1 | module Agrif_Grids |
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2 | |
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3 | use Agrif_Types |
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4 | ! |
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5 | implicit none |
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6 | ! |
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7 | !=================================================================================================== |
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8 | type Agrif_Grid_List |
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9 | !--------------------------------------------------------------------------------------------------- |
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10 | !< List of grids. |
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11 | ! |
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12 | integer :: nitems = 0 !< Number of elements in the list |
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13 | type(Agrif_PGrid), pointer :: first => NULL() !< Pointer to the first grid in the list |
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14 | type(Agrif_PGrid), pointer :: last => NULL() !< Pointer to the last grid inserted in the list |
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15 | !--------------------------------------------------------------------------------------------------- |
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16 | end type Agrif_Grid_List |
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17 | !=================================================================================================== |
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18 | ! |
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19 | !=================================================================================================== |
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20 | type Agrif_PGrid |
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21 | !--------------------------------------------------------------------------------------------------- |
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22 | !< Data type to go over the grid hierarchy (used for the creation of this grid hierarchy |
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23 | !< and during the time integration). |
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24 | ! |
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25 | type(Agrif_Grid) , pointer :: gr => NULL() !< Pointer to the actual grid data structure |
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26 | type(Agrif_PGrid), pointer :: next => NULL() !< Next grid in the list |
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27 | ! |
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28 | !--------------------------------------------------------------------------------------------------- |
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29 | end type Agrif_PGrid |
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30 | !=================================================================================================== |
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31 | ! |
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32 | !=================================================================================================== |
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33 | type Agrif_Grid |
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34 | !--------------------------------------------------------------------------------------------------- |
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35 | !< Data type to define a grid (position, space and time refinement factors). |
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36 | ! |
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37 | type(Agrif_Grid) , pointer :: parent => NULL() !< pointer on the parent grid |
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38 | type(Agrif_Grid) , pointer :: save_grid => NULL() !< pointer on the save grid |
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39 | type(Agrif_Grid_List) :: child_list !< List of child grids |
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40 | type(Agrif_Variable), dimension(:), allocatable :: tabvars !< List of grid variables |
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41 | type(Agrif_Variable_c), dimension(:), allocatable :: tabvars_c !< List of character grid variables |
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42 | type(Agrif_Variable_r), dimension(:), allocatable :: tabvars_r !< List of real grid variables |
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43 | type(Agrif_Variable_l), dimension(:), allocatable :: tabvars_l !< List of logical grid variables |
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44 | type(Agrif_Variable_i), dimension(:), allocatable :: tabvars_i !< List of integer grid variables |
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45 | ! |
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46 | real , dimension(3) :: Agrif_x !< global x, y and z position |
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47 | real , dimension(3) :: Agrif_dx !< global space step in the x, y and z direction |
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48 | real , dimension(3) :: Agrif_dt !< global time step in the x, y and z direction |
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49 | integer, dimension(3) :: nb !< number of cells in the x, y and z direction |
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50 | integer, dimension(3) :: ix !< minimal position in the x, y and z direction |
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51 | integer, dimension(3) :: spaceref !< space refinement factor in the x, y and z direction |
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52 | integer, dimension(3) :: timeref !< Time refinement factor in the x, y and z direction |
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53 | integer :: ngridstep !< number of time steps |
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54 | integer :: rank |
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55 | integer :: grid_id !< moving grid id |
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56 | integer :: fixedrank !< number of the grid |
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57 | logical :: fixed !< fixed or moving grid ? |
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58 | logical :: oldgrid |
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59 | !> \name Logicals indicating if the current grid has a common border with the root coarse grid |
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60 | !> @{ |
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61 | logical, dimension(3) :: NearRootBorder |
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62 | logical, dimension(3) :: DistantRootBorder |
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63 | !> @} |
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64 | !> \name Arrays for adaptive grid refinement |
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65 | !> @{ |
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66 | integer, dimension(:) , allocatable :: tabpoint1D |
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67 | integer, dimension(:,:) , allocatable :: tabpoint2D |
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68 | integer, dimension(:,:,:), allocatable :: tabpoint3D |
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69 | !> @} |
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70 | !> \name Members for parallel integration |
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71 | !> @{ |
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72 | type(Agrif_Rectangle), pointer :: rect_in_parent => NULL() |
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73 | type(Agrif_Grid_List) :: neigh_list !< List of neighboring grids (ie. connected through a common proc) |
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74 | type(Agrif_Proc_List) :: proc_def_list !< List of procs that will integrate this grid |
