[3] | 1 | MODULE lbclnk |
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| 2 | !!====================================================================== |
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[232] | 3 | !! *** MODULE lbclnk *** |
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[3] | 4 | !! Ocean : lateral boundary conditions |
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| 5 | !!===================================================================== |
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[15] | 6 | #if defined key_mpp_mpi || defined key_mpp_shmem |
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[3] | 7 | !!---------------------------------------------------------------------- |
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[15] | 8 | !! 'key_mpp_mpi' OR MPI massively parallel processing library |
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| 9 | !! 'key_mpp_shmem' SHMEM massively parallel processing library |
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[3] | 10 | !!---------------------------------------------------------------------- |
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[15] | 11 | !!---------------------------------------------------------------------- |
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[3] | 12 | !! lbc_lnk : generic interface for mpp_lnk_3d and mpp_lnk_2d |
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| 13 | !! routines defined in lib_mpp |
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[311] | 14 | !! lbc_lnk_e : generic interface for mpp_lnk_2d_e |
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| 15 | !! routinee defined in lib_mpp |
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[3] | 16 | !!---------------------------------------------------------------------- |
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| 17 | !! * Modules used |
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| 18 | USE lib_mpp ! distributed memory computing library |
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| 19 | |
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| 20 | INTERFACE lbc_lnk |
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[473] | 21 | MODULE PROCEDURE mpp_lnk_3d_gather, mpp_lnk_3d, mpp_lnk_2d |
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[3] | 22 | END INTERFACE |
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| 23 | |
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[311] | 24 | INTERFACE lbc_lnk_e |
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| 25 | MODULE PROCEDURE mpp_lnk_2d_e |
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| 26 | END INTERFACE |
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| 27 | |
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[3] | 28 | PUBLIC lbc_lnk ! ocean lateral boundary conditions |
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[311] | 29 | PUBLIC lbc_lnk_e |
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[3] | 30 | !!---------------------------------------------------------------------- |
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| 31 | |
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| 32 | #else |
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| 33 | !!---------------------------------------------------------------------- |
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| 34 | !! Default option shared memory computing |
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| 35 | !!---------------------------------------------------------------------- |
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| 36 | !! lbc_lnk : generic interface for lbc_lnk_3d and lbc_lnk_2d |
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| 37 | !! lbc_lnk_3d : set the lateral boundary condition on a 3D variable |
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| 38 | !! on OPA ocean mesh |
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| 39 | !! lbc_lnk_2d : set the lateral boundary condition on a 2D variable |
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| 40 | !! on OPA ocean mesh |
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| 41 | !!---------------------------------------------------------------------- |
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| 42 | !! * Modules used |
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| 43 | USE oce ! ocean dynamics and tracers |
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| 44 | USE dom_oce ! ocean space and time domain |
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| 45 | USE in_out_manager ! I/O manager |
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| 46 | |
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| 47 | IMPLICIT NONE |
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| 48 | PRIVATE |
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| 49 | |
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| 50 | INTERFACE lbc_lnk |
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[473] | 51 | MODULE PROCEDURE lbc_lnk_3d_gather, lbc_lnk_3d, lbc_lnk_2d |
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[3] | 52 | END INTERFACE |
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| 53 | |
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[311] | 54 | INTERFACE lbc_lnk_e |
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| 55 | MODULE PROCEDURE lbc_lnk_2d |
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| 56 | END INTERFACE |
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| 57 | |
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[3] | 58 | PUBLIC lbc_lnk ! ocean/ice lateral boundary conditions |
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[311] | 59 | PUBLIC lbc_lnk_e |
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[3] | 60 | !!---------------------------------------------------------------------- |
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| 61 | |
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| 62 | CONTAINS |
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| 63 | |
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[473] | 64 | SUBROUTINE lbc_lnk_3d_gather( pt3d1, cd_type1, pt3d2, cd_type2, psgn ) |
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[3] | 65 | !!--------------------------------------------------------------------- |
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[473] | 66 | !! *** ROUTINE lbc_lnk_3d_gather *** |
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| 67 | !! |
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| 68 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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| 69 | !! |
