ldtxt, ldname, kumnam_ref, kumnam_cfg, kumond, kstop, localComm )
[2715]	186	!!----------------------------------------------------------------------
[51]	187	!! * routine mynode *
[3764]	188	!!
[51]	189	!! ** Purpose : Find processor unit
	190	!!----------------------------------------------------------------------
[6140]	191	CHARACTER(len=*),DIMENSION(:), INTENT( out) :: ldtxt !
	192	CHARACTER(len=*) , INTENT(in ) :: ldname !
	193	INTEGER , INTENT(in ) :: kumnam_ref ! logical unit for reference namelist
	194	INTEGER , INTENT(in ) :: kumnam_cfg ! logical unit for configuration namelist
	195	INTEGER , INTENT(inout) :: kumond ! logical unit for namelist output
	196	INTEGER , INTENT(inout) :: kstop ! stop indicator
	197	INTEGER , OPTIONAL , INTENT(in ) :: localComm !
[2715]	198	!
[4147]	199	INTEGER :: mynode, ierr, code, ji, ii, ios
[532]	200	LOGICAL :: mpi_was_called
[2715]	201	!
[3294]	202	NAMELIST/nammpp/ cn_mpi_send, nn_buffer, jpni, jpnj, jpnij, ln_nnogather
[51]	203	!!----------------------------------------------------------------------
[1344]	204	!
[2481]	205	ii = 1
[6140]	206	WRITE(ldtxt(ii),*) ; ii = ii + 1
	207	WRITE(ldtxt(ii),*) 'mynode : mpi initialisation' ; ii = ii + 1
	208	WRITE(ldtxt(ii),*) '~~~~~~ ' ; ii = ii + 1
[1344]	209	!
[4147]	210	REWIND( kumnam_ref ) ! Namelist nammpp in reference namelist: mpi variables
	211	READ ( kumnam_ref, nammpp, IOSTAT = ios, ERR = 901)
[9168]	212	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nammpp in reference namelist', lwp )
[9019]	213	!
[4147]	214	REWIND( kumnam_cfg ) ! Namelist nammpp in configuration namelist: mpi variables
	215	READ ( kumnam_cfg, nammpp, IOSTAT = ios, ERR = 902 )
[9168]	216	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nammpp in configuration namelist', lwp )
[9019]	217	!
[1344]	218	! ! control print
[6140]	219	WRITE(ldtxt(ii),*) ' Namelist nammpp' ; ii = ii + 1
	220	WRITE(ldtxt(ii),*) ' mpi send type cn_mpi_send = ', cn_mpi_send ; ii = ii + 1
	221	WRITE(ldtxt(ii),*) ' size exported buffer nn_buffer = ', nn_buffer,' bytes'; ii = ii + 1
[9019]	222	!
[2731]	223	#if defined key_agrif
	224	IF( .NOT. Agrif_Root() ) THEN
[3764]	225	jpni = Agrif_Parent(jpni )
[2731]	226	jpnj = Agrif_Parent(jpnj )
	227	jpnij = Agrif_Parent(jpnij)
	228	ENDIF
	229	#endif
[9019]	230	!
	231	IF( jpnij < 1 ) THEN ! If jpnij is not specified in namelist then we calculate it
	232	jpnij = jpni * jpnj ! this means there will be no land cutting out.
	233	ENDIF
[2731]	234
[9019]	235	IF( jpni < 1 .OR. jpnj < 1 ) THEN
[6140]	236	WRITE(ldtxt(ii),*) ' jpni, jpnj and jpnij will be calculated automatically' ; ii = ii + 1
[2715]	237	ELSE
[6140]	238	WRITE(ldtxt(ii),*) ' processor grid extent in i jpni = ',jpni ; ii = ii + 1
	239	WRITE(ldtxt(ii),*) ' processor grid extent in j jpnj = ',jpnj ; ii = ii + 1
	240	WRITE(ldtxt(ii),*) ' number of local domains jpnij = ',jpnij ; ii = ii + 1
[9019]	241	ENDIF
[2715]	242
[3294]	243	WRITE(ldtxt(ii),*) ' avoid use of mpi_allgather at the north fold ln_nnogather = ', ln_nnogather ; ii = ii + 1
	244
[2480]	245	CALL mpi_initialized ( mpi_was_called, code )
	246	IF( code /= MPI_SUCCESS ) THEN
[3764]	247	DO ji = 1, SIZE(ldtxt)
[2481]	248	IF( TRIM(ldtxt(ji)) /= '' ) WRITE(,) ldtxt(ji) ! control print of mynode
[3764]	249	END DO
[2480]	250	WRITE(*, cform_err)
	251	WRITE(, ) 'lib_mpp: Error in routine mpi_initialized'
	252	CALL mpi_abort( mpi_comm_world, code, ierr )
	253	ENDIF
[415]	254
[2480]	255	IF( mpi_was_called ) THEN
	256	!
	257	SELECT CASE ( cn_mpi_send )
	258	CASE ( 'S' ) ! Standard mpi send (blocking)
[6140]	259	WRITE(ldtxt(ii),*) ' Standard blocking mpi send (send)' ; ii = ii + 1
[2480]	260	CASE ( 'B' ) ! Buffer mpi send (blocking)
[6140]	261	WRITE(ldtxt(ii),*) ' Buffer blocking mpi send (bsend)' ; ii = ii + 1
[9570]	262	IF( Agrif_Root() ) CALL mpi_init_oce( ldtxt, ii, ierr )
[2480]	263	CASE ( 'I' ) ! Immediate mpi send (non-blocking send)
[6140]	264	WRITE(ldtxt(ii),*) ' Immediate non-blocking send (isend)' ; ii = ii + 1
[2480]	265	l_isend = .TRUE.
	266	CASE DEFAULT
[6140]	267	WRITE(ldtxt(ii),cform_err) ; ii = ii + 1
	268	WRITE(ldtxt(ii),*) ' bad value for cn_mpi_send = ', cn_mpi_send ; ii = ii + 1
[2715]	269	kstop = kstop + 1
[2480]	270	END SELECT
[9019]	271	!
	272	ELSEIF ( PRESENT(localComm) .AND. .NOT. mpi_was_called ) THEN
[6140]	273	WRITE(ldtxt(ii),*) ' lib_mpp: You cannot provide a local communicator ' ; ii = ii + 1
	274	WRITE(ldtxt(ii),*) ' without calling MPI_Init before ! ' ; ii = ii + 1
[2715]	275	kstop = kstop + 1
[532]	276	ELSE
[1601]	277	SELECT CASE ( cn_mpi_send )
[524]	278	CASE ( 'S' ) ! Standard mpi send (blocking)
[6140]	279	WRITE(ldtxt(ii),*) ' Standard blocking mpi send (send)' ; ii = ii + 1
[2480]	280	CALL mpi_init( ierr )
[524]	281	CASE ( 'B' ) ! Buffer mpi send (blocking)
[6140]	282	WRITE(ldtxt(ii),*) ' Buffer blocking mpi send (bsend)' ; ii = ii + 1
[9570]	283	IF( Agrif_Root() ) CALL mpi_init_oce( ldtxt, ii, ierr )
[524]	284	CASE ( 'I' ) ! Immediate mpi send (non-blocking send)
[6140]	285	WRITE(ldtxt(ii),*) ' Immediate non-blocking send (isend)' ; ii = ii + 1
[524]	286	l_isend = .TRUE.
[2480]	287	CALL mpi_init( ierr )
[524]	288	CASE DEFAULT
[6140]	289	WRITE(ldtxt(ii),cform_err) ; ii = ii + 1
	290	WRITE(ldtxt(ii),*) ' bad value for cn_mpi_send = ', cn_mpi_send ; ii = ii + 1
[2715]	291	kstop = kstop + 1
[524]	292	END SELECT
[2480]	293	!
[415]	294	ENDIF
[570]	295
[3764]	296	IF( PRESENT(localComm) ) THEN
[2480]	297	IF( Agrif_Root() ) THEN
[9570]	298	mpi_comm_oce = localComm
[2480]	299	ENDIF
	300	ELSE
[9570]	301	CALL mpi_comm_dup( mpi_comm_world, mpi_comm_oce, code)
[2480]	302	IF( code /= MPI_SUCCESS ) THEN
[3764]	303	DO ji = 1, SIZE(ldtxt)
[2481]	304	IF( TRIM(ldtxt(ji)) /= '' ) WRITE(,) ldtxt(ji) ! control print of mynode
	305	END DO
[2480]	306	WRITE(*, cform_err)
	307	WRITE(, ) ' lib_mpp: Error in routine mpi_comm_dup'
	308	CALL mpi_abort( mpi_comm_world, code, ierr )
	309	ENDIF
[3764]	310	ENDIF
[2480]	311
[5656]	312	#if defined key_agrif
[9019]	313	IF( Agrif_Root() ) THEN
[9570]	314	CALL Agrif_MPI_Init(mpi_comm_oce)
[5656]	315	ELSE
[9570]	316	CALL Agrif_MPI_set_grid_comm(mpi_comm_oce)
[5656]	317	ENDIF
	318	#endif
	319
[9570]	320	CALL mpi_comm_rank( mpi_comm_oce, mpprank, ierr )
	321	CALL mpi_comm_size( mpi_comm_oce, mppsize, ierr )
[629]	322	mynode = mpprank
[4624]	323
	324	IF( mynode == 0 ) THEN
[5407]	325	CALL ctl_opn( kumond, TRIM(ldname), 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. , 1 )
	326	WRITE(kumond, nammpp)
[4624]	327	ENDIF
[3764]	328	!
[1976]	329	CALL MPI_OP_CREATE(DDPDD_MPI, .TRUE., MPI_SUMDD, ierr)
	330	!
[51]	331	END FUNCTION mynode
[3]	332
[9019]	333	!!----------------------------------------------------------------------
	334	!! * routine mpp_lnk_(2,3,4)d *
	335	!!
	336	!! * Argument : dummy argument use in mpp_lnk_... routines
	337	!! ptab : array or pointer of arrays on which the boundary condition is applied
	338	!! cd_nat : nature of array grid-points
	339	!! psgn : sign used across the north fold boundary
	340	!! kfld : optional, number of pt3d arrays
	341	!! cd_mpp : optional, fill the overlap area only
	342	!! pval : optional, background value (used at closed boundaries)
	343	!!----------------------------------------------------------------------
	344	!
	345	! !== 2D array and array of 2D pointer ==!
	346	!
	347	# define DIM_2d
	348	# define ROUTINE_LNK mpp_lnk_2d
	349	# include "mpp_lnk_generic.h90"
	350	# undef ROUTINE_LNK
	351	# define MULTI
	352	# define ROUTINE_LNK mpp_lnk_2d_ptr
	353	# include "mpp_lnk_generic.h90"
	354	# undef ROUTINE_LNK
	355	# undef MULTI
	356	# undef DIM_2d
	357	!
	358	! !== 3D array and array of 3D pointer ==!
	359	!
	360	# define DIM_3d
	361	# define ROUTINE_LNK mpp_lnk_3d
	362	# include "mpp_lnk_generic.h90"
	363	# undef ROUTINE_LNK
	364	# define MULTI
	365	# define ROUTINE_LNK mpp_lnk_3d_ptr
	366	# include "mpp_lnk_generic.h90"
	367	# undef ROUTINE_LNK
	368	# undef MULTI
	369	# undef DIM_3d
	370	!
	371	! !== 4D array and array of 4D pointer ==!
	372	!
	373	# define DIM_4d
	374	# define ROUTINE_LNK mpp_lnk_4d
	375	# include "mpp_lnk_generic.h90"
	376	# undef ROUTINE_LNK
	377	# define MULTI
	378	# define ROUTINE_LNK mpp_lnk_4d_ptr
	379	# include "mpp_lnk_generic.h90"
	380	# undef ROUTINE_LNK
	381	# undef MULTI
	382	# undef DIM_4d
[6140]	383
[9019]	384	!!----------------------------------------------------------------------
	385	!! * routine mpp_nfd_(2,3,4)d *
	386	!!
