psmile_search_donor_2d_real.F90

Go to the documentation of this file.
00001 !-----------------------------------------------------------------------
00002 ! Copyright 2007-2010, NEC Europe Ltd., London, UK.
00003 ! All rights reserved. Use is subject to OASIS4 license terms.
00004 !-----------------------------------------------------------------------
00005 !BOP
00006 !
00007 ! !ROUTINE: PSMILe_Search_donor_2d_real
00008 !
00009 ! !INTERFACE:
00010 
00011       subroutine psmile_search_donor_2d_real (                &
00012                         found, locations, len, search, ipart, &
00013                         grid_id, first_method_id, var_id, tol, ierror)
00014 !
00015 ! !USES:
00016 !
00017       use PRISM_constants
00018 !
00019       use PSMILe, dummy_interface => PSMILe_Search_donor_2d_real
00020 
00021       implicit none
00022 !
00023 ! !INPUT PARAMETERS:
00024 !
00025       Integer, Intent (In)            :: len
00026 
00027 !     Number of coords to be searched
00028 !
00029       Type (Enddef_search)            :: search
00030 
00031 !     Info's on coordinates to be searched
00032 
00033       Integer, Intent (In)            :: ipart
00034 
00035 !     Number of the partition to be searched
00036 
00037       Integer, Intent (In)            :: grid_id
00038 !
00039 !     Grid id
00040 
00041       Integer, Intent (In)            :: first_method_id
00042 !
00043 !     First method id to be searched for
00044 
00045       Integer, Intent (In)            :: var_id
00046 !
00047 !     Var id of the method
00048 !     ??? welche braucht man; die var id des senders. oder ?
00049 
00050       Real, Intent (In)               :: tol
00051 !
00052 !     Absolute tolerance for search of "identical" points
00053 !     TOL >= 0.0
00054 !
00055 !
00056 ! !INPUT/OUTPUT PARAMETERS:
00057 !
00058       Integer, Intent (InOut)         :: found (len)
00059 
00060 !     Finest level number on which a grid cell was found for point I.
00061 !     Level number = -(nlev+1): Never found (input value)
00062 
00063       Integer, Intent (InOut)         :: locations (ndim_2d, len)
00064 
00065 !     Indices of the grid cell in which the point was found.
00066 !     Assumed input value locations (:, len) = 0
00067 !
00068 ! !OUTPUT PARAMETERS:
00069 !
00070       integer, Intent (Out)               :: ierror
00071 
00072 !     Returns the error code of PSMILe_Search_donor_2d_real;
00073 !             ierror = 0 : No error
00074 !             ierror > 0 : Severe error
00075 !
00076 ! !LOCAL VARIABLES
00077 !
00078       Type (Corner_Block), Pointer :: corner_pointer
00079       Integer                      :: i
00080 !
00081 !     ... for locations searched
00082 !
00083       Integer                      :: ibeg, iend
00084       Integer                      :: control (2, ndim_3d)
00085 !
00086       Real, Pointer                :: array1 (:)
00087       Real, Pointer                :: array2 (:)
00088       Integer                      :: shape (2, ndim_3d)
00089       Integer                      :: range (2, ndim_3d)
00090       Integer                      :: j, len1
00091 !
00092 !     ... for levels
00093 !
00094       Integer                      :: lev, levc, nlev
00095       Integer                      :: ijkinc (ndim_3d), ijkcoa (ndim_2d)
00096       Type(Grid), Pointer          :: grid_info
00097 !
00098 !     ... for error parameters
00099 !
00100       Integer, parameter           :: nerrp = 2
00101       Integer                      :: ierrp (nerrp)
00102 !
00103 ! !DESCRIPTION:
00104 !
00105 ! Subroutine "PSMILe_Search_donor_2d_real" searches the donor
00106 ! for the subgrid sent by the sending process.
00107 !
00108 !
00109 ! !REVISION HISTORY:
00110 !   Date      Programmer   Description
00111 ! ----------  ----------   -----------
00112 ! 03.07.21    H. Ritzdorf  created
00113 !
00114 !EOP
00115 !----------------------------------------------------------------------
00116 !
00117 ! $Id: psmile_search_donor_2d_real.F90 2687 2010-10-28 15:15:52Z coquart $
00118 ! $Author: coquart $
00119 !
00120    Character(len=len_cvs_string), save :: mycvs = 
00121        '$Id: psmile_search_donor_2d_real.F90 2687 2010-10-28 15:15:52Z coquart $'
00122 !
00123 !----------------------------------------------------------------------
00124 !
00125 !  Initialization
00126 !
00127 #ifdef VERBOSE
00128       print 9990, trim(ch_id), Grids(grid_id)%comp_id, search%sender
00129 
00130       call psmile_flushstd
00131 #endif /* VERBOSE */
00132 
00133       ierror = 0
00134       grid_info => Grids(grid_id)
00135 
00136 #ifdef PRISM_ASSERTION
00137 #endif
00138 !
