1 | MODULE lbclnk |
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2 | !!====================================================================== |
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3 | !! *** MODULE lbclnk *** |
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4 | !! NEMO : lateral boundary conditions |
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5 | !!===================================================================== |
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6 | !! History : OPA ! 1997-06 (G. Madec) Original code |
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7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
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8 | !! 3.2 ! 2009-03 (R. Benshila) External north fold treatment |
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9 | !! 3.5 ! 2012 (S.Mocavero, I. Epicoco) optimization of BDY comm. via lbc_bdy_lnk and lbc_obc_lnk |
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10 | !! 3.4 ! 2012-12 (R. Bourdalle-Badie, G. Reffray) add a C1D case |
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11 | !! 3.6 ! 2015-06 (O. Tintó and M. Castrillo) add lbc_lnk_multi |
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12 | !! 4.0 ! 2017-03 (G. Madec) automatique allocation of array size (use with any 3rd dim size) |
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13 | !! - ! 2017-04 (G. Madec) remove duplicated routines (lbc_lnk_2d_9, lbc_lnk_2d_multiple, lbc_lnk_3d_gather) |
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14 | !! - ! 2017-05 (G. Madec) create generic.h90 files to generate all lbc and north fold routines |
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15 | !!---------------------------------------------------------------------- |
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16 | !! define the generic interfaces of lib_mpp routines |
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17 | !!---------------------------------------------------------------------- |
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18 | !! lbc_lnk : generic interface for mpp_lnk_3d and mpp_lnk_2d routines defined in lib_mpp |
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19 | !! lbc_bdy_lnk : generic interface for mpp_lnk_bdy_2d and mpp_lnk_bdy_3d routines defined in lib_mpp |
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20 | !!---------------------------------------------------------------------- |
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21 | USE dom_oce ! ocean space and time domain |
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22 | USE lib_mpp ! distributed memory computing library |
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23 | USE lbcnfd ! north fold |
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24 | USE in_out_manager ! I/O manager |
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25 | |
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26 | IMPLICIT NONE |
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27 | PRIVATE |
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28 | |
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29 | INTERFACE lbc_lnk |
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30 | MODULE PROCEDURE mpp_lnk_2d , mpp_lnk_3d , mpp_lnk_4d |
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31 | END INTERFACE |
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32 | INTERFACE lbc_lnk_ptr |
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33 | MODULE PROCEDURE mpp_lnk_2d_ptr , mpp_lnk_3d_ptr , mpp_lnk_4d_ptr |
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34 | END INTERFACE |
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35 | INTERFACE lbc_lnk_multi |
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36 | MODULE PROCEDURE lbc_lnk_2d_multi, lbc_lnk_3d_multi, lbc_lnk_4d_multi |
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37 | END INTERFACE |
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38 | ! |
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39 | INTERFACE lbc_lnk_icb |
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40 | MODULE PROCEDURE mpp_lnk_2d_icb |
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41 | END INTERFACE |
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42 | |
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43 | INTERFACE mpp_nfd |
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44 | MODULE PROCEDURE mpp_nfd_2d , mpp_nfd_3d , mpp_nfd_4d |
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45 | MODULE PROCEDURE mpp_nfd_2d_ptr, mpp_nfd_3d_ptr, mpp_nfd_4d_ptr |
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46 | END INTERFACE |
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47 | |
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48 | PUBLIC lbc_lnk ! ocean/ice lateral boundary conditions |
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49 | PUBLIC lbc_lnk_multi ! modified ocean/ice lateral boundary conditions |
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50 | PUBLIC lbc_lnk_icb ! iceberg lateral boundary conditions |
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51 | |
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52 | #if defined key_mpp_mpi |
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53 | !$AGRIF_DO_NOT_TREAT |
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54 | INCLUDE 'mpif.h' |
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55 | !$AGRIF_END_DO_NOT_TREAT |
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56 | #endif |
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57 | |
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58 | INTEGER, PUBLIC, PARAMETER :: jpfillnothing = 1 |
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59 | INTEGER, PUBLIC, PARAMETER :: jpfillcst = 2 |
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60 | INTEGER, PUBLIC, PARAMETER :: jpfillcopy = 3 |
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61 | INTEGER, PUBLIC, PARAMETER :: jpfillperio = 4 |
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62 | INTEGER, PUBLIC, PARAMETER :: jpfillmpi = 5 |
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63 | |
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64 | !! * Substitutions |
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65 | # include "do_loop_substitute.h90" |
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66 | !!---------------------------------------------------------------------- |
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67 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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68 | !! $Id$ |
