add boost on mac

macx64/include/boost/units/systems/information/byte.hpp

@@ -0,0 +1,45 @@
+// 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_SYSTEMS_INFORMATION_BYTE_HPP_INCLUDED
+#define BOOST_UNITS_SYSTEMS_INFORMATION_BYTE_HPP_INCLUDED
+
+#include <boost/units/make_system.hpp>
+#include <boost/units/unit.hpp>
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/base_units/information/byte.hpp>
+
+namespace boost {
+namespace units { 
+namespace information {
+
+typedef make_system<byte_base_unit>::type system;
+
+typedef unit<dimensionless_type, system> dimensionless;
+
+namespace hu {
+namespace byte {
+typedef unit<information_dimension, system> info;
+} // namespace bit
+} // namespace hu
+
+BOOST_UNITS_STATIC_CONSTANT(byte, hu::byte::info);
+BOOST_UNITS_STATIC_CONSTANT(bytes, hu::byte::info);
+
+// I'm going to define boost::units::information::info (the "default")
+// to be hu::byte::info -- other variants such as hu::bit::info, hu::nat::info, etc
+// must be explicitly referred to
+typedef hu::byte::info info;
+
+} // namespace information
+} // namespace units
+} // namespace boost
+
+#endif // BOOST_UNITS_SYSTEMS_INFORMATION_BYTE_HPP_INCLUDED