stdlib_constants Module
Constants (Specification)
Variables
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| real(kind=dp), | public, | parameter | :: | Avogadro | = | AVOGADRO_CONSTANT%value |
Avogadro constant |
| real(kind=dp), | public, | parameter | :: | Boltzmann | = | BOLTZMANN_CONSTANT%value |
Boltzmann constant |
| real(kind=dp), | public, | parameter | :: | G | = | NEWTONIAN_CONSTANT_OF_GRAVITATION%value |
Newtonian constant of gravitation |
| real(kind=dp), | public, | parameter | :: | N_A | = | AVOGADRO_CONSTANT%value |
Avogadro constant |
| real(kind=dp), | public, | parameter | :: | PI_dp | = | acos(-1.0_dp) |
PI |
| real(kind=sp), | public, | parameter | :: | PI_sp | = | acos(-1.0_sp) |
PI |
| real(kind=dp), | public, | parameter | :: | Planck | = | PLANCK_CONSTANT%value |
Planck constant |
| real(kind=dp), | public, | parameter | :: | R | = | MOLAR_GAS_CONSTANT%value |
Molar gas constant |
| real(kind=dp), | public, | parameter | :: | Rydberg | = | RYDBERG_CONSTANT%value |
Rydberg constant |
| real(kind=dp), | public, | parameter | :: | Stefan_Boltzmann | = | STEFAN_BOLTZMANN_CONSTANT%value |
Stefan-Boltzmann constant |
| real(kind=dp), | public, | parameter | :: | Wien | = | WIEN_WAVELENGTH_DISPLACEMENT_LAW_CONSTANT%value |
Wien wavelength displacement law constant |
| real(kind=dp), | public, | parameter | :: | alpha | = | FINE_STRUCTURE_CONSTANT%value |
Fine structure constant |
| real(kind=dp), | public, | parameter | :: | c | = | SPEED_OF_LIGHT_IN_VACUUM%value |
Speed of light in vacuum |
| real(kind=dp), | public, | parameter | :: | e | = | ELEMENTARY_CHARGE%value |
Elementary charge |
| real(kind=dp), | public, | parameter | :: | epsilon_0 | = | VACUUM_ELECTRIC_PERMITTIVITY%value |
vacuum mag. permeability |
| real(kind=dp), | public, | parameter | :: | fine_structure | = | FINE_STRUCTURE_CONSTANT%value |
Fine structure constant |
| real(kind=dp), | public, | parameter | :: | g2 | = | STANDARD_ACCELERATION_OF_GRAVITY%value |
Standard acceleration of gravity |
| real(kind=dp), | public, | parameter | :: | gas_constant | = | MOLAR_GAS_CONSTANT%value |
Molar gas constant |
| real(kind=dp), | public, | parameter | :: | gravitation_constant | = | NEWTONIAN_CONSTANT_OF_GRAVITATION%value |
Newtonian constant of gravitation |
| real(kind=dp), | public, | parameter | :: | h | = | PLANCK_CONSTANT%value |
Planck constant |
| real(kind=dp), | public, | parameter | :: | hbar | = | PLANCK_CONSTANT%value/PI_dp |
Reduced Planck constant |
| real(kind=dp), | public, | parameter | :: | k | = | BOLTZMANN_CONSTANT%value |
Boltzmann constant |
| real(kind=dp), | public, | parameter | :: | m_e | = | ELECTRON_MASS%value |
Electron mass |
| real(kind=dp), | public, | parameter | :: | m_n | = | NEUTRON_MASS%value |
Neutron mass |
| real(kind=dp), | public, | parameter | :: | m_p | = | PROTON_MASS%value |
Proton mass |
| real(kind=dp), | public, | parameter | :: | m_u | = | ATOMIC_MASS_CONSTANT%value |
Atomic mass constant |
| real(kind=dp), | public, | parameter | :: | mu_0 | = | VACUUM_MAG_PERMEABILITY%value |
vacuum mag. permeability |
| real(kind=dp), | public, | parameter | :: | sigma | = | STEFAN_BOLTZMANN_CONSTANT%value |
Stefan-Boltzmann constant |
| real(kind=dp), | public, | parameter | :: | speed_of_light | = | SPEED_OF_LIGHT_IN_VACUUM%value |
Speed of light in vacuum |
| real(kind=dp), | public, | parameter | :: | u | = | ATOMIC_MASS_CONSTANT%value |
Atomic mass constant |