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69 | !! Software governed by the CeCILL license (see ./LICENSE) |
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70 | !!---------------------------------------------------------------------- |
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71 | CONTAINS |
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72 | |
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73 | !!---------------------------------------------------------------------- |
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74 | !! *** load_ptr_(2,3,4)d *** |
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75 | !! |
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76 | !! * Dummy Argument : |
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77 | !! in ==> ptab ! array to be loaded (2D, 3D or 4D) |
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78 | !! cd_nat ! nature of pt2d array grid-points |
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79 | !! psgn ! sign used across the north fold boundary |
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80 | !! inout <=> ptab_ptr ! array of 2D, 3D or 4D pointers |
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81 | !! cdna_ptr ! nature of ptab array grid-points |
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82 | !! psgn_ptr ! sign used across the north fold boundary |
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83 | !! kfld ! number of elements that has been attributed |
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84 | !!---------------------------------------------------------------------- |
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85 | |
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86 | !!---------------------------------------------------------------------- |
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87 | !! *** lbc_lnk_(2,3,4)d_multi *** |
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88 | !! *** load_ptr_(2,3,4)d *** |
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89 | !! |
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90 | !! * Argument : dummy argument use in lbc_lnk_multi_... routines |
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91 | !! |
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92 | !!---------------------------------------------------------------------- |
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93 | |
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94 | # define DIM_2d |
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95 | # define ROUTINE_LOAD load_ptr_2d |
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96 | # define ROUTINE_MULTI lbc_lnk_2d_multi |
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97 | # include "lbc_lnk_multi_generic.h90" |
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98 | # undef ROUTINE_MULTI |
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99 | # undef ROUTINE_LOAD |
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100 | # undef DIM_2d |
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101 | |
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102 | # define DIM_3d |
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103 | # define ROUTINE_LOAD load_ptr_3d |
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104 | # define ROUTINE_MULTI lbc_lnk_3d_multi |
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105 | # include "lbc_lnk_multi_generic.h90" |
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106 | # undef ROUTINE_MULTI |
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107 | # undef ROUTINE_LOAD |
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108 | # undef DIM_3d |
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109 | |
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110 | # define DIM_4d |
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111 | # define ROUTINE_LOAD load_ptr_4d |
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112 | # define ROUTINE_MULTI lbc_lnk_4d_multi |
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113 | # include "lbc_lnk_multi_generic.h90" |
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114 | # undef ROUTINE_MULTI |
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115 | # undef ROUTINE_LOAD |
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116 | # undef DIM_4d |
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117 | |
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118 | !!---------------------------------------------------------------------- |
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119 | !! *** routine mpp_lnk_(2,3,4)d *** |
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120 | !! |
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121 | !! * Argument : dummy argument use in mpp_lnk_... routines |
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122 | !! ptab : array or pointer of arrays on which the boundary condition is applied |
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123 | !! cd_nat : nature of array grid-points |
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124 | !! psgn : sign used across the north fold boundary |
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125 | !! kfld : optional, number of pt3d arrays |
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126 | !! kfillmode : optional, method to be use to fill the halos (see jpfill* variables) |
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127 | !! pfillval : optional, background value (used with jpfillcopy) |
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128 | !!---------------------------------------------------------------------- |
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129 | ! |
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130 | ! !== 2D array and array of 2D pointer ==! |
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131 | ! |
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132 | # define DIM_2d |
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133 | # define ROUTINE_LNK mpp_lnk_2d |
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134 | # include "mpp_lnk_generic.h90" |
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135 | # undef ROUTINE_LNK |
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136 | # define MULTI |
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137 | # define ROUTINE_LNK mpp_lnk_2d_ptr |
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138 | # include "mpp_lnk_generic.h90" |
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139 | # undef ROUTINE_LNK |
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140 | # undef MULTI |