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| 70 | !! ** Method : |
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| 71 | !! |
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| 72 | !! History : |
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| 73 | !! ! 97-06 (G. Madec) Original code |
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| 74 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 75 | !!---------------------------------------------------------------------- |
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| 76 | !! * Arguments |
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| 77 | CHARACTER(len=1), INTENT( in ) :: & |
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| 78 | cd_type1, cd_type2 ! nature of pt3d grid-points |
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| 79 | ! ! = T , U , V , F or W gridpoints |
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| 80 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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| 81 | pt3d1, pt3d2 ! 3D array on which the boundary condition is applied |
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| 82 | REAL(wp), INTENT( in ) :: & |
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| 83 | psgn ! control of the sign change |
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| 84 | ! ! =-1 , the sign is changed if north fold boundary |
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| 85 | ! ! = 1 , no sign change |
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| 86 | ! ! = 0 , no sign change and > 0 required (use the inner |
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| 87 | ! ! row/column if closed boundary) |
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| 88 | |
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| 89 | |
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| 90 | !! * Local declarations |
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| 91 | INTEGER :: ji, jk |
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| 92 | INTEGER :: ijt, iju |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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[888] | 95 | !! $Id$ |
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[473] | 96 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 97 | !!---------------------------------------------------------------------- |
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| 98 | |
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| 99 | ! ! =============== |
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| 100 | DO jk = 1, jpk ! Horizontal slab |
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| 101 | ! ! =============== |
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| 102 | |
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| 103 | ! ! East-West boundaries |
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| 104 | ! ! ==================== |
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| 105 | SELECT CASE ( nperio ) |
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| 106 | |
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| 107 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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| 108 | pt3d1( 1 ,:,jk) = pt3d1(jpim1,:,jk) ! all points |
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| 109 | pt3d1(jpi,:,jk) = pt3d1( 2 ,:,jk) |
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| 110 | pt3d2( 1 ,:,jk) = pt3d2(jpim1,:,jk) |
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| 111 | pt3d2(jpi,:,jk) = pt3d2( 2 ,:,jk) |
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| 112 | |
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| 113 | CASE DEFAULT ! * closed |
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| 114 | SELECT CASE ( cd_type1 ) |
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| 115 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 116 | pt3d1( 1 ,:,jk) = 0.e0 |
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| 117 | pt3d1(jpi,:,jk) = 0.e0 |
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| 118 | CASE ( 'F' ) ! F-point |
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| 119 | pt3d1(jpi,:,jk) = 0.e0 |
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| 120 | END SELECT |
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| 121 | SELECT CASE ( cd_type2 ) |
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| 122 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 123 | pt3d2( 1 ,:,jk) = 0.e0 |
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| 124 | pt3d2(jpi,:,jk) = 0.e0 |
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| 125 | CASE ( 'F' ) ! F-point |
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| 126 | pt3d2(jpi,:,jk) = 0.e0 |
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| 127 | END SELECT |
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| 128 | |
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| 129 | END SELECT |
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| 130 | |
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| 131 | ! ! North-South boundaries |
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| 132 | ! ! ====================== |
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| 133 | SELECT CASE ( nperio ) |
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| 134 | |
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| 135 | CASE ( 2 ) ! * south symmetric |
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| 136 | |
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| 137 | SELECT CASE ( cd_type1 ) |
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| 138 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 139 | pt3d1(:, 1 ,jk) = pt3d1(:,3,jk) |
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| 140 | pt3d1(:,jpj,jk) = 0.e0 |
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| 141 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 142 | pt3d1(:, 1 ,jk) = psgn * pt3d1(:,2,jk) |
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| 143 | pt3d1(:,jpj,jk) = 0.e0 |
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| 144 | END SELECT |
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| 145 | SELECT CASE ( cd_type2 ) |
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| 146 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 147 | pt3d2(:, 1 ,jk) = pt3d2(:,3,jk) |
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| 148 | pt3d2(:,jpj,jk) = 0.e0 |
