summaryrefslogtreecommitdiff
path: root/boost/units/systems/si/codata
diff options
context:
space:
mode:
Diffstat (limited to 'boost/units/systems/si/codata')
-rw-r--r--boost/units/systems/si/codata/alpha_constants.hpp65
-rw-r--r--boost/units/systems/si/codata/atomic-nuclear_constants.hpp56
-rw-r--r--boost/units/systems/si/codata/deuteron_constants.hpp81
-rw-r--r--boost/units/systems/si/codata/electromagnetic_constants.hpp74
-rw-r--r--boost/units/systems/si/codata/electron_constants.hpp105
-rw-r--r--boost/units/systems/si/codata/helion_constants.hpp77
-rw-r--r--boost/units/systems/si/codata/muon_constants.hpp83
-rw-r--r--boost/units/systems/si/codata/neutron_constants.hpp83
-rw-r--r--boost/units/systems/si/codata/physico-chemical_constants.hpp78
-rw-r--r--boost/units/systems/si/codata/proton_constants.hpp97
-rw-r--r--boost/units/systems/si/codata/tau_constants.hpp71
-rw-r--r--boost/units/systems/si/codata/triton_constants.hpp79
-rw-r--r--boost/units/systems/si/codata/typedefs.hpp79
-rw-r--r--boost/units/systems/si/codata/universal_constants.hpp80
14 files changed, 1108 insertions, 0 deletions
diff --git a/boost/units/systems/si/codata/alpha_constants.hpp b/boost/units/systems/si/codata/alpha_constants.hpp
new file mode 100644
index 0000000000..1b1846f2e3
--- /dev/null
+++ b/boost/units/systems/si/codata/alpha_constants.hpp
@@ -0,0 +1,65 @@
+// 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_ALPHA_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_ALPHA_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// alpha particle mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha,quantity<mass>,6.64465620e-27*kilograms,3.3e-34*kilograms);
+/// alpha-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha_over_m_e,quantity<dimensionless>,7294.2995365*dimensionless(),3.1e-6*dimensionless());
+/// alpha-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha_over_m_p,quantity<dimensionless>,3.97259968951*dimensionless(),4.1e-10*dimensionless());
+/// alpha molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_alpha,quantity<mass_over_amount>,4.001506179127e-3*kilograms/mole,6.2e-14*kilograms/mole);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_ALPHA_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/atomic-nuclear_constants.hpp b/boost/units/systems/si/codata/atomic-nuclear_constants.hpp
new file mode 100644
index 0000000000..80b4c279e2
--- /dev/null
+++ b/boost/units/systems/si/codata/atomic-nuclear_constants.hpp
@@ -0,0 +1,56 @@
+// 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_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
+
+#include <boost/units/systems/si/codata/alpha_constants.hpp>
+#include <boost/units/systems/si/codata/deuteron_constants.hpp>
+#include <boost/units/systems/si/codata/electron_constants.hpp>
+#include <boost/units/systems/si/codata/helion_constants.hpp>
+#include <boost/units/systems/si/codata/muon_constants.hpp>
+#include <boost/units/systems/si/codata/neutron_constants.hpp>
+#include <boost/units/systems/si/codata/proton_constants.hpp>
+#include <boost/units/systems/si/codata/tau_constants.hpp>
+#include <boost/units/systems/si/codata/triton_constants.hpp>
+
+namespace boost {
+
+namespace units {
+
+namespace si {
+
+namespace constants {
+
+namespace codata {
+
+/// CODATA recommended values of the fundamental physical constants: NIST SP 961
+
+// ATOMIC AND NUCLEAR
+/// fine structure constant
+BOOST_UNITS_PHYSICAL_CONSTANT(alpha,quantity<dimensionless>,7.2973525376e-3*dimensionless(),5.0e-12*dimensionless());
+/// Rydberg constant
+BOOST_UNITS_PHYSICAL_CONSTANT(R_infinity,quantity<wavenumber>,10973731.568527/meter,7.3e-5/meter);
+/// Bohr radius
+BOOST_UNITS_PHYSICAL_CONSTANT(a_0,quantity<length>,0.52917720859e-10*meters,3.6e-20*meters);
+/// Hartree energy
+BOOST_UNITS_PHYSICAL_CONSTANT(E_h,quantity<energy>,4.35974394e-18*joules,2.2e-25*joules);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/deuteron_constants.hpp b/boost/units/systems/si/codata/deuteron_constants.hpp
new file mode 100644
index 0000000000..a92b6664db
--- /dev/null
+++ b/boost/units/systems/si/codata/deuteron_constants.hpp
@@ -0,0 +1,81 @@
+// 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_DEUTERON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_DEUTERON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// deuteron mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_d,quantity<mass>,3.34358320e-27*kilograms,1.7e-34*kilograms);
