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_NAUTICAL_MILE_HPP_INCLUDED
12#define BOOST_UNIT_SYSTEMS_METRIC_NAUTICAL_MILE_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/base_units/si/meter.hpp>
18
19namespace boost {
20namespace units {
21namespace metric {
22
23typedef scaled_base_unit<boost::units::si::meter_base_unit, scale<1852, static_rational<1> > > nautical_mile_base_unit;
24
25}
26
27template<>
28struct base_unit_info<metric::nautical_mile_base_unit> {
29 static BOOST_CONSTEXPR const char* name() { return("nautical mile"); }
30 static BOOST_CONSTEXPR const char* symbol() { return("nmi"); }
31};
32
33}
34}
35
36#endif // BOOST_UNIT_SYSTEMS_METRIC_NAUTICAL_MILE_HPP_INCLUDED
37

source code of boost/libs/units/include/boost/units/base_units/metric/nautical_mile.hpp