expand comments on setup_*_ghost_zone(), setup_patch_frontier()

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@208 f88db872-0e4f-0410-b76b-b9085cfa78c5

1 files changed, 7 insertions, 4 deletions

diff --git a/src/patch/patch.hh b/src/patch/patch.hh
index 229c365..6bfc326 100644
--- a/src/patch/patch.hh
+++ b/src/patch/patch.hh
@@ -289,25 +289,28 @@ public:
 	// ***** set up ghost zone and frontier subobjects
 	//
 
-	// set up one of our ghost zones as mirror-symmetry
+	// assert() that this ghost zone hasn't been set up yet,
+	// then set it up as mirror-symmetry
 	// ... return reference to new ghost zone
 	symmetry_ghost_zone& setup_mirror_symmetry_ghost_zone
 		(const patch_edge& edge);
 
-	// set up one of our ghost zones as periodic-symmetry
+	// assert() that this ghost zone hasn't been set up yet,
+	// then set it up as periodic-symmetry
 	// ... return reference to new ghost zone
 	symmetry_ghost_zone& setup_periodic_symmetry_ghost_zone
 	   (const patch_edge& my_edge, const patch_edge& symmetry_edge,
 	    bool ipar_map_sign);	// one of cpm_map::{plus,minus}_map
 
-	// set up one of our ghost zones as interpatch
+	// assert() that this ghost zone hasn't been set up yet,
+	// then set it up as interpatch
 	// ... but don't link it to the other patch's frontier
 	//     (which doesn't exist yet)
 	// ... return reference to new ghost zone
 	interpatch_ghost_zone& setup_interpatch_ghost_zone
 		(const patch_edge& my_edge, const patch_edge& other_edge);
 
-	// set up one of our patch frontiers
+	// assert() that this frontier hasn't been set up yet, then set it up
 	// ... return reference to new frontier
 	patch_frontier& setup_patch_frontier(const patch_edge& my_edge_in,
 					     int min_iperp_in, int max_iperp_in,