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75 | type(Agrif_Proc_List) :: proc_def_in_parent_list !< List of procs that will integrate this grid (defined as in the parent grid) |
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76 | type(Agrif_Proc_List) :: required_proc_list !< List of procs that are required for this grid |
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77 | type(Agrif_Sequence_List), pointer :: child_seq => NULL() !< Sequence for childs |
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78 | integer :: seq_num = 0 |
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79 | integer :: size = 0 |
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80 | integer :: dsat = 0 |
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81 | #if defined AGRIF_MPI |
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82 | integer :: communicator = -1 |
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83 | #endif |
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84 | !> @} |
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85 | type(Agrif_Variables_List), pointer :: variables => NULL() |
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86 | integer :: NbVariables = 0 |
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87 | integer :: level !< level of the grid in the hierarchy |
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88 | logical :: allocation_is_done = .false. |
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89 | logical :: grand_mother_grid = .false. |
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90 | !--------------------------------------------------------------------------------------------------- |
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91 | end type Agrif_Grid |
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92 | !=================================================================================================== |
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93 | ! |
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94 | !> this pointer always points on the root grid of the grid hierarchy |
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95 | type(Agrif_Grid) , pointer :: Agrif_Mygrid => NULL() |
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96 | |
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97 | !> this pointer always points on the grand mother grid of the grid hierarchy (if any) |
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98 | type(Agrif_Grid) , pointer :: Agrif_Coarsegrid => NULL() |
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99 | |
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100 | !> Grid list used in the \link Agrif_Util::Agrif_Regrid() Agrif_regrid \endlink subroutine. |
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101 | !> It contains the safeguard of the grid hierarchy. |
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102 | type(Agrif_Grid_List), pointer :: Agrif_oldmygrid => NULL() |
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103 | |
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104 | !> Pointer to the current grid (the link is done by using the Agrif_Instance procedure (\see module Agrif_Init)) |
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105 | type(Agrif_Grid) , pointer :: Agrif_Curgrid => NULL() |
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106 | ! |
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107 | !=================================================================================================== |
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108 | type Agrif_Sequence |
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109 | !--------------------------------------------------------------------------------------------------- |
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110 | type(Agrif_Grid_List) :: gridlist |
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111 | type(Agrif_Proc_List) :: proclist |
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112 | !--------------------------------------------------------------------------------------------------- |
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113 | end type Agrif_Sequence |
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114 | !=================================================================================================== |
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115 | ! |
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116 | !=================================================================================================== |
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117 | type Agrif_Sequence_List |
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118 | !--------------------------------------------------------------------------------------------------- |
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119 | integer :: nb_seqs |
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120 | type(Agrif_Sequence), dimension(:), allocatable :: sequences |
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121 | !--------------------------------------------------------------------------------------------------- |
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122 | end type Agrif_Sequence_List |
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123 | !=================================================================================================== |
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124 | ! |
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125 | interface |
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126 | function compare_grids ( grid1, grid2 ) result( res ) |
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127 | import Agrif_Grid |
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128 | type(Agrif_Grid), intent(in) :: grid1 |
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129 | type(Agrif_Grid), intent(in) :: grid2 |
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130 | integer :: res !< Result of the comparison : |
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131 | !! - res < 0 if grid1 < grid2 |
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132 | !! - res == 0 if grid1 == grid2 |
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133 | !! - res > 0 if grid1 > grid2 |
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134 | end function compare_grids |
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135 | end interface |
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136 | ! |
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137 | contains |
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138 | ! |
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139 | !=================================================================================================== |
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140 | subroutine Agrif_gl_print ( gridlist ) |
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141 | ! |
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142 | !< DEBUG : a virer à terme. |
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143 | !--------------------------------------------------------------------------------------------------- |
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144 | type(Agrif_Grid_List), intent(in) :: gridlist |
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145 | ! |
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146 | type(Agrif_PGrid), pointer :: gridp |
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147 | type(Agrif_Grid), pointer :: grid |
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148 | ! |
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149 | gridp => gridlist % first |
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150 | do while ( associated(gridp) ) |
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151 | grid => gridp % gr |
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152 | write(*,'("G",i0,", ")', advance='no') grid % fixedrank |
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153 | gridp => gridp % next |
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154 | enddo |