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| 149 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 150 | pt3d2(:, 1 ,jk) = psgn * pt3d2(:,2,jk) |
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| 151 | pt3d2(:,jpj,jk) = 0.e0 |
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| 152 | END SELECT |
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| 153 | |
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| 154 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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| 155 | |
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| 156 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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| 157 | pt3d1(jpi,jpj,jk) = 0.e0 |
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| 158 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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| 159 | pt3d2(jpi,jpj,jk) = 0.e0 |
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| 160 | |
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| 161 | SELECT CASE ( cd_type1 ) |
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| 162 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 163 | DO ji = 2, jpi |
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| 164 | ijt = jpi-ji+2 |
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| 165 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 166 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 167 | END DO |
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| 168 | DO ji = jpi/2+1, jpi |
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| 169 | ijt = jpi-ji+2 |
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| 170 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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| 171 | END DO |
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| 172 | CASE ( 'U' ) ! U-point |
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| 173 | DO ji = 1, jpi-1 |
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| 174 | iju = jpi-ji+1 |
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| 175 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 176 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 177 | END DO |
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| 178 | DO ji = jpi/2, jpi-1 |
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| 179 | iju = jpi-ji+1 |
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| 180 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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| 181 | END DO |
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| 182 | CASE ( 'V' ) ! V-point |
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| 183 | DO ji = 2, jpi |
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| 184 | ijt = jpi-ji+2 |
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| 185 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 186 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 187 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(ijt,jpj-3,jk) |
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| 188 | END DO |
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| 189 | CASE ( 'F' ) ! F-point |
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| 190 | DO ji = 1, jpi-1 |
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| 191 | iju = jpi-ji+1 |
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| 192 | pt3d1(ji,jpj-1,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 193 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-3,jk) |
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| 194 | END DO |
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| 195 | END SELECT |
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| 196 | SELECT CASE ( cd_type2 ) |
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| 197 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 198 | DO ji = 2, jpi |
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| 199 | ijt = jpi-ji+2 |
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| 200 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 201 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 202 | END DO |
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| 203 | DO ji = jpi/2+1, jpi |
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| 204 | ijt = jpi-ji+2 |
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| 205 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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| 206 | END DO |
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| 207 | CASE ( 'U' ) ! U-point |
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| 208 | DO ji = 1, jpi-1 |
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| 209 | iju = jpi-ji+1 |
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| 210 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 211 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 212 | END DO |
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| 213 | DO ji = jpi/2, jpi-1 |
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| 214 | iju = jpi-ji+1 |
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| 215 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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| 216 | END DO |
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| 217 | CASE ( 'V' ) ! V-point |
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| 218 | DO ji = 2, jpi |
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| 219 | ijt = jpi-ji+2 |
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| 220 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 221 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 222 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(ijt,jpj-3,jk) |
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| 223 | END DO |
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| 224 | CASE ( 'F' ) ! F-point |
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| 225 | DO ji = 1, jpi-1 |
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| 226 | iju = jpi-ji+1 |
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| 227 | pt3d2(ji,jpj-1,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 228 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-3,jk) |
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| 229 | END DO |
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| 230 | END SELECT |
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| 231 | |
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| 232 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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| 233 | |
