Merge commit '4ebe6417a5fce5f0994fc0c31bebf732be96a07c' as 'boost'

boost/libs/numeric/ublas/doc/samples/map_array.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/storage_sparse.hpp>
+
+int main () {
+    using namespace boost::numeric::ublas;
+    map_array<int, double> a;
+    a.reserve (3);
+    for (unsigned i = 0; i < 3; ++ i) {
+        a [i] = i;
+        std::cout << a [i] << std::endl;
+    }
+}
+