add boost on mac

macx64/include/boost/units/physical_dimensions/information.hpp

@@ -0,0 +1,44 @@
+// Boost.Units - A C++ library for zero-overhead dimensional analysis and 
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2014 Erik Erlandson
+//
+// 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_INFORMATION_BASE_DIMENSION_HPP
+#define BOOST_UNITS_INFORMATION_BASE_DIMENSION_HPP
+
+#include <boost/units/config.hpp>
+#include <boost/units/base_dimension.hpp>
+
+namespace boost {
+namespace units { 
+
+/// base dimension of information
+struct information_base_dimension : 
+    boost::units::base_dimension<information_base_dimension, -700>
+{ };
+
+} // namespace units
+} // namespace boost
+
+#if BOOST_UNITS_HAS_BOOST_TYPEOF
+
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+
+BOOST_TYPEOF_REGISTER_TYPE(boost::units::information_base_dimension)
+
+#endif
+
+namespace boost {
+namespace units {
+
+/// dimension of information
+typedef information_base_dimension::dimension_type information_dimension;
+
+} // namespace units
+} // namespace boost
+
+#endif