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+# Interface definition for thorn CarpetRegrid
+# $Header: /home/eschnett/C/carpet/Carpet/Carpet/CarpetRegrid/interface.ccl,v 1.17 2004/08/07 19:44:59 schnetter Exp $
+
+IMPLEMENTS: CarpetRegrid
+
+uses include header: carpet.hh
+
+uses include header: defs.hh
+
+uses include header: bbox.hh
+uses include header: bboxset.hh
+uses include header: vect.hh
+
+uses include header: gf.hh
+uses include header: gh.hh
+
+
+
+# The location of the boundary points
+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)
+USES FUNCTION GetBoundarySpecification
+
+# The overall size of the domain
+CCTK_INT FUNCTION GetDomainSpecification \
+  (CCTK_INT IN size, \
+   CCTK_REAL OUT ARRAY physical_min, \
+   CCTK_REAL OUT ARRAY physical_max, \
+   CCTK_REAL OUT ARRAY interior_min, \
+   CCTK_REAL OUT ARRAY interior_max, \
+   CCTK_REAL OUT ARRAY exterior_min, \
+   CCTK_REAL OUT ARRAY exterior_max, \
+   CCTK_REAL OUT ARRAY spacing)
+USES FUNCTION GetDomainSpecification
+
+# Convert between boundaries types
+CCTK_INT FUNCTION ConvertFromPhysicalBoundary \
+  (CCTK_INT IN size, \
+   CCTK_REAL IN  ARRAY physical_min, \
+   CCTK_REAL IN  ARRAY physical_max, \
+   CCTK_REAL OUT ARRAY interior_min, \
+   CCTK_REAL OUT ARRAY interior_max, \
+   CCTK_REAL OUT ARRAY exterior_min, \
+   CCTK_REAL OUT ARRAY exterior_max, \
+   CCTK_REAL IN  ARRAY spacing)
+USES FUNCTION ConvertFromPhysicalBoundary
+
+
+
+# The true prototype of the routine below:
+#   int Carpet_Regrid (const cGH * cctkGH,
+#                      gh<dim>::rexts  * bbsss,
+#                      gh<dim>::rbnds  * obss,
+#                      gh<dim>::rprocs * pss);
+CCTK_INT FUNCTION Carpet_Regrid (CCTK_POINTER_TO_CONST IN cctkGH,  \
+                                 CCTK_POINTER IN bbsss,            \
+                                 CCTK_POINTER IN obss,             \
+                                 CCTK_POINTER IN pss,		   \
+				 CCTK_INT IN force)
+PROVIDES FUNCTION Carpet_Regrid WITH CarpetRegrid_Regrid LANGUAGE C
+
+
+
+
+CCTK_INT FUNCTION RegridLevel (CCTK_POINTER_TO_CONST IN cctkGH,  \
+			       CCTK_INT IN current_max_reflevel, \
+			       CCTK_INT IN max_reflevels)
+USES FUNCTION RegridLevel