+/// deuteron-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_d_over_m_e,quantity<dimensionless>,3670.4829654*dimensionless(),1.6e-6*dimensionless());
+/// deuteron-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_d_over_m_p,quantity<dimensionless>,1.99900750108*dimensionless(),2.2e-10*dimensionless());
+/// deuteron molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_d,quantity<mass_over_amount>,2.013553212724e-3*kilograms/mole,7.8e-14*kilograms/mole);
+/// deuteron rms charge radius
+BOOST_UNITS_PHYSICAL_CONSTANT(R_d,quantity<length>,2.1402e-15*meters,2.8e-18*meters);
+/// deuteron magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d,quantity<energy_over_magnetic_flux_density>,0.433073465e-26*joules/tesla,1.1e-34*joules/tesla);
+/// deuteron-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d_over_mu_B,quantity<dimensionless>,0.4669754556e-3*dimensionless(),3.9e-12*dimensionless());
+/// deuteron-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d_over_mu_N,quantity<dimensionless>,0.8574382308*dimensionless(),7.2e-9*dimensionless());
+/// deuteron g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_d,quantity<dimensionless>,0.8574382308*dimensionless(),7.2e-9*dimensionless());
+/// deuteron-electron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d_over_mu_e,quantity<dimensionless>,-4.664345537e-4*dimensionless(),3.9e-12*dimensionless());
+/// deuteron-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d_over_mu_p,quantity<dimensionless>,0.3070122070*dimensionless(),2.4e-9*dimensionless());
+/// deuteron-neutron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_d_over_mu_n,quantity<dimensionless>,-0.44820652*dimensionless(),1.1e-7*dimensionless());
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_DEUTERON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/electromagnetic_constants.hpp b/boost/units/systems/si/codata/electromagnetic_constants.hpp
new file mode 100644
index 0000000000..b2ffe26fb7
--- /dev/null
+++ b/boost/units/systems/si/codata/electromagnetic_constants.hpp
@@ -0,0 +1,74 @@
+// 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_ELECTROMAGNETIC_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP
+
+///
+/// \file
+/// \brief CODATA recommended values of fundamental electromagnetic constants.
+/// \details CODATA recommended values of the fundamental physical constants: NIST SP 961
+/// CODATA 2006 values as of 2007/03/30
+///
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/conductance.hpp>
+#include <boost/units/systems/si/current.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/electric_potential.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/magnetic_flux.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/resistance.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+namespace boost {
+
+namespace units {
+
+namespace si {
+
+namespace constants {
+
+namespace codata {
+
+// ELECTROMAGNETIC
+/// elementary charge
+BOOST_UNITS_PHYSICAL_CONSTANT(e,quantity<electric_charge>,1.602176487e-19*coulombs,4.0e-27*coulombs);
+/// elementary charge to Planck constant ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(e_over_h,quantity<current_over_energy>,2.417989454e14*amperes/joule,6.0e6*amperes/joule);
+/// magnetic flux quantum
+BOOST_UNITS_PHYSICAL_CONSTANT(Phi_0,quantity<magnetic_flux>,2.067833667e-15*webers,5.2e-23*webers);
+/// conductance quantum
+BOOST_UNITS_PHYSICAL_CONSTANT(G_0,quantity<conductance>,7.7480917004e-5*siemens,5.3e-14*siemens);
+/// Josephson constant
+BOOST_UNITS_PHYSICAL_CONSTANT(K_J,quantity<frequency_over_electric_potential>,483597.891e9*hertz/volt,1.2e7*hertz/volt);
+/// von Klitzing constant
+BOOST_UNITS_PHYSICAL_CONSTANT(R_K,quantity<resistance>,25812.807557*ohms,1.77e-5*ohms);
+/// Bohr magneton
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_B,quantity<energy_over_magnetic_flux_density>,927.400915e-26*joules/tesla,2.3e-31*joules/tesla);
+/// nuclear magneton
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_N,quantity<energy_over_magnetic_flux_density>,5.05078324e-27*joules/tesla,1.3e-34*joules/tesla);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/electron_constants.hpp b/boost/units/systems/si/codata/electron_constants.hpp
new file mode 100644
index 0000000000..131ba92395
--- /dev/null
+++ b/boost/units/systems/si/codata/electron_constants.hpp
@@ -0,0 +1,105 @@