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141 | # undef DIM_2d |
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142 | ! |
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143 | ! !== 3D array and array of 3D pointer ==! |
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144 | ! |
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145 | # define DIM_3d |
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146 | # define ROUTINE_LNK mpp_lnk_3d |
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147 | # include "mpp_lnk_generic.h90" |
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148 | # undef ROUTINE_LNK |
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149 | # define MULTI |
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150 | # define ROUTINE_LNK mpp_lnk_3d_ptr |
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151 | # include "mpp_lnk_generic.h90" |
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152 | # undef ROUTINE_LNK |
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153 | # undef MULTI |
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154 | # undef DIM_3d |
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155 | ! |
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156 | ! !== 4D array and array of 4D pointer ==! |
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157 | ! |
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158 | # define DIM_4d |
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159 | # define ROUTINE_LNK mpp_lnk_4d |
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160 | # include "mpp_lnk_generic.h90" |
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161 | # undef ROUTINE_LNK |
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162 | # define MULTI |
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163 | # define ROUTINE_LNK mpp_lnk_4d_ptr |
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164 | # include "mpp_lnk_generic.h90" |
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165 | # undef ROUTINE_LNK |
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166 | # undef MULTI |
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167 | # undef DIM_4d |
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168 | |
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169 | !!---------------------------------------------------------------------- |
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170 | !! *** routine mpp_nfd_(2,3,4)d *** |
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171 | !! |
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172 | !! * Argument : dummy argument use in mpp_nfd_... routines |
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173 | !! ptab : array or pointer of arrays on which the boundary condition is applied |
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174 | !! cd_nat : nature of array grid-points |
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175 | !! psgn : sign used across the north fold boundary |
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176 | !! kfld : optional, number of pt3d arrays |
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177 | !! kfillmode : optional, method to be use to fill the halos (see jpfill* variables) |
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178 | !! pfillval : optional, background value (used with jpfillcopy) |
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179 | !!---------------------------------------------------------------------- |
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180 | ! |
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181 | ! !== 2D array and array of 2D pointer ==! |
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182 | ! |
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183 | # define DIM_2d |
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184 | # define ROUTINE_NFD mpp_nfd_2d |
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185 | # include "mpp_nfd_generic.h90" |
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186 | # undef ROUTINE_NFD |
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187 | # define MULTI |
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188 | # define ROUTINE_NFD mpp_nfd_2d_ptr |
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189 | # include "mpp_nfd_generic.h90" |
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190 | # undef ROUTINE_NFD |
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191 | # undef MULTI |
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192 | # undef DIM_2d |
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193 | ! |
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194 | ! !== 3D array and array of 3D pointer ==! |
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195 | ! |
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196 | # define DIM_3d |
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197 | # define ROUTINE_NFD mpp_nfd_3d |
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198 | # include "mpp_nfd_generic.h90" |
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199 | # undef ROUTINE_NFD |
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200 | # define MULTI |
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201 | # define ROUTINE_NFD mpp_nfd_3d_ptr |
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202 | # include "mpp_nfd_generic.h90" |
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203 | # undef ROUTINE_NFD |
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204 | # undef MULTI |
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205 | # undef DIM_3d |
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206 | ! |
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207 | ! !== 4D array and array of 4D pointer ==! |
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208 | ! |
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209 | # define DIM_4d |
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210 | # define ROUTINE_NFD mpp_nfd_4d |
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211 | # include "mpp_nfd_generic.h90" |
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212 | # undef ROUTINE_NFD |
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213 | # define MULTI |
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214 | # define ROUTINE_NFD mpp_nfd_4d_ptr |
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215 | # include "mpp_nfd_generic.h90" |
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216 | # undef ROUTINE_NFD |
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217 | # undef MULTI |
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218 | # undef DIM_4d |