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| 234 | pt3d1( 1 ,jpj,jk) = 0.e0 |
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| 235 | pt3d1(jpi,jpj,jk) = 0.e0 |
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| 236 | pt3d2( 1 ,jpj,jk) = 0.e0 |
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| 237 | pt3d2(jpi,jpj,jk) = 0.e0 |
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| 238 | |
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| 239 | SELECT CASE ( cd_type1 ) |
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| 240 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 241 | DO ji = 1, jpi |
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| 242 | ijt = jpi-ji+1 |
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| 243 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 244 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-1,jk) |
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| 245 | END DO |
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| 246 | CASE ( 'U' ) ! U-point |
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| 247 | DO ji = 1, jpi-1 |
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| 248 | iju = jpi-ji |
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| 249 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 250 | pt3d1(ji,jpj,jk) = psgn * pt3d1(iju,jpj-1,jk) |
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| 251 | END DO |
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| 252 | CASE ( 'V' ) ! V-point |
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| 253 | DO ji = 1, jpi |
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| 254 | ijt = jpi-ji+1 |
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| 255 | pt3d1(ji, 1 ,jk) = 0.e0 |
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| 256 | pt3d1(ji,jpj,jk) = psgn * pt3d1(ijt,jpj-2,jk) |
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| 257 | END DO |
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| 258 | DO ji = jpi/2+1, jpi |
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| 259 | ijt = jpi-ji+1 |
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| 260 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(ijt,jpjm1,jk) |
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| 261 | END DO |
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| 262 | CASE ( 'F' ) ! F-point |
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| 263 | DO ji = 1, jpi-1 |
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| 264 | iju = jpi-ji |
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| 265 | pt3d1(ji,jpj ,jk) = psgn * pt3d1(iju,jpj-2,jk) |
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| 266 | END DO |
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| 267 | DO ji = jpi/2+1, jpi-1 |
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| 268 | iju = jpi-ji |
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| 269 | pt3d1(ji,jpjm1,jk) = psgn * pt3d1(iju,jpjm1,jk) |
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| 270 | END DO |
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| 271 | END SELECT |
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| 272 | SELECT CASE ( cd_type2 ) |
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| 273 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 274 | DO ji = 1, jpi |
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| 275 | ijt = jpi-ji+1 |
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| 276 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 277 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-1,jk) |
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| 278 | END DO |
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| 279 | CASE ( 'U' ) ! U-point |
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| 280 | DO ji = 1, jpi-1 |
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| 281 | iju = jpi-ji |
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| 282 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 283 | pt3d2(ji,jpj,jk) = psgn * pt3d2(iju,jpj-1,jk) |
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| 284 | END DO |
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| 285 | CASE ( 'V' ) ! V-point |
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| 286 | DO ji = 1, jpi |
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| 287 | ijt = jpi-ji+1 |
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| 288 | pt3d2(ji, 1 ,jk) = 0.e0 |
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| 289 | pt3d2(ji,jpj,jk) = psgn * pt3d2(ijt,jpj-2,jk) |
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| 290 | END DO |
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| 291 | DO ji = jpi/2+1, jpi |
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| 292 | ijt = jpi-ji+1 |
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| 293 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(ijt,jpjm1,jk) |
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| 294 | END DO |
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| 295 | CASE ( 'F' ) ! F-point |
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| 296 | DO ji = 1, jpi-1 |
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| 297 | iju = jpi-ji |
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| 298 | pt3d2(ji,jpj ,jk) = psgn * pt3d2(iju,jpj-2,jk) |
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| 299 | END DO |
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| 300 | DO ji = jpi/2+1, jpi-1 |
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| 301 | iju = jpi-ji |
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| 302 | pt3d2(ji,jpjm1,jk) = psgn * pt3d2(iju,jpjm1,jk) |
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| 303 | END DO |
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| 304 | END SELECT |
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| 305 | |
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| 306 | CASE DEFAULT ! * closed |
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| 307 | |
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| 308 | SELECT CASE ( cd_type1 ) |
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| 309 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 310 | pt3d1(:, 1 ,jk) = 0.e0 |
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| 311 | pt3d1(:,jpj,jk) = 0.e0 |
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| 312 | CASE ( 'F' ) ! F-point |
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| 313 | pt3d1(:,jpj,jk) = 0.e0 |
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| 314 | END SELECT |