+// 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_ELECTRON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_ELECTRON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// electron mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e,quantity<mass>,9.10938215e-31*kilograms,4.5e-38*kilograms);
+/// electron-muon mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_mu,quantity<dimensionless>,4.83633171e-3*dimensionless(),1.2e-10*dimensionless());
+/// electron-tau mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_tau,quantity<dimensionless>,2.87564e-4*dimensionless(),4.7e-8*dimensionless());
+/// electron-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_p,quantity<dimensionless>,5.4461702177e-4*dimensionless(),2.4e-13*dimensionless());
+/// electron-neutron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_n,quantity<dimensionless>,5.4386734459e-4*dimensionless(),3.3e-13*dimensionless());
+/// electron-deuteron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_d,quantity<dimensionless>,2.7244371093e-4*dimensionless(),1.2e-13*dimensionless());
+/// electron-alpha particle mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_e_over_m_alpha,quantity<dimensionless>,1.37093355570e-4*dimensionless(),5.8e-14*dimensionless());
+/// electron charge to mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(e_over_m_e,quantity<electric_charge_over_mass>,1.758820150e11*coulombs/kilogram,4.4e3*coulombs/kilogram);
+/// electron molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_e,quantity<mass_over_amount>,5.4857990943e-7*kilograms/mole,2.3e-16*kilograms/mole);
+/// Compton wavelength
+BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C,quantity<length>,2.4263102175e-12*meters,3.3e-21*meters);
+/// classical electron radius
+BOOST_UNITS_PHYSICAL_CONSTANT(r_e,quantity<length>,2.8179402894e-15*meters,5.8e-24*meters);
+/// Thompson cross section
+BOOST_UNITS_PHYSICAL_CONSTANT(sigma_e,quantity<area>,0.6652458558e-28*square_meters,2.7e-37*square_meters);
+/// electron magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e,quantity<energy_over_magnetic_flux_density>,-928.476377e-26*joules/tesla,2.3e-31*joules/tesla);
+/// electron-Bohr magenton moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_B,quantity<dimensionless>,-1.00115965218111*dimensionless(),7.4e-13*dimensionless());
+/// electron-nuclear magneton moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_N,quantity<dimensionless>,-183.28197092*dimensionless(),8.0e-7*dimensionless());
+/// electron magnetic moment anomaly
+BOOST_UNITS_PHYSICAL_CONSTANT(a_e,quantity<dimensionless>,1.15965218111e-3*dimensionless(),7.4e-13*dimensionless());
+/// electron g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_e,quantity<dimensionless>,-2.0023193043622*dimensionless(),1.5e-12*dimensionless());
+/// electron-muon magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_mu,quantity<dimensionless>,206.7669877*dimensionless(),5.2e-6*dimensionless());
+/// electron-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_p,quantity<dimensionless>,-658.2106848*dimensionless(),5.4e-6*dimensionless());
+/// electron-shielded proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_p_prime,quantity<dimensionless>,-658.2275971*dimensionless(),7.2e-6*dimensionless());
+/// electron-neutron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_n,quantity<dimensionless>,960.92050*dimensionless(),2.3e-4*dimensionless());
+/// electron-deuteron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_d,quantity<dimensionless>,-2143.923498*dimensionless(),1.8e-5*dimensionless());
+/// electron-shielded helion magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_e_over_mu_h_prime,quantity<dimensionless>,864.058257*dimensionless(),1.0e-5*dimensionless());
+/// electron gyromagnetic ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(gamma_e,quantity<frequency_over_magnetic_flux_density>,1.760859770e11/second/tesla,4.4e3/second/tesla);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_ELECTRON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/helion_constants.hpp b/boost/units/systems/si/codata/helion_constants.hpp
new file mode 100644
index 0000000000..56665f3d08
--- /dev/null
+++ b/boost/units/systems/si/codata/helion_constants.hpp
@@ -0,0 +1,77 @@
+// 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_HELION_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_HELION_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// helion mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_h,quantity<mass>,5.00641192e-27*kilograms,2.5e-34*kilograms);
