1 | # if defined SINGLE_PRECISION |
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2 | # define PRECISION sp |
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3 | # define SENDROUTINE mppsend_sp |
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4 | # define RECVROUTINE mpprecv_sp |
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5 | # define LBCNORTH mpp_lbc_north_icb_sp |
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6 | # else |
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7 | # define PRECISION dp |
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8 | # define SENDROUTINE mppsend_dp |
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9 | # define RECVROUTINE mpprecv_dp |
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10 | # define LBCNORTH mpp_lbc_north_icb_dp |
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11 | # endif |
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12 | |
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13 | SUBROUTINE ROUTINE_LNK( cdname, pt2d, cd_type, psgn, kexti, kextj ) |
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14 | !!---------------------------------------------------------------------- |
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15 | !! *** routine mpp_lnk_2d_icb *** |
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16 | !! |
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17 | !! ** Purpose : Message passing management for 2d array (with extra halo for icebergs) |
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18 | !! This routine receives a (1-kexti:jpi+kexti,1-kexti:jpj+kextj) |
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19 | !! array (usually (0:jpi+1, 0:jpj+1)) from lbc_lnk_icb calls. |
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20 | !! |
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21 | !! ** Method : Use mppsend and mpprecv function for passing mask |
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22 | !! between processors following neighboring subdomains. |
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23 | !! domain parameters |
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24 | !! jpi : first dimension of the local subdomain |
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25 | !! jpj : second dimension of the local subdomain |
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26 | !! kexti : number of columns for extra outer halo |
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27 | !! kextj : number of rows for extra outer halo |
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28 | !! nbondi : mark for "east-west local boundary" |
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29 | !! nbondj : mark for "north-south local boundary" |
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30 | !! noea : number for local neighboring processors |
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31 | !! nowe : number for local neighboring processors |
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32 | !! noso : number for local neighboring processors |
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33 | !! nono : number for local neighboring processors |
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34 | !!---------------------------------------------------------------------- |
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35 | CHARACTER(len=*) , INTENT(in ) :: cdname ! name of the calling subroutine |
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36 | REAL(PRECISION), DIMENSION(1-kexti:jpi+kexti,1-kextj:jpj+kextj), INTENT(inout) :: pt2d ! 2D array with extra halo |
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37 | CHARACTER(len=1) , INTENT(in ) :: cd_type ! nature of ptab array grid-points |
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38 | REAL(wp) , INTENT(in ) :: psgn ! sign used across the north fold |
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39 | INTEGER , INTENT(in ) :: kexti ! extra i-halo width |
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40 | INTEGER , INTENT(in ) :: kextj ! extra j-halo width |
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41 | ! |
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42 | INTEGER :: jl ! dummy loop indices |
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43 | INTEGER :: imigr, iihom, ijhom ! local integers |
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44 | INTEGER :: ipreci, iprecj ! - - |
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45 | INTEGER :: ml_req1, ml_req2, ml_err ! for key_mpi_isend |
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46 | INTEGER, DIMENSION(MPI_STATUS_SIZE) :: ml_stat ! for key_mpi_isend |
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47 | !! |
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48 | REAL(PRECISION), DIMENSION(1-kexti:jpi+kexti,nn_hls+kextj,2) :: r2dns, r2dsn |
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49 | REAL(PRECISION), DIMENSION(1-kextj:jpj+kextj,nn_hls+kexti,2) :: r2dwe, r2dew |
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50 | !!---------------------------------------------------------------------- |
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51 | ipreci = nn_hls + kexti ! take into account outer extra 2D overlap area |
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52 | iprecj = nn_hls + kextj |
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53 | |
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54 | IF( narea == 1 .AND. numcom == -1 ) CALL mpp_report( cdname, 1, 1, 1, ld_lbc = .TRUE. ) |
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55 | |
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56 | ! 1. standard boundary treatment |
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57 | ! ------------------------------ |
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58 | ! Order matters Here !!!! |
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59 | ! |
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60 | ! ! East-West boundaries |
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61 | ! !* Cyclic east-west |
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62 | IF( l_Iperio ) THEN |
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63 | pt2d(1-kexti: 1 ,:) = pt2d(jpim1-kexti: jpim1 ,:) ! east |
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64 | pt2d( jpi :jpi+kexti,:) = pt2d( 2 :2+kexti,:) ! west |
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65 | ! |
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66 | ELSE !* closed |
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67 | # if defined SINGLE_PRECISION |
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68 | IF( .NOT. cd_type == 'F' ) pt2d( 1-kexti :nn_hls ,:) = 0._sp ! east except at F-point |