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| 315 | SELECT CASE ( cd_type2 ) |
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| 316 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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| 317 | pt3d2(:, 1 ,jk) = 0.e0 |
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| 318 | pt3d2(:,jpj,jk) = 0.e0 |
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| 319 | CASE ( 'F' ) ! F-point |
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| 320 | pt3d2(:,jpj,jk) = 0.e0 |
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| 321 | END SELECT |
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| 322 | |
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| 323 | END SELECT |
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| 324 | ! ! =============== |
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| 325 | END DO ! End of slab |
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| 326 | ! ! =============== |
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| 327 | |
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| 328 | END SUBROUTINE lbc_lnk_3d_gather |
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| 329 | |
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| 330 | |
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[888] | 331 | SUBROUTINE lbc_lnk_3d( pt3d, cd_type, psgn, cd_mpp, pval ) |
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[473] | 332 | !!--------------------------------------------------------------------- |
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[3] | 333 | !! *** ROUTINE lbc_lnk_3d *** |
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| 334 | !! |
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| 335 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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| 336 | !! |
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| 337 | !! ** Method : |
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| 338 | !! |
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| 339 | !! History : |
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| 340 | !! ! 97-06 (G. Madec) Original code |
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| 341 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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| 342 | !!---------------------------------------------------------------------- |
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| 343 | !! * Arguments |
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| 344 | CHARACTER(len=1), INTENT( in ) :: & |
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| 345 | cd_type ! nature of pt3d grid-points |
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| 346 | ! ! = T , U , V , F or W gridpoints |
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| 347 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( inout ) :: & |
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| 348 | pt3d ! 3D array on which the boundary condition is applied |
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| 349 | REAL(wp), INTENT( in ) :: & |
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| 350 | psgn ! control of the sign change |
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| 351 | ! ! =-1 , the sign is changed if north fold boundary |
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| 352 | ! ! = 1 , no sign change |
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[88] | 353 | ! ! = 0 , no sign change and > 0 required (use the inner |
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| 354 | ! ! row/column if closed boundary) |
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[473] | 355 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
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| 356 | cd_mpp ! fill the overlap area only (here do nothing) |
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[888] | 357 | REAL(wp) , INTENT(in ), OPTIONAL :: pval ! background value (used at closed boundaries) |
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[3] | 358 | |
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| 359 | !! * Local declarations |
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| 360 | INTEGER :: ji, jk |
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| 361 | INTEGER :: ijt, iju |
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[888] | 362 | REAL(wp) :: zland |
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[3] | 363 | !!---------------------------------------------------------------------- |
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[247] | 364 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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[888] | 365 | !! $Id$ |
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[247] | 366 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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[3] | 367 | !!---------------------------------------------------------------------- |
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[473] | 368 | |
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[888] | 369 | IF( PRESENT( pval ) ) THEN ! set land value (zero by default) |
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| 370 | zland = pval |
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| 371 | ELSE |
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| 372 | zland = 0.e0 |
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| 373 | ENDIF |
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| 374 | |
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| 375 | |
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| 376 | IF( PRESENT( cd_mpp ) ) THEN |
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[473] | 377 | ! only fill the overlap area and extra allows |
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| 378 | ! this is in mpp case. In this module, just do nothing |
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| 379 | ELSE |
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[3] | 380 | |
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| 381 | ! ! =============== |
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| 382 | DO jk = 1, jpk ! Horizontal slab |
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| 383 | ! ! =============== |
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| 384 | |
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| 385 | ! ! East-West boundaries |
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| 386 | ! ! ==================== |
