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26 #ifndef O2SCL_CONSTANTS_H
27 #define O2SCL_CONSTANTS_H
31 #include <boost/math/constants/constants.hpp>
40 const double yotta=1e24;
41 const double zetta=1e21;
42 const double exa=1e18;
43 const double peta=1e15;
44 const double tera=1e12;
45 const double giga=1e9;
46 const double mega=1e6;
47 const double kilo=1e3;
48 const double milli=1e-3;
49 const double micro=1e-6;
50 const double nano=1e-9;
51 const double pico=1e-12;
52 const double femto=1e-15;
53 const double atto=1e-18;
54 const double zepto=1e-21;
55 const double yocto=1e-24;
65 const double pi=boost::math::constants::pi<double>();
67 const double pi2=boost::math::constants::pi_sqr<double>();
69 const double zeta32=2.6123753486854883433;
71 const double zeta2=boost::math::constants::zeta_two<double>();
73 const double zeta52=1.3414872572509171798;
75 const double zeta3=boost::math::constants::zeta_three<double>();
77 const double zeta5=1.0369277551433699263;
79 const double zeta7=1.0083492773819228268;
94 fp_t result=(numer/denom)*1.0e-27;
97 fp_t result=(numer/denom)*1.0e-34;
103 return planck_f<fp_t>(system)/2/
104 boost::math::constants::pi<fp_t>();
110 fp_t result=29979245800;
113 fp_t result=299792458;
119 fp_t numer=1602176634;
120 fp_t denom=1000000000;
121 fp_t result=(numer/denom)*1.0e-19;
129 fp_t hbarc=hbar_f<fp_t>()*speed_of_light_f<fp_t>()/
130 elem_charge_f<fp_t>()*1.0e9;
288 const double acre=4.04685642241e7;
298 const double pint=4.73176473002e2;
300 const double cup=2.36588236501e2;
322 const double ton=9.0718474e5;
342 const double btu=1.05505585262e10;
352 const double torr=1.33322368421e3;
360 const double psi=6.89475729317e4;
const double hc_mev_cm
in MeV cm (exact)
const double parsec
Parsec in m.
const double inch_of_mercury
g / cm s^2
const double psi
g / cm s^2
const double boltzmann
Boltzmann constant in g cm^2 / K s^2 (CODATA 2018; exact)
const double plancks_constant_h
Planck constant in g cm^2 / s (CODATA 2018 value; exact)
const double rad
cm^2 / s^2
const double horsepower
g cm^2 / s^3
const double roentgen
Roentgen abamp s / g.
const double electron_volt
Electron volt in kg m^2 / s^2.
const double light_year
Light year in .
const double footcandle
cd sr / cm^2
const double kilometers_per_hour
m / s
const double grav_accel
Acceleration due to gravity in m / s^2.
const double gauss2_fm4
Conversion factor from to in Gaussian units.
const double therm
g cm^2 / s^2
const double erg
kg m^2 / s^2
const double tablespoon
m^3
const double mass_sigma_plus_MeV
hyperon mass in
const double joule
g cm^2 / s^2
const double rydberg
Rydberg constant in g cm^2 / s^2 (CODATA 2018 value)
const double light_year
Light year in (derived)
const double teaspoon
cm^3
const double proton_magnetic_moment
A m^2.
const double pound_mass
kg
const double uk_gallon
m^3
const double mass_muon
Muon mass in g (CODATA 2018 value)
const double mass_neutron
Neutron mass in g.
const double stilb
cd / cm^2
const double mass_up_MeV
Up quark mass in .
const double unified_atomic_mass
Atomic mass constant in g.
const double canadian_gallon
cm^3
const double nautical_mile
cm
const double stilb
cd / m^2
const double solar_mass
Solar mass in g.
const double newton
kg m / s^2
const double mass_tau
Muon mass in g.
const double plancks_constant_h
Planck constant in g cm^2 / s.
fp_t hbar_f(size_t system=o2scl_mks)
Reduced Planck constant.