+/// helion-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_h_over_m_e,quantity<dimensionless>,5495.8852765*dimensionless(),5.2e-6*dimensionless());
+/// helion-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_h_over_m_p,quantity<dimensionless>,2.9931526713*dimensionless(),2.6e-9*dimensionless());
+/// helion molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_h,quantity<mass_over_amount>,3.0149322473e-3*kilograms/mole,2.6e-12*kilograms/mole);
+/// helion shielded magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime,quantity<energy_over_magnetic_flux_density>,-1.074552982e-26*joules/tesla,3.0e-34*joules/tesla);
+/// shielded helion-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_B,quantity<dimensionless>,-1.158671471e-3*dimensionless(),1.4e-11*dimensionless());
+/// shielded helion-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_N,quantity<dimensionless>,-2.127497718*dimensionless(),2.5e-8*dimensionless());
+/// shielded helion-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_p,quantity<dimensionless>,-0.761766558*dimensionless(),1.1e-8*dimensionless());
+/// shielded helion-shielded proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_p_prime,quantity<dimensionless>,-0.7617861313*dimensionless(),3.3e-8*dimensionless());
+/// shielded helion gyromagnetic ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(gamma_h_prime,quantity<frequency_over_magnetic_flux_density>,2.037894730e8/second/tesla,5.6e-0/second/tesla);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_HELION_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/muon_constants.hpp b/boost/units/systems/si/codata/muon_constants.hpp
new file mode 100644
index 0000000000..12afdf162d
--- /dev/null
+++ b/boost/units/systems/si/codata/muon_constants.hpp
@@ -0,0 +1,83 @@
+// 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_MUON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_MUON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// muon mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_mu,quantity<mass>,1.88353130e-28*kilograms,1.1e-35*kilograms);
+/// muon-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_mu_over_m_e,quantity<dimensionless>,206.7682823*dimensionless(),5.2e-6*dimensionless());
+/// muon-tau mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_mu_over_m_tau,quantity<dimensionless>,5.94592e-2*dimensionless(),9.7e-6*dimensionless());
+/// muon-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_mu_over_m_p,quantity<dimensionless>,0.1126095261*dimensionless(),2.9e-9*dimensionless());
+/// muon-neutron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_mu_over_m_n,quantity<dimensionless>,0.1124545167*dimensionless(),2.9e-9*dimensionless());
+/// muon molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_mu,quantity<mass_over_amount>,0.1134289256e-3*kilograms/mole,2.9e-12*kilograms/mole);
+/// muon Compton wavelength
+BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_mu,quantity<length>,11.73444104e-15*meters,3.0e-22*meters);
+/// muon magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_mu,quantity<energy_over_magnetic_flux_density>,-4.49044786e-26*joules/tesla,1.6e-33*joules/tesla);
+/// muon-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_mu_over_mu_B,quantity<dimensionless>,-4.84197049e-3*dimensionless(),1.2e-10*dimensionless());
+/// muon-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_mu_over_mu_N,quantity<dimensionless>,-8.89059705*dimensionless(),2.3e-7*dimensionless());
+/// muon magnetic moment anomaly
+BOOST_UNITS_PHYSICAL_CONSTANT(a_mu,quantity<dimensionless>,1.16592069e-3*dimensionless(),6.0e-10*dimensionless());
+/// muon g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_mu,quantity<dimensionless>,-2.0023318414*dimensionless(),1.2e-9*dimensionless());
+/// muon-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_mu_over_mu_p,quantity<dimensionless>,-3.183345137*dimensionless(),8.5e-8*dimensionless());
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_MUON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/neutron_constants.hpp b/boost/units/systems/si/codata/neutron_constants.hpp
new file mode 100644
index 0000000000..44d89bc089
--- /dev/null
+++ b/boost/units/systems/si/codata/neutron_constants.hpp
@@ -0,0 +1,83 @@
+// 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_NEUTRON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// neutron mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_n,quantity<mass>,1.674927211e-27*kilograms,8.4e-35*kilograms);
