add patch::edge_adjacent_to_patch()

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@156 f88db872-0e4f-0410-b76b-b9085cfa78c5

1 files changed, 5 insertions, 0 deletions

diff --git a/src/patch/patch.hh b/src/patch/patch.hh
index 5e8a9c8..97b56da 100644
--- a/src/patch/patch.hh
+++ b/src/patch/patch.hh
@@ -250,6 +250,11 @@ public:
 					    : max_sigma_patch_edge());
 		}
 
+	// find which patch edge is adjacent to neighboring patch,
+	// or error_exit() if it's not actually a neighboring patch
+	// ... computation done using only (rho,sigma) coordinate sets
+	// and min/max dang bounds ==> ok to use in setting up ghost zones
+	const patch_edge& edge_adjacent_to_patch(const patch& q) const;
 
 	//
 	// ***** ghost zones *****