const double mass_proton
Proton mass in g (CODATA 2018 value)
const double avogadro
Avogadro's number (CODATA 2018 value; exact)
const double poise
g / cm s
const double astronomical_unit
Astronomical unit in m.
const double joule
g cm^2 / s^2
const double standard_gas_volume
m^3 / mol
const double pound_force
cm g / s^2
const double tablespoon
cm^3
const double e2_gaussian
Electron charge squared in Gaussian units (derived)
const double uk_gallon
cm^3
fp_t planck_f(size_t system=o2scl_mks)
Planck constant.
const double therm
kg m^2 / s^2
const double mass_muon
Muon mass in g.
const double gram_force
kg m / s^2
const double pound_force
cm g / s^2
const double ounce_mass
kg
const double mass_helion
Helion mass in kg (CODATA 2014 value)
const double molar_gas
Molar gas constant, "R", in g cm^2 / K mol s^2 (CODATA 2018; exact; derived)
const double mass_alpha
Alpha particle mass in kg (CODATA 2014 value)
const double astronomical_unit
Astronomical unit in cm.
const double bohr_magneton
Bohr magneton in abamp cm^2 (CODATA 2014 value)
const double miles_per_hour
m / s
const double electron_magnetic_moment
A m^2.
const double mass_electron
Electron mass in kg.
const double gauss
kg / A s^2
const double unified_atomic_mass
Atomic mass constant in kg.
const double fluid_ounce
m^3
const double footcandle
cd sr / cm^2
const double mass_down_MeV
Down quark mass in .
const double newton
cm g / s^2
const double fluid_ounce
cm^3
const double std_atmosphere
kg / m s^2
const double sidereal_year
Sidereal year in s.
const double rydberg
Rydberg constant in kg m^2 / s^2.
const double mass_electron
Electron mass in g (CODATA 2018 value)
const double us_gallon
cm^3
const double btu
kg m^2 / s^2
const double thomson_cross_section
Thomson cross section in m^2.
const double standard_gas_volume
Molar volume of ideal gas at standard T and P in cm^3 / mol.
const double horsepower
g cm^2 / s^3
const double dyne
cm g / s^2
const double tropical_year
Tropical year in s.
const double julian_year
Julian year in s.
const double phot
cd sr / cm^2
const double nuclear_magneton
Nuclear magneton in abamp cm^2 (CODATA 2014 value)
const double boltzmann
Boltzmann constant in g cm^2 / K s^2.
const double bohr_magneton
Bohr magneton in A m^2.
const double mass_helion
Helion mass in kg.
const double boltzmann
Boltzmann constant in kg m^2 / K s^2.
const double lux
cd sr / m^2
const double solar_mass_parameter
Solar mass times gravitational constant in m^3 / s^2.
const double gram_force
cm g / s^2
const double stokes
cm^2 / s
const double schwarzchild_radius
Schwarzchild radius in m.
const double btu
g cm^2 / s^2
const double Gfermi
Fermi coupling constant in s^4 / cm^4 g^2, defined as (CODATA 2018 value)
const double sidereal_year
Sidereal year in s.
fp_t speed_of_light_f(size_t system=o2scl_mks)
Speed of light.
const double uk_gallon
cm^3
const double e2_hlorentz
Electron charge sqaured in Heaviside-Lorentz units where (derived)
const double electron_magnetic_moment
Electron magnetic moment in abamp cm^2 (CODATA 2014 value)
const double lux
cd sr / cm^2
const double light_year
Light year in .
const double meter_of_mercury
g / cm s^2
const double torr
g / cm s^2
const double troy_ounce
kg
const double electron_charge
A s (derived)
const double molar_gas
kg m^2 / K mol s^2
const double inch_of_water
kg / m s^2
const double inch_of_water
g / cm s^2
const double mass_muon
Muon mass in kg.
