Squashed 'third_party/boostorg/ublas/' content from commit e8607b3

Change-Id: Ia06afd642157a24e17fa9ddea28fb8601810b78e
git-subtree-dir: third_party/boostorg/ublas
git-subtree-split: e8607b3eea238e590eca93bfe498c21f470155c1
diff --git a/benchmarks/bench5/Jamfile.v2 b/benchmarks/bench5/Jamfile.v2
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+# Copyright (c) 2004-2010 Michael Stevens, David Bellot
+# Use, modification and distribution are subject to the
+# Boost Software License, Version 1.0. (See accompanying file
+# LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+# bench5 measures performance of the assignment operator
+
+exe bench5
+    : assignment_bench.cpp
+    : <define>BOOST_UBLAS_USE_INTERVAL
+    ;