1 | MODULE halo_mng |
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2 | !!====================================================================== |
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3 | !! *** MODULE halo_mng *** |
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4 | !! Ocean numerics: massively parallel processing library |
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5 | !!===================================================================== |
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6 | !! History : OPA ! 1994 (M. Guyon, J. Escobar, M. Imbard) |
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7 | !Original code |
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8 | !! 4.0 ! 2019 (CMCC - ASC) initial version of halo management module |
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9 | !in_out_manager |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | USE dom_oce ! ocean space and time domain |
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13 | |
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14 | IMPLICIT NONE |
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15 | PRIVATE |
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16 | |
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17 | INTERFACE halo_mng_copy |
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18 | MODULE PROCEDURE halo_mng_copy_2D, halo_mng_copy_3d, halo_mng_copy_4d |
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19 | END INTERFACE |
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20 | |
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21 | PUBLIC halo_mng_copy |
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22 | PUBLIC halo_mng_init |
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23 | PUBLIC halo_mng_set |
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24 | |
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25 | INTEGER :: jpi_1, jpj_1 |
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26 | INTEGER :: jpimax_1, jpjmax_1 |
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27 | INTEGER :: nlci_1, nlcj_1 |
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28 | INTEGER :: jplbi_1, jplbj_1 |
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29 | CONTAINS |
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30 | |
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31 | SUBROUTINE halo_mng_init( ) |
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32 | |
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33 | jpi_1 = jpi |
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34 | jpj_1 = jpj |
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35 | |
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36 | nlci_1 = nlci |
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37 | nlcj_1 = nlcj |
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38 | |
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39 | jplbi_1 = 1 |
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40 | jplbj_1 = 1 |
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41 | |
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42 | jplbi = 1 |
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43 | jplbj = 1 |
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44 | |
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45 | jpimax_1 = jpimax |
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46 | jpjmax_1 = jpjmax |
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47 | |
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48 | END SUBROUTINE halo_mng_init |
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49 | |
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50 | SUBROUTINE halo_mng_set( khls ) |
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51 | |
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52 | INTEGER, INTENT(in ) :: khls |
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53 | |
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54 | nn_hls = khls |
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55 | jpi = jpi_1 + khls -1 |
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56 | jpj = jpj_1 + khls -1 |
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57 | |
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58 | nlci = nlci_1 + khls -1 |
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59 | nlcj = nlcj_1 + khls -1 |
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60 | |
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61 | jplbi = jplbi_1 - khls +1 |
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62 | jplbj = jplbj_1 - khls +1 |
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63 | |
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64 | jpimax = jpimax_1 + khls -1 |
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65 | jpjmax = jpjmax_1 + khls -1 |
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66 | |
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67 | END SUBROUTINE halo_mng_set |
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68 | |
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69 | SUBROUTINE halo_mng_copy_2D(pta_1, pta_2) |
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70 | !!---------------------------------------------------------------------- |
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71 | !! *** ROUTINE halo_mng_copy *** |
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72 | !! |
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73 | !! ** Purpose : copy pta_1 into pta_2 |
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74 | !! ** Method : |
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75 | !! History : |
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76 | !! 1.0 ! 07-19 ( CMCC - ASC ) halo_mng_copy |
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77 | !!---------------------------------------------------------------------- |
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78 | REAL(wp), DIMENSION(:,:), INTENT(in) :: pta_1 |
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79 | REAL(wp), DIMENSION(:,:), INTENT(out) :: pta_2 |
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80 | INTEGER :: halo, off1, off2 |
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81 | INTEGER, DIMENSION(2) :: dim |
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82 | |
