Added boost header

test/external/boost/units/physical_dimensions/angular_acceleration.hpp

@@ -0,0 +1,30 @@
+// Boost.Units - A C++ library for zero-overhead dimensional analysis and 
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2003-2008 Matthias Christian Schabel
+// Copyright (C) 2008 Steven Watanabe
+//
+// 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)
+
+#ifndef BOOST_UNITS_ANGULAR_ACCELERATION_DERIVED_DIMENSION_HPP
+#define BOOST_UNITS_ANGULAR_ACCELERATION_DERIVED_DIMENSION_HPP
+
+#include <boost/units/derived_dimension.hpp>
+#include <boost/units/physical_dimensions/plane_angle.hpp>
+#include <boost/units/physical_dimensions/time.hpp>
+
+namespace boost {
+
+namespace units {
+
+/// derived dimension for angular acceleration : T^-2 QP
+typedef derived_dimension<time_base_dimension,-2,
+                          plane_angle_base_dimension,1>::type angular_acceleration_dimension; 
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_ANGULAR_ACCELERATION_DERIVED_DIMENSION_HPP