1 | ! |
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2 | ! $Id: modupdate.F 779 2007-12-22 17:04:17Z rblod $ |
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3 | ! |
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4 | ! AGRIF (Adaptive Grid Refinement In Fortran) |
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5 | ! |
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6 | ! Copyright (C) 2003 Laurent Debreu (Laurent.Debreu@imag.fr) |
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7 | ! Christophe Vouland (Christophe.Vouland@imag.fr) |
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8 | ! |
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9 | ! This program is free software; you can redistribute it and/or modify |
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10 | ! it under the terms of the GNU General Public License as published by |
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11 | ! the Free Software Foundation; either version 2 of the License, or |
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12 | ! (at your option) any later version. |
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13 | ! |
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14 | ! This program is distributed in the hope that it will be useful, |
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15 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | ! GNU General Public License for more details. |
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18 | ! |
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19 | ! You should have received a copy of the GNU General Public License |
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20 | ! along with this program; if not, write to the Free Software |
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21 | ! Foundation, Inc., 59 Temple Place- Suite 330, Boston, MA 02111-1307, USA. |
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22 | ! |
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23 | !---------------------------------------------------------------------------------------------------- |
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24 | !> Module Agrif_User_Variables |
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25 | !! |
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26 | !! This module contains a procedure which will help to define a new variable which will |
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27 | !! be used for interpolation/update. |
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28 | !---------------------------------------------------------------------------------------------------- |
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29 | ! |
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30 | module Agrif_User_Variables |
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31 | ! |
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32 | use Agrif_User_Functions |
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33 | ! |
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34 | implicit none |
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35 | ! |
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36 | contains |
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37 | ! |
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38 | !=================================================================================================== |
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39 | ! subroutine Agrif_Declare_Variable |
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40 | ! |
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41 | !> This subroutine is used to declare a profile (new variable) which will be used for interpolation/update |
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42 | !--------------------------------------------------------------------------------------------------- |
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43 | subroutine Agrif_Declare_Variable ( posvar, firstpoint, raf, lb, ub, varid, torestore ) |
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44 | !--------------------------------------------------------------------------------------------------- |
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45 | integer, dimension(:), intent(in) :: posvar !< position of the variable on the cell |
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46 | !! (1 for the border of the edge, 2 for the center) |
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47 | integer, dimension(:), intent(in) :: firstpoint !< index of the first point in the real domain |
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48 | character(1), dimension(:), intent(in) :: raf !< Array indicating the type of dimension (space or not) |
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49 | !! for each of them |
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50 | integer, dimension(:), intent(in) :: lb !< Lower bounds of the array |
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51 | integer, dimension(:), intent(in) :: ub !< Upper bounds of the array |
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52 | integer, intent(out) :: varid !< Id number of the newly created variable |
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53 | logical, optional, intent(in) :: torestore !< Indicates if the array restore is used |
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54 | !--------------------------------------------------------------------------------------------------- |
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55 | type(Agrif_Variables_List), pointer :: new_varlist |
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56 | type(Agrif_Variable), pointer :: var |
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57 | integer :: nbdim, i |
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58 | logical :: restore |
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59 | |
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60 | restore = .FALSE. |
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61 | if ( Agrif_Mygrid % ngridstep /= 0 ) then |
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62 | if (present(torestore)) restore = torestore |
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63 | endif |
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64 | ! |
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65 | nbdim = SIZE(posvar) |
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66 | ! |
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67 | allocate(new_varlist) |
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68 | allocate(new_varlist % var) |
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69 | |
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70 | var => new_varlist % var |
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71 | |
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72 | allocate(var % posvar(nbdim)) |
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73 | allocate(var % interptab(nbdim)) |
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74 | allocate(var % coords(nbdim)) |
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75 | ! |
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76 | var % nbdim = nbdim |
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77 | var % interptab = raf(1:nbdim) |
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78 | var % posvar = posvar(1:nbdim) |
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79 | var % point(1:nbdim) = firstpoint(1:nbdim) |
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80 | var % restore = restore |
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81 | ! |
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82 | do i = 1,nbdim |
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83 | select case( raf(i) ) |
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84 | case('x') ; var % coords(i) = 1 |
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85 | case('y') ; var % coords(i) = 2 |
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86 | case('z') ; var % coords(i) = 3 |
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87 | case('N') ; var % coords(i) = 0 |
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88 | case default ; var % coords(i) = 0 |
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89 | end select |
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90 | enddo |
