// 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) 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_CODATA_UNIVERSAL_CONSTANTS_HPP
#define BOOST_UNITS_CODATA_UNIVERSAL_CONSTANTS_HPP
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
/// \file
/// CODATA recommended values of fundamental universal constants
/// using CODATA 2006 values as of 2007/03/30
namespace boost {
namespace units {
namespace si {
namespace constants {
namespace codata {
/// CODATA recommended values of the fundamental physical constants: NIST SP 961
// UNIVERSAL
/// speed of light
BOOST_UNITS_PHYSICAL_CONSTANT(c,quantity,299792458.0*meters/second,0.0*meters/second);
/// magnetic constant (exactly 4 pi x 10^(-7) - error is due to finite precision of pi)
BOOST_UNITS_PHYSICAL_CONSTANT(mu_0,quantity,12.56637061435917295385057353311801153679e-7*newtons/ampere/ampere,0.0*newtons/ampere/ampere);
/// electric constant
BOOST_UNITS_PHYSICAL_CONSTANT(epsilon_0,quantity,8.854187817620389850536563031710750260608e-12*farad/meter,0.0*farad/meter);
/// characteristic impedance of vacuum
BOOST_UNITS_PHYSICAL_CONSTANT(Z_0,quantity,376.7303134617706554681984004203193082686*ohm,0.0*ohm);
/// Newtonian constant of gravitation
BOOST_UNITS_PHYSICAL_CONSTANT(G,quantity,6.67428e-11*cubic_meters/kilogram/second/second,6.7e-15*cubic_meters/kilogram/second/second);
/// Planck constant
BOOST_UNITS_PHYSICAL_CONSTANT(h,quantity,6.62606896e-34*joule*seconds,3.3e-41*joule*seconds);
/// Dirac constant
BOOST_UNITS_PHYSICAL_CONSTANT(hbar,quantity,1.054571628e-34*joule*seconds,5.3e-42*joule*seconds);
/// Planck mass
BOOST_UNITS_PHYSICAL_CONSTANT(m_P,quantity,2.17644e-8*kilograms,1.1e-12*kilograms);
/// Planck temperature
BOOST_UNITS_PHYSICAL_CONSTANT(T_P,quantity,1.416785e32*kelvin,7.1e27*kelvin);
/// Planck length
BOOST_UNITS_PHYSICAL_CONSTANT(l_P,quantity,1.616252e-35*meters,8.1e-40*meters);
/// Planck time
BOOST_UNITS_PHYSICAL_CONSTANT(t_P,quantity