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155 | write(*,*) |
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156 | !--------------------------------------------------------------------------------------------------- |
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157 | end subroutine Agrif_gl_print |
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158 | !=================================================================================================== |
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159 | ! |
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160 | !=================================================================================================== |
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161 | subroutine Agrif_gl_print_debug ( gridlist ) |
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162 | ! |
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163 | !< DEBUG : a virer à terme. |
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164 | !--------------------------------------------------------------------------------------------------- |
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165 | type(Agrif_Grid_List), intent(in) :: gridlist |
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166 | ! |
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167 | type(Agrif_PGrid), pointer :: gridp |
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168 | type(Agrif_Grid), pointer :: grid |
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169 | ! |
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170 | write(*,'(" (nitems=",i2,"), (id,neighs,color,dsat,size) = ")', advance='no') gridlist % nitems |
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171 | gridp => gridlist % first |
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172 | do while ( associated(gridp) ) |
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173 | grid => gridp % gr |
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174 | write(*,'("(G",i0,4(",",i0),"), ")', advance='no') grid % fixedrank, & |
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175 | grid % neigh_list % nitems, grid % seq_num, grid % dsat, grid % size |
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176 | gridp => gridp % next |
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177 | enddo |
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178 | write(*,*) |
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179 | !--------------------------------------------------------------------------------------------------- |
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180 | end subroutine Agrif_gl_print_debug |
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181 | !=================================================================================================== |
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182 | ! |
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183 | !=================================================================================================== |
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184 | subroutine Agrif_gl_append ( gridlist, grid ) |
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185 | !--------------------------------------------------------------------------------------------------- |
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186 | type(Agrif_Grid_List), intent(inout) :: gridlist |
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187 | type(Agrif_Grid), pointer, intent(in) :: grid |
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188 | ! |
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189 | type(Agrif_PGrid), pointer :: new_gp |
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190 | ! |
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191 | allocate( new_gp ) |
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192 | ! |
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193 | new_gp % gr => grid |
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194 | new_gp % next => NULL() |
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195 | ! |
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196 | if ( associated(gridlist % last) ) then |
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197 | ! the list is not empty, append the new pointer at the end |
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198 | gridlist % last % next => new_gp |
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199 | else |
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200 | ! the list is empty, the new pointer is the first one |
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201 | gridlist % first => new_gp |
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202 | endif |
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203 | ! anyway, for next time 'grid' will be the last one. |
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204 | gridlist % last => new_gp |
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205 | gridlist % nitems = gridlist % nitems + 1 |
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206 | !--------------------------------------------------------------------------------------------------- |
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207 | end subroutine Agrif_gl_append |
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208 | !=================================================================================================== |
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209 | ! |
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210 | !=================================================================================================== |
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211 | function Agrif_gl_popfirst ( gridlist ) result ( grid ) |
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212 | ! |
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213 | !< Removes the first item of the list and returns it. |
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214 | !--------------------------------------------------------------------------------------------------- |
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215 | type(Agrif_Grid_List), intent(inout) :: gridlist |
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216 | ! |
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217 | type(Agrif_PGrid), pointer :: grid_p |
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218 | type(Agrif_Grid), pointer :: grid |
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219 | ! |
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220 | grid_p => gridlist % first |
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221 | ! |
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222 | if ( .not. associated( grid_p ) ) then |
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223 | grid => NULL() |
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224 | return |
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225 | endif |
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226 | ! |
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227 | grid => grid_p % gr |
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228 | gridlist % first => grid_p % next |
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229 | gridlist % nitems = gridlist % nitems - 1 |
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230 | if ( .not. associated(gridlist % first) ) then |
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231 | nullify(gridlist % last) |
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232 | endif |
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233 | deallocate(grid_p) |
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234 | !--------------------------------------------------------------------------------------------------- |
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235 | end function Agrif_gl_popfirst |
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236 | !=================================================================================================== |
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237 | ! |
