#ifndef ULIB_MATH_UNITS_H
#define ULIB_MATH_UNITS_H


#ifdef HAVE_GEANT4
#include <CLHEP/Units/PhysicalConstants.h>
#include <CLHEP/Units/SystemOfUnits.h>
#else
#include "CLHEP_defs.hh"
#endif

namespace uLib {
  using namespace CLHEP;

  inline namespace literals {
    constexpr double operator"" _m(long double v) { return static_cast<double>(v) * CLHEP::meter; }
    constexpr double operator"" _cm(long double v) { return static_cast<double>(v) * CLHEP::centimeter; }
    constexpr double operator"" _mm(long double v) { return static_cast<double>(v) * CLHEP::millimeter; }
    constexpr double operator"" _um(long double v) { return static_cast<double>(v) * CLHEP::micrometer; }
    constexpr double operator"" _nm(long double v) { return static_cast<double>(v) * CLHEP::nanometer; }
    constexpr double operator"" _km(long double v) { return static_cast<double>(v) * CLHEP::kilometer; }

    constexpr double operator"" _m(unsigned long long v) { return static_cast<double>(v) * CLHEP::meter; }
    constexpr double operator"" _cm(unsigned long long v) { return static_cast<double>(v) * CLHEP::centimeter; }
    constexpr double operator"" _mm(unsigned long long v) { return static_cast<double>(v) * CLHEP::millimeter; }
    constexpr double operator"" _um(unsigned long long v) { return static_cast<double>(v) * CLHEP::micrometer; }
    constexpr double operator"" _nm(unsigned long long v) { return static_cast<double>(v) * CLHEP::nanometer; }
    constexpr double operator"" _km(unsigned long long v) { return static_cast<double>(v) * CLHEP::kilometer; }

    constexpr double operator"" _deg(long double v) { return static_cast<double>(v) * CLHEP::degree; }
    constexpr double operator"" _rad(long double v) { return static_cast<double>(v) * CLHEP::radian; }
    constexpr double operator"" _deg(unsigned long long v) { return static_cast<double>(v) * CLHEP::degree; }
    constexpr double operator"" _rad(unsigned long long v) { return static_cast<double>(v) * CLHEP::radian; }

    constexpr double operator"" _ns(long double v) { return static_cast<double>(v) * CLHEP::nanosecond; }
    constexpr double operator"" _s(long double v) { return static_cast<double>(v) * CLHEP::second; }
    constexpr double operator"" _ms(long double v) { return static_cast<double>(v) * CLHEP::millisecond; }
    constexpr double operator"" _ns(unsigned long long v) { return static_cast<double>(v) * CLHEP::nanosecond; }
    constexpr double operator"" _s(unsigned long long v) { return static_cast<double>(v) * CLHEP::second; }
    constexpr double operator"" _ms(unsigned long long v) { return static_cast<double>(v) * CLHEP::millisecond; }

    constexpr double operator"" _MeV(long double v) { return static_cast<double>(v) * CLHEP::megaelectronvolt; }
    constexpr double operator"" _eV(long double v) { return static_cast<double>(v) * CLHEP::electronvolt; }
    constexpr double operator"" _keV(long double v) { return static_cast<double>(v) * CLHEP::kiloelectronvolt; }
    constexpr double operator"" _GeV(long double v) { return static_cast<double>(v) * CLHEP::gigaelectronvolt; }
    constexpr double operator"" _TeV(long double v) { return static_cast<double>(v) * CLHEP::teraelectronvolt; }
    constexpr double operator"" _MeV(unsigned long long v) { return static_cast<double>(v) * CLHEP::megaelectronvolt; }
    constexpr double operator"" _eV(unsigned long long v) { return static_cast<double>(v) * CLHEP::electronvolt; }
    constexpr double operator"" _keV(unsigned long long v) { return static_cast<double>(v) * CLHEP::kiloelectronvolt; }
    constexpr double operator"" _GeV(unsigned long long v) { return static_cast<double>(v) * CLHEP::gigaelectronvolt; }
  }
}

#endif