| 1 | // Boost.Units - A C++ library for zero-overhead dimensional analysis and |
|---|---|
| 2 | // unit/quantity manipulation and conversion |
| 3 | // |
| 4 | // Copyright (C) 2003-2008 Matthias Christian Schabel |
| 5 | // Copyright (C) 2007-2008 Steven Watanabe |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. (See |
| 8 | // accompanying file LICENSE_1_0.txt or copy at |
| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
| 10 | |
| 11 | #ifndef BOOST_UNIT_SYSTEMS_METRIC_ANGSTROM_HPP_INCLUDED |
| 12 | #define BOOST_UNIT_SYSTEMS_METRIC_ANGSTROM_HPP_INCLUDED |
| 13 | |
| 14 | #include <boost/units/scaled_base_unit.hpp> |
| 15 | #include <boost/units/static_rational.hpp> |
| 16 | #include <boost/units/scale.hpp> |
| 17 | #include <boost/units/units_fwd.hpp> |
| 18 | #include <boost/units/base_units/si/meter.hpp> |
| 19 | |
| 20 | namespace boost { |
| 21 | namespace units { |
| 22 | namespace metric { |
| 23 | |
| 24 | typedef scaled_base_unit<boost::units::si::meter_base_unit, scale<10, static_rational<-10> > > angstrom_base_unit; |
| 25 | |
| 26 | } |
| 27 | |
| 28 | template<> |
| 29 | struct base_unit_info<metric::angstrom_base_unit> { |
| 30 | static BOOST_CONSTEXPR const char* name() { return("angstrom"); } |
| 31 | static BOOST_CONSTEXPR const char* symbol() { return("A"); } |
| 32 | }; |
| 33 | |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | #endif // BOOST_UNIT_SYSTEMS_METRIC_ANGSTROM_HPP_INCLUDED |
| 38 |