C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/gmredi/gmredi_check.F,v 1.2 2001/01/29 20:07:39 heimbach Exp $

#include "CPP_OPTIONS.h"

      SUBROUTINE GMREDI_CHECK( myThid )
C     /==========================================================\
C     | SUBROUTINE GMREDI_CHECK                                  |
C     | o Check dependances with other packages                  |
C     |==========================================================|
C     \==========================================================/
      IMPLICIT NONE

C     === Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GMREDI.h"

C     === Routine arguments ===
C     myThid -  Number of this instances
      INTEGER myThid

C     === Local variables ===
C     msgBuf      - Informational/error meesage buffer
      CHARACTER*(MAX_LEN_MBUF) msgBuf


#ifdef ALLOW_GMREDI

      IF (GMRediIsOn) THEN

       WRITE(msgBuf,'(A)') 'GMREDI_PKG_CHECK: #define GMREDI'
C      GM/Redi needs implicit diffusion (will be packaged later)
       IF (.NOT.implicitDiffusion) THEN
        WRITE(msgBuf,'(A)') 'GM/Redi needs implicitDiffusion=.true.'
        CALL PRINT_ERROR( msgBuf , 1)
        STOP 'ABNORMAL END: S/R PACKAGE_CHECK'
       ENDIF

      ENDIF

#endif


      return
      end