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219 | |
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220 | |
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221 | !!====================================================================== |
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222 | |
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223 | |
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224 | |
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225 | SUBROUTINE mpp_lbc_north_icb( pt2d, cd_type, psgn, kextj) |
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226 | !!--------------------------------------------------------------------- |
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227 | !! *** routine mpp_lbc_north_icb *** |
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228 | !! |
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229 | !! ** Purpose : Ensure proper north fold horizontal bondary condition |
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230 | !! in mpp configuration in case of jpn1 > 1 and for 2d |
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231 | !! array with outer extra halo |
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232 | !! |
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233 | !! ** Method : North fold condition and mpp with more than one proc |
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234 | !! in i-direction require a specific treatment. We gather |
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235 | !! the 4+kextj northern lines of the global domain on 1 |
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236 | !! processor and apply lbc north-fold on this sub array. |
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237 | !! Then we scatter the north fold array back to the processors. |
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238 | !! This routine accounts for an extra halo with icebergs |
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239 | !! and assumes ghost rows and columns have been suppressed. |
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240 | !! |
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241 | !!---------------------------------------------------------------------- |
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242 | REAL(wp), DIMENSION(:,:), INTENT(inout) :: pt2d ! 2D array with extra halo |
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243 | CHARACTER(len=1) , INTENT(in ) :: cd_type ! nature of pt3d grid-points |
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244 | ! ! = T , U , V , F or W -points |
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245 | REAL(wp) , INTENT(in ) :: psgn ! = -1. the sign change across the |
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246 | !! ! north fold, = 1. otherwise |
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247 | INTEGER , INTENT(in ) :: kextj ! Extra halo width at north fold |
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248 | ! |
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249 | INTEGER :: ji, jj, jr |
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250 | INTEGER :: ierr, itaille, ildi, ilei, iilb |
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251 | INTEGER :: ipj, ij, iproc |
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252 | ! |
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253 | REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: ztab_e, znorthloc_e |
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254 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: znorthgloio_e |
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255 | !!---------------------------------------------------------------------- |
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256 | #if defined key_mpp_mpi |
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257 | ! |
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258 | ipj=4 |
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259 | ALLOCATE( ztab_e(jpiglo, 1-kextj:ipj+kextj) , & |
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260 | & znorthloc_e(jpimax, 1-kextj:ipj+kextj) , & |
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261 | & znorthgloio_e(jpimax, 1-kextj:ipj+kextj,jpni) ) |
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262 | ! |
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263 | ztab_e(:,:) = 0._wp |
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264 | znorthloc_e(:,:) = 0._wp |
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265 | ! |
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266 | ij = 1 - kextj |
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267 | ! put the last ipj+2*kextj lines of pt2d into znorthloc_e |
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268 | DO jj = jpj - ipj + 1 - kextj , jpj + kextj |
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269 | znorthloc_e(1:jpi,ij)=pt2d(1:jpi,jj) |
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270 | ij = ij + 1 |
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271 | END DO |
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272 | ! |
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273 | itaille = jpimax * ( ipj + 2*kextj ) |
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274 | ! |
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275 | IF( ln_timing ) CALL tic_tac(.TRUE.) |
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276 | CALL MPI_ALLGATHER( znorthloc_e(1,1-kextj) , itaille, MPI_DOUBLE_PRECISION, & |
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277 | & znorthgloio_e(1,1-kextj,1), itaille, MPI_DOUBLE_PRECISION, & |
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278 | & ncomm_north, ierr ) |
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279 | ! |
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280 | IF( ln_timing ) CALL tic_tac(.FALSE.) |
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281 | ! |
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282 | DO jr = 1, ndim_rank_north ! recover the global north array |
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283 | iproc = nrank_north(jr) + 1 |
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284 | ildi = nldit (iproc) |
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285 | ilei = nleit (iproc) |
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286 | iilb = nimppt(iproc) |
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287 | DO jj = 1-kextj, ipj+kextj |
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288 | DO ji = ildi, ilei |