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| 387 | SELECT CASE ( nperio ) |
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| 388 | |
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| 389 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
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| 390 | pt3d( 1 ,:,jk) = pt3d(jpim1,:,jk) ! all points |
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| 391 | pt3d(jpi,:,jk) = pt3d( 2 ,:,jk) |
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| 392 | |
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| 393 | CASE DEFAULT ! * closed |
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| 394 | SELECT CASE ( cd_type ) |
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| 395 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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[888] | 396 | pt3d( 1 ,:,jk) = zland |
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| 397 | pt3d(jpi,:,jk) = zland |
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[3] | 398 | CASE ( 'F' ) ! F-point |
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[888] | 399 | pt3d(jpi,:,jk) = zland |
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[3] | 400 | END SELECT |
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| 401 | |
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| 402 | END SELECT |
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| 403 | |
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| 404 | ! ! North-South boundaries |
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| 405 | ! ! ====================== |
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| 406 | SELECT CASE ( nperio ) |
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| 407 | |
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| 408 | CASE ( 2 ) ! * south symmetric |
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| 409 | |
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| 410 | SELECT CASE ( cd_type ) |
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| 411 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
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| 412 | pt3d(:, 1 ,jk) = pt3d(:,3,jk) |
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[888] | 413 | pt3d(:,jpj,jk) = zland |
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[3] | 414 | CASE ( 'V' , 'F' ) ! V-, F-points |
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| 415 | pt3d(:, 1 ,jk) = psgn * pt3d(:,2,jk) |
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[888] | 416 | pt3d(:,jpj,jk) = zland |
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[3] | 417 | END SELECT |
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| 418 | |
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[88] | 419 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
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[3] | 420 | |
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[888] | 421 | pt3d( 1 ,jpj,jk) = zland |
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| 422 | pt3d(jpi,jpj,jk) = zland |
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[3] | 423 | |
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| 424 | SELECT CASE ( cd_type ) |
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| 425 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 426 | DO ji = 2, jpi |
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| 427 | ijt = jpi-ji+2 |
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[888] | 428 | pt3d(ji, 1 ,jk) = zland |
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[3] | 429 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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| 430 | END DO |
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| 431 | DO ji = jpi/2+1, jpi |
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| 432 | ijt = jpi-ji+2 |
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| 433 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
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| 434 | END DO |
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| 435 | CASE ( 'U' ) ! U-point |
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| 436 | DO ji = 1, jpi-1 |
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| 437 | iju = jpi-ji+1 |
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[888] | 438 | pt3d(ji, 1 ,jk) = zland |
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[3] | 439 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-2,jk) |
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| 440 | END DO |
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| 441 | DO ji = jpi/2, jpi-1 |
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| 442 | iju = jpi-ji+1 |
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| 443 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
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| 444 | END DO |
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| 445 | CASE ( 'V' ) ! V-point |
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| 446 | DO ji = 2, jpi |
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| 447 | ijt = jpi-ji+2 |
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[888] | 448 | pt3d(ji, 1 ,jk) = zland |
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[3] | 449 | pt3d(ji,jpj-1,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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| 450 | pt3d(ji,jpj ,jk) = psgn * pt3d(ijt,jpj-3,jk) |
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| 451 | END DO |
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| 452 | CASE ( 'F' ) ! F-point |
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| 453 | DO ji = 1, jpi-1 |
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| 454 | iju = jpi-ji+1 |
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[232] | 455 | pt3d(ji,jpj-1,jk) = psgn * pt3d(iju,jpj-2,jk) |
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| 456 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-3,jk) |
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[3] | 457 | END DO |
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| 458 | END SELECT |
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| 459 | |
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| 460 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
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| 461 | |
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[888] | 462 | pt3d( 1 ,jpj,jk) = zland |
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| 463 | pt3d(jpi,jpj,jk) = zland |
