| 1 | !------------------------------------------------------------------------ |
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| 2 | ! Copyright 2010, CERFACS, Toulouse, France. |
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| 3 | ! All rights reserved. Use is subject to OASIS3 license terms. |
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| 4 | !============================================================================= |
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| 5 | ! |
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| 6 | PROGRAM model2 |
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| 7 | ! |
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| 8 | ! Use for netCDF library |
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| 9 | USE netcdf |
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| 10 | ! Use for OASIS communication library |
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| 11 | USE mod_oasis |
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| 12 | ! |
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| 13 | IMPLICIT NONE |
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| 14 | |
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| 15 | INCLUDE 'mpif.h' |
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| 16 | |
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| 17 | ! |
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| 18 | ! By default OASIS3 exchanges data in double precision. |
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| 19 | ! To exchange data in single precision with OASIS3, |
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| 20 | ! the coupler has to be compiled with CPP key "use_realtype_single" |
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| 21 | ! and the model with CPP key "NO_USE_DOUBLE_PRECISION" |
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| 22 | #ifdef NO_USE_DOUBLE_PRECISION |
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| 23 | INTEGER, PARAMETER :: wp = SELECTED_REAL_KIND(6,37) ! real |
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| 24 | #elif USE_DOUBLE_PRECISION |
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| 25 | INTEGER, PARAMETER :: wp = SELECTED_REAL_KIND(12,307) ! double |
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| 26 | #endif |
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| 27 | ! |
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| 28 | CHARACTER(len=30), PARAMETER :: data_filename='grid_model2.nc' |
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| 29 | ! Component name (6 characters) same as in the namcouple |
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| 30 | CHARACTER(len=6) :: comp_name = 'model2' |
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| 31 | CHARACTER(len=128) :: comp_out ! name of the output log file |
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| 32 | CHARACTER(len=3) :: chout |
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| 33 | ! |
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| 34 | ! Global grid parameters : |
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| 35 | INTEGER :: nlon, nlat ! dimensions in the 2 directions of space |
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| 36 | INTEGER :: ntot ! total dimension |
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| 37 | INTEGER :: il_paral_size |
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| 38 | INTEGER :: nc ! number of corners in the (i,j) plan |
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| 39 | INTEGER :: indi_beg, indi_end, indj_beg, indj_end |
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| 40 | ! |
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| 41 | DOUBLE PRECISION, DIMENSION(:,:), POINTER :: globalgrid_lon,globalgrid_lat |
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| 42 | DOUBLE PRECISION, DIMENSION(:,:,:), POINTER :: globalgrid_clo,globalgrid_cla |
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| 43 | DOUBLE PRECISION, DIMENSION(:,:), POINTER :: globalgrid_srf |
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| 44 | INTEGER, DIMENSION(:,:), POINTER :: indice_mask ! mask, 0 == valid point, 1 == masked point |
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| 45 | ! |
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| 46 | INTEGER :: mype, npes ! rank and number of pe |
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| 47 | INTEGER :: localComm ! local MPI communicator and Initialized |
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| 48 | INTEGER :: comp_id ! component identification |
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| 49 | ! |
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| 50 | INTEGER, DIMENSION(:), ALLOCATABLE :: il_paral ! Decomposition for each proc |
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| 51 | ! |
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| 52 | INTEGER :: ierror, rank, w_unit |
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| 53 | INTEGER :: i, j |
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| 54 | ! |
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| 55 | ! Names of exchanged Fields |
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| 56 | CHARACTER(len=8), PARAMETER :: var_name1 = 'FRECVATM' ! 8 characters field received by the atmosphere from the ocean |
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| 57 | CHARACTER(len=8), PARAMETER :: var_name2 = 'FSENDATM' ! 8 characters field sent by the atmosphere to the ocean |
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| 58 | ! |
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| 59 | ! Used in oasis_def_var and oasis_def_var |
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| 60 | INTEGER :: var_id(2) |
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| 61 | INTEGER :: var_nodims(2) |
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| 62 | INTEGER :: var_type |
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| 63 | ! |
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| 64 | REAL (kind=wp), PARAMETER :: field_ini = -1. ! initialisation of received fields |
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| 65 | ! |
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| 66 | INTEGER :: ib |
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| 67 | INTEGER, PARAMETER :: il_nb_time_steps = 12 ! number of time steps |