	387	!! * Argument : dummy argument use in mpp_nfd_... routines
	388	!! ptab : array or pointer of arrays on which the boundary condition is applied
	389	!! cd_nat : nature of array grid-points
	390	!! psgn : sign used across the north fold boundary
	391	!! kfld : optional, number of pt3d arrays
	392	!! cd_mpp : optional, fill the overlap area only
	393	!! pval : optional, background value (used at closed boundaries)
	394	!!----------------------------------------------------------------------
	395	!
	396	! !== 2D array and array of 2D pointer ==!
	397	!
	398	# define DIM_2d
	399	# define ROUTINE_NFD mpp_nfd_2d
	400	# include "mpp_nfd_generic.h90"
	401	# undef ROUTINE_NFD
	402	# define MULTI
	403	# define ROUTINE_NFD mpp_nfd_2d_ptr
	404	# include "mpp_nfd_generic.h90"
	405	# undef ROUTINE_NFD
	406	# undef MULTI
	407	# undef DIM_2d
	408	!
	409	! !== 3D array and array of 3D pointer ==!
	410	!
	411	# define DIM_3d
	412	# define ROUTINE_NFD mpp_nfd_3d
	413	# include "mpp_nfd_generic.h90"
	414	# undef ROUTINE_NFD
	415	# define MULTI
	416	# define ROUTINE_NFD mpp_nfd_3d_ptr
	417	# include "mpp_nfd_generic.h90"
	418	# undef ROUTINE_NFD
	419	# undef MULTI
	420	# undef DIM_3d
	421	!
	422	! !== 4D array and array of 4D pointer ==!
	423	!
	424	# define DIM_4d
	425	# define ROUTINE_NFD mpp_nfd_4d
	426	# include "mpp_nfd_generic.h90"
	427	# undef ROUTINE_NFD
	428	# define MULTI
	429	# define ROUTINE_NFD mpp_nfd_4d_ptr
	430	# include "mpp_nfd_generic.h90"
	431	# undef ROUTINE_NFD
	432	# undef MULTI
	433	# undef DIM_4d
[3]	434
[1344]	435
[9019]	436	!!----------------------------------------------------------------------
	437	!! * routine mpp_lnk_bdy_(2,3,4)d *
	438	!!
	439	!! * Argument : dummy argument use in mpp_lnk_... routines
	440	!! ptab : array or pointer of arrays on which the boundary condition is applied
	441	!! cd_nat : nature of array grid-points
	442	!! psgn : sign used across the north fold boundary
	443	!! kb_bdy : BDY boundary set
	444	!! kfld : optional, number of pt3d arrays
	445	!!----------------------------------------------------------------------
	446	!
	447	! !== 2D array and array of 2D pointer ==!
	448	!
	449	# define DIM_2d
	450	# define ROUTINE_BDY mpp_lnk_bdy_2d
	451	# include "mpp_bdy_generic.h90"
	452	# undef ROUTINE_BDY
	453	# undef DIM_2d
	454	!
	455	! !== 3D array and array of 3D pointer ==!
	456	!
	457	# define DIM_3d
	458	# define ROUTINE_BDY mpp_lnk_bdy_3d
	459	# include "mpp_bdy_generic.h90"
	460	# undef ROUTINE_BDY
	461	# undef DIM_3d
	462	!
	463	! !== 4D array and array of 4D pointer ==!
	464	!
[9890]	465	# define DIM_4d
	466	# define ROUTINE_BDY mpp_lnk_bdy_4d
	467	# include "mpp_bdy_generic.h90"
	468	# undef ROUTINE_BDY
	469	# undef DIM_4d
[3]	470
[9019]	471	!!----------------------------------------------------------------------
	472	!!
	473	!! load_array & mpp_lnk_2d_9 à generaliser a 3D et 4D
[5429]	474
	475
[9019]	476	!! mpp_lnk_sum_2d et 3D ====>>>>>> à virer du code !!!!
[5429]	477
[9019]	478
	479	!!----------------------------------------------------------------------
[5429]	480
	481
[888]	482
[1344]	483	SUBROUTINE mppsend( ktyp, pmess, kbytes, kdest, md_req )
[51]	484	!!----------------------------------------------------------------------
	485	!! * routine mppsend *
[3764]	486	!!
[51]	487	!! ** Purpose : Send messag passing array
	488	!!
	489	!!----------------------------------------------------------------------
[1344]	490	REAL(wp), INTENT(inout) :: pmess(*) ! array of real
	491	INTEGER , INTENT(in ) :: kbytes ! size of the array pmess
	492	INTEGER , INTENT(in ) :: kdest ! receive process number
	493	INTEGER , INTENT(in ) :: ktyp ! tag of the message
	494	INTEGER , INTENT(in ) :: md_req ! argument for isend
	495	!!
	496	INTEGER :: iflag
[51]	497	!!----------------------------------------------------------------------
[1344]	498	!
[1601]	499	SELECT CASE ( cn_mpi_send )
[300]	500	CASE ( 'S' ) ! Standard mpi send (blocking)
[9570]	501	CALL mpi_send ( pmess, kbytes, mpi_double_precision, kdest , ktyp, mpi_comm_oce , iflag )
[300]	502	CASE ( 'B' ) ! Buffer mpi send (blocking)
[9570]	503	CALL mpi_bsend( pmess, kbytes, mpi_double_precision, kdest , ktyp, mpi_comm_oce , iflag )
[300]	504	CASE ( 'I' ) ! Immediate mpi send (non-blocking send)
[1344]	505	! be carefull, one more argument here : the mpi request identifier..
[9570]	506	CALL mpi_isend( pmess, kbytes, mpi_double_precision, kdest , ktyp, mpi_comm_oce, md_req, iflag )
[300]	507	END SELECT
[1344]	508	!
[51]	509	END SUBROUTINE mppsend
[3]	510
	511
[3294]	512	SUBROUTINE mpprecv( ktyp, pmess, kbytes, ksource )
[51]	513	!!----------------------------------------------------------------------
	514	!! * routine mpprecv *
	515	!!
	516	!! ** Purpose : Receive messag passing array
	517	!!
	518	!!----------------------------------------------------------------------
[1344]	519	REAL(wp), INTENT(inout) :: pmess(*) ! array of real
	520	INTEGER , INTENT(in ) :: kbytes ! suze of the array pmess
	521	INTEGER , INTENT(in ) :: ktyp ! Tag of the recevied message
[3764]	522	INTEGER, OPTIONAL, INTENT(in) :: ksource ! source process number
[1344]	523	!!
[51]	524	INTEGER :: istatus(mpi_status_size)
	525	INTEGER :: iflag
[3294]	526	INTEGER :: use_source
[1344]	527	!!----------------------------------------------------------------------
	528	!
[3764]	529	! If a specific process number has been passed to the receive call,
[3294]	530	! use that one. Default is to use mpi_any_source
[6140]	531	use_source = mpi_any_source
	532	IF( PRESENT(ksource) ) use_source = ksource
	533	!
[9570]	534	CALL mpi_recv( pmess, kbytes, mpi_double_precision, use_source, ktyp, mpi_comm_oce, istatus, iflag )
[1344]	535	!
[51]	536	END SUBROUTINE mpprecv
[3]	537
	538
[51]	539	SUBROUTINE mppgather( ptab, kp, pio )
	540	!!----------------------------------------------------------------------
	541	!! * routine mppgather *
[3764]	542	!!
	543	!! ** Purpose : Transfert between a local subdomain array and a work
[51]	544	!! array which is distributed following the vertical level.
	545	!!
[1344]	546	!!----------------------------------------------------------------------
[6140]	547	REAL(wp), DIMENSION(jpi,jpj) , INTENT(in ) :: ptab ! subdomain input array
	548	INTEGER , INTENT(in ) :: kp ! record length
[1344]	549	REAL(wp), DIMENSION(jpi,jpj,jpnij), INTENT( out) :: pio ! subdomain input array
[51]	550	!!
[1344]	551	INTEGER :: itaille, ierror ! temporary integer
[51]	552	!!---------------------------------------------------------------------
[1344]	553	!
	554	itaille = jpi * jpj
	555	CALL mpi_gather( ptab, itaille, mpi_double_precision, pio, itaille , &
[9570]	556	& mpi_double_precision, kp , mpi_comm_oce, ierror )
[1344]	557	!
[51]	558	END SUBROUTINE mppgather
[3]	559
	560
[51]	561	SUBROUTINE mppscatter( pio, kp, ptab )
	562	!!----------------------------------------------------------------------
	563	!! * routine mppscatter *
	564	!!
[3764]	565	!! ** Purpose : Transfert between awork array which is distributed
[51]	566	!! following the vertical level and the local subdomain array.
	567	!!
	568	!!----------------------------------------------------------------------
[6140]	569	REAL(wp), DIMENSION(jpi,jpj,jpnij) :: pio ! output array
	570	INTEGER :: kp ! Tag (not used with MPI
	571	REAL(wp), DIMENSION(jpi,jpj) :: ptab ! subdomain array input
[1344]	572	!!
	573	INTEGER :: itaille, ierror ! temporary integer
[51]	574	!!---------------------------------------------------------------------
[1344]	575	!
[6140]	576	itaille = jpi * jpj
[1344]	577	!
	578	CALL mpi_scatter( pio, itaille, mpi_double_precision, ptab, itaille , &
[9570]	579	& mpi_double_precision, kp , mpi_comm_oce, ierror )
[1344]	580	!
[51]	581	END SUBROUTINE mppscatter
[3]	582
[9019]	583	!!
[10292]	584	SUBROUTINE mpp_ilor( ld_switch, ldlast, kcom )
	585	! WARNING: must be used only once (by ice_dyn_adv_umx) because ll_switch and ireq are SAVE
	586	!!----------------------------------------------------------------------
	587	LOGICAL, INTENT(inout), DIMENSION(2) :: ld_switch
	588	LOGICAL, INTENT(in ), OPTIONAL :: ldlast
	589	INTEGER, INTENT(in ), OPTIONAL :: kcom
	590	INTEGER :: ierror, ilocalcomm
	591	LOGICAL, SAVE :: ll_switch
	592	INTEGER, SAVE :: ireq = -1
	593	!!----------------------------------------------------------------------
	594	ilocalcomm = mpi_comm_oce
	595	IF( PRESENT(kcom) ) ilocalcomm = kcom
	596
	597	IF ( ireq /= -1 ) THEN ! get ld_switch(2) from ll_switch (from previous call)
	598	CALL mpi_wait(ireq, MPI_STATUS_IGNORE, ierror )
	599	ld_switch(2) = ll_switch
	600	ENDIF
	601	IF( .NOT. ldlast ) & ! send ll_switch to be received on next call
	602	CALL mpi_iallreduce( ld_switch(1), ll_switch, 1, MPI_LOGICAL, mpi_lor, ilocalcomm, ireq, ierror )
[681]	603
[10292]	604	END SUBROUTINE mpp_ilor
[10297]	605
[9019]	606	!!----------------------------------------------------------------------
[10297]	607	!! * mppmax_a_int, mppmax_int, mppmax_a_real, mppmax_real *
	608	!!
	609	!!----------------------------------------------------------------------
	610	!!
	611	# define OPERATION_MAX
	612	# define INTEGER_TYPE
	613	# define DIM_0d
	614	# define ROUTINE_ALLREDUCE mppmax_int
	615	# include "mpp_allreduce_generic.h90"
	616	# undef ROUTINE_ALLREDUCE
	617	# undef DIM_0d
	618	# define DIM_1d
	619	# define ROUTINE_ALLREDUCE mppmax_a_int
	620	# include "mpp_allreduce_generic.h90"
	621	# undef ROUTINE_ALLREDUCE
	622	# undef DIM_1d
	623	# undef INTEGER_TYPE
	624	!
