MODULE crslbclnk !!====================================================================== !! *** MODULE crslbclnk *** !! A temporary solution for lbclnk for coarsened grid. !! Ocean : lateral boundary conditions for grid coarsening !!===================================================================== !! History : ! 2012-06 (J. Simeon, G. Madec, C. Ethe, C. Calone) Original code !!---------------------------------------------------------------------- USE par_kind, ONLY: wp USE dom_oce USE crs ! USE lbclnk USE in_out_manager INTERFACE crs_lbc_lnk MODULE PROCEDURE crs_lbc_lnk_3d, crs_lbc_lnk_3d_gather, crs_lbc_lnk_2d END INTERFACE PUBLIC crs_lbc_lnk !!---------------------------------------------------------------------- !! NEMO/OPA 3.3 , NEMO Consortium (2010) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE crs_lbc_lnk_3d( pt3d1, cd_type1, psgn, cd_mpp, pval ) !!--------------------------------------------------------------------- !! *** SUBROUTINE crs_lbc_lnk *** !! !! ** Purpose : set lateral boundary conditions for coarsened grid !! !! ** Method : Swap domain indices from full to coarse domain !! before arguments are passed directly to lbc_lnk. !! Upon exiting, switch back to full domain indices. !!---------------------------------------------------------------------- CHARACTER(len=1) , INTENT(in ) :: cd_type1 ! grid type REAL(wp) , INTENT(in ) :: psgn ! control of the sign REAL(wp), DIMENSION(jpi_crs,jpj_crs,jpk), INTENT(inout) :: pt3d1 ! 3D array on which the lbc is applied REAL(wp) , OPTIONAL, INTENT(in ) :: pval ! valeur sur les halo CHARACTER(len=3) , OPTIONAL, INTENT(in ) :: cd_mpp ! MPP only (here do nothing) ! LOGICAL :: ll_grid_crs REAL(wp) :: zval ! valeur sur les halo !!---------------------------------------------------------------------- ! ll_grid_crs = ( jpi == jpi_crs ) ! IF( PRESENT(pval) ) THEN ; zval = pval ELSE ; zval = 0._wp ENDIF ! IF( .NOT.ll_grid_crs ) CALL dom_grid_crs ! Save the parent grid information & Switch to coarse grid domain ! IF( PRESENT( cd_mpp ) ) THEN ; CALL lbc_lnk( pt3d1, cd_type1, psgn, cd_mpp, pval=zval ) ELSE ; CALL lbc_lnk( pt3d1, cd_type1, psgn, pval=zval ) ENDIF ! IF( .NOT.ll_grid_crs ) CALL dom_grid_glo ! Return to parent grid domain ! END SUBROUTINE crs_lbc_lnk_3d SUBROUTINE crs_lbc_lnk_3d_gather( pt3d1, cd_type1, pt3d2, cd_type2, psgn ) !!--------------------------------------------------------------------- !! *** SUBROUTINE crs_lbc_lnk *** !! !! ** Purpose : set lateral boundary conditions for coarsened grid !! !! ** Method : Swap domain indices from full to coarse domain !! before arguments are passed directly to lbc_lnk. !! Upon exiting, switch back to full domain indices. !!---------------------------------------------------------------------- CHARACTER(len=1) , INTENT(in ) :: cd_type1, cd_type2 ! grid type REAL(wp) , INTENT(in ) :: psgn ! control of the sign REAL(wp), DIMENSION(jpi_crs,jpj_crs,jpk), INTENT(inout) :: pt3d1 , pt3d2 ! 3D array on which the lbc is applied ! LOGICAL :: ll_grid_crs !!---------------------------------------------------------------------- ! ll_grid_crs = ( jpi == jpi_crs ) ! IF( .NOT.ll_grid_crs ) CALL dom_grid_crs ! Save the parent grid information & Switch to coarse grid domain ! CALL lbc_lnk( pt3d1, cd_type1, pt3d2, cd_type2, psgn ) ! IF( .NOT.ll_grid_crs ) CALL dom_grid_glo ! Return to parent grid domain ! END SUBROUTINE crs_lbc_lnk_3d_gather SUBROUTINE crs_lbc_lnk_2d(pt2d, cd_type, psgn, cd_mpp, pval) !!--------------------------------------------------------------------- !! *** SUBROUTINE crs_lbc_lnk *** !! !! ** Purpose : set lateral boundary conditions for coarsened grid !! !! ** Method : Swap domain indices from full to coarse domain !! before arguments are passed directly to lbc_lnk. !! Upon exiting, switch back to full domain indices. !!---------------------------------------------------------------------- CHARACTER(len=1) , INTENT(in ) :: cd_type ! grid type REAL(wp) , INTENT(in ) :: psgn ! control of the sign REAL(wp), DIMENSION(jpi_crs,jpj_crs), INTENT(inout) :: pt2d ! 2D array on which the lbc is applied REAL(wp) , OPTIONAL, INTENT(in ) :: pval ! valeur sur les halo CHARACTER(len=3) , OPTIONAL, INTENT(in ) :: cd_mpp ! MPP only (here do nothing) ! LOGICAL :: ll_grid_crs REAL(wp) :: zval ! valeur sur les halo !!---------------------------------------------------------------------- ! ll_grid_crs = ( jpi == jpi_crs ) ! IF( PRESENT(pval) ) THEN ; zval = pval ELSE ; zval = 0._wp ENDIF ! IF( .NOT.ll_grid_crs ) CALL dom_grid_crs ! Save the parent grid information & Switch to coarse grid domain ! IF( PRESENT( cd_mpp ) ) THEN ; CALL lbc_lnk( pt2d, cd_type, psgn, cd_mpp, pval=zval ) ELSE ; CALL lbc_lnk( pt2d, cd_type, psgn, pval=zval ) ENDIF ! IF( .NOT.ll_grid_crs ) CALL dom_grid_glo ! Return to parent grid domain ! END SUBROUTINE crs_lbc_lnk_2d !!====================================================================== END MODULE crslbclnk