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289 | ztab_e(ji+iilb-1,jj) = znorthgloio_e(ji,jj,jr) |
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290 | END DO |
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291 | END DO |
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292 | END DO |
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293 | |
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294 | ! 2. North-Fold boundary conditions |
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295 | ! ---------------------------------- |
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296 | CALL lbc_nfd( ztab_e(:,1-kextj:ipj+kextj), cd_type, psgn, kextj ) |
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297 | |
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298 | ij = 1 - kextj |
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299 | !! Scatter back to pt2d |
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300 | DO jj = jpj - ipj + 1 - kextj , jpj + kextj |
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301 | DO ji= 1, jpi |
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302 | pt2d(ji,jj) = ztab_e(ji+nimpp-1,ij) |
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303 | END DO |
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304 | ij = ij +1 |
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305 | END DO |
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306 | ! |
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307 | DEALLOCATE( ztab_e, znorthloc_e, znorthgloio_e ) |
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308 | ! |
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309 | #endif |
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310 | END SUBROUTINE mpp_lbc_north_icb |
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311 | |
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312 | |
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313 | SUBROUTINE mpp_lnk_2d_icb( cdname, pt2d, cd_type, psgn, kexti, kextj ) |
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314 | !!---------------------------------------------------------------------- |
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315 | !! *** routine mpp_lnk_2d_icb *** |
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316 | !! |
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317 | !! ** Purpose : Message passing management for 2d array (with extra halo for icebergs) |
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318 | !! This routine receives a (1-kexti:jpi+kexti,1-kexti:jpj+kextj) |
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319 | !! array (usually (0:jpi+1, 0:jpj+1)) from lbc_lnk_icb calls. |
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320 | !! |
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321 | !! ** Method : Use mppsend and mpprecv function for passing mask |
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322 | !! between processors following neighboring subdomains. |
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323 | !! domain parameters |
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324 | !! jpi : first dimension of the local subdomain |
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325 | !! jpj : second dimension of the local subdomain |
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326 | !! kexti : number of columns for extra outer halo |
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327 | !! kextj : number of rows for extra outer halo |
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328 | !! nbondi : mark for "east-west local boundary" |
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329 | !! nbondj : mark for "north-south local boundary" |
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330 | !! noea : number for local neighboring processors |
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331 | !! nowe : number for local neighboring processors |
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332 | !! noso : number for local neighboring processors |
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333 | !! nono : number for local neighboring processors |
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334 | !!---------------------------------------------------------------------- |
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335 | CHARACTER(len=*) , INTENT(in ) :: cdname ! name of the calling subroutine |
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336 | REAL(wp), DIMENSION(1-kexti:jpi+kexti,1-kextj:jpj+kextj), INTENT(inout) :: pt2d ! 2D array with extra halo |
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337 | CHARACTER(len=1) , INTENT(in ) :: cd_type ! nature of ptab array grid-points |
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338 | REAL(wp) , INTENT(in ) :: psgn ! sign used across the north fold |
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339 | INTEGER , INTENT(in ) :: kexti ! extra i-halo width |
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340 | INTEGER , INTENT(in ) :: kextj ! extra j-halo width |
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341 | ! |
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342 | INTEGER :: jl ! dummy loop indices |
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343 | INTEGER :: imigr, iihom, ijhom ! local integers |
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344 | INTEGER :: ipreci, iprecj ! - - |
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345 | INTEGER :: ml_req1, ml_req2, ml_err ! for key_mpi_isend |
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346 | INTEGER, DIMENSION(MPI_STATUS_SIZE) :: ml_stat ! for key_mpi_isend |
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347 | !! |
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348 | REAL(wp), DIMENSION(1-kexti:jpi+kexti,nn_hls+kextj,2) :: r2dns, r2dsn |
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349 | REAL(wp), DIMENSION(1-kextj:jpj+kextj,nn_hls+kexti,2) :: r2dwe, r2dew |
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350 | !!---------------------------------------------------------------------- |
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351 | |
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352 | ipreci = nn_hls + kexti ! take into account outer extra 2D overlap area |
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353 | iprecj = nn_hls + kextj |
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354 | |
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355 | IF( narea == 1 .AND. numcom == -1 ) CALL mpp_report( cdname, 1, 1, 1, ld_lbc = .TRUE. ) |
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356 | |