	625	# define REAL_TYPE
	626	# define DIM_0d
	627	# define ROUTINE_ALLREDUCE mppmax_real
	628	# include "mpp_allreduce_generic.h90"
	629	# undef ROUTINE_ALLREDUCE
	630	# undef DIM_0d
	631	# define DIM_1d
	632	# define ROUTINE_ALLREDUCE mppmax_a_real
	633	# include "mpp_allreduce_generic.h90"
	634	# undef ROUTINE_ALLREDUCE
	635	# undef DIM_1d
	636	# undef REAL_TYPE
	637	# undef OPERATION_MAX
	638	!!----------------------------------------------------------------------
[9019]	639	!! * mppmin_a_int, mppmin_int, mppmin_a_real, mppmin_real *
	640	!!
	641	!!----------------------------------------------------------------------
	642	!!
[10297]	643	# define OPERATION_MIN
	644	# define INTEGER_TYPE
	645	# define DIM_0d
	646	# define ROUTINE_ALLREDUCE mppmin_int
	647	# include "mpp_allreduce_generic.h90"
	648	# undef ROUTINE_ALLREDUCE
	649	# undef DIM_0d
	650	# define DIM_1d
	651	# define ROUTINE_ALLREDUCE mppmin_a_int
	652	# include "mpp_allreduce_generic.h90"
	653	# undef ROUTINE_ALLREDUCE
	654	# undef DIM_1d
	655	# undef INTEGER_TYPE
	656	!
	657	# define REAL_TYPE
	658	# define DIM_0d
	659	# define ROUTINE_ALLREDUCE mppmin_real
	660	# include "mpp_allreduce_generic.h90"
	661	# undef ROUTINE_ALLREDUCE
	662	# undef DIM_0d
	663	# define DIM_1d
	664	# define ROUTINE_ALLREDUCE mppmin_a_real
	665	# include "mpp_allreduce_generic.h90"
	666	# undef ROUTINE_ALLREDUCE
	667	# undef DIM_1d
	668	# undef REAL_TYPE
	669	# undef OPERATION_MIN
[3]	670
[9019]	671	!!----------------------------------------------------------------------
	672	!! * mppsum_a_int, mppsum_int, mppsum_a_real, mppsum_real *
	673	!!
	674	!! Global sum of 1D array or a variable (integer, real or complex)
	675	!!----------------------------------------------------------------------
	676	!!
[10297]	677	# define OPERATION_SUM
	678	# define INTEGER_TYPE
	679	# define DIM_0d
	680	# define ROUTINE_ALLREDUCE mppsum_int
	681	# include "mpp_allreduce_generic.h90"
	682	# undef ROUTINE_ALLREDUCE
	683	# undef DIM_0d
	684	# define DIM_1d
	685	# define ROUTINE_ALLREDUCE mppsum_a_int
	686	# include "mpp_allreduce_generic.h90"
	687	# undef ROUTINE_ALLREDUCE
	688	# undef DIM_1d
	689	# undef INTEGER_TYPE
	690	!
	691	# define REAL_TYPE
	692	# define DIM_0d
	693	# define ROUTINE_ALLREDUCE mppsum_real
	694	# include "mpp_allreduce_generic.h90"
	695	# undef ROUTINE_ALLREDUCE
	696	# undef DIM_0d
	697	# define DIM_1d
	698	# define ROUTINE_ALLREDUCE mppsum_a_real
	699	# include "mpp_allreduce_generic.h90"
	700	# undef ROUTINE_ALLREDUCE
	701	# undef DIM_1d
	702	# undef REAL_TYPE
	703	# undef OPERATION_SUM
[3764]	704
[10297]	705	# define OPERATION_SUM_DD
	706	# define COMPLEX_TYPE
	707	# define DIM_0d
	708	# define ROUTINE_ALLREDUCE mppsum_realdd
	709	# include "mpp_allreduce_generic.h90"
	710	# undef ROUTINE_ALLREDUCE
	711	# undef DIM_0d
	712	# define DIM_1d
	713	# define ROUTINE_ALLREDUCE mppsum_a_realdd
	714	# include "mpp_allreduce_generic.h90"
	715	# undef ROUTINE_ALLREDUCE
	716	# undef DIM_1d
	717	# undef COMPLEX_TYPE
	718	# undef OPERATION_SUM_DD
	719
[9019]	720	SUBROUTINE mppmax_real_multiple( pt1d, kdim, kcom )
	721	!!----------------------------------------------------------------------
	722	!! * routine mppmax_real *
	723	!!
	724	!! ** Purpose : Maximum across processor of each element of a 1D arrays
	725	!!
	726	!!----------------------------------------------------------------------
	727	REAL(wp), DIMENSION(kdim), INTENT(inout) :: pt1d ! 1D arrays
	728	INTEGER , INTENT(in ) :: kdim
	729	INTEGER , OPTIONAL , INTENT(in ) :: kcom ! local communicator
	730	!!
	731	INTEGER :: ierror, ilocalcomm
	732	REAL(wp), DIMENSION(kdim) :: zwork
	733	!!----------------------------------------------------------------------
[9570]	734	ilocalcomm = mpi_comm_oce
[9019]	735	IF( PRESENT(kcom) ) ilocalcomm = kcom
	736	!
	737	CALL mpi_allreduce( pt1d, zwork, kdim, mpi_double_precision, mpi_max, ilocalcomm, ierror )
	738	pt1d(:) = zwork(:)
	739	!
	740	END SUBROUTINE mppmax_real_multiple
[6140]	741
[9019]	742
[1344]	743	SUBROUTINE mpp_minloc2d( ptab, pmask, pmin, ki,kj )
	744	!!------------------------------------------------------------------------
	745	!! * routine mpp_minloc *
	746	!!
	747	!! ** Purpose : Compute the global minimum of an array ptab
	748	!! and also give its global position
	749	!!
	750	!! ** Method : Use MPI_ALLREDUCE with MPI_MINLOC
	751	!!
	752	!!--------------------------------------------------------------------------
	753	REAL(wp), DIMENSION (jpi,jpj), INTENT(in ) :: ptab ! Local 2D array
	754	REAL(wp), DIMENSION (jpi,jpj), INTENT(in ) :: pmask ! Local mask
	755	REAL(wp) , INTENT( out) :: pmin ! Global minimum of ptab
[9019]	756	INTEGER , INTENT( out) :: ki, kj ! index of minimum in global frame
[6140]	757	!
	758	INTEGER :: ierror
[1344]	759	INTEGER , DIMENSION(2) :: ilocs
	760	REAL(wp) :: zmin ! local minimum
	761	REAL(wp), DIMENSION(2,1) :: zain, zaout
	762	!!-----------------------------------------------------------------------
	763	!
[9019]	764	zmin = MINVAL( ptab(:,:) , mask= pmask == 1._wp )
	765	ilocs = MINLOC( ptab(:,:) , mask= pmask == 1._wp )
[1344]	766	!
	767	ki = ilocs(1) + nimpp - 1
	768	kj = ilocs(2) + njmpp - 1
	769	!
	770	zain(1,:)=zmin
	771	zain(2,:)=ki+10000.*kj
	772	!
[9570]	773	CALL MPI_ALLREDUCE( zain,zaout, 1, MPI_2DOUBLE_PRECISION,MPI_MINLOC,MPI_COMM_OCE,ierror)
[1344]	774	!
	775	pmin = zaout(1,1)
	776	kj = INT(zaout(2,1)/10000.)
	777	ki = INT(zaout(2,1) - 10000.*kj )
	778	!
	779	END SUBROUTINE mpp_minloc2d
[13]	780
[3]	781
[1344]	782	SUBROUTINE mpp_minloc3d( ptab, pmask, pmin, ki, kj ,kk)
	783	!!------------------------------------------------------------------------
	784	!! * routine mpp_minloc *
	785	!!
	786	!! ** Purpose : Compute the global minimum of an array ptab
	787	!! and also give its global position
	788	!!
	789	!! ** Method : Use MPI_ALLREDUCE with MPI_MINLOC
	790	!!
	791	!!--------------------------------------------------------------------------
[9019]	792	REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: ptab ! Local 2D array
	793	REAL(wp), DIMENSION(:,:,:), INTENT(in ) :: pmask ! Local mask
	794	REAL(wp) , INTENT( out) :: pmin ! Global minimum of ptab
	795	INTEGER , INTENT( out) :: ki, kj, kk ! index of minimum in global frame
	796	!
[1344]	797	INTEGER :: ierror
	798	REAL(wp) :: zmin ! local minimum
	799	INTEGER , DIMENSION(3) :: ilocs
	800	REAL(wp), DIMENSION(2,1) :: zain, zaout
	801	!!-----------------------------------------------------------------------
	802	!
[9019]	803	zmin = MINVAL( ptab(:,:,:) , mask= pmask == 1._wp )
	804	ilocs = MINLOC( ptab(:,:,:) , mask= pmask == 1._wp )
[1344]	805	!
	806	ki = ilocs(1) + nimpp - 1
	807	kj = ilocs(2) + njmpp - 1
	808	kk = ilocs(3)
	809	!
[9019]	810	zain(1,:) = zmin
	811	zain(2,:) = ki + 10000.kj + 100000000.kk
[1344]	812	!
[9570]	813	CALL MPI_ALLREDUCE( zain,zaout, 1, MPI_2DOUBLE_PRECISION,MPI_MINLOC,MPI_COMM_OCE,ierror)
[1344]	814	!
	815	pmin = zaout(1,1)
	816	kk = INT( zaout(2,1) / 100000000. )
	817	kj = INT( zaout(2,1) - kk * 100000000. ) / 10000
	818	ki = INT( zaout(2,1) - kk * 100000000. -kj * 10000. )
	819	!
	820	END SUBROUTINE mpp_minloc3d
[13]	821
[3]	822
[1344]	823	SUBROUTINE mpp_maxloc2d( ptab, pmask, pmax, ki, kj )
	824	!!------------------------------------------------------------------------
	825	!! * routine mpp_maxloc *
	826	!!
	827	!! ** Purpose : Compute the global maximum of an array ptab
	828	!! and also give its global position
	829	!!
	830	!! ** Method : Use MPI_ALLREDUCE with MPI_MINLOC
	831	!!
	832	!!--------------------------------------------------------------------------
	833	REAL(wp), DIMENSION (jpi,jpj), INTENT(in ) :: ptab ! Local 2D array
	834	REAL(wp), DIMENSION (jpi,jpj), INTENT(in ) :: pmask ! Local mask
	835	REAL(wp) , INTENT( out) :: pmax ! Global maximum of ptab
	836	INTEGER , INTENT( out) :: ki, kj ! index of maximum in global frame
[3764]	837	!!
[1344]	838	INTEGER :: ierror
	839	INTEGER, DIMENSION (2) :: ilocs
	840	REAL(wp) :: zmax ! local maximum
	841	REAL(wp), DIMENSION(2,1) :: zain, zaout
	842	!!-----------------------------------------------------------------------
	843	!
[9019]	844	zmax = MAXVAL( ptab(:,:) , mask= pmask == 1._wp )
	845	ilocs = MAXLOC( ptab(:,:) , mask= pmask == 1._wp )
[1344]	846	!
	847	ki = ilocs(1) + nimpp - 1
	848	kj = ilocs(2) + njmpp - 1
	849	!
	850	zain(1,:) = zmax
	851	zain(2,:) = ki + 10000. * kj
	852	!
