1 | MODULE sol_oce_tam |
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2 | !!====================================================================== |
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3 | !! *** MODULE sol_oce_tam *** |
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4 | !! NEMOVAR : variables controlling the solver for tangent and adjoint models |
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5 | !!====================================================================== |
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6 | !! History of the direct module: |
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7 | !! 1.0 ! 2002-11 (G. Madec) F90: Free form and module |
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8 | !! 4.0 ! 2011-01 (A. R. Porter, STFC Daresbury) dynamical allocation |
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9 | !! History of the TAM module: |
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10 | !! 9.0 ! 09-03 (A. Weaver) original version |
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11 | !! NEMO 3.4 ! 2012-04 (P.-A. Bouttier) update |
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12 | !! NEMO 3.4 ! 2012-09 (A. Vidard) Deallocating and initialising options |
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13 | !!---------------------------------------------------------------------- |
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14 | |
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15 | !!---------------------------------------------------------------------- |
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16 | !! sol_oce_alloc : allocate the solver arrays |
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17 | !!---------------------------------------------------------------------- |
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18 | USE par_oce ! ocean parameters |
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19 | USE in_out_manager ! I/O manager |
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20 | USE lib_mpp ! distributed memory computing |
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21 | USE sol_oce |
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22 | #if defined key_dynspg_flt |
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23 | USE solver |
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24 | #endif |
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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 | PUBLIC & |
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30 | & sol_oce_alloc_tam, & |
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31 | & sol_oce_dealloc_tam, & |
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32 | & sol_oce_tam_init |
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33 | |
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34 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: gcx_tl, gcx_ad !: TA of now solution of the elliptic eq. |
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35 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: gcxb_tl, gcxb_ad !: TA of before solution of the elliptic eq. |
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36 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: gcb_tl, gcb_ad !: TA of second member of the elliptic eq. |
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37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: gcr_tl !: Tangent of residu =b-a.x |
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38 | INTEGER, PUBLIC, DIMENSION(:), SAVE, ALLOCATABLE :: nitsor ! Number of SOR iterations |
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39 | LOGICAL, PRIVATE, SAVE :: ll_alloctl = .FALSE., ll_allocad = .FALSE. |
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40 | |
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41 | !!---------------------------------------------------------------------- |
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42 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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43 | !! $Id$ |
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44 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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45 | !!---------------------------------------------------------------------- |
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46 | CONTAINS |
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47 | INTEGER FUNCTION sol_oce_alloc_tam( kmode ) |
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48 | !!---------------------------------------------------------------------- |
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49 | !! *** FUNCTION sol_oce_alloc *** |
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50 | !!---------------------------------------------------------------------- |
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51 | INTEGER, OPTIONAL :: kmode |
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52 | INTEGER :: ierr(3) |
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53 | INTEGER :: imode |
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54 | !!---------------------------------------------------------------------- |
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55 | IF ( PRESENT(kmode) ) THEN |
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56 | imode = kmode |
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57 | ELSE |
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58 | imode = 0 |
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59 | END IF |
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60 | ierr(:) = 0 |
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61 | ! |
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62 | IF ( .NOT. ALLOCATED(nitsor) ) THEN |
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63 | ALLOCATE( nitsor(nitend - nit000 - 1) , STAT=ierr(1) ) |
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64 | nitsor(:) = nn_nmin |
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65 | END IF |
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66 | IF ( ( imode == 0 ) .OR. ( imode == 1 ) .AND. ( .NOT. ll_alloctl ) ) THEN |
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67 | ALLOCATE( gcx_tl (1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , & |
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68 | & gcxb_tl(1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , & |
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69 | & gcb_tl (1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , & |
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70 | & gcr_tl (1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , STAT=ierr(2) ) |
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71 | ll_alloctl = .TRUE. |
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72 | END IF |
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73 | IF ( ( imode == 0 ) .OR. ( imode == 2 ) .AND. ( .NOT. ll_allocad ) ) THEN |
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74 | ALLOCATE( gcx_ad (1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , & |
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75 | & gcxb_ad(1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , & |
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76 | & gcb_ad (1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj) , STAT=ierr(3) ) |
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77 | ll_allocad = .TRUE. |
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78 | END IF |
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79 | ! |