00139 !-----------------------------------------------------------------------
00140 !     Generate 2d array if necessary
00141 !-----------------------------------------------------------------------
00142 !
00143       if (search%grid_type == PRISM_Reglonlatvrt) then
00144 !        ... Dimension in 1st and 2nd direction is only 1-dimensional
00145 !        ... Generate 2d arrays
00146 !
00147          Allocate (array1(len), STAT = ierror)
00148          if ( ierror > 0 ) then
00149             ierrp (1) = ierror
00150             ierrp (2) = len
00151             ierror = PRISM_Error_Alloc
00152             call psmile_error ( ierror, 'array1', &
00153                                 ierrp, 2, __FILE__, __LINE__ )
00154             return
00155          endif
00156 !
00157          Allocate (array2(len), STAT = ierror)
00158          if ( ierror > 0 ) then
00159             ierrp (1) = ierror
00160             ierrp (2) = len
00161             ierror = PRISM_Error_Alloc
00162             call psmile_error ( ierror, 'array2', &
00163                                 ierrp, 2, __FILE__, __LINE__ )
00164             return
00165          endif
00166 !
00167          shape (:, 1:ndim_2d) = search%range(:, 1:ndim_2d, ipart)
00168          shape (:,   ndim_3d) = 1
00169 !
00170          range = shape
00171 
00172          len1 = shape(2,1)-shape(1,1) + 1
00173 #ifdef PRISM_ASSERTION
00174          if (search%dims(1, ipart) /= len1) then
00175             call psmile_assert (__FILE__, __LINE__, &
00176                                 "dim(1) != len1")
00177          endif
00178 #endif
00179 !
00180          do j = 1, shape(2,2)-shape(1,2) + 1
00181             array1 ((j-1)*len1+1:j*len1) = search%search_real(1,ipart)%vector(1:len1)
00182             array2 ((j-1)*len1+1:j*len1) = search%search_real(2,ipart)%vector(j)
00183          end do
00184 
00185       else
00186 
00187          array1 => search%search_real(1,ipart)%vector
00188          array2 => search%search_real(2,ipart)%vector
00189 !
00190          if (search%grid_type == PRISM_Irrlonlat_regvrt) then
00191             shape(:, 1:ndim_2d) = search%shape(:, 1:ndim_2d, ipart)
00192             shape(:,   ndim_3d) = 1
00193 
00194             range(:, 1:ndim_2d) = search%range(:, 1:ndim_2d, ipart)
00195             range(:,   ndim_3d) = 1
00196 
00197          else if (search%grid_type == PRISM_Gaussreduced_regvrt) then
00198             shape(:, 1:ndim_2d) = search%shape(:, 1:ndim_2d, ipart)
00199             shape(:,   ndim_3d) = 1
00200 
00201             range(:, 1:ndim_2d) = search%range(:, 1:ndim_2d, ipart)
00202             range(:,   ndim_3d) = 1
00203 
00204          else
00205             shape(:, :) = search%shape(:, :, ipart)
00206             range(:, :) = search%range(:, :, ipart)
00207          endif
00208       endif
00209 !
00210 !-----------------------------------------------------------------------
00211 !     Coarsest level nlev
00212 !-----------------------------------------------------------------------
00213 !
00214       nlev = grid_info%nlev
00215       lev = nlev
00216 !
00217       ibeg = 1
00218       iend = len
00219 
00220 #ifdef PRISM_ASSERTION
00221       if (grid_info%mg_infos(lev)%levdim(1) /= 0 .or. &
00222           grid_info%mg_infos(lev)%levdim(2) /= 0) then
00223 
00224          call psmile_assert (__FILE__, __LINE__, &
00225                              "coarsest level dim != 0")
00226       endif
00227 #endif
00228 !
00229       call psmile_mg_coarse_2d_real (lev, &
00230                      grid_info%mg_infos(lev)%real_arrays%chmin, &
00231                      grid_info%mg_infos(lev)%real_arrays%chmax, &
00232                      found, locations, array1, array2, &
00233                      ibeg, iend)
00234 !
00235       if (ibeg > iend) then
00236 
00237 #ifdef VERBOSE
00238          print 9980, trim(ch_id), grid_info%comp_id, search%sender, ierror
00239 
00240          call psmile_flushstd
00241 #endif /* VERBOSE */
00242          return
00243       endif
00244 !
00245       control = range
00246 !
00247 !===> ... Find range
00248 !  den range besser einschraenken ! 2d Range !
00249 !
00250 !     call psmile_find_range (found, ibeg, iend,
00251 !                     control,
00252 !                     iret,  ierror)
00253 !     if (ierror > 0) return
00254 !