[9570]	853	CALL MPI_ALLREDUCE( zain,zaout, 1, MPI_2DOUBLE_PRECISION,MPI_MAXLOC,MPI_COMM_OCE,ierror)
[1344]	854	!
	855	pmax = zaout(1,1)
	856	kj = INT( zaout(2,1) / 10000. )
	857	ki = INT( zaout(2,1) - 10000.* kj )
	858	!
	859	END SUBROUTINE mpp_maxloc2d
[3]	860
[13]	861
[1344]	862	SUBROUTINE mpp_maxloc3d( ptab, pmask, pmax, ki, kj, kk )
	863	!!------------------------------------------------------------------------
	864	!! * routine mpp_maxloc *
	865	!!
	866	!! ** Purpose : Compute the global maximum of an array ptab
	867	!! and also give its global position
	868	!!
	869	!! ** Method : Use MPI_ALLREDUCE with MPI_MINLOC
	870	!!
	871	!!--------------------------------------------------------------------------
[9019]	872	REAL(wp), DIMENSION (:,:,:), INTENT(in ) :: ptab ! Local 2D array
	873	REAL(wp), DIMENSION (:,:,:), INTENT(in ) :: pmask ! Local mask
	874	REAL(wp) , INTENT( out) :: pmax ! Global maximum of ptab
	875	INTEGER , INTENT( out) :: ki, kj, kk ! index of maximum in global frame
	876	!
	877	INTEGER :: ierror ! local integer
	878	REAL(wp) :: zmax ! local maximum
[1344]	879	REAL(wp), DIMENSION(2,1) :: zain, zaout
	880	INTEGER , DIMENSION(3) :: ilocs
	881	!!-----------------------------------------------------------------------
	882	!
[9019]	883	zmax = MAXVAL( ptab(:,:,:) , mask= pmask == 1._wp )
	884	ilocs = MAXLOC( ptab(:,:,:) , mask= pmask == 1._wp )
[1344]	885	!
	886	ki = ilocs(1) + nimpp - 1
	887	kj = ilocs(2) + njmpp - 1
	888	kk = ilocs(3)
	889	!
[9019]	890	zain(1,:) = zmax
	891	zain(2,:) = ki + 10000.kj + 100000000.kk
[1344]	892	!
[9570]	893	CALL MPI_ALLREDUCE( zain,zaout, 1, MPI_2DOUBLE_PRECISION,MPI_MAXLOC,MPI_COMM_OCE,ierror)
[1344]	894	!
	895	pmax = zaout(1,1)
	896	kk = INT( zaout(2,1) / 100000000. )
	897	kj = INT( zaout(2,1) - kk * 100000000. ) / 10000
	898	ki = INT( zaout(2,1) - kk * 100000000. -kj * 10000. )
	899	!
	900	END SUBROUTINE mpp_maxloc3d
[3]	901
[869]	902
[1344]	903	SUBROUTINE mppsync()
	904	!!----------------------------------------------------------------------
	905	!! * routine mppsync *
[3764]	906	!!
[1344]	907	!! ** Purpose : Massively parallel processors, synchroneous
	908	!!
	909	!!-----------------------------------------------------------------------
	910	INTEGER :: ierror
	911	!!-----------------------------------------------------------------------
	912	!
[9570]	913	CALL mpi_barrier( mpi_comm_oce, ierror )
[1344]	914	!
	915	END SUBROUTINE mppsync
[3]	916
	917
[1344]	918	SUBROUTINE mppstop
	919	!!----------------------------------------------------------------------
	920	!! * routine mppstop *
[3764]	921	!!
[3294]	922	!! ** purpose : Stop massively parallel processors method
[1344]	923	!!
	924	!!----------------------------------------------------------------------
	925	INTEGER :: info
	926	!!----------------------------------------------------------------------
	927	!
	928	CALL mppsync
	929	CALL mpi_finalize( info )
	930	!
	931	END SUBROUTINE mppstop
[3]	932
	933
[1344]	934	SUBROUTINE mpp_comm_free( kcom )
	935	!!----------------------------------------------------------------------
	936	INTEGER, INTENT(in) :: kcom
	937	!!
	938	INTEGER :: ierr
	939	!!----------------------------------------------------------------------
	940	!
	941	CALL MPI_COMM_FREE(kcom, ierr)
	942	!
	943	END SUBROUTINE mpp_comm_free
[3]	944
[869]	945
[2715]	946	SUBROUTINE mpp_ini_znl( kumout )
[1345]	947	!!----------------------------------------------------------------------
	948	!! * routine mpp_ini_znl *
	949	!!
	950	!! ** Purpose : Initialize special communicator for computing zonal sum
	951	!!
	952	!! ** Method : - Look for processors in the same row
	953	!! - Put their number in nrank_znl
	954	!! - Create group for the znl processors
	955	!! - Create a communicator for znl processors
	956	!! - Determine if processor should write znl files
	957	!!
	958	!! ** output
	959	!! ndim_rank_znl = number of processors on the same row
	960	!! ngrp_znl = group ID for the znl processors
	961	!! ncomm_znl = communicator for the ice procs.
	962	!! n_znl_root = number (in the world) of proc 0 in the ice comm.
	963	!!
	964	!!----------------------------------------------------------------------
[2715]	965	INTEGER, INTENT(in) :: kumout ! ocean.output logical units
[1345]	966	!
[2715]	967	INTEGER :: jproc ! dummy loop integer
	968	INTEGER :: ierr, ii ! local integer
	969	INTEGER, ALLOCATABLE, DIMENSION(:) :: kwork
	970	!!----------------------------------------------------------------------
[1345]	971	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - ngrp_world : ', ngrp_world
	972	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - mpi_comm_world : ', mpi_comm_world
[9570]	973	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - mpi_comm_oce : ', mpi_comm_oce
[1345]	974	!
[2715]	975	ALLOCATE( kwork(jpnij), STAT=ierr )
	976	IF( ierr /= 0 ) THEN
	977	WRITE(kumout, cform_err)
	978	WRITE(kumout,*) 'mpp_ini_znl : failed to allocate 1D array of length jpnij'
	979	CALL mppstop
	980	ENDIF
	981
	982	IF( jpnj == 1 ) THEN
[1345]	983	ngrp_znl = ngrp_world
[9570]	984	ncomm_znl = mpi_comm_oce
[1345]	985	ELSE
	986	!
[9570]	987	CALL MPI_ALLGATHER ( njmpp, 1, mpi_integer, kwork, 1, mpi_integer, mpi_comm_oce, ierr )
[1345]	988	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - kwork pour njmpp : ', kwork
	989	!-$$ CALL flush(numout)
	990	!
	991	! Count number of processors on the same row
	992	ndim_rank_znl = 0
	993	DO jproc=1,jpnij
	994	IF ( kwork(jproc) == njmpp ) THEN
	995	ndim_rank_znl = ndim_rank_znl + 1
	996	ENDIF
	997	END DO
	998	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - ndim_rank_znl : ', ndim_rank_znl
	999	!-$$ CALL flush(numout)
	1000	! Allocate the right size to nrank_znl
[1441]	1001	IF (ALLOCATED (nrank_znl)) DEALLOCATE(nrank_znl)
[1345]	1002	ALLOCATE(nrank_znl(ndim_rank_znl))
[3764]	1003	ii = 0
[1345]	1004	nrank_znl (:) = 0
	1005	DO jproc=1,jpnij
	1006	IF ( kwork(jproc) == njmpp) THEN
	1007	ii = ii + 1
[3764]	1008	nrank_znl(ii) = jproc -1
[1345]	1009	ENDIF
	1010	END DO
	1011	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - nrank_znl : ', nrank_znl
	1012	!-$$ CALL flush(numout)
	1013
	1014	! Create the opa group
[9570]	1015	CALL MPI_COMM_GROUP(mpi_comm_oce,ngrp_opa,ierr)
[1345]	1016	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - ngrp_opa : ', ngrp_opa
	1017	!-$$ CALL flush(numout)
	1018
	1019	! Create the znl group from the opa group
	1020	CALL MPI_GROUP_INCL ( ngrp_opa, ndim_rank_znl, nrank_znl, ngrp_znl, ierr )
	1021	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - ngrp_znl ', ngrp_znl
	1022	!-$$ CALL flush(numout)
	1023
	1024	! Create the znl communicator from the opa communicator, ie the pool of procs in the same row
[9570]	1025	CALL MPI_COMM_CREATE ( mpi_comm_oce, ngrp_znl, ncomm_znl, ierr )
[1345]	1026	!-$$ WRITE (numout,*) 'mpp_ini_znl ', nproc, ' - ncomm_znl ', ncomm_znl
	1027	!-$$ CALL flush(numout)
	1028	!
	1029	END IF
	1030
	1031	! Determines if processor if the first (starting from i=1) on the row
[3764]	1032	IF ( jpni == 1 ) THEN
[1345]	1033	l_znl_root = .TRUE.
	1034	ELSE
	1035	l_znl_root = .FALSE.
	1036	kwork (1) = nimpp
[10297]	1037	CALL mpp_min ( 'lib_mpp', kwork(1), kcom = ncomm_znl)
[1345]	1038	IF ( nimpp == kwork(1)) l_znl_root = .TRUE.
	1039	END IF
	1040
[2715]	1041	DEALLOCATE(kwork)
	1042
[1345]	1043	END SUBROUTINE mpp_ini_znl
	1044
	1045
[1344]	1046	SUBROUTINE mpp_ini_north
	1047	!!----------------------------------------------------------------------
	1048	!! * routine mpp_ini_north *
	1049	!!
[3764]	1050	!! ** Purpose : Initialize special communicator for north folding
[1344]	1051	!! condition together with global variables needed in the mpp folding
	1052	!!
	1053	!! ** Method : - Look for northern processors
	1054	!! - Put their number in nrank_north
	1055	!! - Create groups for the world processors and the north processors
	1056	!! - Create a communicator for northern processors
	1057	!!
	1058	!! ** output
	1059	!! njmppmax = njmpp for northern procs
	1060	!! ndim_rank_north = number of processors in the northern line
	1061	!! nrank_north (ndim_rank_north) = number of the northern procs.
	1062	!! ngrp_world = group ID for the world processors
	1063	!! ngrp_north = group ID for the northern processors
	1064	!! ncomm_north = communicator for the northern procs.
	1065	!! north_root = number (in the world) of proc 0 in the northern comm.
	1066	!!
	1067	!!----------------------------------------------------------------------
	1068	INTEGER :: ierr
	1069	INTEGER :: jjproc
	1070	INTEGER :: ii, ji
	1071	!!----------------------------------------------------------------------
	1072	!
	1073	njmppmax = MAXVAL( njmppt )
	1074	!
	1075	! Look for how many procs on the northern boundary
	1076	ndim_rank_north = 0
	1077	DO jjproc = 1, jpnij
	1078	IF( njmppt(jjproc) == njmppmax ) ndim_rank_north = ndim_rank_north + 1
	1079	END DO
	1080	!
	1081	! Allocate the right size to nrank_north
[1441]	1082	IF (ALLOCATED (nrank_north)) DEALLOCATE(nrank_north)
[1344]	1083	ALLOCATE( nrank_north(ndim_rank_north) )
[869]	1084
[1344]	1085	! Fill the nrank_north array with proc. number of northern procs.
	1086	! Note : the rank start at 0 in MPI
	1087	ii = 0
	1088	DO ji = 1, jpnij
	1089	IF ( njmppt(ji) == njmppmax ) THEN
	1090	ii=ii+1
	1091	nrank_north(ii)=ji-1
	1092	END IF
	1093	END DO
	1094	!
	1095	! create the world group
[9570]	1096	CALL MPI_COMM_GROUP( mpi_comm_oce, ngrp_world, ierr )
[1344]	1097	!
	1098	! Create the North group from the world group
	1099	CALL MPI_GROUP_INCL( ngrp_world, ndim_rank_north, nrank_north, ngrp_north, ierr )
	1100	!