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[3] | 464 | |
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| 465 | SELECT CASE ( cd_type ) |
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| 466 | CASE ( 'T' , 'W' ) ! T-, W-point |
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| 467 | DO ji = 1, jpi |
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| 468 | ijt = jpi-ji+1 |
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[888] | 469 | pt3d(ji, 1 ,jk) = zland |
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[3] | 470 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-1,jk) |
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| 471 | END DO |
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| 472 | CASE ( 'U' ) ! U-point |
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| 473 | DO ji = 1, jpi-1 |
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| 474 | iju = jpi-ji |
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[888] | 475 | pt3d(ji, 1 ,jk) = zland |
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[3] | 476 | pt3d(ji,jpj,jk) = psgn * pt3d(iju,jpj-1,jk) |
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| 477 | END DO |
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| 478 | CASE ( 'V' ) ! V-point |
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| 479 | DO ji = 1, jpi |
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| 480 | ijt = jpi-ji+1 |
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[888] | 481 | pt3d(ji, 1 ,jk) = zland |
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[3] | 482 | pt3d(ji,jpj,jk) = psgn * pt3d(ijt,jpj-2,jk) |
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| 483 | END DO |
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| 484 | DO ji = jpi/2+1, jpi |
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| 485 | ijt = jpi-ji+1 |
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| 486 | pt3d(ji,jpjm1,jk) = psgn * pt3d(ijt,jpjm1,jk) |
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| 487 | END DO |
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| 488 | CASE ( 'F' ) ! F-point |
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| 489 | DO ji = 1, jpi-1 |
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| 490 | iju = jpi-ji |
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[232] | 491 | pt3d(ji,jpj ,jk) = psgn * pt3d(iju,jpj-2,jk) |
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[3] | 492 | END DO |
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| 493 | DO ji = jpi/2+1, jpi-1 |
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| 494 | iju = jpi-ji |
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[232] | 495 | pt3d(ji,jpjm1,jk) = psgn * pt3d(iju,jpjm1,jk) |
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[3] | 496 | END DO |
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| 497 | END SELECT |
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| 498 | |
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[88] | 499 | CASE DEFAULT ! * closed |
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[3] | 500 | |
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| 501 | SELECT CASE ( cd_type ) |
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| 502 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
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[888] | 503 | pt3d(:, 1 ,jk) = zland |
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| 504 | pt3d(:,jpj,jk) = zland |
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[3] | 505 | CASE ( 'F' ) ! F-point |
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[888] | 506 | pt3d(:,jpj,jk) = zland |
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[3] | 507 | END SELECT |
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| 508 | |
---|
| 509 | END SELECT |
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| 510 | ! ! =============== |
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| 511 | END DO ! End of slab |
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| 512 | ! ! =============== |
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[473] | 513 | ENDIF |
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[3] | 514 | END SUBROUTINE lbc_lnk_3d |
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| 515 | |
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| 516 | |
---|
[888] | 517 | SUBROUTINE lbc_lnk_2d( pt2d, cd_type, psgn, cd_mpp, pval ) |
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[3] | 518 | !!--------------------------------------------------------------------- |
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| 519 | !! *** ROUTINE lbc_lnk_2d *** |
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| 520 | !! |
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| 521 | !! ** Purpose : set lateral boundary conditions (non mpp case) |
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| 522 | !! |
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| 523 | !! ** Method : |
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| 524 | !! |
---|
| 525 | !! History : |
---|
| 526 | !! ! 97-06 (G. Madec) Original code |
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| 527 | !! ! 01-05 (E. Durand) correction |
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| 528 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
---|
| 529 | !!---------------------------------------------------------------------- |
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| 530 | !! * Arguments |
---|
| 531 | CHARACTER(len=1), INTENT( in ) :: & |
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| 532 | cd_type ! nature of pt2d grid-point |
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| 533 | ! ! = T , U , V , F or W gridpoints |
---|
| 534 | ! ! = I sea-ice U-V gridpoint (= F ocean grid point with indice shift) |
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| 535 | REAL(wp), INTENT( in ) :: & |
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| 536 | psgn ! control of the sign change |
---|
| 537 | ! ! =-1 , the sign is modified following the type of b.c. used |
---|
| 538 | ! ! = 1 , no sign change |
---|
| 539 | REAL(wp), DIMENSION(jpi,jpj), INTENT( inout ) :: & |
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| 540 | pt2d ! 2D array on which the boundary condition is applied |
---|
[473] | 541 | CHARACTER(len=3), INTENT( in ), OPTIONAL :: & |
---|
| 542 | cd_mpp ! fill the overlap area only (here do nothing) |
---|
[888] | 543 | REAL(wp) , INTENT(in ), OPTIONAL :: pval ! background value (used at closed boundaries) |
---|
[3] | 544 | |
---|
| 545 | !! * Local declarations |