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238 | !=================================================================================================== |
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239 | subroutine Agrif_gl_copy ( new_gl, model ) |
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240 | !--------------------------------------------------------------------------------------------------- |
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241 | type(Agrif_Grid_List), intent(out) :: new_gl |
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242 | type(Agrif_Grid_List), intent(in) :: model |
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243 | ! |
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244 | type(Agrif_PGrid), pointer :: gp |
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245 | ! |
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246 | call Agrif_gl_clear(new_gl) |
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247 | gp => model % first |
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248 | ! |
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249 | do while( associated(gp) ) |
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250 | call Agrif_gl_append( new_gl, gp % gr ) |
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251 | gp => gp % next |
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252 | enddo |
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253 | !--------------------------------------------------------------------------------------------------- |
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254 | end subroutine Agrif_gl_copy |
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255 | !=================================================================================================== |
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256 | ! |
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257 | !=================================================================================================== |
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258 | function Agrif_gl_build_from_gp ( gridp ) result ( gridlist ) |
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259 | !--------------------------------------------------------------------------------------------------- |
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260 | type(Agrif_PGrid), pointer, intent(in) :: gridp |
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261 | ! |
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262 | type(Agrif_Grid_List), pointer :: gridlist |
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263 | type(Agrif_PGrid), pointer :: gp |
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264 | ! |
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265 | allocate(gridlist) |
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266 | ! |
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267 | gp => gridp |
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268 | ! |
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269 | do while ( associated( gp ) ) |
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270 | call Agrif_gl_append( gridlist, gp % gr ) |
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271 | gp => gp % next |
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272 | enddo |
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273 | !--------------------------------------------------------------------------------------------------- |
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274 | end function Agrif_gl_build_from_gp |
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275 | !=================================================================================================== |
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276 | ! |
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277 | !=================================================================================================== |
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278 | subroutine Agrif_gp_delete ( gridp ) |
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279 | !--------------------------------------------------------------------------------------------------- |
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280 | type(Agrif_PGrid), pointer, intent(inout) :: gridp |
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281 | ! |
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282 | type(Agrif_PGrid), pointer :: gp, gpd |
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283 | ! |
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284 | if ( .not. associated( gridp ) ) return |
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285 | ! |
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286 | gp => gridp |
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287 | ! |
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288 | do while( associated(gp) ) |
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289 | gpd => gp |
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290 | gp => gp % next |
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291 | deallocate(gpd) |
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292 | enddo |
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293 | !--------------------------------------------------------------------------------------------------- |
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294 | end subroutine Agrif_gp_delete |
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295 | !=================================================================================================== |
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296 | ! |
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297 | !=================================================================================================== |
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298 | subroutine Agrif_gl_clear ( gridlist ) |
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299 | !--------------------------------------------------------------------------------------------------- |
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300 | type(Agrif_Grid_List), intent(inout) :: gridlist |
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301 | ! |
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302 | call Agrif_gp_delete(gridlist % first) |
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303 | gridlist % first => NULL() |
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304 | gridlist % last => NULL() |
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305 | gridlist % nitems = 0 |
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306 | !--------------------------------------------------------------------------------------------------- |
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307 | end subroutine Agrif_gl_clear |
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308 | !=================================================================================================== |
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309 | ! |
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310 | !=================================================================================================== |
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311 | subroutine Agrif_gl_delete ( gridlist ) |
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312 | !--------------------------------------------------------------------------------------------------- |
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313 | type(Agrif_Grid_List), pointer, intent(inout) :: gridlist |
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314 | ! |
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315 | if ( .not. associated( gridlist ) ) return |
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316 | ! |
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317 | call Agrif_gp_delete(gridlist % first) |
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318 | deallocate( gridlist ) |
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319 | !--------------------------------------------------------------------------------------------------- |