	1101	! Create the North communicator , ie the pool of procs in the north group
[9570]	1102	CALL MPI_COMM_CREATE( mpi_comm_oce, ngrp_north, ncomm_north, ierr )
[1344]	1103	!
	1104	END SUBROUTINE mpp_ini_north
[869]	1105
	1106
[9570]	1107	SUBROUTINE mpi_init_oce( ldtxt, ksft, code )
[1344]	1108	!!---------------------------------------------------------------------
	1109	!! * routine mpp_init.opa *
	1110	!!
	1111	!! ** Purpose :: export and attach a MPI buffer for bsend
	1112	!!
	1113	!! ** Method :: define buffer size in namelist, if 0 no buffer attachment
	1114	!! but classical mpi_init
[3764]	1115	!!
	1116	!! History :: 01/11 :: IDRIS initial version for IBM only
[1344]	1117	!! 08/04 :: R. Benshila, generalisation
	1118	!!---------------------------------------------------------------------
[3764]	1119	CHARACTER(len=*),DIMENSION(:), INTENT( out) :: ldtxt
[2481]	1120	INTEGER , INTENT(inout) :: ksft
	1121	INTEGER , INTENT( out) :: code
	1122	INTEGER :: ierr, ji
	1123	LOGICAL :: mpi_was_called
[1344]	1124	!!---------------------------------------------------------------------
	1125	!
	1126	CALL mpi_initialized( mpi_was_called, code ) ! MPI initialization
[532]	1127	IF ( code /= MPI_SUCCESS ) THEN
[3764]	1128	DO ji = 1, SIZE(ldtxt)
[2481]	1129	IF( TRIM(ldtxt(ji)) /= '' ) WRITE(,) ldtxt(ji) ! control print of mynode
[3764]	1130	END DO
[2481]	1131	WRITE(*, cform_err)
	1132	WRITE(, ) ' lib_mpp: Error in routine mpi_initialized'
[1344]	1133	CALL mpi_abort( mpi_comm_world, code, ierr )
[532]	1134	ENDIF
[1344]	1135	!
	1136	IF( .NOT. mpi_was_called ) THEN
	1137	CALL mpi_init( code )
[9570]	1138	CALL mpi_comm_dup( mpi_comm_world, mpi_comm_oce, code )
[532]	1139	IF ( code /= MPI_SUCCESS ) THEN
[3764]	1140	DO ji = 1, SIZE(ldtxt)
[2481]	1141	IF( TRIM(ldtxt(ji)) /= '' ) WRITE(,) ldtxt(ji) ! control print of mynode
	1142	END DO
	1143	WRITE(*, cform_err)
	1144	WRITE(, ) ' lib_mpp: Error in routine mpi_comm_dup'
[532]	1145	CALL mpi_abort( mpi_comm_world, code, ierr )
	1146	ENDIF
	1147	ENDIF
[1344]	1148	!
[897]	1149	IF( nn_buffer > 0 ) THEN
[2481]	1150	WRITE(ldtxt(ksft),*) 'mpi_bsend, buffer allocation of : ', nn_buffer ; ksft = ksft + 1
[897]	1151	! Buffer allocation and attachment
[2481]	1152	ALLOCATE( tampon(nn_buffer), stat = ierr )
[3764]	1153	IF( ierr /= 0 ) THEN
	1154	DO ji = 1, SIZE(ldtxt)
[2481]	1155	IF( TRIM(ldtxt(ji)) /= '' ) WRITE(,) ldtxt(ji) ! control print of mynode
	1156	END DO
	1157	WRITE(*, cform_err)
	1158	WRITE(, ) ' lib_mpp: Error in ALLOCATE', ierr
	1159	CALL mpi_abort( mpi_comm_world, code, ierr )
	1160	END IF
	1161	CALL mpi_buffer_attach( tampon, nn_buffer, code )
[897]	1162	ENDIF
[1344]	1163	!
[9570]	1164	END SUBROUTINE mpi_init_oce
[3]	1165
[9019]	1166
	1167	SUBROUTINE DDPDD_MPI( ydda, yddb, ilen, itype )
[1976]	1168	!!---------------------------------------------------------------------
	1169	!! Routine DDPDD_MPI: used by reduction operator MPI_SUMDD
	1170	!!
	1171	!! Modification of original codes written by David H. Bailey
	1172	!! This subroutine computes yddb(i) = ydda(i)+yddb(i)
	1173	!!---------------------------------------------------------------------
[9019]	1174	INTEGER , INTENT(in) :: ilen, itype
	1175	COMPLEX(wp), DIMENSION(ilen), INTENT(in) :: ydda
	1176	COMPLEX(wp), DIMENSION(ilen), INTENT(inout) :: yddb
[1976]	1177	!
	1178	REAL(wp) :: zerr, zt1, zt2 ! local work variables
[9019]	1179	INTEGER :: ji, ztmp ! local scalar
	1180	!!---------------------------------------------------------------------
	1181	!
[1976]	1182	ztmp = itype ! avoid compilation warning
[9019]	1183	!
[1976]	1184	DO ji=1,ilen
	1185	! Compute ydda + yddb using Knuth's trick.
	1186	zt1 = real(ydda(ji)) + real(yddb(ji))
	1187	zerr = zt1 - real(ydda(ji))
	1188	zt2 = ((real(yddb(ji)) - zerr) + (real(ydda(ji)) - (zt1 - zerr))) &
	1189	+ aimag(ydda(ji)) + aimag(yddb(ji))
	1190
	1191	! The result is zt1 + zt2, after normalization.
	1192	yddb(ji) = cmplx ( zt1 + zt2, zt2 - ((zt1 + zt2) - zt1),wp )
	1193	END DO
[9019]	1194	!
[1976]	1195	END SUBROUTINE DDPDD_MPI
	1196
[6140]	1197
[9019]	1198	SUBROUTINE mpp_lbc_north_icb( pt2d, cd_type, psgn, kextj)
[4990]	1199	!!---------------------------------------------------------------------
	1200	!! * routine mpp_lbc_north_icb *
	1201	!!
	1202	!! ** Purpose : Ensure proper north fold horizontal bondary condition
	1203	!! in mpp configuration in case of jpn1 > 1 and for 2d
	1204	!! array with outer extra halo
	1205	!!
	1206	!! ** Method : North fold condition and mpp with more than one proc
	1207	!! in i-direction require a specific treatment. We gather
[9019]	1208	!! the 4+kextj northern lines of the global domain on 1
[4990]	1209	!! processor and apply lbc north-fold on this sub array.
	1210	!! Then we scatter the north fold array back to the processors.
[9019]	1211	!! This routine accounts for an extra halo with icebergs
	1212	!! and assumes ghost rows and columns have been suppressed.
[4990]	1213	!!
	1214	!!----------------------------------------------------------------------
	1215	REAL(wp), DIMENSION(:,:), INTENT(inout) :: pt2d ! 2D array with extra halo
	1216	CHARACTER(len=1) , INTENT(in ) :: cd_type ! nature of pt3d grid-points
	1217	! ! = T , U , V , F or W -points
	1218	REAL(wp) , INTENT(in ) :: psgn ! = -1. the sign change across the
	1219	!! ! north fold, = 1. otherwise
[9019]	1220	INTEGER , INTENT(in ) :: kextj ! Extra halo width at north fold
[6140]	1221	!
[4990]	1222	INTEGER :: ji, jj, jr
	1223	INTEGER :: ierr, itaille, ildi, ilei, iilb
[9019]	1224	INTEGER :: ipj, ij, iproc
[4990]	1225	!
	1226	REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: ztab_e, znorthloc_e
	1227	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: znorthgloio_e
	1228	!!----------------------------------------------------------------------
	1229	!
[9019]	1230	ipj=4
[9467]	1231	ALLOCATE( ztab_e(jpiglo, 1-kextj:ipj+kextj) , &
	1232	& znorthloc_e(jpimax, 1-kextj:ipj+kextj) , &
	1233	& znorthgloio_e(jpimax, 1-kextj:ipj+kextj,jpni) )
[4990]	1234	!
[9019]	1235	ztab_e(:,:) = 0._wp
	1236	znorthloc_e(:,:) = 0._wp
[6140]	1237	!
[9467]	1238	ij = 1 - kextj
	1239	! put the last ipj+2*kextj lines of pt2d into znorthloc_e
	1240	DO jj = jpj - ipj + 1 - kextj , jpj + kextj
	1241	znorthloc_e(1:jpi,ij)=pt2d(1:jpi,jj)
[4990]	1242	ij = ij + 1
	1243	END DO
	1244	!
[9467]	1245	itaille = jpimax * ( ipj + 2*kextj )
	1246	CALL MPI_ALLGATHER( znorthloc_e(1,1-kextj) , itaille, MPI_DOUBLE_PRECISION, &
	1247	& znorthgloio_e(1,1-kextj,1), itaille, MPI_DOUBLE_PRECISION, &
	1248	& ncomm_north, ierr )
[4990]	1249	!
	1250	DO jr = 1, ndim_rank_north ! recover the global north array
	1251	iproc = nrank_north(jr) + 1
	1252	ildi = nldit (iproc)
	1253	ilei = nleit (iproc)
	1254	iilb = nimppt(iproc)
[9467]	1255	DO jj = 1-kextj, ipj+kextj
[4990]	1256	DO ji = ildi, ilei
	1257	ztab_e(ji+iilb-1,jj) = znorthgloio_e(ji,jj,jr)
	1258	END DO
	1259	END DO
	1260	END DO
	1261
	1262	! 2. North-Fold boundary conditions
	1263	! ----------------------------------
[9467]	1264	CALL lbc_nfd( ztab_e(:,1-kextj:ipj+kextj), cd_type, psgn, kextj )
[4990]	1265
[9467]	1266	ij = 1 - kextj
[4990]	1267	!! Scatter back to pt2d
[9467]	1268	DO jj = jpj - ipj + 1 - kextj , jpj + kextj
[9019]	1269	DO ji= 1, jpi
[4990]	1270	pt2d(ji,jj) = ztab_e(ji+nimpp-1,ij)
	1271	END DO
[9467]	1272	ij = ij +1
[4990]	1273	END DO
	1274	!
	1275	DEALLOCATE( ztab_e, znorthloc_e, znorthgloio_e )
	1276	!
	1277	END SUBROUTINE mpp_lbc_north_icb
	1278
[6140]	1279
[9019]	1280	SUBROUTINE mpp_lnk_2d_icb( pt2d, cd_type, psgn, kexti, kextj )
[4990]	1281	!!----------------------------------------------------------------------
	1282	!! * routine mpp_lnk_2d_icb *
	1283	!!
[9019]	1284	!! ** Purpose : Message passing management for 2d array (with extra halo for icebergs)
	1285	!! This routine receives a (1-kexti:jpi+kexti,1-kexti:jpj+kextj)
	1286	!! array (usually (0:jpi+1, 0:jpj+1)) from lbc_lnk_icb calls.
[4990]	1287	!!
	1288	!! ** Method : Use mppsend and mpprecv function for passing mask
	1289	!! between processors following neighboring subdomains.
	1290	!! domain parameters
[9019]	1291	!! jpi : first dimension of the local subdomain
	1292	!! jpj : second dimension of the local subdomain
	1293	!! kexti : number of columns for extra outer halo
	1294	!! kextj : number of rows for extra outer halo
[4990]	1295	!! nbondi : mark for "east-west local boundary"
	1296	!! nbondj : mark for "north-south local boundary"
	1297	!! noea : number for local neighboring processors
	1298	!! nowe : number for local neighboring processors
	1299	!! noso : number for local neighboring processors
	1300	!! nono : number for local neighboring processors
	1301	!!----------------------------------------------------------------------
[9019]	1302	REAL(wp), DIMENSION(1-kexti:jpi+kexti,1-kextj:jpj+kextj), INTENT(inout) :: pt2d ! 2D array with extra halo
	1303	CHARACTER(len=1) , INTENT(in ) :: cd_type ! nature of ptab array grid-points
	1304	REAL(wp) , INTENT(in ) :: psgn ! sign used across the north fold
	1305	INTEGER , INTENT(in ) :: kexti ! extra i-halo width
	1306	INTEGER , INTENT(in ) :: kextj ! extra j-halo width
	1307	!