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69 | pt2d(jpi-nn_hls+1:jpi+kexti,:) = 0._sp ! west |
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70 | # else |
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71 | IF( .NOT. cd_type == 'F' ) pt2d( 1-kexti :nn_hls ,:) = 0._dp ! east except at F-point |
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72 | pt2d(jpi-nn_hls+1:jpi+kexti,:) = 0._dp ! west |
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73 | # endif |
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74 | ENDIF |
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75 | ! ! North-South boundaries |
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76 | IF( l_Jperio ) THEN !* cyclic (only with no mpp j-split) |
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77 | pt2d(:,1-kextj: 1 ) = pt2d(:,jpjm1-kextj: jpjm1) ! north |
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78 | pt2d(:, jpj :jpj+kextj) = pt2d(:, 2 :2+kextj) ! south |
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79 | ELSE !* closed |
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80 | # if defined SINGLE_PRECISION |
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81 | IF( .NOT. cd_type == 'F' ) pt2d(:, 1-kextj :nn_hls ) = 0._sp ! north except at F-point |
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82 | pt2d(:,jpj-nn_hls+1:jpj+kextj) = 0._sp ! south |
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83 | # else |
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84 | IF( .NOT. cd_type == 'F' ) pt2d(:, 1-kextj :nn_hls ) = 0._dp ! north except at F-point |
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85 | pt2d(:,jpj-nn_hls+1:jpj+kextj) = 0._dp ! south |
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86 | # endif |
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87 | ENDIF |
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88 | ! |
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89 | |
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90 | ! north fold treatment |
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91 | ! ----------------------- |
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92 | IF( npolj /= 0 ) THEN |
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93 | ! |
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94 | SELECT CASE ( jpni ) |
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95 | CASE ( 1 ) ; CALL lbc_nfd ( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj ) |
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96 | CASE DEFAULT ; CALL LBCNORTH ( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj ) |
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97 | END SELECT |
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98 | ! |
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99 | ENDIF |
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100 | |
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101 | ! 2. East and west directions exchange |
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102 | ! ------------------------------------ |
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103 | ! we play with the neigbours AND the row number because of the periodicity |
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104 | ! |
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105 | SELECT CASE ( nbondi ) ! Read Dirichlet lateral conditions |
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106 | CASE ( -1, 0, 1 ) ! all exept 2 (i.e. close case) |
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107 | iihom = jpi - (2 * nn_hls) -kexti |
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108 | DO jl = 1, ipreci |
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109 | r2dew(:,jl,1) = pt2d(nn_hls+jl,:) |
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110 | r2dwe(:,jl,1) = pt2d(iihom +jl,:) |
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111 | END DO |
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112 | END SELECT |
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113 | ! |
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114 | ! ! Migrations |
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115 | imigr = ipreci * ( jpj + 2*kextj ) |
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116 | ! |
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117 | ! ! Migrations |
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118 | imigr = ipreci * ( jpj + 2*kextj ) |
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119 | ! |
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120 | IF( ln_timing ) CALL tic_tac(.TRUE.) |
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121 | ! |
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122 | SELECT CASE ( nbondi ) |
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123 | CASE ( -1 ) |
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124 | CALL SENDROUTINE( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req1 ) |
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125 | CALL RECVROUTINE( 1, r2dew(1-kextj,1,2), imigr, noea ) |
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126 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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127 | CASE ( 0 ) |
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128 | CALL SENDROUTINE( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 ) |
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129 | CALL SENDROUTINE( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req2 ) |
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130 | CALL RECVROUTINE( 1, r2dew(1-kextj,1,2), imigr, noea ) |
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131 | CALL RECVROUTINE( 2, r2dwe(1-kextj,1,2), imigr, nowe ) |
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132 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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133 | CALL mpi_wait(ml_req2,ml_stat,ml_err) |
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134 | CASE ( 1 ) |
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135 | CALL SENDROUTINE( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 ) |
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136 | CALL RECVROUTINE( 2, r2dwe(1-kextj,1,2), imigr, nowe ) |
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137 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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138 | END SELECT |
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139 | ! |
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140 | IF( ln_timing ) CALL tic_tac(.FALSE.) |
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141 | ! |
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142 | ! ! Write Dirichlet lateral conditions |
