C $Header: /home/ubuntu/mnt/e9_copy/MITgcm_contrib/dgoldberg/code_cg3d_petsc/cg3d_initialize_petsc.F,v 1.2 2016/07/02 17:48:26 dgoldberg Exp $
C $Name:  $

#include "CPP_OPTIONS.h"

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

CBOP
      SUBROUTINE CG3D_INITIALIZE_PETSC
C     /============================================================\
C     | SUBROUTINE                                                 |
C     | o                                                          |
C     |============================================================|
C     |                                                            |
C     \============================================================/
      IMPLICIT NONE

C     === Global variables ===
#include "SIZE.h"
#include "GRID.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#ifdef ALLOW_NONHYDROSTATIC
#ifdef ALLOW_PETSC
#include "finclude/petsc.h"
#endif
#endif


C     !INPUT/OUTPUT ARGUMENTS
      INTEGER myThid

#ifdef ALLOW_NONHYDROSTATIC
#ifdef ALLOW_PETSC

      PetscErrorCode ierr

      if (use_cg3d_petsc) then
         call petscInitialize(PETSC_NULL_CHARACTER,ierr)
      endif

#endif
#endif
      RETURN
      END