[4990]	1308	INTEGER :: jl ! dummy loop indices
[9019]	1309	INTEGER :: imigr, iihom, ijhom ! local integers
	1310	INTEGER :: ipreci, iprecj ! - -
[4990]	1311	INTEGER :: ml_req1, ml_req2, ml_err ! for key_mpi_isend
	1312	INTEGER, DIMENSION(MPI_STATUS_SIZE) :: ml_stat ! for key_mpi_isend
	1313	!!
[9019]	1314	REAL(wp), DIMENSION(1-kexti:jpi+kexti,nn_hls+kextj,2) :: r2dns, r2dsn
	1315	REAL(wp), DIMENSION(1-kextj:jpj+kextj,nn_hls+kexti,2) :: r2dwe, r2dew
[4990]	1316	!!----------------------------------------------------------------------
	1317
[9019]	1318	ipreci = nn_hls + kexti ! take into account outer extra 2D overlap area
	1319	iprecj = nn_hls + kextj
[4990]	1320
	1321
	1322	! 1. standard boundary treatment
	1323	! ------------------------------
	1324	! Order matters Here !!!!
	1325	!
	1326	! ! East-West boundaries
	1327	! !* Cyclic east-west
[9667]	1328	IF( l_Iperio ) THEN
	1329	pt2d(1-kexti: 1 ,:) = pt2d(jpim1-kexti: jpim1 ,:) ! east
	1330	pt2d( jpi :jpi+kexti,:) = pt2d( 2 :2+kexti,:) ! west
[4990]	1331	!
	1332	ELSE !* closed
[9667]	1333	IF( .NOT. cd_type == 'F' ) pt2d( 1-kexti :nn_hls ,:) = 0._wp ! east except at F-point
	1334	pt2d(jpi-nn_hls+1:jpi+kexti,:) = 0._wp ! west
[4990]	1335	ENDIF
[9667]	1336	! ! North-South boundaries
	1337	IF( l_Jperio ) THEN !* cyclic (only with no mpp j-split)
	1338	pt2d(:,1-kextj: 1 ) = pt2d(:,jpjm1-kextj: jpjm1) ! north
	1339	pt2d(:, jpj :jpj+kextj) = pt2d(:, 2 :2+kextj) ! south
	1340	ELSE !* closed
	1341	IF( .NOT. cd_type == 'F' ) pt2d(:, 1-kextj :nn_hls ) = 0._wp ! north except at F-point
	1342	pt2d(:,jpj-nn_hls+1:jpj+kextj) = 0._wp ! south
	1343	ENDIF
[4990]	1344	!
	1345
	1346	! north fold treatment
	1347	! -----------------------
	1348	IF( npolj /= 0 ) THEN
	1349	!
	1350	SELECT CASE ( jpni )
[9019]	1351	CASE ( 1 ) ; CALL lbc_nfd ( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj )
	1352	CASE DEFAULT ; CALL mpp_lbc_north_icb( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj )
[4990]	1353	END SELECT
	1354	!
	1355	ENDIF
	1356
	1357	! 2. East and west directions exchange
	1358	! ------------------------------------
	1359	! we play with the neigbours AND the row number because of the periodicity
	1360	!
	1361	SELECT CASE ( nbondi ) ! Read Dirichlet lateral conditions
	1362	CASE ( -1, 0, 1 ) ! all exept 2 (i.e. close case)
[9019]	1363	iihom = jpi-nreci-kexti
[4990]	1364	DO jl = 1, ipreci
[9019]	1365	r2dew(:,jl,1) = pt2d(nn_hls+jl,:)
[4990]	1366	r2dwe(:,jl,1) = pt2d(iihom +jl,:)
	1367	END DO
	1368	END SELECT
	1369	!
	1370	! ! Migrations
[9019]	1371	imigr = ipreci * ( jpj + 2*kextj )
[4990]	1372	!
	1373	SELECT CASE ( nbondi )
	1374	CASE ( -1 )
[9019]	1375	CALL mppsend( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req1 )
	1376	CALL mpprecv( 1, r2dew(1-kextj,1,2), imigr, noea )
[4990]	1377	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1378	CASE ( 0 )
[9019]	1379	CALL mppsend( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 )
	1380	CALL mppsend( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req2 )
	1381	CALL mpprecv( 1, r2dew(1-kextj,1,2), imigr, noea )
	1382	CALL mpprecv( 2, r2dwe(1-kextj,1,2), imigr, nowe )
[4990]	1383	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1384	IF(l_isend) CALL mpi_wait(ml_req2,ml_stat,ml_err)
	1385	CASE ( 1 )
[9019]	1386	CALL mppsend( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 )
	1387	CALL mpprecv( 2, r2dwe(1-kextj,1,2), imigr, nowe )
[4990]	1388	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1389	END SELECT
	1390	!
	1391	! ! Write Dirichlet lateral conditions
[9019]	1392	iihom = jpi - nn_hls
[4990]	1393	!
	1394	SELECT CASE ( nbondi )
	1395	CASE ( -1 )
	1396	DO jl = 1, ipreci
	1397	pt2d(iihom+jl,:) = r2dew(:,jl,2)
	1398	END DO
	1399	CASE ( 0 )
	1400	DO jl = 1, ipreci
[9019]	1401	pt2d(jl-kexti,:) = r2dwe(:,jl,2)
	1402	pt2d(iihom+jl,:) = r2dew(:,jl,2)
[4990]	1403	END DO
	1404	CASE ( 1 )
	1405	DO jl = 1, ipreci
[9019]	1406	pt2d(jl-kexti,:) = r2dwe(:,jl,2)
[4990]	1407	END DO
	1408	END SELECT
	1409
	1410
	1411	! 3. North and south directions
	1412	! -----------------------------
	1413	! always closed : we play only with the neigbours
	1414	!
	1415	IF( nbondj /= 2 ) THEN ! Read Dirichlet lateral conditions
[9019]	1416	ijhom = jpj-nrecj-kextj
[4990]	1417	DO jl = 1, iprecj
	1418	r2dsn(:,jl,1) = pt2d(:,ijhom +jl)
[9019]	1419	r2dns(:,jl,1) = pt2d(:,nn_hls+jl)
[4990]	1420	END DO
	1421	ENDIF
	1422	!
	1423	! ! Migrations
[9019]	1424	imigr = iprecj * ( jpi + 2*kexti )
[4990]	1425	!
	1426	SELECT CASE ( nbondj )
	1427	CASE ( -1 )
[9019]	1428	CALL mppsend( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req1 )
	1429	CALL mpprecv( 3, r2dns(1-kexti,1,2), imigr, nono )
[4990]	1430	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1431	CASE ( 0 )
[9019]	1432	CALL mppsend( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 )
	1433	CALL mppsend( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req2 )
	1434	CALL mpprecv( 3, r2dns(1-kexti,1,2), imigr, nono )
	1435	CALL mpprecv( 4, r2dsn(1-kexti,1,2), imigr, noso )
[4990]	1436	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1437	IF(l_isend) CALL mpi_wait(ml_req2,ml_stat,ml_err)
	1438	CASE ( 1 )
[9019]	1439	CALL mppsend( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 )
	1440	CALL mpprecv( 4, r2dsn(1-kexti,1,2), imigr, noso )
[4990]	1441	IF(l_isend) CALL mpi_wait(ml_req1,ml_stat,ml_err)
	1442	END SELECT
	1443	!
	1444	! ! Write Dirichlet lateral conditions
[9019]	1445	ijhom = jpj - nn_hls
[4990]	1446	!
	1447	SELECT CASE ( nbondj )
	1448	CASE ( -1 )
	1449	DO jl = 1, iprecj
	1450	pt2d(:,ijhom+jl) = r2dns(:,jl,2)
	1451	END DO
	1452	CASE ( 0 )
	1453	DO jl = 1, iprecj
[9019]	1454	pt2d(:,jl-kextj) = r2dsn(:,jl,2)
	1455	pt2d(:,ijhom+jl) = r2dns(:,jl,2)
[4990]	1456	END DO
	1457	CASE ( 1 )
	1458	DO jl = 1, iprecj
[9019]	1459	pt2d(:,jl-kextj) = r2dsn(:,jl,2)
[4990]	1460	END DO
	1461	END SELECT
[9019]	1462	!