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320 | end subroutine Agrif_gl_delete |
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321 | !=================================================================================================== |
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322 | ! |
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323 | !=================================================================================================== |
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324 | recursive function Agrif_gl_merge_sort ( gridlist, compare_func, compare_func_opt ) result( gl_sorted ) |
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325 | !--------------------------------------------------------------------------------------------------- |
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326 | type(Agrif_Grid_List), intent(in) :: gridlist |
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327 | procedure(compare_grids) :: compare_func |
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328 | procedure(compare_grids), optional :: compare_func_opt |
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329 | ! |
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330 | type(Agrif_Grid_List), pointer :: gl_sorted |
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331 | type(Agrif_Grid_List), pointer :: gl_left, gl_sorted_left |
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332 | type(Agrif_Grid_List), pointer :: gl_right, gl_sorted_right |
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333 | type(Agrif_PGrid), pointer :: grid_p |
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334 | integer :: n, middle |
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335 | ! |
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336 | ! if list size is 1, consider it sorted and return it |
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337 | if ( (gridlist % nitems <= 1) ) then |
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338 | gl_sorted => Agrif_gl_build_from_gp(gridlist % first) |
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339 | return |
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340 | endif |
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341 | ! |
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342 | ! else split the list into two sublists |
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343 | n = 1 |
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344 | middle = gridlist % nitems / 2 |
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345 | grid_p => gridlist % first |
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346 | ! |
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347 | allocate( gl_left, gl_right ) |
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348 | ! |
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349 | do while ( associated(grid_p) ) |
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350 | if ( n <= middle ) then |
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351 | call Agrif_gl_append(gl_left, grid_p % gr) |
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352 | else |
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353 | call Agrif_gl_append(gl_right, grid_p % gr) |
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354 | endif |
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355 | grid_p => grid_p % next |
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356 | n = n+1 |
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357 | enddo |
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358 | ! |
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359 | ! recursively call Agrif_gl_merge_sort() to further split each sublist until sublist size is 1 |
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360 | gl_sorted_left => Agrif_gl_merge_sort(gl_left, compare_func, compare_func_opt) |
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361 | gl_sorted_right => Agrif_gl_merge_sort(gl_right, compare_func, compare_func_opt) |
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362 | ! |
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363 | ! merge the sublists returned from prior calls to gl_merge_sort() and return the resulting merged sublist |
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364 | gl_sorted => Agrif_gl_merge(gl_sorted_left, gl_sorted_right, compare_func, compare_func_opt) |
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365 | ! |
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366 | call Agrif_gl_delete( gl_left ) |
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367 | call Agrif_gl_delete( gl_right ) |
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368 | call Agrif_gl_delete( gl_sorted_left ) |
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369 | call Agrif_gl_delete( gl_sorted_right ) |
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370 | !--------------------------------------------------------------------------------------------------- |
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371 | end function Agrif_gl_merge_sort |
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372 | !=================================================================================================== |
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373 | ! |
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374 | !=================================================================================================== |
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375 | function Agrif_gl_merge ( gl_left, gl_right, compare_func, compare_func_opt ) result( gl_merged ) |
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376 | !--------------------------------------------------------------------------------------------------- |
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377 | type(Agrif_Grid_List), intent(inout) :: gl_left |
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378 | type(Agrif_Grid_List), intent(inout) :: gl_right |
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379 | procedure(compare_grids) :: compare_func |
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380 | procedure(compare_grids), optional :: compare_func_opt |
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381 | ! |
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382 | type(Agrif_Grid_List), pointer :: gl_merged |
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383 | type(Agrif_Grid), pointer :: poped_grid |
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384 | integer :: comp_value |
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385 | ! |
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386 | allocate( gl_merged ) |
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387 | ! |
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388 | do while ( gl_left % nitems > 0 .or. gl_right % nitems > 0 ) |
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389 | ! |
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390 | if ( gl_left % nitems > 0 .and. gl_right % nitems > 0 ) then |
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391 | ! |
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392 | ! Let.s compare both items with the first compare function |
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393 | comp_value = compare_func( gl_left % first % gr, gl_right % first % gr ) |
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394 | ! |
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395 | if ( comp_value < 0 ) then ; poped_grid => Agrif_gl_popfirst(gl_left) |
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396 | elseif ( comp_value > 0 ) then ; poped_grid => Agrif_gl_popfirst(gl_right) |
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397 | else ! ( comp_value == 0 ) |
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398 | ! |
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399 | ! Both items are equal, let.s use the second criterion if the optional |
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400 | ! compare function is present. |
