sum_on_all_procs.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     #########
      FUNCTION sum_on_all_procs(HPROGRAM,HGRID,OIN,HNAME) RESULT(KOUT)
!     #######################################################
!
!
!!****  *SUM_ON_ALL_PROCS* - sums the values of the integers provided on each processor
!!
!!    PURPOSE
!!    -------
!!
!!**  METHOD
!!    ------
!!
!!    EXTERNAL
!!    --------
!!
!!
!!    IMPLICIT ARGUMENTS
!!    ------------------
!!
!!    REFERENCE
!!    ---------
!!
!!
!!    AUTHOR
!!    ------
!!      V. Masson    *Meteo France*
!!
!!    MODIFICATIONS
!!    -------------
!!      Original    07/2011 
!-------------------------------------------------------------------------------
!
!*       0.    DECLARATIONS
!              ------------
!
#ifdef SFX_OL
USE modi_sum_on_all_procs_ol
#endif
#ifdef SFX_MNH
USE modi_sum_on_all_procs_mnh
USE modi_sum_on_all_procs_mnh_hal
#endif
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
IMPLICIT NONE
!
!*       0.1   Declarations of arguments
!              -------------------------
!
 CHARACTER(LEN=6),      INTENT(IN) :: hprogram ! program calling SURFEX
 CHARACTER(LEN=10),     INTENT(IN) :: hgrid    ! grid type
LOGICAL, DIMENSION(:), INTENT(IN) :: oin
 CHARACTER(LEN=3),      INTENT(IN), OPTIONAL :: hname ! pour la maquette offline
INTEGER                           :: kout
!
!*       0.2   Declarations of local variables
!              -------------------------------
!
REAL(KIND=JPRB) :: zhook_handle
!
INTEGER                       :: isize
INTEGER, DIMENSION(SIZE(OIN)) :: iin ! 1 if OIN true, 0 otherwise
!
 CHARACTER(LEN=3) :: yname
!-------------------------------------------------------------------------------
!
IF (lhook) CALL dr_hook('SUM_ON_ALL_PROCS',0,zhook_handle)
!
isize = SIZE(oin)
iin   = 0
WHERE(oin) iin = 1
!
IF (hprogram=='MESONH') THEN
#ifdef SFX_MNH
  yname = ' '
  IF (present(hname)) yname = hname
  IF (yname=="HAL") THEN
    CALL sum_on_all_procs_mnh_hal(isize,iin,kout)
  ELSE
    CALL sum_on_all_procs_mnh(isize,iin,kout)
  ENDIF
#endif
ELSE IF (hprogram=='AROME ' ) THEN
#ifdef SFX_ARO
  kout = max(count(oin),1)   ! to be coded properly in AROME
#endif
ELSE
#ifdef SFX_OL
  ! to be coded properly once Offline version is parallelized
  yname = ' '
  IF (present(hname)) yname = hname
  CALL sum_on_all_procs_ol(hgrid,isize,iin,kout,yname)
#endif
END IF
!
IF (lhook) CALL dr_hook('SUM_ON_ALL_PROCS',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END FUNCTION sum_on_all_procs