!!----------------------------------------------------------------------
   !!                    *** zdfddm_substitute.h90  ***
   !!----------------------------------------------------------------------
   !! ** purpose :   substitute fsaht. the eddy diffusivity coeff.
   !!      with a constant or 1D or 2D or 3D array, using CPP macro.
   !!----------------------------------------------------------------------
   !!----------------------------------------------------------------------
   !! NEMO/OPA 3.3 , NEMO Consortium (2010)
   !! $Id$ 
   !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
   !!----------------------------------------------------------------------
#if defined key_zdfddm
!   'key_zdfddm' :                      avs: 3D array defined in zdfddm module
#   define   fsavs(i,j,k)   avs(i,j,k)
#else
!   Defautl option :                     avs = avt
#   define   fsavs(i,j,k)   avt(i,j,k)
#endif