---|
| 546 | INTEGER :: ji |
---|
| 547 | INTEGER :: ijt, iju |
---|
[888] | 548 | REAL(wp) :: zland |
---|
[3] | 549 | !!---------------------------------------------------------------------- |
---|
[473] | 550 | |
---|
[888] | 551 | IF( PRESENT( pval ) ) THEN ! set land value (zero by default) |
---|
| 552 | zland = pval |
---|
| 553 | ELSE |
---|
| 554 | zland = 0.e0 |
---|
| 555 | ENDIF |
---|
| 556 | |
---|
[473] | 557 | IF (PRESENT(cd_mpp)) THEN |
---|
| 558 | ! only fill the overlap area and extra allows |
---|
| 559 | ! this is in mpp case. In this module, just do nothing |
---|
| 560 | ELSE |
---|
[3] | 561 | |
---|
| 562 | ! ! East-West boundaries |
---|
| 563 | ! ! ==================== |
---|
| 564 | SELECT CASE ( nperio ) |
---|
| 565 | |
---|
| 566 | CASE ( 1 , 4 , 6 ) ! * cyclic east-west |
---|
| 567 | pt2d( 1 ,:) = pt2d(jpim1,:) |
---|
| 568 | pt2d(jpi,:) = pt2d( 2 ,:) |
---|
| 569 | |
---|
| 570 | CASE DEFAULT ! * closed |
---|
| 571 | SELECT CASE ( cd_type ) |
---|
| 572 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
[888] | 573 | pt2d( 1 ,:) = zland |
---|
| 574 | pt2d(jpi,:) = zland |
---|
[88] | 575 | CASE ( 'F' ) ! F-point, ice U-V point |
---|
[888] | 576 | pt2d(jpi,:) = zland |
---|
[88] | 577 | CASE ( 'I' ) ! F-point, ice U-V point |
---|
[888] | 578 | pt2d( 1 ,:) = zland |
---|
| 579 | pt2d(jpi,:) = zland |
---|
[3] | 580 | END SELECT |
---|
| 581 | |
---|
| 582 | END SELECT |
---|
| 583 | |
---|
| 584 | ! ! North-South boundaries |
---|
| 585 | ! ! ====================== |
---|
| 586 | SELECT CASE ( nperio ) |
---|
| 587 | |
---|
| 588 | CASE ( 2 ) ! * South symmetric |
---|
| 589 | |
---|
| 590 | SELECT CASE ( cd_type ) |
---|
| 591 | CASE ( 'T' , 'U' , 'W' ) ! T-, U-, W-points |
---|
| 592 | pt2d(:, 1 ) = pt2d(:,3) |
---|
[888] | 593 | pt2d(:,jpj) = zland |
---|
[88] | 594 | CASE ( 'V' , 'F' , 'I' ) ! V-, F-points, ice U-V point |
---|
[3] | 595 | pt2d(:, 1 ) = psgn * pt2d(:,2) |
---|
[888] | 596 | pt2d(:,jpj) = zland |
---|
[3] | 597 | END SELECT |
---|
| 598 | |
---|
| 599 | CASE ( 3 , 4 ) ! * North fold T-point pivot |
---|
| 600 | |
---|
[888] | 601 | pt2d( 1 , 1 ) = zland !!!!! bug gm ??? !Edmee |
---|
| 602 | pt2d( 1 ,jpj) = zland |
---|
| 603 | pt2d(jpi,jpj) = zland |
---|
[3] | 604 | |
---|
| 605 | SELECT CASE ( cd_type ) |
---|
| 606 | |
---|
| 607 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
| 608 | DO ji = 2, jpi |
---|
| 609 | ijt = jpi-ji+2 |
---|
[888] | 610 | pt2d(ji, 1 ) = zland |
---|
[3] | 611 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
| 612 | END DO |
---|
| 613 | DO ji = jpi/2+1, jpi |
---|
| 614 | ijt = jpi-ji+2 |
---|
| 615 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
| 616 | END DO |
---|
| 617 | |
---|
| 618 | CASE ( 'U' ) ! U-point |
---|
| 619 | DO ji = 1, jpi-1 |
---|
| 620 | iju = jpi-ji+1 |
---|
[888] | 621 | pt2d(ji, 1 ) = zland |
---|
[3] | 622 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-2) |
---|
| 623 | END DO |
---|
| 624 | DO ji = jpi/2, jpi-1 |
---|
| 625 | iju = jpi-ji+1 |
---|
| 626 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
| 627 | END DO |
---|
| 628 | |
---|
| 629 | CASE ( 'V' ) ! V-point |
---|
| 630 | DO ji = 2, jpi |
---|
| 631 | ijt = jpi-ji+2 |
---|
[888] | 632 | pt2d(ji, 1 ) = zland |
---|
[3] | 633 | pt2d(ji,jpj-1) = psgn * pt2d(ijt,jpj-2) |
---|
| 634 | pt2d(ji,jpj ) = psgn * pt2d(ijt,jpj-3) |
---|
| 635 | END DO |
---|
| 636 | |
---|
| 637 | CASE ( 'F' ) ! F-point |
---|
| 638 | DO ji = 1, jpi-1 |
---|
| 639 | iju = jpi - ji + 1 |
---|
[232] | 640 | pt2d(ji,jpj-1) = psgn * pt2d(iju,jpj-2) |
---|
| 641 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-3) |
---|
[3] | 642 | END DO |
---|
| 643 | |
---|
| 644 | CASE ( 'I' ) ! ice U-V point |
---|
[888] | 645 | pt2d(:, 1 ) = zland |
---|
[3] | 646 | pt2d(2,jpj) = psgn * pt2d(3,jpj-1) |
---|
| 647 | DO ji = 3, jpi |
---|
| 648 | iju = jpi - ji + 3 |
---|
| 649 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
| 650 | END DO |
---|
| 651 | |
---|
| 652 | END SELECT |
---|
| 653 | |
---|
| 654 | CASE ( 5 , 6 ) ! * North fold F-point pivot |
---|
| 655 | |
---|
[888] | 656 | pt2d( 1 , 1 ) = zland !!bug ??? |
---|
| 657 | pt2d( 1 ,jpj) = zland |
---|
| 658 | pt2d(jpi,jpj) = zland |
---|
[3] | 659 | |
---|
| 660 | SELECT CASE ( cd_type ) |
---|
| 661 | |
---|
| 662 | CASE ( 'T' , 'W' ) ! T-, W-point |
---|
| 663 | DO ji = 1, jpi |
---|
| 664 | ijt = jpi-ji+1 |
---|
[888] | 665 | pt2d(ji, 1 ) = zland |
---|
[3] | 666 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-1) |
---|
| 667 | END DO |
---|
| 668 | |
---|
| 669 | CASE ( 'U' ) ! U-point |
---|
| 670 | DO ji = 1, jpi-1 |
---|
| 671 | iju = jpi-ji |
---|
[888] | 672 | pt2d(ji, 1 ) = zland |
---|
[3] | 673 | pt2d(ji,jpj) = psgn * pt2d(iju,jpj-1) |
---|
| 674 | END DO |
---|
| 675 | |
---|
| 676 | CASE ( 'V' ) ! V-point |
---|
| 677 | DO ji = 1, jpi |
---|
| 678 | ijt = jpi-ji+1 |
---|
[888] | 679 | pt2d(ji, 1 ) = zland |
---|
[3] | 680 | pt2d(ji,jpj) = psgn * pt2d(ijt,jpj-2) |
---|
| 681 | END DO |
---|
| 682 | DO ji = jpi/2+1, jpi |
---|
| 683 | ijt = jpi-ji+1 |
---|
| 684 | pt2d(ji,jpjm1) = psgn * pt2d(ijt,jpjm1) |
---|
| 685 | END DO |
---|
| 686 | |
---|
| 687 | CASE ( 'F' ) ! F-point |
---|
| 688 | DO ji = 1, jpi-1 |
---|
| 689 | iju = jpi-ji |
---|
[232] | 690 | pt2d(ji,jpj ) = psgn * pt2d(iju,jpj-2) |
---|
[3] | 691 | END DO |
---|
| 692 | DO ji = jpi/2+1, jpi-1 |
---|
| 693 | iju = jpi-ji |
---|
[232] | 694 | pt2d(ji,jpjm1) = psgn * pt2d(iju,jpjm1) |
---|
[3] | 695 | END DO |
---|
| 696 | |
---|
| 697 | CASE ( 'I' ) ! ice U-V point |
---|
[888] | 698 | pt2d( : , 1 ) = zland |
---|
| 699 | pt2d( 2 ,jpj) = zland |
---|
[232] | 700 | DO ji = 2 , jpim1 |
---|
| 701 | ijt = jpi - ji + 2 |
---|
[3] | 702 | pt2d(ji,jpj)= 0.5 * ( pt2d(ji,jpjm1) + psgn * pt2d(ijt,jpjm1) ) |
---|
| 703 | END DO |
---|
| 704 | |
---|
| 705 | END SELECT |
---|
| 706 | |
---|
| 707 | CASE DEFAULT ! * closed |
---|
| 708 | |
---|
| 709 | SELECT CASE ( cd_type ) |
---|
| 710 | CASE ( 'T' , 'U' , 'V' , 'W' ) ! T-, U-, V-, W-points |
---|
[888] | 711 | pt2d(:, 1 ) = zland |
---|
| 712 | pt2d(:,jpj) = zland |
---|
[3] | 713 | CASE ( 'F' ) ! F-point |
---|
[888] | 714 | pt2d(:,jpj) = zland |
---|
[3] | 715 | CASE ( 'I' ) ! ice U-V point |
---|
[888] | 716 | pt2d(:, 1 ) = zland |
---|
| 717 | pt2d(:,jpj) = zland |
---|
[3] | 718 | END SELECT |
---|
| 719 | |
---|
| 720 | END SELECT |
---|
| 721 | |
---|
[473] | 722 | ENDIF |
---|
| 723 | |
---|
[3] | 724 | END SUBROUTINE lbc_lnk_2d |
---|
| 725 | |
---|
| 726 | #endif |
---|
| 727 | |
---|
| 728 | !!====================================================================== |
---|
| 729 | END MODULE lbclnk |
---|