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80 | sol_oce_alloc_tam = MAXVAL(ierr) |
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81 | ! |
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82 | IF( lk_mpp ) CALL mpp_sum ( sol_oce_alloc_tam ) |
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83 | IF( sol_oce_alloc_tam > 0 ) CALL ctl_warn('sol_oce_alloc_tam: allocation of arrays failed') |
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84 | ! |
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85 | END FUNCTION sol_oce_alloc_tam |
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86 | ! |
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87 | INTEGER FUNCTION sol_oce_dealloc_tam( kmode ) |
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88 | !!---------------------------------------------------------------------- |
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89 | !! *** FUNCTION sol_oce_dealloc *** |
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90 | !!---------------------------------------------------------------------- |
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91 | INTEGER, OPTIONAL :: kmode |
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92 | INTEGER :: ierr(3) |
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93 | INTEGER :: imode |
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94 | !!---------------------------------------------------------------------- |
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95 | IF ( PRESENT(kmode) ) THEN |
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96 | imode = kmode |
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97 | ELSE |
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98 | imode = 0 |
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99 | END IF |
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100 | |
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101 | ierr(:) = 0 |
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102 | ! |
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103 | |
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104 | IF ( ( imode == 0 ) .OR. ( imode == 1 ) .AND. ( ll_alloctl ) ) THEN |
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105 | DEALLOCATE( gcx_tl , & |
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106 | & gcxb_tl, & |
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107 | & gcb_tl , & |
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108 | & gcr_tl , STAT=ierr(2) ) |
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109 | ll_alloctl = .FALSE. |
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110 | END IF |
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111 | IF ( ( imode == 0 ) .OR. ( imode == 2 ) .AND. ( ll_allocad ) ) THEN |
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112 | DEALLOCATE( gcx_ad , & |
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113 | & gcxb_ad , & |
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114 | & gcb_ad , STAT=ierr(3) ) |
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115 | ll_allocad = .FALSE. |
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116 | END IF |
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117 | ! |
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118 | sol_oce_dealloc_tam = MAXVAL(ierr) |
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119 | ! |
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120 | IF( lk_mpp ) CALL mpp_sum ( sol_oce_dealloc_tam ) |
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121 | IF( sol_oce_dealloc_tam > 0 ) CALL ctl_warn('sol_oce_dealloc_tam: allocation of arrays failed') |
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122 | ! |
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123 | END FUNCTION sol_oce_dealloc_tam |
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124 | ! |
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125 | SUBROUTINE sol_oce_tam_init( kmode ) |
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126 | !!----------------------------------------------------------------------- |
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127 | !! |
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128 | !! *** ROUTINE sol_oce_tam_init *** |
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129 | !! |
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130 | !! ** Purpose : Allocate and initialize the tangent linear and |
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131 | !! adjoint arrays |
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132 | !! |
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133 | !! ** Method : kindic = 0 allocate/initialize both tl and ad variables |
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134 | !! kindic = 1 allocate/initialize only tl variables |
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135 | !! kindic = 2 allocate/initialize only ad variables |
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136 | !! |
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137 | !! ** Action : |
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138 | !! |
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139 | !! References : |
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140 | !! |
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141 | !! History : |
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142 | !! ! 2009-03 (A. Weaver) Initial version (based on oce_tam_init) |
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143 | !! ! 2010-04 (A. Vidard) Nemo3.2 update |
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144 | !! ! 2012-09 (A. Vidard) Nemo3.4 update |
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145 | !!----------------------------------------------------------------------- |
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146 | !! * Arguments |
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147 | INTEGER, INTENT(IN) :: kmode |
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148 | INTEGER :: ierr |
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149 | IF ( ( kmode == 0 ) .OR. ( kmode == 1 ) ) THEN |
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150 | IF ( .NOT. ll_alloctl ) ierr = sol_oce_alloc_tam ( 1 ) |
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151 | gcx_tl (:,:) = 0.0_wp |
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152 | gcxb_tl(:,:) = 0.0_wp |
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153 | gcb_tl (:,:) = 0.0_wp |
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154 | gcr_tl (:,:) = 0.0_wp |
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155 | END IF |
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156 | IF ( ( kmode == 0 ) .OR. ( kmode == 2 ) ) THEN |
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157 | IF ( .NOT. ll_allocad ) ierr = sol_oce_alloc_tam ( 2 ) |
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158 | gcx_ad (:,:) = 0.0_wp |
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159 | gcxb_ad(:,:) = 0.0_wp |
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160 | gcb_ad (:,:) = 0.0_wp |
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161 | END IF |
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162 | END SUBROUTINE sol_oce_tam_init |
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163 | !!====================================================================== |
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164 | |
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165 | END MODULE sol_oce_tam |
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