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| 68 | INTEGER, PARAMETER :: delta_t = 1800 ! time step |
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| 69 | ! |
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| 70 | INTEGER :: il_flag ! Flag for grid writing |
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| 71 | ! |
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| 72 | INTEGER :: itap_sec ! Time |
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| 73 | ! |
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| 74 | ! Grid parameter definition |
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| 75 | INTEGER :: part_id ! use to connect the partition to the variables |
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| 76 | ! in oasis_def_var |
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| 77 | INTEGER :: var_actual_shape(4) ! local dimensions of the arrays to the pe |
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| 78 | ! 2 x field rank (= 4 because fields are of rank = 2) |
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| 79 | ! |
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| 80 | ! Exchanged local fields arrays |
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| 81 | ! used in routines oasis_put and oasis_get |
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| 82 | REAL (kind=wp), POINTER :: field1_recv(:,:) |
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| 83 | REAL (kind=wp), POINTER :: field2_send(:,:) |
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| 84 | ! |
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| 85 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 86 | ! INITIALISATION |
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| 87 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 88 | ! |
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| 89 | !!!!!!!!!!!!!!!!! OASIS_INIT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 90 | ! |
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| 91 | CALL oasis_init_comp (comp_id, comp_name, ierror ) |
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| 92 | IF (ierror /= 0) THEN |
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| 93 | WRITE(0,*) 'oasis_init_comp abort by model2 compid ',comp_id |
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| 94 | CALL oasis_abort(comp_id,comp_name,'Problem at line 98') |
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| 95 | ENDIF |
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| 96 | ! |
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| 97 | ! Unit for output messages : one file for each process |
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| 98 | CALL MPI_Comm_Rank ( MPI_COMM_WORLD, rank, ierror ) |
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| 99 | IF (ierror /= 0) THEN |
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| 100 | WRITE(0,*) 'MPI_Comm_Rank abort by model2 compid ',comp_id |
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| 101 | CALL oasis_abort(comp_id,comp_name,'Problem at line 105') |
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| 102 | ENDIF |
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| 103 | ! |
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| 104 | w_unit = 100 + rank |
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| 105 | WRITE(chout,'(I3)') w_unit |
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| 106 | comp_out=comp_name//'.out_'//chout |
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| 107 | ! |
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| 108 | OPEN(w_unit,file=TRIM(comp_out),form='formatted') |
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| 109 | WRITE (w_unit,*) '-----------------------------------------------------------' |
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| 110 | WRITE (w_unit,*) 'MPI_COMM_WORLD is :',MPI_COMM_WORLD |
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| 111 | WRITE (w_unit,*) TRIM(comp_name), ' Running with reals compiled as kind =',wp |
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| 112 | WRITE (w_unit,*) 'I am component ', TRIM(comp_name), ' rank :',rank |
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| 113 | WRITE (w_unit,*) '----------------------------------------------------------' |
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| 114 | CALL flush(w_unit) |
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| 115 | ! |
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| 116 | !!!!!!!!!!!!!!!!! OASIS_GET_LOCALCOMM !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 117 | ! |
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| 118 | CALL oasis_get_localcomm ( localComm, ierror ) |
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| 119 | IF (ierror /= 0) THEN |
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| 120 | WRITE (w_unit,*) 'oasis_get_localcomm abort by model2 compid ',comp_id |
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| 121 | CALL oasis_abort(comp_id,comp_name,'Problem at line 125') |
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| 122 | ENDIF |
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| 123 | ! |
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| 124 | ! Get MPI size and rank |
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| 125 | CALL MPI_Comm_Size ( localComm, npes, ierror ) |
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| 126 | IF (ierror /= 0) THEN |
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| 127 | WRITE(w_unit,*) 'MPI_comm_size abort by model2 compid ',comp_id |
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| 128 | CALL oasis_abort(comp_id,comp_name,'Problem at line 132') |
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| 129 | ENDIF |
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| 130 | ! |
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| 131 | CALL MPI_Comm_Rank ( localComm, mype, ierror ) |
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| 132 | IF (ierror /= 0) THEN |
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| 133 | WRITE (w_unit,*) 'MPI_Comm_Rank abort by model2 compid ',comp_id |
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| 134 | CALL oasis_abort(comp_id,comp_name,'Problem at line 138') |
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| 135 | ENDIF |