+/// neutron-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_e,quantity<dimensionless>,1838.6836605*dimensionless(),1.1e-6*dimensionless());
+/// neutron-muon mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_mu,quantity<dimensionless>,8.89248409*dimensionless(),2.3e-7*dimensionless());
+/// neutron-tau mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_tau,quantity<dimensionless>,0.528740*dimensionless(),8.6e-5*dimensionless());
+/// neutron-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_p,quantity<dimensionless>,1.00137841918*dimensionless(),4.6e-10*dimensionless());
+/// neutron molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_n,quantity<mass_over_amount>,1.00866491597e-3*kilograms/mole,4.3e-13*kilograms/mole);
+/// neutron Compton wavelength
+BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_n,quantity<length>,1.3195908951e-15*meters,2.0e-24*meters);
+/// neutron magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_n,quantity<energy_over_magnetic_flux_density>,-0.96623641e-26*joules/tesla,2.3e-33*joules/tesla);
+/// neutron g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_n,quantity<dimensionless>,-3.82608545*dimensionless(),9.0e-7*dimensionless());
+/// neutron-electron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_e,quantity<dimensionless>,1.04066882e-3*dimensionless(),2.5e-10*dimensionless());
+/// neutron-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p,quantity<dimensionless>,-0.68497934*dimensionless(),1.6e-7*dimensionless());
+/// neutron-shielded proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p_prime,quantity<dimensionless>,-0.68499694*dimensionless(),1.6e-7*dimensionless());
+/// neutron gyromagnetic ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(gamma_n,quantity<frequency_over_magnetic_flux_density>,1.83247185e8/second/tesla,4.3e1/second/tesla);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/physico-chemical_constants.hpp b/boost/units/systems/si/codata/physico-chemical_constants.hpp
new file mode 100644
index 0000000000..0cde3ac4df
--- /dev/null
+++ b/boost/units/systems/si/codata/physico-chemical_constants.hpp
@@ -0,0 +1,78 @@
+// 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_PHYSICO_CHEMICAL_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_PHYSICO_CHEMICAL_CONSTANTS_HPP
+
+#include <boost/units/pow.hpp>
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/power.hpp>
+#include <boost/units/systems/si/solid_angle.hpp>
+#include <boost/units/systems/si/temperature.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental physico-chemical constants
+/// CODATA 2006 values as of 2007/03/30
+
+namespace boost {
+
+namespace units {
+
+namespace si {
+
+namespace constants {
+
+namespace codata {
+
+// PHYSICO-CHEMICAL
+/// Avogadro constant
+BOOST_UNITS_PHYSICAL_CONSTANT(N_A,quantity<inverse_amount>,6.02214179e23/mole,3.0e16/mole);
+/// atomic mass constant
+BOOST_UNITS_PHYSICAL_CONSTANT(m_u,quantity<mass>,1.660538782e-27*kilograms,8.3e-35*kilograms);
+/// Faraday constant
+BOOST_UNITS_PHYSICAL_CONSTANT(F,quantity<electric_charge_over_amount>,96485.3399*coulombs/mole,2.4e-3*coulombs/mole);
+/// molar gas constant
+BOOST_UNITS_PHYSICAL_CONSTANT(R,quantity<energy_over_temperature_amount>,8.314472*joules/kelvin/mole,1.5e-5*joules/kelvin/mole);
+/// Boltzmann constant
+BOOST_UNITS_PHYSICAL_CONSTANT(k_B,quantity<energy_over_temperature>,1.3806504e-23*joules/kelvin,2.4e-29*joules/kelvin);
+/// Stefan-Boltzmann constant
+BOOST_UNITS_PHYSICAL_CONSTANT(sigma_SB,quantity<power_over_area_temperature_4>,5.670400e-8*watts/square_meter/pow<4>(kelvin),4.0e-13*watts/square_meter/pow<4>(kelvin));
+/// first radiation constant
+BOOST_UNITS_PHYSICAL_CONSTANT(c_1,quantity<power_area>,3.74177118e-16*watt*square_meters,1.9e-23*watt*square_meters);
+/// first radiation constant for spectral radiance
+BOOST_UNITS_PHYSICAL_CONSTANT(c_1L,quantity<power_area_over_solid_angle>,1.191042759e-16*watt*square_meters/steradian,5.9e-24*watt*square_meters/steradian);
+/// second radiation constant
+BOOST_UNITS_PHYSICAL_CONSTANT(c_2,quantity<length_temperature>,1.4387752e-2*meter*kelvin,2.5e-8*meter*kelvin);
+/// Wien displacement law constant : lambda_max T
+BOOST_UNITS_PHYSICAL_CONSTANT(b,quantity<length_temperature>,2.8977685e-3*meter*kelvin,5.1e-9*meter*kelvin);
+/// Wien displacement law constant : nu_max/T