00255 !     if (iret == 0) go to 2000
00256 
00257 !
00258 !===> Multiple grids
00259 !
00260 !     ijkinc (1) = max (1, (iend-ibeg)/2)
00261 !     ijkinc (2) = max (1, (jend-jbeg)/2)
00262 !
00263       ijkinc (:) = 1
00264 !
00265          do lev = nlev-1, 1, -1
00266 !
00267          levc = lev + 1
00268 !
00269          ijkcoa (:) = 2
00270 !
00271             do i = 1, ndim_2d
00272             if (grid_info%mg_infos(lev )%levdim(i) == &
00273                 grid_info%mg_infos(levc)%levdim(i)) then
00274                ijkcoa (i) = 1
00275             endif
00276             enddo
00277 !
00278 ! chmin, chmax, midp als 4d array alloziieren !
00279 !
00280          call psmile_mg_next_level_2d_real ( grid_id, lev, nlev,       &
00281                 grid_info%mg_infos(lev)%real_arrays%chmin(1)%vector, &
00282                 grid_info%mg_infos(lev)%real_arrays%chmin(2)%vector, &
00283                 grid_info%mg_infos(lev)%real_arrays%chmax(1)%vector, &
00284                 grid_info%mg_infos(lev)%real_arrays%chmax(2)%vector, &
00285                 grid_info%mg_infos(lev)%real_arrays%midp(1)%vector,  &
00286                 grid_info%mg_infos(lev)%real_arrays%midp(2)%vector,  &
00287                 grid_info%mg_infos(lev)%levdim,                        &
00288                 found, locations, range,                               &
00289                 array1, array2, shape,                                 &
00290                 control, ijkinc, ijkcoa, ierror)
00291 
00292          if (ierror > 0) return
00293 !
00294 !        ijkinc (:) = max (1, ijkinc(:)/ijkcoa(:))
00295          enddo ! lev
00296 !
00297 !   Transfer  locations from mg locations (range (0:levdim(:)))
00298 !   into user locations (i.e. locations in corner/method dimensions)
00299 !
00300          do i = 1, len
00301          locations (1:ndim_2d, i) = locations (1:ndim_2d, i)  &
00302                                   + grid_info%ijk0 (1:ndim_2d)
00303          end do
00304 !
00305 #define SEARCH_ON_FINAL_GRID
00306 #ifdef SEARCH_ON_FINAL_GRID
00307 !
00308 !   Get final locations controlling the real cells
00309 !   Probably not efficient
00310 !
00311       corner_pointer => Grids(grid_id)%corner_pointer
00312 !
00313       if (corner_pointer%nbr_corners == 8) then
00314 !        4 corners in 2 direction, 2 corners in vertical direction
00315 !
00316          call psmile_mg_final_2d_real (grid_id, nlev,                 &
00317                    grid_info%mg_infos(1)%real_arrays%chmin(1)%vector, &
00318                    grid_info%mg_infos(1)%real_arrays%chmin(2)%vector, &
00319                    grid_info%mg_infos(1)%real_arrays%chmax(1)%vector, &
00320                    grid_info%mg_infos(1)%real_arrays%chmax(2)%vector, &
00321                    grid_info%mg_infos(1)%real_arrays%midp(1)%vector,  &
00322                    grid_info%mg_infos(1)%real_arrays%midp(2)%vector,  &
00323                    grid_info%mg_infos(1)%levdim,                        &
00324                    found, locations, range,                             &
00325                    array1, array2, shape, control,                      &
00326                    corner_pointer%corners_real(1)%vector,               &
00327                    corner_pointer%corners_real(2)%vector,               &
00328                    corner_pointer%corner_shape,                         &
00329                    corner_pointer%nbr_corners/2,                        &
00330                    tol, ierror)
00331          if (ierror > 0) return
00332       endif
00333 #endif
00334 !
00335 !-----------------------------------------------------------------------
00336 !     All done; Free memory allocated
00337 !-----------------------------------------------------------------------
00338 !
00339       if (search%grid_type == PRISM_Reglonlatvrt) then
00340          Deallocate (array2)
00341          Deallocate (array1)
00342       endif
00343 !
00344 #ifdef VERBOSE
00345       print 9980, trim(ch_id), grid_info%comp_id, search%sender, ierror
00346 
00347       call psmile_flushstd
00348 #endif /* VERBOSE */
00349 !
00350 !  Formats:
00351 !
00352 9990 format (1x, a, ': PSMILe_Search_donor_2d_real: comp_id =', i3, &
00353                     '; sender =', i4)
00354 9980 format (1x, a, ': PSMILe_Search_donor_2d_real: comp_id =', i3, &
00355                     '; eof sender =', i3, ', ierror =', i4)
00356 
00357       end subroutine PSMILe_Search_donor_2d_real