From 3bd1e904a73d01bf4a01e44e61c92109ca6e8c75 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@cct.lsu.edu>
Date: Wed, 25 Aug 2010 11:33:21 -0400
Subject: CarpetLib: Add "offset" function

---
 Carpet/CarpetLib/src/bbox.hh | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Carpet')

diff --git a/Carpet/CarpetLib/src/bbox.hh b/Carpet/CarpetLib/src/bbox.hh
index c3c346058..1c3d5d407 100644
--- a/Carpet/CarpetLib/src/bbox.hh
+++ b/Carpet/CarpetLib/src/bbox.hh
@@ -101,6 +101,9 @@ public:
   /** Get stride.  */
   vect<T,D> stride () const { return _stride; }
   
+  /** Get offset.  */
+  vect<T,D> offset () const { return (_lower % _stride + _stride) % _stride; }
+  
   /** Get the shape (or extent).  */
   vect<T,D> shape () const { return _upper - _lower + _stride; }
   
-- 
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