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83 | halo = (SIZE(pta_1,1) - SIZE(pta_2,1))/2 |
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84 | IF (halo < 0) THEN |
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85 | off1 = 0 |
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86 | off2 = -halo |
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87 | dim = SHAPE(pta_1) |
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88 | ELSE |
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89 | off1 = halo |
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90 | off2 = 0 |
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91 | dim = SHAPE(pta_2) |
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92 | END IF |
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93 | |
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94 | pta_2(1+off2:SIZE(pta_2,1)-off2, 1+off2:SIZE(pta_2,2)-off2) = pta_1(1+off1:SIZE(pta_1,1)-off1, 1+off1:SIZE(pta_1,2)-off1) |
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95 | |
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96 | |
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97 | END SUBROUTINE halo_mng_copy_2D |
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98 | |
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99 | SUBROUTINE halo_mng_copy_3D(pta_1, pta_2) |
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100 | !!---------------------------------------------------------------------- |
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101 | !! *** ROUTINE halo_mng_copy *** |
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102 | !! |
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103 | !! ** Purpose : copy pta_1 into pta_2 |
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104 | !! ** Method : |
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105 | !! History : |
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106 | !! 1.0 ! 07-19 ( CMCC - ASC ) halo_mng_copy |
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107 | !!---------------------------------------------------------------------- |
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108 | REAL(wp), DIMENSION(:,:,:), INTENT(in) :: pta_1 |
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109 | REAL(wp), DIMENSION(:,:,:), INTENT(out) :: pta_2 |
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110 | |
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111 | INTEGER :: halo, off1, off2 |
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112 | INTEGER, DIMENSION(3) :: dim |
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113 | |
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114 | halo = (SIZE(pta_1,1) - SIZE(pta_2,1))/2 |
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115 | IF (halo < 0) THEN |
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116 | off1 = 0 |
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117 | off2 = -halo |
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118 | dim = SHAPE(pta_1) |
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119 | ELSE |
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120 | off1 = halo |
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121 | off2 = 0 |
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122 | dim = SHAPE(pta_2) |
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123 | END IF |
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124 | |
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125 | pta_2(1+off2:SIZE(pta_2,1)-off2, 1+off2:SIZE(pta_2,2)-off2,:) = pta_1(1+off1:SIZE(pta_1,1)-off1, 1+off1:SIZE(pta_1,2)-off1,:) |
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126 | |
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127 | END SUBROUTINE halo_mng_copy_3D |
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128 | |
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129 | SUBROUTINE halo_mng_copy_4D(pta_1, pta_2) |
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130 | !!---------------------------------------------------------------------- |
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131 | !! *** ROUTINE halo_mng_copy *** |
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132 | !! |
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133 | !! ** Purpose : copy pta_1 into pta_2 |
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134 | !! ** Method : |
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135 | !! History : |
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136 | !! 1.0 ! 07-19 ( CMCC - ASC ) halo_mng_copy |
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137 | !!---------------------------------------------------------------------- |
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138 | REAL(wp), DIMENSION(:,:,:,:), INTENT(in) :: pta_1 |
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139 | REAL(wp), DIMENSION(:,:,:,:), INTENT(out) :: pta_2 |
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140 | INTEGER :: halo, off1, off2 |
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141 | INTEGER, DIMENSION(4) :: dim |
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142 | |
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143 | halo = (SIZE(pta_1,1) - SIZE(pta_2,1))/2 |
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144 | IF (halo < 0) THEN |
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145 | off1 = 0 |
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146 | off2 = -halo |
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147 | dim = SHAPE(pta_1) |
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148 | ELSE |
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149 | off1 = halo |
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150 | off2 = 0 |
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151 | dim = SHAPE(pta_2) |
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152 | END IF |
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153 | |
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154 | pta_2(1+off2:SIZE(pta_2,1)-off2, 1+off2:SIZE(pta_2,2)-off2,:,:) = pta_1(1+off1:SIZE(pta_1,1)-off1, 1+off1:SIZE(pta_1,2)-off1,:,:) |
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155 | |
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156 | END SUBROUTINE halo_mng_copy_4D |
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157 | END MODULE |
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