step/stepcore/constants.h

0001 /*
0002     SPDX-FileCopyrightText: 2007 Vladimir Kuznetsov <ks.vladimir@gmail.com>
0003
0004     SPDX-License-Identifier: GPL-2.0-or-later
0005 */
0006
0007 #ifndef STEPCORE_CONSTANTS_H
0008 #define STEPCORE_CONSTANTS_H
0009
0010 /** \file constants.h
0011  *  \brief Constants class
0012  */
0013
0014 namespace StepCore {
0015
0016 /** \ingroup constants
0017  *  \brief Common physical constants
0018  *
0019  *  Values taken from https://en.wikipedia.org/wiki/Physical_constants
0020  */
0021 class Constants {
0022 public:
0023     /** Pi constant */
0024     static const double Pi;
0025
0026     /** Speed of light in vacuum [m/s] */
0027     static const double SpeedOfLight;
0028     /** Electric constant (permittivity of free space) [F/m] */
0029     static const double Electric;
0030     /** Magnetic constant (permeability of free space) [N/A^2] */
0031     static const double Magnetic;
0032
0033     /** Coulomb's constant [N*m^2/C^2] */
0034     static const double Coulomb;
0035     /** Error of Coulomb's constant */
0036     static const double CoulombError;
0037
0038     /** Newtonian constant of gravitation [N*m^2/kg^2] */
0039     static const double Gravitational;
0040     /** Error of newtonian constant of gravitation */
0041     static const double GravitationalError;
0042
0043     /** Planck's constant [J*s] */
0044     static const double Planck;
0045     /** Error of Planck's constant */
0046     static const double PlanckError;
0047
0048     /** Boltzmann's constant [J/K] */
0049     static const double Boltzmann;
0050     /** Error of Boltzmann's constant */
0051     static const double BoltzmannError;
0052
0053     /** Standard acceleration of gravity (free fall on Earth) [m/s^2] */
0054     static const double WeightAccel;
0055     /** Error of standard acceleration of gravity (free fall on Earth) */
0056     static const double WeightAccelError;
0057 };
0058
0059 } // namespace StepCore
0060
0061 #endif
0062