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/doc/samples/vector_range_project.cpp b/doc/samples/vector_range_project.cpp
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+++ b/doc/samples/vector_range_project.cpp
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+//
+//  Copyright (c) 2000-2002
+//  Joerg Walter, Mathias Koch
+//
+//  Distributed under 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)
+//
+//  The authors gratefully acknowledge the support of
+//  GeNeSys mbH & Co. KG in producing this work.
+//
+
+#include <boost/numeric/ublas/vector.hpp>
+#include <boost/numeric/ublas/vector_proxy.hpp>
+#include <boost/numeric/ublas/io.hpp>
+
+int main () {
+    using namespace boost::numeric::ublas;
+    vector<double> v (3);
+    for (int i = 0; i < 3; ++ i)
+        project (v, range (0, 3)) (i) = i;
+    std::cout << project (v, range (0, 3)) << std::endl;
+}
+