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| 136 | ! |
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| 137 | WRITE(w_unit,*) 'I am the ', TRIM(comp_name), ' ', 'comp', comp_id, 'local rank', mype |
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| 138 | WRITE (w_unit,*) 'Number of processors :',npes |
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| 139 | WRITE (w_unit,*) 'Local communicator :', localComm |
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| 140 | CALL flush(w_unit) |
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| 141 | ! |
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| 142 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 143 | ! GRID DEFINITION |
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| 144 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 145 | ! |
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| 146 | ! Reading netcdf file with pre-defined variable names |
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| 147 | ! |
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| 148 | ! Reading dimensions of the grid |
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| 149 | CALL read_dimgrid(nlon,nlat,data_filename,w_unit) |
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| 150 | nc=4 |
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| 151 | ! |
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| 152 | ! Allocation |
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| 153 | ALLOCATE(globalgrid_lon(nlon,nlat), STAT=ierror ) |
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| 154 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating globalgrid_lon' |
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| 155 | ALLOCATE(globalgrid_lat(nlon,nlat), STAT=ierror ) |
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| 156 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating globalgrid_lat' |
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| 157 | ALLOCATE(globalgrid_clo(nlon,nlat,nc), STAT=ierror ) |
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| 158 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating globalgrid_clo' |
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| 159 | ALLOCATE(globalgrid_cla(nlon,nlat,nc), STAT=ierror ) |
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| 160 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating globalgrid_cla' |
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| 161 | ALLOCATE(globalgrid_srf(nlon,nlat), STAT=ierror ) |
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| 162 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating globalgrid_srf' |
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| 163 | ALLOCATE(indice_mask(nlon,nlat), STAT=ierror ) |
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| 164 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating indice_mask' |
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| 165 | ! |
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| 166 | ! Reading of the longitudes, latitudes, longitude and latitudes of the corners, mask of the grid |
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| 167 | CALL read_grid(nlon,nlat,nc,data_filename,w_unit, & |
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| 168 | globalgrid_lon,globalgrid_lat, & |
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| 169 | globalgrid_clo,globalgrid_cla, & |
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| 170 | globalgrid_srf, & |
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| 171 | indice_mask) |
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| 172 | ! |
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| 173 | ! (Global) grid definition for OASIS3 |
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| 174 | ! Writing of the file grids.nc and masks.nc by the processor 0 from the grid read in |
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| 175 | ! |
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| 176 | IF (mype == 0) THEN |
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| 177 | ! |
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| 178 | ! Mask inversion to follow (historical) OASIS3 convention (0=not masked;1=masked) |
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| 179 | WHERE(indice_mask == 1) |
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| 180 | indice_mask=0 |
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| 181 | ELSEWHERE |
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| 182 | indice_mask=1 |
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| 183 | END WHERE |
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| 184 | ! |
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| 185 | CALL oasis_start_grids_writing(il_flag) |
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| 186 | CALL oasis_write_grid('lmdz', nlon, nlat, globalgrid_lon, globalgrid_lat) |
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| 187 | CALL oasis_write_corner('lmdz', nlon, nlat, 4, globalgrid_clo, globalgrid_cla) |
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| 188 | call oasis_write_area('lmdz', nlon, nlat, globalgrid_srf) |
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| 189 | CALL oasis_write_mask('lmdz', nlon, nlat, indice_mask(:,:)) |
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| 190 | CALL oasis_terminate_grids_writing() |
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| 191 | ENDIF |
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| 192 | WRITE(w_unit,*) 'After grids writing' |
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| 193 | call flush(w_unit) |
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| 194 | ! |
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| 195 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 196 | ! PARTITION DEFINITION |
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| 197 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ! |
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| 198 | ! |
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| 199 | ! Definition of the partition of the grid (calling oasis_def_partition) |
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| 200 | ntot=nlon*nlat |
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| 201 | #ifdef DECOMP_APPLE |
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| 202 | il_paral_size = 3 |