+BOOST_UNITS_PHYSICAL_CONSTANT(b_prime,quantity<frequency_over_temperature>,5.878933e10*hertz/kelvin,1.0e15*hertz/kelvin);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_PHYSICO_CHEMICAL_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/proton_constants.hpp b/boost/units/systems/si/codata/proton_constants.hpp
new file mode 100644
index 0000000000..14c1ee06f3
--- /dev/null
+++ b/boost/units/systems/si/codata/proton_constants.hpp
@@ -0,0 +1,97 @@
+// 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_PROTON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_PROTON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// proton mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_p,quantity<mass>,1.672621637e-27*kilograms,8.3e-35*kilograms);
+/// proton-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_p_over_m_e,quantity<dimensionless>,1836.15267247*dimensionless(),8.0e-7*dimensionless());
+/// proton-muon mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_p_over_m_mu,quantity<dimensionless>,8.88024339*dimensionless(),2.3e-7*dimensionless());
+/// proton-tau mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_p_over_m_tau,quantity<dimensionless>,0.528012*dimensionless(),8.6e-5*dimensionless());
+/// proton-neutron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_p_over_m_n,quantity<dimensionless>,0.99862347824*dimensionless(),4.6e-10*dimensionless());
+/// proton charge to mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(e_over_m_p,quantity<electric_charge_over_mass>,9.57883392e7*coulombs/kilogram,2.4e0*coulombs/kilogram);
+/// proton molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_p,quantity<mass_over_amount>,1.00727646677e-3*kilograms/mole,1.0e-13*kilograms/mole);
+/// proton Compton wavelength
+BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_p,quantity<length>,1.3214098446e-15*meters,1.9e-24*meters);
+/// proton rms charge radius
+BOOST_UNITS_PHYSICAL_CONSTANT(R_p,quantity<length>,0.8768e-15*meters,6.9e-18*meters);
+/// proton magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p,quantity<energy_over_magnetic_flux_density>,1.410606662e-26*joules/tesla,3.7e-34*joules/tesla);
+/// proton-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_over_mu_B,quantity<dimensionless>,1.521032209e-3*dimensionless(),1.2e-11*dimensionless());
+/// proton-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_over_mu_N,quantity<dimensionless>,2.792847356*dimensionless(),2.3e-8*dimensionless());
+/// proton g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_p,quantity<dimensionless>,5.585694713*dimensionless(),4.6e-8*dimensionless());
+/// proton-neutron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_over_mu_n,quantity<dimensionless>,-1.45989806*dimensionless(),3.4e-7*dimensionless());
+/// shielded proton magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_prime,quantity<energy_over_magnetic_flux_density>,1.410570419e-26*joules/tesla,3.8e-34*joules/tesla);
+/// shielded proton-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_prime_over_mu_B,quantity<dimensionless>,1.520993128e-3*dimensionless(),1.7e-11*dimensionless());
+/// shielded proton-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_p_prime_over_mu_N,quantity<dimensionless>,2.792775598*dimensionless(),3.0e-8*dimensionless());
+/// proton magnetic shielding correction
+BOOST_UNITS_PHYSICAL_CONSTANT(sigma_p_prime,quantity<dimensionless>,25.694e-6*dimensionless(),1.4e-8*dimensionless());
+/// proton gyromagnetic ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(gamma_p,quantity<frequency_over_magnetic_flux_density>,2.675222099e8/second/tesla,7.0e0/second/tesla);
+/// shielded proton gyromagnetic ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(gamma_p_prime,quantity<frequency_over_magnetic_flux_density>,2.675153362e8/second/tesla,7.3e0/second/tesla);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_PROTON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/tau_constants.hpp b/boost/units/systems/si/codata/tau_constants.hpp
new file mode 100644
index 0000000000..653019e04a
--- /dev/null
+++ b/boost/units/systems/si/codata/tau_constants.hpp
@@ -0,0 +1,71 @@
+// 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_TAU_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_TAU_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// tau mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_tau,quantity<mass>,3.16777e-27*kilograms,5.2e-31*kilograms);
+/// tau-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_e,quantity<dimensionless>,3477.48*dimensionless(),5.7e-1*dimensionless());
