1 files changed, 7 insertions, 1 deletions

diff --git a/linden/indra/llmath/llrect.h b/linden/indra/llmath/llrect.h
index a9faa19..9eb58db 100644
--- a/linden/indra/llmath/llrect.h
+++ b/linden/indra/llmath/llrect.h
@@ -17,7 +17,8 @@
  * There are special exceptions to the terms and conditions of the GPL as
  * it is applied to this Source Code. View the full text of the exception
  * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
  * 
  * By copying, modifying or distributing this software, you acknowledge
  * that you have read and understood your obligations described above,
@@ -223,6 +224,11 @@ public:
                 return *this;
         }
 
+        bool isValid() const
+        {
+                return mLeft <= mRight && mBottom <= mTop;
+        }
+
         bool isNull() const
         {
                 return mLeft == mRight || mBottom == mTop;