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| 203 | #elif defined DECOMP_BOX |
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| 204 | il_paral_size = 5 |
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| 205 | #endif |
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| 206 | ALLOCATE(il_paral(il_paral_size)) |
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| 207 | WRITE(w_unit,*) 'After allocate il_paral, il_paral_size', il_paral_size |
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| 208 | call flush(w_unit) |
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| 209 | ! |
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| 210 | CALL decomp_def (il_paral,il_paral_size,nlon,nlat,mype,npes,w_unit) |
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| 211 | WRITE(w_unit,*) 'After decomp_def, il_paral = ', il_paral(:) |
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| 212 | call flush(w_unit) |
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| 213 | ! The data are exchanged in the global grid so you do not need to pass |
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| 214 | ! isize to oasis_def_partition |
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| 215 | CALL oasis_def_partition (part_id, il_paral, ierror) |
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| 216 | ! |
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| 217 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 218 | ! DEFINITION OF THE LOCAL FIELDS |
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| 219 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 220 | ! |
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| 221 | !!!!!!!!!!!!!!!!!! OASIS_DEF_VAR !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 222 | ! |
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| 223 | ! Define transient variables |
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| 224 | ! |
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| 225 | var_nodims(1) = 2 ! Rank of the field array is 2 |
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| 226 | var_nodims(2) = 1 ! Bundles always 1 for OASIS3 |
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| 227 | var_type = OASIS_Real |
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| 228 | ! |
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| 229 | var_actual_shape(1) = 1 |
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| 230 | var_actual_shape(2) = il_paral(3) |
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| 231 | var_actual_shape(3) = 1 |
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| 232 | #ifdef DECOMP_APPLE |
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| 233 | var_actual_shape(4) = 1 |
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| 234 | #elif defined DECOMP_BOX |
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| 235 | var_actual_shape(4) = il_paral(4) |
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| 236 | #endif |
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| 237 | ! Declaration of the field associated with the partition of the grid |
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| 238 | CALL oasis_def_var (var_id(1),var_name1, part_id, & |
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| 239 | var_nodims, OASIS_In, var_actual_shape, var_type, ierror) |
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| 240 | IF (ierror /= 0) THEN |
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| 241 | WRITE (w_unit,*) 'oasis_def_var abort by model2 compid ',comp_id |
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| 242 | CALL oasis_abort(comp_id,comp_name,'Problem at line 242') |
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| 243 | ENDIF |
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| 244 | ! |
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| 245 | CALL oasis_def_var (var_id(2),var_name2, part_id, & |
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| 246 | var_nodims, OASIS_Out, var_actual_shape, var_type, ierror) |
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| 247 | IF (ierror /= 0) THEN |
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| 248 | WRITE (w_unit,*) 'oasis_def_var abort by model2 compid ',comp_id |
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| 249 | CALL oasis_abort(comp_id,comp_name,'Problem at line 249') |
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| 250 | ENDIF |
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| 251 | ! |
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| 252 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 253 | ! TERMINATION OF DEFINITION PHASE |
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| 254 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 255 | ! All processes involved in the coupling must call oasis_enddef; |
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| 256 | ! here all processes are involved in coupling |
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| 257 | ! |
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| 258 | !!!!!!!!!!!!!!!!!! OASIS_ENDDEF !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 259 | ! |
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| 260 | CALL oasis_enddef ( ierror ) |
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| 261 | IF (ierror /= 0) THEN |
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| 262 | WRITE (w_unit,*) 'oasis_enddef abort by model2 compid ',comp_id |
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| 263 | CALL oasis_abort(comp_id,comp_name,'Problem at line 263') |
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| 264 | ENDIF |
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| 265 | ! |
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| 266 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 267 | ! SEND AND RECEIVE ARRAYS |
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| 268 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 269 | ! |
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| 270 | ! Allocate the fields send and received by the model |
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| 271 | ! |
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| 272 | ALLOCATE(field1_recv(var_actual_shape(2), var_actual_shape(4)), STAT=ierror ) |
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| 273 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating field1_recv' |