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143 | iihom = jpi - nn_hls |
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144 | ! |
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145 | SELECT CASE ( nbondi ) |
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146 | CASE ( -1 ) |
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147 | DO jl = 1, ipreci |
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148 | pt2d(iihom+jl,:) = r2dew(:,jl,2) |
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149 | END DO |
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150 | CASE ( 0 ) |
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151 | DO jl = 1, ipreci |
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152 | pt2d(jl-kexti,:) = r2dwe(:,jl,2) |
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153 | pt2d(iihom+jl,:) = r2dew(:,jl,2) |
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154 | END DO |
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155 | CASE ( 1 ) |
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156 | DO jl = 1, ipreci |
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157 | pt2d(jl-kexti,:) = r2dwe(:,jl,2) |
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158 | END DO |
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159 | END SELECT |
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160 | |
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161 | |
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162 | ! 3. North and south directions |
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163 | ! ----------------------------- |
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164 | ! always closed : we play only with the neigbours |
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165 | ! |
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166 | IF( nbondj /= 2 ) THEN ! Read Dirichlet lateral conditions |
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167 | ijhom = jpj - (2 * nn_hls) - kextj |
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168 | DO jl = 1, iprecj |
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169 | r2dsn(:,jl,1) = pt2d(:,ijhom +jl) |
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170 | r2dns(:,jl,1) = pt2d(:,nn_hls+jl) |
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171 | END DO |
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172 | ENDIF |
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173 | ! |
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174 | ! ! Migrations |
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175 | imigr = iprecj * ( jpi + 2*kexti ) |
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176 | ! |
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177 | IF( ln_timing ) CALL tic_tac(.TRUE.) |
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178 | ! |
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179 | SELECT CASE ( nbondj ) |
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180 | CASE ( -1 ) |
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181 | CALL SENDROUTINE( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req1 ) |
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182 | CALL RECVROUTINE( 3, r2dns(1-kexti,1,2), imigr, nono ) |
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183 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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184 | CASE ( 0 ) |
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185 | CALL SENDROUTINE( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 ) |
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186 | CALL SENDROUTINE( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req2 ) |
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187 | CALL RECVROUTINE( 3, r2dns(1-kexti,1,2), imigr, nono ) |
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188 | CALL RECVROUTINE( 4, r2dsn(1-kexti,1,2), imigr, noso ) |
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189 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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190 | CALL mpi_wait(ml_req2,ml_stat,ml_err) |
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191 | CASE ( 1 ) |
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192 | CALL SENDROUTINE( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 ) |
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193 | CALL RECVROUTINE( 4, r2dsn(1-kexti,1,2), imigr, noso ) |
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194 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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195 | END SELECT |
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196 | ! |
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197 | IF( ln_timing ) CALL tic_tac(.FALSE.) |
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198 | ! |
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199 | ! ! Write Dirichlet lateral conditions |
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200 | ijhom = jpj - nn_hls |
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201 | ! |
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202 | SELECT CASE ( nbondj ) |
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203 | CASE ( -1 ) |
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204 | DO jl = 1, iprecj |
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205 | pt2d(:,ijhom+jl) = r2dns(:,jl,2) |
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206 | END DO |
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207 | CASE ( 0 ) |
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208 | DO jl = 1, iprecj |
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209 | pt2d(:,jl-kextj) = r2dsn(:,jl,2) |
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210 | pt2d(:,ijhom+jl) = r2dns(:,jl,2) |
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211 | END DO |
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212 | CASE ( 1 ) |
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213 | DO jl = 1, iprecj |
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214 | pt2d(:,jl-kextj) = r2dsn(:,jl,2) |
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215 | END DO |
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216 | END SELECT |
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217 | ! |
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218 | END SUBROUTINE ROUTINE_LNK |
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219 | |
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220 | # undef LBCNORTH |
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221 | # undef PRECISION |
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222 | # undef SENDROUTINE |
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223 | # undef RECVROUTINE |
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