# *******************
# ECCO gradient check
# *******************
 &GRDCHK_NML
# grdchk_eps       = 0.,
 grdchk_eps       = 1.d-6,
 nbeg             = 1,
 nstep            = 1,
 nend             = 20,
 grdchkvarindex   = 1,
 /