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357 | ! 1. standard boundary treatment |
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358 | ! ------------------------------ |
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359 | ! Order matters Here !!!! |
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360 | ! |
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361 | ! ! East-West boundaries |
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362 | ! !* Cyclic east-west |
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363 | IF( l_Iperio ) THEN |
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364 | pt2d(1-kexti: 1 ,:) = pt2d(jpim1-kexti: jpim1 ,:) ! east |
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365 | pt2d( jpi :jpi+kexti,:) = pt2d( 2 :2+kexti,:) ! west |
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366 | ! |
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367 | ELSE !* closed |
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368 | IF( .NOT. cd_type == 'F' ) pt2d( 1-kexti :nn_hls ,:) = 0._wp ! east except at F-point |
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369 | pt2d(jpi-nn_hls+1:jpi+kexti,:) = 0._wp ! west |
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370 | ENDIF |
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371 | ! ! North-South boundaries |
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372 | IF( l_Jperio ) THEN !* cyclic (only with no mpp j-split) |
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373 | pt2d(:,1-kextj: 1 ) = pt2d(:,jpjm1-kextj: jpjm1) ! north |
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374 | pt2d(:, jpj :jpj+kextj) = pt2d(:, 2 :2+kextj) ! south |
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375 | ELSE !* closed |
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376 | IF( .NOT. cd_type == 'F' ) pt2d(:, 1-kextj :nn_hls ) = 0._wp ! north except at F-point |
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377 | pt2d(:,jpj-nn_hls+1:jpj+kextj) = 0._wp ! south |
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378 | ENDIF |
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379 | ! |
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380 | |
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381 | ! north fold treatment |
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382 | ! ----------------------- |
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383 | IF( npolj /= 0 ) THEN |
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384 | ! |
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385 | SELECT CASE ( jpni ) |
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386 | CASE ( 1 ) ; CALL lbc_nfd ( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj ) |
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387 | CASE DEFAULT ; CALL mpp_lbc_north_icb( pt2d(1:jpi,1:jpj+kextj), cd_type, psgn, kextj ) |
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388 | END SELECT |
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389 | ! |
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390 | ENDIF |
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391 | |
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392 | ! 2. East and west directions exchange |
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393 | ! ------------------------------------ |
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394 | ! we play with the neigbours AND the row number because of the periodicity |
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395 | ! |
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396 | SELECT CASE ( nbondi ) ! Read Dirichlet lateral conditions |
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397 | CASE ( -1, 0, 1 ) ! all exept 2 (i.e. close case) |
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398 | iihom = jpi-nreci-kexti |
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399 | DO jl = 1, ipreci |
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400 | r2dew(:,jl,1) = pt2d(nn_hls+jl,:) |
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401 | r2dwe(:,jl,1) = pt2d(iihom +jl,:) |
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402 | END DO |
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403 | END SELECT |
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404 | ! |
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405 | ! ! Migrations |
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406 | imigr = ipreci * ( jpj + 2*kextj ) |
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407 | ! |
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408 | IF( ln_timing ) CALL tic_tac(.TRUE.) |
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409 | ! |
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410 | SELECT CASE ( nbondi ) |
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411 | CASE ( -1 ) |
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412 | CALL mppsend( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req1 ) |
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413 | CALL mpprecv( 1, r2dew(1-kextj,1,2), imigr, noea ) |
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414 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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415 | CASE ( 0 ) |
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416 | CALL mppsend( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 ) |
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417 | CALL mppsend( 2, r2dwe(1-kextj,1,1), imigr, noea, ml_req2 ) |
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418 | CALL mpprecv( 1, r2dew(1-kextj,1,2), imigr, noea ) |
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419 | CALL mpprecv( 2, r2dwe(1-kextj,1,2), imigr, nowe ) |
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420 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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421 | CALL mpi_wait(ml_req2,ml_stat,ml_err) |
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422 | CASE ( 1 ) |
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423 | CALL mppsend( 1, r2dew(1-kextj,1,1), imigr, nowe, ml_req1 ) |
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424 | CALL mpprecv( 2, r2dwe(1-kextj,1,2), imigr, nowe ) |
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425 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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426 | END SELECT |
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427 | ! |
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428 | IF( ln_timing ) CALL tic_tac(.FALSE.) |
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429 | ! |
