projects / ceph.git / blame
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| 7c673cae FG |
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) 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_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP | |
| 12 | #define BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP | |
| 13 | ||
| 14 | /// | |
| 15 | /// \file | |
| 16 | /// \brief CODATA recommended values of fundamental electromagnetic constants. | |
| 17 | /// \details CODATA recommended values of the fundamental physical constants: NIST SP 961 | |
| 18 | /// CODATA 2006 values as of 2007/03/30 | |
| 19 | /// | |
| 20 | ||
| 21 | #include <boost/units/quantity.hpp> | |
| 22 | #include <boost/units/static_constant.hpp> | |
| 23 | ||
| 24 | #include <boost/units/systems/detail/constants.hpp> | |
| 25 | #include <boost/units/systems/si/conductance.hpp> | |
| 26 | #include <boost/units/systems/si/current.hpp> | |
| 27 | #include <boost/units/systems/si/electric_charge.hpp> | |
| 28 | #include <boost/units/systems/si/electric_potential.hpp> | |
| 29 | #include <boost/units/systems/si/energy.hpp> | |
| 30 | #include <boost/units/systems/si/frequency.hpp> | |
| 31 | #include <boost/units/systems/si/magnetic_flux.hpp> | |
| 32 | #include <boost/units/systems/si/magnetic_flux_density.hpp> | |
| 33 | #include <boost/units/systems/si/resistance.hpp> | |
| 34 | ||
| 35 | #include <boost/units/systems/si/codata/typedefs.hpp> | |
| 36 | ||
| 37 | namespace boost { | |
| 38 | ||
| 39 | namespace units { | |
| 40 | ||
| 41 | namespace si { | |
| 42 | ||
| 43 | namespace constants { | |
| 44 | ||
| 45 | namespace codata { | |
| 46 | ||
| 47 | // ELECTROMAGNETIC | |
| 48 | /// elementary charge | |
| 49 | BOOST_UNITS_PHYSICAL_CONSTANT(e,quantity<electric_charge>,1.602176487e-19*coulombs,4.0e-27*coulombs); | |
| 50 | /// elementary charge to Planck constant ratio | |
| 51 | BOOST_UNITS_PHYSICAL_CONSTANT(e_over_h,quantity<current_over_energy>,2.417989454e14*amperes/joule,6.0e6*amperes/joule); | |
| 52 | /// magnetic flux quantum | |
| 53 | BOOST_UNITS_PHYSICAL_CONSTANT(Phi_0,quantity<magnetic_flux>,2.067833667e-15*webers,5.2e-23*webers); | |
| 54 | /// conductance quantum | |
| 55 | BOOST_UNITS_PHYSICAL_CONSTANT(G_0,quantity<conductance>,7.7480917004e-5*siemens,5.3e-14*siemens); | |
| 56 | /// Josephson constant | |
| 57 | BOOST_UNITS_PHYSICAL_CONSTANT(K_J,quantity<frequency_over_electric_potential>,483597.891e9*hertz/volt,1.2e7*hertz/volt); | |
| 58 | /// von Klitzing constant | |
| 59 | BOOST_UNITS_PHYSICAL_CONSTANT(R_K,quantity<resistance>,25812.807557*ohms,1.77e-5*ohms); | |
| 60 | /// Bohr magneton | |
| 61 | BOOST_UNITS_PHYSICAL_CONSTANT(mu_B,quantity<energy_over_magnetic_flux_density>,927.400915e-26*joules/tesla,2.3e-31*joules/tesla); | |
| 62 | /// nuclear magneton | |
| 63 | BOOST_UNITS_PHYSICAL_CONSTANT(mu_N,quantity<energy_over_magnetic_flux_density>,5.05078324e-27*joules/tesla,1.3e-34*joules/tesla); | |
| 64 | ||
| 65 | } // namespace codata | |
| 66 | ||
| 67 | } // namespace constants | |
| 68 | ||
| 69 | } // namespace si | |
| 70 | ||
| 71 | } // namespace units | |
| 72 | ||
| 73 | } // namespace boost | |
| 74 | ||
| 75 | #endif // BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP |