26 #ifndef O2SCL_CONSTANTS_H 27 #define O2SCL_CONSTANTS_H 37 const double yotta=1e24;
38 const double zetta=1e21;
39 const double exa=1e18;
40 const double peta=1e15;
41 const double tera=1e12;
42 const double giga=1e9;
43 const double mega=1e6;
44 const double kilo=1e3;
45 const double milli=1e-3;
46 const double micro=1e-6;
47 const double nano=1e-9;
48 const double pico=1e-12;
49 const double femto=1e-15;
50 const double atto=1e-18;
51 const double zepto=1e-21;
52 const double yocto=1e-24;
62 const double pi=acos(-1.0);
66 const double zeta32=2.6123753486854883433;
68 const double zeta2=1.6449340668482264365;
70 const double zeta52=1.3414872572509171798;
72 const double zeta3=1.2020569031595942854;
74 const double zeta5=1.0369277551433699263;
76 const double zeta7=1.0083492773819228268;
165 const double point=3.52777777778e-2;
175 const double acre=4.04685642241e7;
185 const double pint=4.73176473002e2;
187 const double cup=2.36588236501e2;
203 const double knot=5.14444444444e1;
209 const double ton=9.0718474e5;
231 const double btu=1.05505585262e10;
241 const double torr=1.33322368421e3;
249 const double psi=6.89475729317e4;
376 const double point=3.52777777778e-2;
386 const double acre=4.04685642241e7;
396 const double pint=4.73176473002e2;
398 const double cup=2.36588236501e2;
414 const double knot=5.14444444444e1;
420 const double ton=9.0718474e5;
442 const double btu=1.05505585262e10;
452 const double torr=1.33322368421e3;
460 const double psi=6.89475729317e4;
603 const double point=3.52777777778e-4;
613 const double acre=4.04685642241e3;
621 const double quart=9.46352946004e-4;
623 const double pint=4.73176473002e-4;
625 const double cup=2.36588236501e-4;
641 const double knot=5.14444444444e-1;
647 const double ton=9.0718474e2;
669 const double btu=1.05505585262e3;
679 const double torr=1.33322368421e2;
687 const double psi=6.89475729317e3;
832 const double point=3.52777777778e-4;
842 const double acre=4.04685642241e3;
850 const double quart=9.46352946004e-4;
852 const double pint=4.73176473002e-4;
854 const double cup=2.36588236501e-4;
870 const double knot=5.14444444444e-1;
876 const double ton=9.0718474e2;
898 const double btu=1.05505585262e3;
908 const double torr=1.33322368421e2;
916 const double psi=6.89475729317e3;
const double fluid_ounce
m^3
const double kilopound_force
kg m / s^2
const double miles_per_hour
m / s
const double dyne
kg m / s^2
const double inch_of_water
kg / m s^2
const double poundal
kg m / s^2
const double us_gallon
m^3
const double plancks_constant_h
Planck constant in kg m^2 / s (CODATA 2010 value)
const double standard_gas_volume
m^3 / mol
const double tablespoon
m^3
const double hc_mev_cm
in MeV cm (derived)
const double calorie
kg m^2 / s^2
const double electron_magnetic_moment
A m^2.
const double footcandle
cd sr / m^2
const double astronomical_unit
Astronomical unit in m (IAU 2009 value; now exact)
const double mass_neutron
Neutron mass in kg (CODATA 2010 value)
const double electron_volt
Electron volt in kg m^2 / s^2 (CODATA 2010 value)
const double mass_muon
Muon mass in kg (CODATA 2010 value)
const double e2_hlorentz
Electron charge sqaured in Heaviside-Lorentz units where (derived)
const double mass_proton
Proton mass in kg (CODATA 2010 value)
const double footlambert
cd sr / m^2
const double plancks_constant_hbar
Planck constant divided by 2 pi in kg m^2 / s (CODATA 2010 value)
const double pound_force
kg m / s^2
const double plancks_constant_h
Planck constant in g cm^2 / s (CODATA 2010 value)
const double plancks_constant_hbar
Planck constant divided by 2 pi in kg m^2 / s (CODATA 2010 value)
const double mass_triton
Triton mass in kg (CODATA 2010 value)
const double solar_mass
kg
const double psi
kg / m s^2
const double ounce_mass
kg
const double hc_mev_fm
in MeV fm (derived)
const double mass_electron
Electron mass in kg (CODATA 2010 value)
const double joule
kg m^2 / s^2
const double proton_magnetic_moment
A m^2.
const double nuclear_magneton
A m^2.
const double rad
m^2 / s^2
const double e2_mksa
Electron charge squared in SI(MKSA) units (derived)
const double newton
kg m / s^2
const double std_atmosphere
kg / m s^2
const double mass_sigma_plus_MeV
hyperon mass in
const double plancks_constant_h
Planck constant in g cm^2 / s (CODATA 2010 value)
const double electron_volt
Electron volt in kg m^2 / s^2 (CODATA 2010 value)
const double meter_of_mercury
kg / m s^2
const double e2_gaussian
Electron charge squared in Gaussian units (derived)
const double gram_force
kg m / s^2
const double plancks_constant_h
Planck constant in kg m^2 / s (CODATA 2010 value)
const double fine_structure
Fine structure constant (CODATA 2010 value)
const double mass_sigma_minus_MeV
hyperon mass in
const double faraday
A s / mol.
const double roentgen
A s / kg.
const double lux
cd sr / m^2
const double stefan_boltzmann_constant
kg / K^4 s^3
const double helgc_tcb
Heliocentric gravitational constant in m^3 / s^2 (from Luzum11)
const double nautical_mile
m
const double kilometers_per_hour
m / s
const double horsepower
kg m^2 / s^3
const double stokes
m^2 / s
const double btu
kg m^2 / s^2
const double mass_helion
Helion mass in kg (CODATA 2010 value)
const double stilb
cd / m^2
const double inch_of_mercury
kg / m s^2
const double thomson_cross_section
m^2
const double sin2_theta_weak
(PDG 2014 value)
const double Gfermi
Fermi coupling constant in s^4 / cm^4 g^2, defined as (CODATA 2010 value)
const double mass_sigma_zero_MeV
hyperon mass in
const double unified_atomic_mass
Atomic mass constant in kg (CODATA 2010 value)
const double mass_deuteron
Deuteron mass in kg (CODATA 2010 value)
const double electron_charge
A s.
const double vacuum_permeability
kg m / A^2 s^2
const double bohr_radius
m
const double rydberg
Rydberg constant in kg m^2 / s^2 (CODATA 2010 value)
const double canadian_gallon
m^3
const double metric_ton
kg
const double bar
kg / m s^2
const double torr
kg / m s^2
const double phot
cd sr / m^2
const double speed_of_light
m / s
const double poise
kg m^-1 s^-1
const double boltzmann
Boltzmann constant in kg m^2 / K s^2 (CODATA 2010 value)
const double gravitational_constant
Newtonian constant of gravitation in m^3 / kg s^2 (CODATA 2010 value)
const double erg
kg m^2 / s^2
const double lambert
cd sr / m^2
const double electron_charge
A s.
const double bohr_magneton
Bohr magneton in A m^2 (CODATA 2010 value)
const double avogadro
Avogadro's number (CODATA 2010 value)
const double troy_ounce
kg
const double molar_gas
kg m^2 / K mol s^2
const double gauss2_fm4
Conversion factor from to in Gaussian units.
const double mass_alpha
Alpha particle mass in kg (CODATA 2010 value)
const double grav_accel
m / s^2
const double ec_gauss_fm2
1 times the electron charge in Gaussian units in
const double vacuum_permittivity
A^2 s^4 / kg m^3.
const double helgc_tdb
Heliocentric gravitational constant in m^3 / s^2 (from Luzum11)
const double gauss
kg / A s^2
const double pound_mass
kg
const double uk_gallon
m^3
const double mass_lambda_MeV
hyperon mass in
const double therm
kg m^2 / s^2
const double schwarzchild_radius
m
const double speed_of_light
m / s