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430 | ! ! Write Dirichlet lateral conditions |
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431 | iihom = jpi - nn_hls |
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432 | ! |
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433 | SELECT CASE ( nbondi ) |
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434 | CASE ( -1 ) |
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435 | DO jl = 1, ipreci |
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436 | pt2d(iihom+jl,:) = r2dew(:,jl,2) |
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437 | END DO |
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438 | CASE ( 0 ) |
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439 | DO jl = 1, ipreci |
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440 | pt2d(jl-kexti,:) = r2dwe(:,jl,2) |
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441 | pt2d(iihom+jl,:) = r2dew(:,jl,2) |
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442 | END DO |
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443 | CASE ( 1 ) |
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444 | DO jl = 1, ipreci |
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445 | pt2d(jl-kexti,:) = r2dwe(:,jl,2) |
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446 | END DO |
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447 | END SELECT |
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448 | |
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449 | |
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450 | ! 3. North and south directions |
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451 | ! ----------------------------- |
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452 | ! always closed : we play only with the neigbours |
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453 | ! |
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454 | IF( nbondj /= 2 ) THEN ! Read Dirichlet lateral conditions |
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455 | ijhom = jpj-nrecj-kextj |
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456 | DO jl = 1, iprecj |
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457 | r2dsn(:,jl,1) = pt2d(:,ijhom +jl) |
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458 | r2dns(:,jl,1) = pt2d(:,nn_hls+jl) |
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459 | END DO |
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460 | ENDIF |
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461 | ! |
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462 | ! ! Migrations |
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463 | imigr = iprecj * ( jpi + 2*kexti ) |
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464 | ! |
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465 | IF( ln_timing ) CALL tic_tac(.TRUE.) |
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466 | ! |
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467 | SELECT CASE ( nbondj ) |
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468 | CASE ( -1 ) |
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469 | CALL mppsend( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req1 ) |
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470 | CALL mpprecv( 3, r2dns(1-kexti,1,2), imigr, nono ) |
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471 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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472 | CASE ( 0 ) |
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473 | CALL mppsend( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 ) |
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474 | CALL mppsend( 4, r2dsn(1-kexti,1,1), imigr, nono, ml_req2 ) |
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475 | CALL mpprecv( 3, r2dns(1-kexti,1,2), imigr, nono ) |
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476 | CALL mpprecv( 4, r2dsn(1-kexti,1,2), imigr, noso ) |
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477 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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478 | CALL mpi_wait(ml_req2,ml_stat,ml_err) |
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479 | CASE ( 1 ) |
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480 | CALL mppsend( 3, r2dns(1-kexti,1,1), imigr, noso, ml_req1 ) |
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481 | CALL mpprecv( 4, r2dsn(1-kexti,1,2), imigr, noso ) |
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482 | CALL mpi_wait(ml_req1,ml_stat,ml_err) |
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483 | END SELECT |
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484 | ! |
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485 | IF( ln_timing ) CALL tic_tac(.FALSE.) |
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486 | ! |
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487 | ! ! Write Dirichlet lateral conditions |
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488 | ijhom = jpj - nn_hls |
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489 | ! |
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490 | SELECT CASE ( nbondj ) |
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491 | CASE ( -1 ) |
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492 | DO jl = 1, iprecj |
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493 | pt2d(:,ijhom+jl) = r2dns(:,jl,2) |
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494 | END DO |
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495 | CASE ( 0 ) |
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496 | DO jl = 1, iprecj |
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497 | pt2d(:,jl-kextj) = r2dsn(:,jl,2) |
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498 | pt2d(:,ijhom+jl) = r2dns(:,jl,2) |
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499 | END DO |
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500 | CASE ( 1 ) |
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501 | DO jl = 1, iprecj |
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502 | pt2d(:,jl-kextj) = r2dsn(:,jl,2) |
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503 | END DO |
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504 | END SELECT |
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505 | ! |
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506 | END SUBROUTINE mpp_lnk_2d_icb |
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507 | |
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508 | END MODULE lbclnk |
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509 | |
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