Index: multi_array/base.hpp
===================================================================
--- multi_array/base.hpp	(revision 61730)
+++ multi_array/base.hpp	(working copy)
@@ -443,7 +443,7 @@
       index len = (finish - start + (factor - shrinkage)) / factor;
 
       BOOST_ASSERT(index_bases[n] <= start &&
-                   start < index_bases[n]+index(extents[n]));
+                   start <= index_bases[n]+index(extents[n]));
 
 #ifndef BOOST_DISABLE_ASSERTS
       // The legal values of finish depends on the sign of the factor