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| 274 | ! |
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| 275 | ALLOCATE(field2_send(var_actual_shape(2), var_actual_shape(4)),STAT=ierror ) |
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| 276 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating field2_send' |
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| 277 | ! |
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| 278 | DEALLOCATE(il_paral) |
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| 279 | ! |
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| 280 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!OASIS_PUT/OASIS_GET !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 281 | ! |
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| 282 | indi_beg=1 ; indi_end=nlon |
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| 283 | indj_beg=((nlat/npes)*mype)+1 |
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| 284 | ! |
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| 285 | IF (mype .LT. npes - 1) THEN |
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| 286 | indj_end = (nlat/npes)*(mype+1) |
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| 287 | ELSE |
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| 288 | indj_end = nlat |
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| 289 | ENDIF |
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| 290 | ! |
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| 291 | ! Data exchange |
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| 292 | ! |
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| 293 | ! Time loop |
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| 294 | DO ib=1, il_nb_time_steps |
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| 295 | itap_sec = delta_t * (ib-1) ! Time |
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| 296 | ! |
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| 297 | ! Get the field FRECVATM |
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| 298 | field1_recv=field_ini |
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| 299 | CALL oasis_get(var_id(1),itap_sec, field1_recv, ierror) |
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| 300 | write(w_unit,*) 'tcx recvf1 ',itap_sec,minval(field1_recv),maxval(field1_recv) |
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| 301 | IF ( ierror .NE. OASIS_Ok .AND. ierror .LT. OASIS_Recvd) THEN |
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| 302 | WRITE (w_unit,*) 'oasis_get abort by model2 compid ',comp_id |
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| 303 | CALL oasis_abort(comp_id,comp_name,'Problem at line 306') |
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| 304 | ENDIF |
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| 305 | ! |
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| 306 | ! Send the field FSENDATM |
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| 307 | ! |
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| 308 | CALL function_sent(var_actual_shape(2), var_actual_shape(4), & |
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| 309 | RESHAPE(globalgrid_lon(indi_beg:indi_end,indj_beg:indj_end),& |
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| 310 | (/ var_actual_shape(2), var_actual_shape(4) /)), & |
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| 311 | RESHAPE(globalgrid_lat(indi_beg:indi_end,indj_beg:indj_end),& |
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| 312 | (/ var_actual_shape(2), var_actual_shape(4) /)), & |
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| 313 | field2_send,ib) |
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| 314 | |
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| 315 | ! |
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| 316 | write(w_unit,*) 'tcx sendf2 ',itap_sec,minval(field2_send),maxval(field2_send) |
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| 317 | CALL oasis_put(var_id(2),itap_sec, field2_send, ierror) |
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| 318 | IF ( ierror .NE. OASIS_Ok .AND. ierror .LT. OASIS_Sent) THEN |
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| 319 | WRITE (w_unit,*) 'oasis_put abort by model2 compid ',comp_id |
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| 320 | CALL oasis_abort(comp_id,comp_name,'Problem at line 317') |
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| 321 | ENDIF |
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| 322 | ! |
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| 323 | ENDDO |
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| 324 | ! |
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| 325 | WRITE (w_unit,*) 'End of the program' |
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| 326 | CALL flush(w_unit) |
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| 327 | CLOSE(w_unit) |
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| 328 | ! |
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| 329 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 330 | ! TERMINATION |
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| 331 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 332 | ! |
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| 333 | !!!!!!!!!!!!!!!!!! OASIS_TERMINATE !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 334 | ! |
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| 335 | ! Collective call to terminate the coupling exchanges |
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| 336 | ! |
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| 337 | CALL oasis_terminate (ierror) |
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| 338 | IF (ierror /= 0) THEN |
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| 339 | WRITE (w_unit,*) 'oasis_terminate abort by model2 compid ',comp_id |
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| 340 | CALL oasis_abort(comp_id,comp_name,'Problem at line 337') |
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| 341 | ENDIF |
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| 342 | ! |
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| 343 | END PROGRAM MODEL2 |
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| 344 | ! |
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