[4990]	1463	END SUBROUTINE mpp_lnk_2d_icb
[10172]	1464
[6140]	1465
[10172]	1466	SUBROUTINE tic_tac (l_tic)
	1467
	1468	LOGICAL, INTENT(IN) :: l_tic
	1469	REAL(wp), SAVE :: tic_wt, tic_ct = 0._wp
	1470
	1471	IF( ncom_stp <= nit000 ) RETURN
	1472	IF( ncom_stp == nitend ) RETURN
	1473
	1474	#if defined key_mpp_mpi
	1475	IF ( l_tic ) THEN
	1476	tic_wt = MPI_Wtime() ! start count tic->tac (waiting time)
	1477	IF ( tic_ct > 0.0_wp ) compute_time = compute_time + MPI_Wtime() - tic_ct ! cumulate count tac->tic
	1478	ELSE
	1479	waiting_time = waiting_time + MPI_Wtime() - tic_wt ! cumulate count tic->tac
	1480	tic_ct = MPI_Wtime() ! start count tac->tic (waiting time)
	1481	ENDIF
	1482	#endif
	1483
	1484	END SUBROUTINE tic_tac
	1485
	1486
[13]	1487	#else
	1488	!!----------------------------------------------------------------------
	1489	!! Default case: Dummy module share memory computing
	1490	!!----------------------------------------------------------------------
[2715]	1491	USE in_out_manager
[1976]	1492
[13]	1493	INTERFACE mpp_sum
[3294]	1494	MODULE PROCEDURE mpp_sum_a2s, mpp_sum_as, mpp_sum_ai, mpp_sum_s, mpp_sum_i, mppsum_realdd, mppsum_a_realdd
[13]	1495	END INTERFACE
	1496	INTERFACE mpp_max
[681]	1497	MODULE PROCEDURE mppmax_a_int, mppmax_int, mppmax_a_real, mppmax_real
[13]	1498	END INTERFACE
	1499	INTERFACE mpp_min
	1500	MODULE PROCEDURE mppmin_a_int, mppmin_int, mppmin_a_real, mppmin_real
	1501	END INTERFACE
[1344]	1502	INTERFACE mpp_minloc
	1503	MODULE PROCEDURE mpp_minloc2d ,mpp_minloc3d
	1504	END INTERFACE
	1505	INTERFACE mpp_maxloc
	1506	MODULE PROCEDURE mpp_maxloc2d ,mpp_maxloc3d
	1507	END INTERFACE
[9019]	1508	INTERFACE mpp_max_multiple
	1509	MODULE PROCEDURE mppmax_real_multiple
	1510	END INTERFACE
[3]	1511
[13]	1512	LOGICAL, PUBLIC, PARAMETER :: lk_mpp = .FALSE. !: mpp flag
[4147]	1513	LOGICAL, PUBLIC :: ln_nnogather !: namelist control of northfold comms (needed here in case "key_mpp_mpi" is not used)
[9570]	1514	INTEGER, PUBLIC :: mpi_comm_oce ! opa local communicator
[2715]	1515	!!----------------------------------------------------------------------
[13]	1516	CONTAINS
[3]	1517
[2715]	1518	INTEGER FUNCTION lib_mpp_alloc(kumout) ! Dummy function
	1519	INTEGER, INTENT(in) :: kumout
	1520	lib_mpp_alloc = 0
	1521	END FUNCTION lib_mpp_alloc
	1522
[5407]	1523	FUNCTION mynode( ldtxt, ldname, kumnam_ref, knumnam_cfg, kumond , kstop, localComm ) RESULT (function_value)
[1579]	1524	INTEGER, OPTIONAL , INTENT(in ) :: localComm
[3764]	1525	CHARACTER(len=*),DIMENSION(:) :: ldtxt
[5407]	1526	CHARACTER(len=*) :: ldname
[4314]	1527	INTEGER :: kumnam_ref, knumnam_cfg , kumond , kstop
[9570]	1528	IF( PRESENT( localComm ) ) mpi_comm_oce = localComm
[5412]	1529	function_value = 0
[1579]	1530	IF( .FALSE. ) ldtxt(:) = 'never done'
[5407]	1531	CALL ctl_opn( kumond, TRIM(ldname), 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE. , 1 )
[13]	1532	END FUNCTION mynode
[3]	1533
[13]	1534	SUBROUTINE mppsync ! Dummy routine
	1535	END SUBROUTINE mppsync
[3]	1536
[869]	1537	SUBROUTINE mpp_sum_as( parr, kdim, kcom ) ! Dummy routine
[13]	1538	REAL , DIMENSION(:) :: parr
	1539	INTEGER :: kdim
[3764]	1540	INTEGER, OPTIONAL :: kcom
[869]	1541	WRITE(,) 'mpp_sum_as: You should not have seen this print! error?', kdim, parr(1), kcom
[13]	1542	END SUBROUTINE mpp_sum_as
[3]	1543
[869]	1544	SUBROUTINE mpp_sum_a2s( parr, kdim, kcom ) ! Dummy routine
[13]	1545	REAL , DIMENSION(:,:) :: parr
	1546	INTEGER :: kdim
[3764]	1547	INTEGER, OPTIONAL :: kcom
[869]	1548	WRITE(,) 'mpp_sum_a2s: You should not have seen this print! error?', kdim, parr(1,1), kcom
[13]	1549	END SUBROUTINE mpp_sum_a2s
[3]	1550
[869]	1551	SUBROUTINE mpp_sum_ai( karr, kdim, kcom ) ! Dummy routine
[13]	1552	INTEGER, DIMENSION(:) :: karr
	1553	INTEGER :: kdim
[3764]	1554	INTEGER, OPTIONAL :: kcom
[869]	1555	WRITE(,) 'mpp_sum_ai: You should not have seen this print! error?', kdim, karr(1), kcom
[13]	1556	END SUBROUTINE mpp_sum_ai
[3]	1557
[869]	1558	SUBROUTINE mpp_sum_s( psca, kcom ) ! Dummy routine
[13]	1559	REAL :: psca
[3764]	1560	INTEGER, OPTIONAL :: kcom
[869]	1561	WRITE(,) 'mpp_sum_s: You should not have seen this print! error?', psca, kcom
[13]	1562	END SUBROUTINE mpp_sum_s
[2480]	1563
[869]	1564	SUBROUTINE mpp_sum_i( kint, kcom ) ! Dummy routine
[13]	1565	integer :: kint
[3764]	1566	INTEGER, OPTIONAL :: kcom
[869]	1567	WRITE(,) 'mpp_sum_i: You should not have seen this print! error?', kint, kcom
[13]	1568	END SUBROUTINE mpp_sum_i
	1569
[3294]	1570	SUBROUTINE mppsum_realdd( ytab, kcom )
	1571	COMPLEX(wp), INTENT(inout) :: ytab ! input scalar
	1572	INTEGER , INTENT( in ), OPTIONAL :: kcom
	1573	WRITE(,) 'mppsum_realdd: You should not have seen this print! error?', ytab
	1574	END SUBROUTINE mppsum_realdd
[3764]	1575
[3294]	1576	SUBROUTINE mppsum_a_realdd( ytab, kdim, kcom )
	1577	INTEGER , INTENT( in ) :: kdim ! size of ytab
	1578	COMPLEX(wp), DIMENSION(kdim), INTENT( inout ) :: ytab ! input array
	1579	INTEGER , INTENT( in ), OPTIONAL :: kcom
	1580	WRITE(,) 'mppsum_a_realdd: You should not have seen this print! error?', kdim, ytab(1), kcom
	1581	END SUBROUTINE mppsum_a_realdd
	1582
[869]	1583	SUBROUTINE mppmax_a_real( parr, kdim, kcom )
[13]	1584	REAL , DIMENSION(:) :: parr
	1585	INTEGER :: kdim
[3764]	1586	INTEGER, OPTIONAL :: kcom
[869]	1587	WRITE(,) 'mppmax_a_real: You should not have seen this print! error?', kdim, parr(1), kcom
[13]	1588	END SUBROUTINE mppmax_a_real
	1589
[869]	1590	SUBROUTINE mppmax_real( psca, kcom )
[13]	1591	REAL :: psca
[3764]	1592	INTEGER, OPTIONAL :: kcom
[869]	1593	WRITE(,) 'mppmax_real: You should not have seen this print! error?', psca, kcom
[13]	1594	END SUBROUTINE mppmax_real
	1595
[869]	1596	SUBROUTINE mppmin_a_real( parr, kdim, kcom )
[13]	1597	REAL , DIMENSION(:) :: parr
	1598	INTEGER :: kdim
[3764]	1599	INTEGER, OPTIONAL :: kcom
[869]	1600	WRITE(,) 'mppmin_a_real: You should not have seen this print! error?', kdim, parr(1), kcom
[13]	1601	END SUBROUTINE mppmin_a_real
	1602
[869]	1603	SUBROUTINE mppmin_real( psca, kcom )
[13]	1604	REAL :: psca
[3764]	1605	INTEGER, OPTIONAL :: kcom
[869]	1606	WRITE(,) 'mppmin_real: You should not have seen this print! error?', psca, kcom
[13]	1607	END SUBROUTINE mppmin_real
	1608
[869]	1609	SUBROUTINE mppmax_a_int( karr, kdim ,kcom)
[681]	1610	INTEGER, DIMENSION(:) :: karr
	1611	INTEGER :: kdim
[3764]	1612	INTEGER, OPTIONAL :: kcom
[888]	1613	WRITE(,) 'mppmax_a_int: You should not have seen this print! error?', kdim, karr(1), kcom
[681]	1614	END SUBROUTINE mppmax_a_int
	1615
[869]	1616	SUBROUTINE mppmax_int( kint, kcom)
[681]	1617	INTEGER :: kint
[3764]	1618	INTEGER, OPTIONAL :: kcom
[869]	1619	WRITE(,) 'mppmax_int: You should not have seen this print! error?', kint, kcom
[681]	1620	END SUBROUTINE mppmax_int
	1621
[869]	1622	SUBROUTINE mppmin_a_int( karr, kdim, kcom )
[13]	1623	INTEGER, DIMENSION(:) :: karr
	1624	INTEGER :: kdim
[3764]	1625	INTEGER, OPTIONAL :: kcom
[869]	1626	WRITE(,) 'mppmin_a_int: You should not have seen this print! error?', kdim, karr(1), kcom
[13]	1627	END SUBROUTINE mppmin_a_int
	1628
[869]	1629	SUBROUTINE mppmin_int( kint, kcom )
[13]	1630	INTEGER :: kint
[3764]	1631	INTEGER, OPTIONAL :: kcom
[869]	1632	WRITE(,) 'mppmin_int: You should not have seen this print! error?', kint, kcom
[13]	1633	END SUBROUTINE mppmin_int
	1634
[1344]	1635	SUBROUTINE mpp_minloc2d( ptab, pmask, pmin, ki, kj )
[181]	1636	REAL :: pmin
	1637	REAL , DIMENSION (:,:) :: ptab, pmask
	1638	INTEGER :: ki, kj
[1528]	1639	WRITE(,) 'mpp_minloc2d: You should not have seen this print! error?', pmin, ki, kj, ptab(1,1), pmask(1,1)
[181]	1640	END SUBROUTINE mpp_minloc2d
	1641
[1344]	1642	SUBROUTINE mpp_minloc3d( ptab, pmask, pmin, ki, kj, kk )
[181]	1643	REAL :: pmin
	1644	REAL , DIMENSION (:,:,:) :: ptab, pmask
	1645	INTEGER :: ki, kj, kk
[1528]	1646	WRITE(,) 'mpp_minloc3d: You should not have seen this print! error?', pmin, ki, kj, kk, ptab(1,1,1), pmask(1,1,1)
[181]	1647	END SUBROUTINE mpp_minloc3d
	1648
[1344]	1649	SUBROUTINE mpp_maxloc2d( ptab, pmask, pmax, ki, kj )
[181]	1650	REAL :: pmax
	1651	REAL , DIMENSION (:,:) :: ptab, pmask
	1652	INTEGER :: ki, kj
[1528]	1653	WRITE(,) 'mpp_maxloc2d: You should not have seen this print! error?', pmax, ki, kj, ptab(1,1), pmask(1,1)
[181]	1654	END SUBROUTINE mpp_maxloc2d
	1655
[1344]	1656	SUBROUTINE mpp_maxloc3d( ptab, pmask, pmax, ki, kj, kk )
[181]	1657	REAL :: pmax
	1658	REAL , DIMENSION (:,:,:) :: ptab, pmask
	1659	INTEGER :: ki, kj, kk
[1528]	1660	WRITE(,) 'mpp_maxloc3d: You should not have seen this print! error?', pmax, ki, kj, kk, ptab(1,1,1), pmask(1,1,1)
[181]	1661	END SUBROUTINE mpp_maxloc3d
	1662
[10292]	1663	SUBROUTINE mpp_ilor( ld_switch, ldlast, kcom )
	1664	LOGICAL, INTENT(in ), DIMENSION(2) :: ld_switch
	1665	LOGICAL, INTENT(in ), OPTIONAL :: ldlast
	1666	INTEGER, INTENT(in ), OPTIONAL :: kcom ! ???
	1667	WRITE(,) 'mpp_ilor: You should not have seen this print! error?', ld_switch
	1668	END SUBROUTINE mpp_ilor
	1669
[51]	1670	SUBROUTINE mppstop
[3799]	1671	STOP ! non MPP case, just stop the run
[51]	1672	END SUBROUTINE mppstop
	1673
[2715]	1674	SUBROUTINE mpp_ini_znl( knum )
	1675	INTEGER :: knum
	1676	WRITE(,) 'mpp_ini_znl: You should not have seen this print! error?', knum
[1345]	1677	END SUBROUTINE mpp_ini_znl
	1678
[1344]	1679	SUBROUTINE mpp_comm_free( kcom )
[869]	1680	INTEGER :: kcom
[1344]	1681	WRITE(,) 'mpp_comm_free: You should not have seen this print! error?', kcom
[869]	1682	END SUBROUTINE mpp_comm_free
[9019]	1683
	1684	SUBROUTINE mppmax_real_multiple( ptab, kdim , kcom )
	1685	REAL, DIMENSION(:) :: ptab !
	1686	INTEGER :: kdim !
	1687	INTEGER, OPTIONAL :: kcom !
	1688	WRITE(,) 'mppmax_real_multiple: You should not have seen this print! error?', ptab(1), kdim
	1689	END SUBROUTINE mppmax_real_multiple
	1690
[3]	1691	#endif
[2715]	1692
[13]	1693	!!----------------------------------------------------------------------
[4147]	1694	!! All cases: ctl_stop, ctl_warn, get_unit, ctl_opn, ctl_nam routines
[2715]	1695	!!----------------------------------------------------------------------
	1696
	1697	SUBROUTINE ctl_stop( cd1, cd2, cd3, cd4, cd5 , &
	1698	& cd6, cd7, cd8, cd9, cd10 )
	1699	!!----------------------------------------------------------------------
	1700	!! * ROUTINE stop_opa *
	1701	!!
