# Interface definition for thorn ADMBase
# $Header$

implements: ADMBase
inherits: grid
USES INCLUDE HEADER: Symmetry.h

CCTK_INT FUNCTION GetBoundarySpecification \
  (CCTK_INT IN size, \
   CCTK_INT OUT ARRAY nboundaryzones, \
   CCTK_INT OUT ARRAY is_internal, \
   CCTK_INT OUT ARRAY is_staggered, \
   CCTK_INT OUT ARRAY shiftout)
REQUIRES FUNCTION GetBoundarySpecification

public:

INT shift_state TYPE = SCALAR "state of storage for shift"
INT dtlapse_state TYPE = SCALAR "state of storage for dtlapse"
INT dtshift_state TYPE = SCALAR "state of storage for dtshift"

REAL metric TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym" ProlongationParameter="ADMBase::metric_prolongation_type"'
{
  gxx,gxy,gxz,gyy,gyz,gzz
} "ADM 3-metric g_ij"

REAL curv TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym" ProlongationParameter="ADMBase::metric_prolongation_type"'
{
  kxx,kxy,kxz,kyy,kyz,kzz
} "ADM extrinsic curvature K_ij"

REAL lapse TYPE = GF timelevels = 3 tags='tensortypealias="Scalar" ProlongationParameter="ADMBase::lapse_prolongation_type"'
{
  alp
} "ADM lapse function alpha"

REAL shift TYPE = GF timelevels = 3 tags='tensortypealias="U" ProlongationParameter="ADMBase::shift_prolongation_type"'
{
  betax,betay,betaz
} "ADM shift function beta^i"

REAL dtlapse TYPE = GF timelevels = 3 tags='tensortypealias="Scalar" ProlongationParameter="ADMBase::lapse_prolongation_type"'
{
  dtalp
} "Time derivative of ADM lapse function alpha"

REAL dtshift TYPE = GF timelevels = 3 tags='tensortypealias="U" ProlongationParameter="ADMBase::shift_prolongation_type"'
{
  dtbetax,dtbetay,dtbetaz
} "Time derivative of ADM shift function beta^i"

#  Aliased function from thorn Boundary
CCTK_INT FUNCTION Boundary_SelectGroupForBC(CCTK_POINTER_TO_CONST IN GH,   \
  CCTK_INT IN faces, CCTK_INT IN boundary_width, CCTK_INT IN table_handle, \
  CCTK_STRING IN group_name, CCTK_STRING IN bc_name)
USES FUNCTION Boundary_SelectGroupForBC