+/// tau-muon mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_mu,quantity<dimensionless>,16.8183*dimensionless(),2.7e-3*dimensionless());
+/// tau-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_p,quantity<dimensionless>,1.89390*dimensionless(),3.1e-4*dimensionless());
+/// tau-neutron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_n,quantity<dimensionless>,1.89129*dimensionless(),3.1e-4*dimensionless());
+/// tau molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_tau,quantity<mass_over_amount>,1.90768e-3*kilograms/mole,3.1e-7*kilograms/mole);
+/// tau Compton wavelength
+BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_tau,quantity<length>,0.69772e-15*meters,1.1e-19*meters);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_TAU_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/triton_constants.hpp b/boost/units/systems/si/codata/triton_constants.hpp
new file mode 100644
index 0000000000..24448abda7
--- /dev/null
+++ b/boost/units/systems/si/codata/triton_constants.hpp
@@ -0,0 +1,79 @@
+// 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_TRITON_CONSTANTS_HPP
+#define BOOST_UNITS_CODATA_TRITON_CONSTANTS_HPP
+
+#include <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/wavenumber.hpp>
+
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \file
+/// CODATA recommended values of fundamental atomic and nuclear constants
+/// 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
+
+/// triton mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_t,quantity<mass>,5.00735588e-27*kilograms,2.5e-34*kilograms);
+/// triton-electron mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_t_over_m_e,quantity<dimensionless>,5496.9215269*dimensionless(),5.1e-6*dimensionless());
+/// triton-proton mass ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(m_t_over_m_p,quantity<dimensionless>,2.9937170309*dimensionless(),2.5e-9*dimensionless());
+/// triton molar mass
+BOOST_UNITS_PHYSICAL_CONSTANT(M_t,quantity<mass_over_amount>,3.0155007134e-3*kilograms/mole,2.5e-12*kilograms/mole);
+/// triton magnetic moment
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t,quantity<energy_over_magnetic_flux_density>,1.504609361e-26*joules/tesla,4.2e-34*joules/tesla);
+/// triton-Bohr magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t_over_mu_B,quantity<dimensionless>,1.622393657e-3*dimensionless(),2.1e-11*dimensionless());
+/// triton-nuclear magneton ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t_over_mu_N,quantity<dimensionless>,2.978962448*dimensionless(),3.8e-8*dimensionless());
+/// triton g-factor
+BOOST_UNITS_PHYSICAL_CONSTANT(g_t,quantity<dimensionless>,5.957924896*dimensionless(),7.6e-8*dimensionless());
+/// triton-electron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t_over_mu_e,quantity<dimensionless>,-1.620514423e-3*dimensionless(),2.1e-11*dimensionless());
+/// triton-proton magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t_over_mu_p,quantity<dimensionless>,1.066639908*dimensionless(),1.0e-8*dimensionless());
+/// triton-neutron magnetic moment ratio
+BOOST_UNITS_PHYSICAL_CONSTANT(mu_t_over_mu_n,quantity<dimensionless>,-1.55718553*dimensionless(),3.7e-7*dimensionless());
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_TRITON_CONSTANTS_HPP
diff --git a/boost/units/systems/si/codata/typedefs.hpp b/boost/units/systems/si/codata/typedefs.hpp
new file mode 100644
index 0000000000..27330ce061
--- /dev/null
+++ b/boost/units/systems/si/codata/typedefs.hpp
@@ -0,0 +1,79 @@
+// 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_TYPEDEFS_HPP
+#define BOOST_UNITS_CODATA_TYPEDEFS_HPP
+
+#include <boost/units/operators.hpp>
+#include <boost/units/systems/si/amount.hpp>
+#include <boost/units/systems/si/area.hpp>
+#include <boost/units/systems/si/capacitance.hpp>
+#include <boost/units/systems/si/electric_charge.hpp>
+#include <boost/units/systems/si/current.hpp>
+#include <boost/units/systems/si/electric_potential.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/force.hpp>
+#include <boost/units/systems/si/frequency.hpp>
+#include <boost/units/systems/si/magnetic_flux_density.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/power.hpp>
+#include <boost/units/systems/si/solid_angle.hpp>
+#include <boost/units/systems/si/temperature.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/volume.hpp>
+
+namespace boost {
+
+namespace units {
+
+namespace si {
+
+namespace constants {
+
