Added boost header

test/external/boost/chrono/ceil.hpp

@@ -0,0 +1,36 @@
+//  boost/chrono/round.hpp  ------------------------------------------------------------//
+
+//  (C) Copyright Howard Hinnant
+//  Copyright 2011 Vicente J. Botet Escriba
+
+//  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)
+
+//  See http://www.boost.org/libs/chrono for documentation.
+
+#ifndef BOOST_CHRONO_CEIL_HPP
+#define BOOST_CHRONO_CEIL_HPP
+
+#include <boost/chrono/duration.hpp>
+
+namespace boost
+{
+  namespace chrono
+  {
+
+    /**
+     * rounds up
+     */
+    template <class To, class Rep, class Period>
+    To ceil(const duration<Rep, Period>& d)
+    {
+        To t = duration_cast<To>(d);
+        if (t < d)
+            ++t;
+        return t;
+    }
+
+  } // namespace chrono
+} // namespace boost
+
+#endif