// Boost.Units - A C++ library for zero-overhead dimensional analysis and | |
// unit/quantity manipulation and conversion | |
// | |
// Copyright (C) 2003-2008 Matthias Christian Schabel | |
// Copyright (C) 2007-2008 Steven Watanabe | |
// | |
// 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_SI_PREFIXES_HPP | |
#define BOOST_UNITS_SI_PREFIXES_HPP | |
#include <boost/units/static_constant.hpp> | |
#include <boost/units/make_scaled_unit.hpp> | |
#include <boost/units/systems/si/dimensionless.hpp> | |
namespace boost { | |
namespace units { | |
namespace si { | |
#define BOOST_UNITS_METRIC_PREFIX(exponent, name) \ | |
typedef make_scaled_unit<dimensionless, scale<10, static_rational<exponent> > >::type name ## _type;\ | |
BOOST_UNITS_STATIC_CONSTANT(name, name ## _type) | |
BOOST_UNITS_METRIC_PREFIX(-24, yocto); | |
BOOST_UNITS_METRIC_PREFIX(-21, zepto); | |
BOOST_UNITS_METRIC_PREFIX(-18, atto); | |
BOOST_UNITS_METRIC_PREFIX(-15, femto); | |
BOOST_UNITS_METRIC_PREFIX(-12, pico); | |
BOOST_UNITS_METRIC_PREFIX(-9, nano); | |
BOOST_UNITS_METRIC_PREFIX(-6, micro); | |
BOOST_UNITS_METRIC_PREFIX(-3, milli); | |
BOOST_UNITS_METRIC_PREFIX(-2, centi); | |
BOOST_UNITS_METRIC_PREFIX(-1, deci); | |
BOOST_UNITS_METRIC_PREFIX(1, deka); | |
BOOST_UNITS_METRIC_PREFIX(2, hecto); | |
BOOST_UNITS_METRIC_PREFIX(3, kilo); | |
BOOST_UNITS_METRIC_PREFIX(6, mega); | |
BOOST_UNITS_METRIC_PREFIX(9, giga); | |
BOOST_UNITS_METRIC_PREFIX(12, tera); | |
BOOST_UNITS_METRIC_PREFIX(15, peta); | |
BOOST_UNITS_METRIC_PREFIX(18, exa); | |
BOOST_UNITS_METRIC_PREFIX(21, zetta); | |
BOOST_UNITS_METRIC_PREFIX(24, yotta); | |
/*BOOST_UNITS_STATIC_CONSTANT(yocto,long double) = (1e-24); ///< metric prefix for 1.0e-24 | |
BOOST_UNITS_STATIC_CONSTANT(zepto,long double) = (1e-21); ///< metric prefix for 1.0e-21 | |
BOOST_UNITS_STATIC_CONSTANT(atto,long double) = (1e-18); ///< metric prefix for 1.0e-18 | |
BOOST_UNITS_STATIC_CONSTANT(femto,long double) = (1e-15); ///< metric prefix for 1.0e-15 | |
BOOST_UNITS_STATIC_CONSTANT(pico,long double) = (1e-12); ///< metric prefix for 1.0e-12 | |
BOOST_UNITS_STATIC_CONSTANT(nano,long double) = (1e-9); ///< metric prefix for 1.0e-9 | |
BOOST_UNITS_STATIC_CONSTANT(micro,long double) = (1e-6); ///< metric prefix for 1.0e-6 | |
BOOST_UNITS_STATIC_CONSTANT(milli,long double) = (1e-3); ///< metric prefix for 1.0e-3 | |
BOOST_UNITS_STATIC_CONSTANT(centi,long double) = (1e-2); ///< metric prefix for 1.0e-2 | |
BOOST_UNITS_STATIC_CONSTANT(deci,long double) = (1e-1); ///< metric prefix for 1.0e-1 | |
BOOST_UNITS_STATIC_CONSTANT(deka,long double) = (1e1); ///< metric prefix for 1.0e+1 | |
BOOST_UNITS_STATIC_CONSTANT(hecto,long double) = (1e2); ///< metric prefix for 1.0e+2 | |
BOOST_UNITS_STATIC_CONSTANT(kilo,long double) = (1e3); ///< metric prefix for 1.0e+3 | |
BOOST_UNITS_STATIC_CONSTANT(mega,long double) = (1e6); ///< metric prefix for 1.0e+6 | |
BOOST_UNITS_STATIC_CONSTANT(giga,long double) = (1e9); ///< metric prefix for 1.0e+9 | |
BOOST_UNITS_STATIC_CONSTANT(tera,long double) = (1e12); ///< metric prefix for 1.0e+12 | |
BOOST_UNITS_STATIC_CONSTANT(peta,long double) = (1e15); ///< metric prefix for 1.0e+15 | |
BOOST_UNITS_STATIC_CONSTANT(exa,long double) = (1e18); ///< metric prefix for 1.0e+18 | |
BOOST_UNITS_STATIC_CONSTANT(zetta,long double) = (1e21); ///< metric prefix for 1.0e+21 | |
BOOST_UNITS_STATIC_CONSTANT(yotta,long double) = (1e24); ///< metric prefix for 1.0e+24 */ | |
} // namespace si | |
} // namespace units | |
} // namespace boost | |
#endif // BOOST_UNITS_SI_PREFIXES_HPP |