const double fine_structure
Fine structure constant (CODATA 2018 value)
const double miles_per_hour
cm / s
const double electron_volt
Electron volt in g cm^2 / s^2.
const double unified_atomic_mass
Atomic mass constant in g (CODATA 2018 value)
const double erg
g cm^2 / s^2
const double plancks_constant_hbar
Planck constant divided by 2 pi in kg m^2 / s.
const double lambert
cd sr / cm^2
const double bar
g / cm s^2
const double bohr_radius
Bohr radius in cm (CODATA 2018 value)
const double mass_neutron
Neutron mass in g (CODATA 2018 value)
const double mass_tau
Muon mass in g (CODATA 2018 value)
const double solar_mass_parameter
Solar mass times gravitational constant in cm^3 / s^2.
const double plancks_constant_hbar
Planck constant divided by 2 pi in g cm^2 / s.
const double poundal
cm g / s^2
const double faraday
A s / mol.
const double rydberg
Rydberg constant in g cm^2 / s^2.
const double electron_volt
Electron volt in g cm^2 / s^2 (CODATA 2018; exact)
const double mass_strange_MeV
Strange quark mass in .
const double phot
cd sr / cm^2
const double gram_force
cm g / s^2
const double poundal
cm g / s^2
const double schwarzchild_radius
Schwarzchild radius in cm.
const double pound_force
kg m / s^2
const double julian_year
Julian year in s.
const double solar_mass
Mass of the sun in kg.
const double std_atmosphere
g / cm s^2
const double hc_mev_fm
in MeV fm (exact)
const double miles_per_hour
cm / s
const double stefan_boltzmann_constant
Stefan-Boltzmann constant in g / K^4 s^3.
const double teaspoon
cm^3
const double kilometers_per_hour
cm / s
const double bar
kg / m s^2
const double nuclear_magneton
A m^2.
const double calorie
kg m^2 / s^2
const double footlambert
cd sr / m^2
const double stokes
m^2 / s
const double inch_of_mercury
kg / m s^2
const double bohr_radius
Bohr radius in cm.
const double mass_sigma_minus_MeV
hyperon mass in
const double solar_mass_parameter
Solar mass times gravitational constant in cm^3 / s^2 (from navy.mil)
const double mass_neutron
Neutron mass in kg.
const double lambert
cd sr / cm^2
const double sin2_theta_weak
(PDG 2018 value)
const double mass_deuteron
Deuteron mass in kg.
const double kilopound_force
kg m / s^2
const double vacuum_permeability
Vacuum permeability in kg m / A^2 s^2 (being redefined as of 5/20, this value is from Wikipedia)
const double mass_cascade_minus_MeV
hyperon mass in
const double lambert
cd sr / m^2
const double gravitational_constant
Newtonian constant of gravitation in m^3 / kg s^2.
const double mass_triton
Triton mass in kg (CODATA 2014 value)
const double calorie
g cm^2 / s^2
const double mass_alpha
Alpha particle mass in kg.
const double canadian_gallon
cm^3
const double grav_accel
Acceleration due to gravity in cm / s^2.
const double vacuum_permittivity
A^2 s^4 / kg m^3 (derived)
const double rad
m^2 / s^2
const double electron_charge
Electron charge in abamp s (derived)
const double bohr_radius
Bohr radius in m.
const double std_atmosphere
g / cm s^2
const double schwarzchild_radius
Schwarzchild radius in cm (derived)
const double mass_proton
Proton mass in kg.
const double inch_of_mercury
g / cm s^2
fp_t elem_charge_f()
Elementary charge.
const double thomson_cross_section
Thomson cross section in cm^2 (CODATA 2018 value)
const double stokes
cm^2 / s
const double mass_deuteron
Deuteron mass in g.
const double roentgen
A s / kg.
const double dyne
cm g / s^2
const double kilopound_force
cm g / s^2
const double meter_of_mercury
kg / m s^2
const double nautical_mile
cm
const double poise
kg m^-1 s^-1
const double tropical_year
Tropical year in s.
