1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and 2 // unit/quantity manipulation and conversion 3 // 4 // Copyright (C) 2014 Erik Erlandson 5 // 6 // Distributed under the Boost Software License, Version 1.0. (See 7 // accompanying file LICENSE_1_0.txt or copy at 8 // http://www.boost.org/LICENSE_1_0.txt) 9 10 #ifndef BOOST_UNITS_BASE_UNITS_INFORMATION_SHANNON_HPP_INCLUDED 11 #define BOOST_UNITS_BASE_UNITS_INFORMATION_SHANNON_HPP_INCLUDED 12 13 #include <boost/units/scaled_base_unit.hpp> 14 #include <boost/units/static_rational.hpp> 15 #include <boost/units/scale.hpp> 16 #include <boost/units/units_fwd.hpp> 17 #include <boost/units/base_units/information/bit.hpp> 18 19 namespace boost { 20 namespace units { 21 namespace information { 22 23 typedef scaled_base_unit<boost::units::information::bit_base_unit, scale<1, static_rational<1> > > shannon_base_unit; 24 25 } // namespace information 26 27 template<> 28 struct base_unit_info<information::shannon_base_unit> { nameboost::units::base_unit_info29 static BOOST_CONSTEXPR const char* name() { return("shannon"); } symbolboost::units::base_unit_info30 static BOOST_CONSTEXPR const char* symbol() { return("Sh"); } 31 }; 32 33 } // namespace units 34 } // namespace boost 35 36 #endif // BOOST_UNITS_BASE_UNITS_INFORMATION_SHANNON_HPP_INCLUDED 37