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401 | if ( present(compare_func_opt) ) then |
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402 | ! |
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403 | comp_value = compare_func_opt( gl_left % first % gr, gl_right % first % gr ) |
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404 | ! |
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405 | if ( comp_value <= 0 ) then ; poped_grid => Agrif_gl_popfirst(gl_left) |
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406 | else ; poped_grid => Agrif_gl_popfirst(gl_right) |
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407 | endif |
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408 | else |
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409 | ! If the second criterion is not present, let.s just pick the left item |
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410 | poped_grid => Agrif_gl_popfirst(gl_left) |
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411 | endif |
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412 | endif |
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413 | ! |
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414 | ! If one of the lists is empty, we just have to pick in the other one. |
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415 | elseif ( gl_left % nitems > 0 ) then ; poped_grid => Agrif_gl_popfirst(gl_left) |
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416 | elseif ( gl_right % nitems > 0 ) then ; poped_grid => Agrif_gl_popfirst(gl_right) |
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417 | endif |
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418 | ! |
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419 | call Agrif_gl_append( gl_merged, poped_grid ) |
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420 | ! |
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421 | enddo |
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422 | !--------------------------------------------------------------------------------------------------- |
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423 | end function Agrif_gl_merge |
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424 | !=================================================================================================== |
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425 | ! |
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426 | !=================================================================================================== |
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427 | function compare_grid_degrees ( grid1, grid2 ) result( res ) |
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428 | !--------------------------------------------------------------------------------------------------- |
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429 | type(Agrif_Grid), intent(in) :: grid1 |
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430 | type(Agrif_Grid), intent(in) :: grid2 |
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431 | ! |
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432 | integer :: res |
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433 | ! |
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434 | res = grid2 % neigh_list % nitems - grid1 % neigh_list % nitems |
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435 | !--------------------------------------------------------------------------------------------------- |
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436 | end function compare_grid_degrees |
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437 | !=================================================================================================== |
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438 | ! |
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439 | !=================================================================================================== |
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440 | function compare_colors ( grid1, grid2 ) result( res ) |
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441 | !--------------------------------------------------------------------------------------------------- |
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442 | type(Agrif_Grid), intent(in) :: grid1 |
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443 | type(Agrif_Grid), intent(in) :: grid2 |
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444 | ! |
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445 | integer :: res |
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446 | ! |
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447 | res = grid1 % seq_num - grid2 % seq_num |
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448 | !--------------------------------------------------------------------------------------------------- |
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449 | end function compare_colors |
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450 | !=================================================================================================== |
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451 | ! |
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452 | !=================================================================================================== |
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453 | function compare_dsat_values ( grid1, grid2 ) result( res ) |
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454 | !--------------------------------------------------------------------------------------------------- |
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455 | type(Agrif_Grid), intent(in) :: grid1 |
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456 | type(Agrif_Grid), intent(in) :: grid2 |
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457 | ! |
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458 | integer :: res |
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459 | ! |
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460 | res = grid2 % dsat - grid1 % dsat |
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461 | !--------------------------------------------------------------------------------------------------- |
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462 | end function compare_dsat_values |
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463 | !=================================================================================================== |
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464 | ! |
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465 | !=================================================================================================== |
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466 | function compare_size_values ( grid1, grid2 ) result( res ) |
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467 | !--------------------------------------------------------------------------------------------------- |
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468 | type(Agrif_Grid), intent(in) :: grid1 |
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469 | type(Agrif_Grid), intent(in) :: grid2 |
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470 | ! |
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471 | integer :: res |
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472 | ! |
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473 | res = grid2 % size - grid1 % size |
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474 | !--------------------------------------------------------------------------------------------------- |
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475 | end function compare_size_values |
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476 | !=================================================================================================== |
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477 | ! |
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478 | end module Agrif_Grids |
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