const double parsec
Parsec in .
const double mass_sigma_zero_MeV
hyperon mass in
const double kilometers_per_hour
cm / s
const double stefan_boltzmann_constant
Stefan-Boltzmann constant in g / K^4 s^3 (CODATA 2018; derived; exact)
const double standard_gas_volume
Molar volume of ideal gas at standard T and P in cm^3 / mol (CODATA 2014 value)
const double speed_of_light
Speed of light in cm / s.
const double stilb
cd / cm^2
const double mass_helion
Helion mass in g.
const double mass_alpha
Alpha particle mass in g.
const double tablespoon
cm^3
const double nautical_mile
m
const double therm
g cm^2 / s^2
const double poise
g / cm s
const double us_gallon
cm^3
const double dyne
kg m / s^2
const double calorie
g cm^2 / s^2
const double grav_accel
Acccleration due to gravity in cm / s^2 (CODATA 2018; now exact)
const double mass_triton
Triton mass in g.
const double proton_magnetic_moment
Proton magnetic moment in abamp cm^2 (CODATA 2014 value)
const double phot
cd sr / m^2
const double plancks_constant_h
Planck constant in kg m^2 / s.
const double sidereal_year
Sidereal year in s.
const double fluid_ounce
cm^3
const double Gfermi
Fermi coupling constant in s^4 / m^4 kg^2.
const double Gfermi
Fermi coupling constant in s^4 / cm^4 g^2.
const double roentgen
A s / g.
const double newton
cm g / s^2
const double torr
kg / m s^2
const double psi
kg / m s^2
const double mass_electron
Electron mass in g.
const double btu
g cm^2 / s^2
const double metric_ton
kg
const double mass_deuteron
Deuteron mass in kg (CODATA 2018 value)
const double mass_lambda_MeV
hyperon mass in
const double footlambert
cd sr / cm^2
const double mass_cascade_zero_MeV
hyperon mass in
const double meter_of_mercury
g / cm s^2
const double footlambert
cd sr / cm^2
fp_t hc_mev_fm_f()
Reduced Planck constant times speed of light in .
const double tropical_year
Tropical year in s.
const double poundal
kg m / s^2
const double us_gallon
m^3
const double mass_proton
Proton mass in g.
const double gravitational_constant
Newtonian constant of gravitation in cm^3 / g s^2 (CODATA 2018 value)
const double mass_tau
Muon mass in kg.
const double solar_mass
Mass of the sun in g (from navy.mil)
const double speed_of_light
Speed of light in (exact)
const double gravitational_constant
Newtonian constant of gravitation in cm^3 / g s^2.
const double parsec
Parsec in (derived)
const double psi
g / cm s^2
const double astronomical_unit
Astronomical unit in cm (IAU 2009 value; now exact)
const double horsepower
kg m^2 / s^3
const double thomson_cross_section
Thomson cross section in cm^2.
const double kilopound_force
cm g / s^2
const double rad
cm^2 / s^2
const double inch_of_water
g / cm s^2
const double molar_gas
Molar gas constant, "R", in g cm^2 / K mol s^2.
const double canadian_gallon
m^3
const double footcandle
cd sr / m^2
const double erg
g cm^2 / s^2
const double lux
cd sr / cm^2
const double torr
g / cm s^2
const double stefan_boltzmann_constant
Stefan-Boltzmann constant in kg / K^4 s^3.
const double bar
g / cm s^2
const double mass_triton
Triton mass in kg.
const double julian_year
Julian year in s.
const double plancks_constant_hbar
Planck constant divided by 2 pi in g cm^2 / s (derived)
const double ec_gauss_fm2
1 times the electron charge in Gaussian units in
const double faraday
Faraday constant in abamp s / mol (CODATA 2018 value; derived; exact)
const double speed_of_light
Speed of light in m / s.
const double joule
kg m^2 / s^2
const double e2_mks
Electron charge squared in SI(MKS) units (derived)
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