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91 | ! |
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92 | var % lb(1:nbdim) = lb(1:nbdim) |
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93 | var % ub(1:nbdim) = ub(1:nbdim) |
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94 | |
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95 | |
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96 | if ( restore ) then |
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97 | select case(nbdim) |
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98 | case(1) |
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99 | allocate(var % Restore1D(lb(1):ub(1))) |
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100 | var % Restore1D = 0 |
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101 | case(2) |
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102 | allocate(var % Restore2D(lb(1):ub(1), & |
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103 | lb(2):ub(2))) |
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104 | var % Restore2D = 0 |
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105 | case(3) |
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106 | allocate(var % Restore3D(lb(1):ub(1), & |
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107 | lb(2):ub(2), & |
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108 | lb(3):ub(3))) |
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109 | var % Restore3D = 0 |
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110 | case(4) |
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111 | allocate(var % Restore4D(lb(1):ub(1), & |
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112 | lb(2):ub(2), & |
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113 | lb(3):ub(3), & |
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114 | lb(4):ub(4))) |
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115 | var % Restore4D = 0 |
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116 | case(5) |
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117 | allocate(var % Restore5D(lb(1):ub(1), & |
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118 | lb(2):ub(2), & |
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119 | lb(3):ub(3), & |
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120 | lb(4):ub(4), & |
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121 | lb(5):ub(5))) |
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122 | var % Restore5D = 0 |
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123 | end select |
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124 | endif |
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125 | |
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126 | new_varlist % next => Agrif_Curgrid % variables |
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127 | |
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128 | Agrif_Curgrid % variables => new_varlist |
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129 | Agrif_Curgrid % Nbvariables = Agrif_Curgrid % Nbvariables + 1 |
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130 | |
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131 | varid = Agrif_Curgrid % Nbvariables |
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132 | |
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133 | var % parent_var => Agrif_Search_Variable(Agrif_Curgrid % parent, Agrif_Curgrid % nbvariables) |
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134 | var % root_var => Agrif_Search_Variable(Agrif_Mygrid, Agrif_Curgrid % nbvariables) |
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135 | |
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136 | #if defined AGRIF_MPI |
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137 | call Agrif_get_var_global_bounds(var,var%lubglob(1:nbdim,:),nbdim) |
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138 | #else |
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139 | var%lubglob(1:nbdim,1) = var % lb(1:nbdim) |
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140 | var%lubglob(1:nbdim,2) = var % ub(1:nbdim) |
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141 | #endif |
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142 | !--------------------------------------------------------------------------------------------------- |
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143 | end subroutine Agrif_Declare_Variable |
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144 | !=================================================================================================== |
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145 | ! |
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146 | !=================================================================================================== |
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147 | ! function Agrif_Search_Variable |
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148 | ! |
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149 | !> \cond Returns a pointer to the variable varid for the grid grid. |
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150 | !--------------------------------------------------------------------------------------------------- |
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151 | function Agrif_Search_Variable ( grid, varid ) result(outvar) |
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152 | !--------------------------------------------------------------------------------------------------- |
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153 | type(Agrif_Grid), pointer :: grid !< Pointer on the current grid. |
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154 | integer, intent(in) :: varid !< ID number of the variable we are looking for. |
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155 | ! |
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156 | type(Agrif_Variable), pointer :: outvar |
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157 | type(Agrif_Variables_List), pointer :: parcours |
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158 | integer :: nb, varidinv |
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159 | ! |
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160 | if ( .not.associated(grid) ) then |
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161 | outvar => NULL() |
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162 | return |
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163 | endif |
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164 | ! |
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165 | parcours => grid % variables |
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166 | |
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167 | if (.not. associated(parcours)) then ! can occur on the grand mother grid |
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168 | outvar => NULL() ! during the first call by agrif_mygrid |
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169 | return |
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170 | endif |
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171 | |
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172 | varidinv = 1 + grid % nbvariables - varid |
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173 | |
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174 | do nb = 1,varidinv-1 |
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175 | parcours => parcours % next |
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176 | enddo |
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177 | |
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178 | outvar => parcours % var |
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179 | !--------------------------------------------------------------------------------------------------- |
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180 | end function Agrif_Search_variable |
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181 | !=================================================================================================== |
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182 | ! |
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183 | !!\endcond |
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184 | end module Agrif_User_Variables |
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