ana_pair.h

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!!
      SUBROUTINE ana_pair (ng, tile, model)
!
!! git $Id$
!!======================================================================
!! Copyright (c) 2002-2025 The ROMS Group                              !
!!   Licensed under a MIT/X style license                              !
!!   See License_ROMS.md                                               !
!=======================================================================
!                                                                      !
!  This routine sets surface air pressure (mb) using an analytical     !
!  expression.                                                         !
!                                                                      !
!=======================================================================
!
      USE mod_param
      USE mod_forces
      USE mod_ncparam
!
! Imported variable declarations.
!
      integer, intent(in) :: ng, tile, model
!
! Local variable declarations.
!
      character (len=*), parameter :: MyFile =                          &
     &  __FILE__
!
#include "tile.h"
!
      CALL ana_pair_tile (ng, tile, model,                              &
     &                    lbi, ubi, lbj, ubj,                           &
     &                    imins, imaxs, jmins, jmaxs,                   &
     &                    forces(ng) % Pair)
!
! Set analytical header file name used.
!
#ifdef DISTRIBUTE
      IF (lanafile) THEN
#else
      IF (lanafile.and.(tile.eq.0)) THEN
#endif
        ananame(17)=myfile
      END IF
!
      RETURN
      END SUBROUTINE ana_pair
!
!***********************************************************************
      SUBROUTINE ana_pair_tile (ng, tile, model,                        &
     &                          LBi, UBi, LBj, UBj,                     &
     &                          IminS, ImaxS, JminS, JmaxS,             &
     &                          Pair)
!***********************************************************************
!
      USE mod_param
      USE mod_scalars
!
      USE exchange_2d_mod, ONLY : exchange_r2d_tile
#ifdef DISTRIBUTE
      USE mp_exchange_mod, ONLY : mp_exchange2d
#endif
!
!  Imported variable declarations.
!
      integer, intent(in) :: ng, tile, model
      integer, intent(in) :: LBi, UBi, LBj, UBj
      integer, intent(in) :: IminS, ImaxS, JminS, JmaxS
!
#ifdef ASSUMED_SHAPE
      real(r8), intent(out) :: Pair(LBi:,LBj:)
#else
      real(r8), intent(out) :: Pair(LBi:UBi,LBj:UBj)
#endif
!
!  Local variable declarations.
!
      integer :: i, j
 
#include "set_bounds.h"
!
!-----------------------------------------------------------------------
!  Set analytical surface air pressure (mb).
!  (1 mb = 100 Pa = 1 hPa,  1 bar = 1.0e+5 N/m2 = 1.0e+5 dynes/cm2).
!-----------------------------------------------------------------------
!
#if defined BENCHMARK
      DO j=jstrt,jendt
        DO i=istrt,iendt
          pair(i,j)=1025.0_r8
        END DO
      END DO
#elif defined BL_TEST
      DO j=jstrt,jendt
        DO i=istrt,iendt
          pair(i,j)=1013.48_r8
        END DO
      END DO
#else
      ana_pair.h: no values provided for pair.
#endif
!
!  Exchange boundary data.
!
      IF (ewperiodic(ng).or.nsperiodic(ng)) THEN
        CALL exchange_r2d_tile (ng, tile,                               &
     &                          lbi, ubi, lbj, ubj,                     &
     &                          pair)
      END IF
 
#ifdef DISTRIBUTE
      CALL mp_exchange2d (ng, tile, model, 1,                           &
     &                    lbi, ubi, lbj, ubj,                           &
     &                    nghostpoints,                                 &
     &                    ewperiodic(ng), nsperiodic(ng),               &
     &                    pair)
#endif
!
      RETURN
      END SUBROUTINE ana_pair_tile