+namespace codata {
+
+typedef divide_typeof_helper<frequency,electric_potential>::type frequency_over_electric_potential;
+typedef divide_typeof_helper<electric_charge,mass>::type electric_charge_over_mass;
+typedef divide_typeof_helper<mass,amount>::type mass_over_amount;
+typedef divide_typeof_helper<energy,magnetic_flux_density>::type energy_over_magnetic_flux_density;
+typedef divide_typeof_helper<frequency,magnetic_flux_density>::type frequency_over_magnetic_flux_density;
+typedef divide_typeof_helper<current,energy>::type current_over_energy;
+typedef divide_typeof_helper<dimensionless,amount>::type inverse_amount;
+typedef divide_typeof_helper<energy,temperature>::type energy_over_temperature;
+typedef divide_typeof_helper<energy_over_temperature,amount>::type energy_over_temperature_amount;
+typedef divide_typeof_helper<
+ divide_typeof_helper<power,area>::type,
+ power_typeof_helper<temperature,static_rational<4> >::type
+ >::type power_over_area_temperature_4;
+typedef multiply_typeof_helper<power,area>::type power_area;
+typedef divide_typeof_helper<power_area,solid_angle>::type power_area_over_solid_angle;
+typedef multiply_typeof_helper<length,temperature>::type length_temperature;
+typedef divide_typeof_helper<frequency,temperature>::type frequency_over_temperature;
+typedef divide_typeof_helper<divide_typeof_helper<force,current>::type,current>::type force_over_current_squared;
+typedef divide_typeof_helper<capacitance,length>::type capacitance_over_length;
+typedef divide_typeof_helper<
+ divide_typeof_helper<divide_typeof_helper<volume,mass>::type,time>::type,
+ time
+ >::type volume_over_mass_time_squared;
+typedef multiply_typeof_helper<energy,time>::type energy_time;
+typedef divide_typeof_helper<electric_charge,amount>::type electric_charge_over_amount;
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif
diff --git a/boost/units/systems/si/codata/universal_constants.hpp b/boost/units/systems/si/codata/universal_constants.hpp
new file mode 100644
index 0000000000..21f076b741
--- /dev/null
+++ b/boost/units/systems/si/codata/universal_constants.hpp
@@ -0,0 +1,80 @@
+// 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 <boost/units/static_constant.hpp>
+
+#include <boost/units/systems/detail/constants.hpp>
+#include <boost/units/systems/si/capacitance.hpp>
+#include <boost/units/systems/si/current.hpp>
+#include <boost/units/systems/si/energy.hpp>
+#include <boost/units/systems/si/force.hpp>
+#include <boost/units/systems/si/length.hpp>
+#include <boost/units/systems/si/mass.hpp>
+#include <boost/units/systems/si/resistance.hpp>
+#include <boost/units/systems/si/temperature.hpp>
+#include <boost/units/systems/si/time.hpp>
+#include <boost/units/systems/si/velocity.hpp>
+#include <boost/units/systems/si/volume.hpp>
+#include <boost/units/systems/si/codata/typedefs.hpp>
+
+/// \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<velocity>,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<force_over_current_squared>,12.56637061435917295385057353311801153679e-7*newtons/ampere/ampere,0.0*newtons/ampere/ampere);
+/// electric constant
+BOOST_UNITS_PHYSICAL_CONSTANT(epsilon_0,quantity<capacitance_over_length>,8.854187817620389850536563031710750260608e-12*farad/meter,0.0*farad/meter);
+/// characteristic impedance of vacuum
+BOOST_UNITS_PHYSICAL_CONSTANT(Z_0,quantity<resistance>,376.7303134617706554681984004203193082686*ohm,0.0*ohm);
+/// Newtonian constant of gravitation
+BOOST_UNITS_PHYSICAL_CONSTANT(G,quantity<volume_over_mass_time_squared>,6.67428e-11*cubic_meters/kilogram/second/second,6.7e-15*cubic_meters/kilogram/second/second);
+/// Planck constant
+BOOST_UNITS_PHYSICAL_CONSTANT(h,quantity<energy_time>,6.62606896e-34*joule*seconds,3.3e-41*joule*seconds);
+/// Dirac constant
+BOOST_UNITS_PHYSICAL_CONSTANT(hbar,quantity<energy_time>,1.054571628e-34*joule*seconds,5.3e-42*joule*seconds);
+/// Planck mass
+BOOST_UNITS_PHYSICAL_CONSTANT(m_P,quantity<mass>,2.17644e-8*kilograms,1.1e-12*kilograms);
+/// Planck temperature
+BOOST_UNITS_PHYSICAL_CONSTANT(T_P,quantity<temperature>,1.416785e32*kelvin,7.1e27*kelvin);
+/// Planck length
+BOOST_UNITS_PHYSICAL_CONSTANT(l_P,quantity<length>,1.616252e-35*meters,8.1e-40*meters);
+/// Planck time
+BOOST_UNITS_PHYSICAL_CONSTANT(t_P,quantity<time>,5.39124e-44*seconds,2.7e-48*seconds);
+
+} // namespace codata
+
+} // namespace constants
+
+} // namespace si
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_CODATA_UNIVERSAL_CONSTANTS_HPP