MureConstant.hxx

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/*
  This file is part of MURE,
  Copyright (C) 2007-2021 MURE developers.
 
  MURE is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
 
  MURE is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public License
  along with MURE.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef _MURECONSTANT_HXX_
#define _MURECONSTANT_HXX_
 
#include <cmath>
const double e_charge = 1.602176634e-19, eV2Joule = e_charge; //Coulomb since 2019/05/20
const double Kb = 1.380649e-23 / (e_charge * 1e6);  //Boltzamann cte from J/K to MeV/K (2018 CODATA);
const double AVOGADRO = 6.02214076e23 ; //2018 CODATA value
const double AtomicMassUnit_kg = 1. / (AVOGADRO * 1e3) ; //kg 2018 CODATA value
const double Pi = M_PI;
const double EPSILON = 1e-10;
const double Meter2Centimeter = 1e2;
const double eV2MeV = 1.e-6;
const double s2shakes = 1e-8;
const double day = 24 * 3600; //s
const double year = 365.25 * day; //s this is a julian mean year ; 365.2422 is recommended by IUPAC 2011
const double month = year / 12 ; //s
#endif