[3764]	1702	!! ** Purpose : print in ocean.outpput file a error message and
[2715]	1703	!! increment the error number (nstop) by one.
	1704	!!----------------------------------------------------------------------
	1705	CHARACTER(len=*), INTENT(in), OPTIONAL :: cd1, cd2, cd3, cd4, cd5
	1706	CHARACTER(len=*), INTENT(in), OPTIONAL :: cd6, cd7, cd8, cd9, cd10
	1707	!!----------------------------------------------------------------------
	1708	!
[3764]	1709	nstop = nstop + 1
[2715]	1710	IF(lwp) THEN
	1711	WRITE(numout,cform_err)
	1712	IF( PRESENT(cd1 ) ) WRITE(numout,*) cd1
	1713	IF( PRESENT(cd2 ) ) WRITE(numout,*) cd2
	1714	IF( PRESENT(cd3 ) ) WRITE(numout,*) cd3
	1715	IF( PRESENT(cd4 ) ) WRITE(numout,*) cd4
	1716	IF( PRESENT(cd5 ) ) WRITE(numout,*) cd5
	1717	IF( PRESENT(cd6 ) ) WRITE(numout,*) cd6
	1718	IF( PRESENT(cd7 ) ) WRITE(numout,*) cd7
	1719	IF( PRESENT(cd8 ) ) WRITE(numout,*) cd8
	1720	IF( PRESENT(cd9 ) ) WRITE(numout,*) cd9
	1721	IF( PRESENT(cd10) ) WRITE(numout,*) cd10
	1722	ENDIF
	1723	CALL FLUSH(numout )
	1724	IF( numstp /= -1 ) CALL FLUSH(numstp )
[9019]	1725	IF( numrun /= -1 ) CALL FLUSH(numrun )
[2715]	1726	IF( numevo_ice /= -1 ) CALL FLUSH(numevo_ice)
	1727	!
	1728	IF( cd1 == 'STOP' ) THEN
	1729	IF(lwp) WRITE(numout,*) 'huge E-R-R-O-R : immediate stop'
	1730	CALL mppstop()
	1731	ENDIF
	1732	!
	1733	END SUBROUTINE ctl_stop
	1734
	1735
	1736	SUBROUTINE ctl_warn( cd1, cd2, cd3, cd4, cd5, &
	1737	& cd6, cd7, cd8, cd9, cd10 )
	1738	!!----------------------------------------------------------------------
	1739	!! * ROUTINE stop_warn *
	1740	!!
[3764]	1741	!! ** Purpose : print in ocean.outpput file a error message and
[2715]	1742	!! increment the warning number (nwarn) by one.
	1743	!!----------------------------------------------------------------------
	1744	CHARACTER(len=*), INTENT(in), OPTIONAL :: cd1, cd2, cd3, cd4, cd5
	1745	CHARACTER(len=*), INTENT(in), OPTIONAL :: cd6, cd7, cd8, cd9, cd10
	1746	!!----------------------------------------------------------------------
[3764]	1747	!
	1748	nwarn = nwarn + 1
[2715]	1749	IF(lwp) THEN
	1750	WRITE(numout,cform_war)
	1751	IF( PRESENT(cd1 ) ) WRITE(numout,*) cd1
	1752	IF( PRESENT(cd2 ) ) WRITE(numout,*) cd2
	1753	IF( PRESENT(cd3 ) ) WRITE(numout,*) cd3
	1754	IF( PRESENT(cd4 ) ) WRITE(numout,*) cd4
	1755	IF( PRESENT(cd5 ) ) WRITE(numout,*) cd5
	1756	IF( PRESENT(cd6 ) ) WRITE(numout,*) cd6
	1757	IF( PRESENT(cd7 ) ) WRITE(numout,*) cd7
	1758	IF( PRESENT(cd8 ) ) WRITE(numout,*) cd8
	1759	IF( PRESENT(cd9 ) ) WRITE(numout,*) cd9
	1760	IF( PRESENT(cd10) ) WRITE(numout,*) cd10
	1761	ENDIF
	1762	CALL FLUSH(numout)
	1763	!
	1764	END SUBROUTINE ctl_warn
	1765
	1766
	1767	SUBROUTINE ctl_opn( knum, cdfile, cdstat, cdform, cdacce, klengh, kout, ldwp, karea )
	1768	!!----------------------------------------------------------------------
	1769	!! * ROUTINE ctl_opn *
	1770	!!
	1771	!! ** Purpose : Open file and check if required file is available.
	1772	!!
	1773	!! ** Method : Fortan open
	1774	!!----------------------------------------------------------------------
	1775	INTEGER , INTENT( out) :: knum ! logical unit to open
	1776	CHARACTER(len=*) , INTENT(in ) :: cdfile ! file name to open
	1777	CHARACTER(len=*) , INTENT(in ) :: cdstat ! disposition specifier
	1778	CHARACTER(len=*) , INTENT(in ) :: cdform ! formatting specifier
	1779	CHARACTER(len=*) , INTENT(in ) :: cdacce ! access specifier
	1780	INTEGER , INTENT(in ) :: klengh ! record length
	1781	INTEGER , INTENT(in ) :: kout ! number of logical units for write
	1782	LOGICAL , INTENT(in ) :: ldwp ! boolean term for print
	1783	INTEGER, OPTIONAL, INTENT(in ) :: karea ! proc number
[5836]	1784	!
[2715]	1785	CHARACTER(len=80) :: clfile
	1786	INTEGER :: iost
	1787	!!----------------------------------------------------------------------
[5836]	1788	!
[2715]	1789	! adapt filename
	1790	! ----------------
	1791	clfile = TRIM(cdfile)
	1792	IF( PRESENT( karea ) ) THEN
	1793	IF( karea > 1 ) WRITE(clfile, "(a,'_',i4.4)") TRIM(clfile), karea-1
	1794	ENDIF
	1795	#if defined key_agrif
	1796	IF( .NOT. Agrif_Root() ) clfile = TRIM(Agrif_CFixed())//'_'//TRIM(clfile)
	1797	knum=Agrif_Get_Unit()
	1798	#else
	1799	knum=get_unit()
	1800	#endif
[5836]	1801	!
[2715]	1802	iost=0
	1803	IF( cdacce(1:6) == 'DIRECT' ) THEN
	1804	OPEN( UNIT=knum, FILE=clfile, FORM=cdform, ACCESS=cdacce, STATUS=cdstat, RECL=klengh, ERR=100, IOSTAT=iost )
	1805	ELSE
	1806	OPEN( UNIT=knum, FILE=clfile, FORM=cdform, ACCESS=cdacce, STATUS=cdstat , ERR=100, IOSTAT=iost )
	1807	ENDIF
	1808	IF( iost == 0 ) THEN
	1809	IF(ldwp) THEN
	1810	WRITE(kout,*) ' file : ', clfile,' open ok'
	1811	WRITE(kout,*) ' unit = ', knum
	1812	WRITE(kout,*) ' status = ', cdstat
	1813	WRITE(kout,*) ' form = ', cdform
	1814	WRITE(kout,*) ' access = ', cdacce
	1815	WRITE(kout,*)
	1816	ENDIF
	1817	ENDIF
	1818	100 CONTINUE
	1819	IF( iost /= 0 ) THEN
	1820	IF(ldwp) THEN
	1821	WRITE(kout,*)
	1822	WRITE(kout,*) ' ===>>>> : bad opening file: ', clfile
	1823	WRITE(kout,*) ' ======= === '
	1824	WRITE(kout,*) ' unit = ', knum
	1825	WRITE(kout,*) ' status = ', cdstat
	1826	WRITE(kout,*) ' form = ', cdform
	1827	WRITE(kout,*) ' access = ', cdacce
	1828	WRITE(kout,*) ' iostat = ', iost
	1829	WRITE(kout,*) ' we stop. verify the file '
	1830	WRITE(kout,*)
[9438]	1831	ELSE !!! Force writing to make sure we get the information - at least once - in this violent STOP!!
	1832	WRITE(,)
	1833	WRITE(,) ' ===>>>> : bad opening file: ', clfile
	1834	WRITE(,) ' ======= === '
	1835	WRITE(,) ' unit = ', knum
	1836	WRITE(,) ' status = ', cdstat
	1837	WRITE(,) ' form = ', cdform
	1838	WRITE(,) ' access = ', cdacce
	1839	WRITE(,) ' iostat = ', iost
	1840	WRITE(,) ' we stop. verify the file '
	1841	WRITE(,)
[2715]	1842	ENDIF
[9019]	1843	CALL FLUSH( kout )
[2715]	1844	STOP 'ctl_opn bad opening'
	1845	ENDIF
[5836]	1846	!
[2715]	1847	END SUBROUTINE ctl_opn
	1848
[5836]	1849
[4147]	1850	SUBROUTINE ctl_nam ( kios, cdnam, ldwp )
	1851	!!----------------------------------------------------------------------
	1852	!! * ROUTINE ctl_nam *
	1853	!!
	1854	!! ** Purpose : Informations when error while reading a namelist
	1855	!!
	1856	!! ** Method : Fortan open
	1857	!!----------------------------------------------------------------------
[5836]	1858	INTEGER , INTENT(inout) :: kios ! IO status after reading the namelist
	1859	CHARACTER(len=*), INTENT(in ) :: cdnam ! group name of namelist for which error occurs
[7646]	1860	CHARACTER(len=5) :: clios ! string to convert iostat in character for print
[5836]	1861	LOGICAL , INTENT(in ) :: ldwp ! boolean term for print
[4147]	1862	!!----------------------------------------------------------------------
[5836]	1863	!
[7646]	1864	WRITE (clios, '(I5.0)') kios
[4147]	1865	IF( kios < 0 ) THEN
[5836]	1866	CALL ctl_warn( 'end of record or file while reading namelist ' &
	1867	& // TRIM(cdnam) // ' iostat = ' // TRIM(clios) )
[4147]	1868	ENDIF
[5836]	1869	!
[4147]	1870	IF( kios > 0 ) THEN
[5836]	1871	CALL ctl_stop( 'misspelled variable in namelist ' &
	1872	& // TRIM(cdnam) // ' iostat = ' // TRIM(clios) )
[4147]	1873	ENDIF
	1874	kios = 0
	1875	RETURN
[5836]	1876	!
[4147]	1877	END SUBROUTINE ctl_nam
	1878
[5836]	1879
[2715]	1880	INTEGER FUNCTION get_unit()
	1881	!!----------------------------------------------------------------------
	1882	!! * FUNCTION get_unit *
	1883	!!
	1884	!! ** Purpose : return the index of an unused logical unit
	1885	!!----------------------------------------------------------------------
[3764]	1886	LOGICAL :: llopn
[2715]	1887	!!----------------------------------------------------------------------
	1888	!
	1889	get_unit = 15 ! choose a unit that is big enough then it is not already used in NEMO
	1890	llopn = .TRUE.
	1891	DO WHILE( (get_unit < 998) .AND. llopn )
	1892	get_unit = get_unit + 1
	1893	INQUIRE( unit = get_unit, opened = llopn )
	1894	END DO
	1895	IF( (get_unit == 999) .AND. llopn ) THEN
	1896	CALL ctl_stop( 'get_unit: All logical units until 999 are used...' )
	1897	get_unit = -1
	1898	ENDIF
	1899	!
	1900	END FUNCTION get_unit
	1901
	1902	!!----------------------------------------------------------------------
[3]	1903	END MODULE lib_mpp

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