units::constants Namespace Reference

Unit Containers
using	PI = unit< std::ratio< 1 >, dimensionless::scalar, std::ratio< 1 > >
static constexpr const unit_t< PI >	pi (1)
	Ratio of a circle's circumference to its diameter. More...
static constexpr const velocity::meters_per_second_t	c (299792458.0)
	Speed of light in vacuum. More...
static constexpr const unit_t< compound_unit< cubed< length::meters >, inverse< mass::kilogram >, inverse< squared< time::seconds > > > >	G (6.67408e-11)
	Newtonian constant of gravitation. More...
static constexpr const unit_t< compound_unit< energy::joule, time::seconds > >	h (6.626070040e-34)
	Planck constant. More...
static constexpr const unit_t< compound_unit< force::newtons, inverse< squared< current::ampere > > > >	mu0 (pi *4.0e-7 *force::newton_t(1)/units::math::cpow< 2 >(current::ampere_t(1)))
	vacuum permeability. More...
static constexpr const unit_t< compound_unit< capacitance::farad, inverse< length::meter > > >	epsilon0 (1.0/(mu0 *math::cpow< 2 >(c)))
	vacuum permitivity. More...
static constexpr const impedance::ohm_t	Z0 (mu0 *c)
	characteristic impedance of vacuum. More...
static constexpr const unit_t< compound_unit< force::newtons, area::square_meter, inverse< squared< charge::coulomb > > > >	k_e (1.0/(4 *pi *epsilon0))
	Coulomb's constant. More...
static constexpr const charge::coulomb_t	e (1.6021766208e-19)
	elementary charge. More...
static constexpr const mass::kilogram_t	m_e (9.10938356e-31)
	electron mass. More...
static constexpr const mass::kilogram_t	m_p (1.672621898e-27)
	proton mass. More...
static constexpr const unit_t< compound_unit< energy::joules, inverse< magnetic_field_strength::tesla > > >	mu_B (e *h/(4 *pi *m_e))
	Bohr magneton. More...
static constexpr const unit_t< inverse< substance::mol > >	N_A (6.022140857e23)
	Avagadro's Number. More...
static constexpr const unit_t< compound_unit< energy::joules, inverse< temperature::kelvin >, inverse< substance::moles > > >	R (8.3144598)
	Gas constant. More...
static constexpr const unit_t< compound_unit< energy::joules, inverse< temperature::kelvin > > >	k_B (R/N_A)
	Boltzmann constant. More...
static constexpr const unit_t< compound_unit< charge::coulomb, inverse< substance::mol > > >	F (N_A *e)
	Faraday constant. More...
static constexpr const unit_t< compound_unit< power::watts, inverse< area::square_meters >, inverse< squared< squared< temperature::kelvin > > > > >	sigma ((2 *math::cpow< 5 >(pi) *math::cpow< 4 >(R))/(15 *math::cpow< 3 >(h) *math::cpow< 2 >(c) *math::cpow< 4 >(N_A)))
	Stefan-Boltzmann constant. More...

Typedef Documentation

PI

using units::constants::PI = typedef unit<std::ratio<1>, dimensionless::scalar, std::ratio<1> >

Function Documentation

c()

static constexpr const velocity::meters_per_second_t units::constants::c ( 299792458.  0 )

staticconstexpr

Speed of light in vacuum.

e()

static constexpr const charge::coulomb_t units::constants::e ( 1.6021766208e-  19 )

staticconstexpr

elementary charge.

epsilon0()

static constexpr const unit_t< compound_unit< capacitance::farad, inverse< length::meter > > > units::constants::epsilon0 ( 1.0/  mu0 *math::cpow< 2 >(c) )

staticconstexpr

vacuum permitivity.

F()

static constexpr const unit_t< compound_unit< charge::coulomb, inverse< substance::mol > > > units::constants::F ( N_A *  e )

staticconstexpr

Faraday constant.

G()

static constexpr const unit_t< compound_unit< cubed< length::meters >, inverse< mass::kilogram >, inverse< squared< time::seconds > > > > units::constants::G ( 6.67408e-  11 )

staticconstexpr

Newtonian constant of gravitation.

h()

static constexpr const unit_t< compound_unit< energy::joule, time::seconds > > units::constants::h ( 6.626070040e-  34 )

staticconstexpr

Planck constant.

k_B()

static constexpr const unit_t< compound_unit< energy::joules, inverse< temperature::kelvin > > > units::constants::k_B ( R/  N_A )

staticconstexpr

Boltzmann constant.

k_e()

static constexpr const unit_t< compound_unit< force::newtons, area::square_meter, inverse< squared< charge::coulomb > > > > units::constants::k_e ( 1.0/  4 *pi *epsilon0 )

staticconstexpr

Coulomb's constant.

m_e()

static constexpr const mass::kilogram_t units::constants::m_e ( 9.10938356e-  31 )

staticconstexpr

electron mass.

m_p()

static constexpr const mass::kilogram_t units::constants::m_p ( 1.672621898e-  27 )

staticconstexpr

proton mass.

mu0()

static constexpr const unit_t< compound_unit< force::newtons, inverse< squared< current::ampere > > > > units::constants::mu0 ( pi *4.0e-7 *  force::newton_t1)/units::math::cpow< 2 >(current::ampere_t(1) )

staticconstexpr

vacuum permeability.

mu_B()

static constexpr const unit_t< compound_unit< energy::joules, inverse< magnetic_field_strength::tesla > > > units::constants::mu_B ( e *h/  4 *pi *m_e )

staticconstexpr

Bohr magneton.

N_A()

static constexpr const unit_t< inverse< substance::mol > > units::constants::N_A ( 6.  022140857e23 )

staticconstexpr

Avagadro's Number.

pi()

static constexpr const unit_t< PI > units::constants::pi ( 1  )

staticconstexpr

Ratio of a circle's circumference to its diameter.

R()

static constexpr const unit_t< compound_unit< energy::joules, inverse< temperature::kelvin >, inverse< substance::moles > > > units::constants::R ( 8.  3144598 )

staticconstexpr

Gas constant.

sigma()

static constexpr const unit_t< compound_unit< power::watts, inverse< area::square_meters >, inverse< squared< squared< temperature::kelvin > > > > > units::constants::sigma ( (2 *math::cpow< 5 >(pi) *math::cpow< 4 >(R))/(15 *math::cpow< 3 >(h) *math::cpow< 2 >(c) *math::cpow< 4 >(N_A))  )

staticconstexpr

Stefan-Boltzmann constant.

Z0()

static constexpr const impedance::ohm_t units::constants::Z0 ( mu0 *  c )

staticconstexpr

characteristic impedance of vacuum.