constants.h File Reference

#include <complex>

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Namespaces
namespace	ModuleBase

Functions
const std::complex< double >	ModuleBase::ZERO (0.0, 0.0)
const std::complex< double >	ModuleBase::ONE (1.0, 0.0)
const std::complex< double >	ModuleBase::NEG_ONE (-1.0, 0.0)
const std::complex< double >	ModuleBase::IMAG_UNIT (0.0, 1.0)
const std::complex< double >	ModuleBase::NEG_IMAG_UNIT (0.0,-1.0)

Variables
const double	ModuleBase::PI = 3.14159265358979323846
const double	ModuleBase::PI_HALF = PI / 2.0
const double	ModuleBase::TWO_PI = 2 * PI
const double	ModuleBase::FOUR_PI = 4.0 * 3.14159265358979323846
const double	ModuleBase::INVERSE_FOUR_PI = 1.0/FOUR_PI
const double	ModuleBase::SQRT_INVERSE_FOUR_PI = sqrt(INVERSE_FOUR_PI)
const double	ModuleBase::SQRT2 = 1.41421356237309504880
const double	ModuleBase::K_BOLTZMAN_SI = 1.3806504e-23
const double	ModuleBase::K_BOLTZMAN_AU = 3.1667e-6
const double	ModuleBase::Hartree_to_K = 3.1577464e5
const double	ModuleBase::BOHR_RADIUS_SI = 0.529177e-10
const double	ModuleBase::BOHR_TO_A = 0.5291770
const double	ModuleBase::ELECTRONVOLT_SI = 1.6021892e-19
const double	ModuleBase::ANGSTROM_AU = 1.8897270
const double	ModuleBase::AU_to_FS = 2.418884326505e-2
const double	ModuleBase::e2 = 2.0
const double	ModuleBase::DEGSPIN = 2.0
const double	ModuleBase::Hartree_to_eV = 27.211396
const double	ModuleBase::Ry_to_eV = 13.605698
const double	ModuleBase::NA = 6.02214129e23
const double	ModuleBase::EMASS_SI = 9.1093826e-31
const double	ModuleBase::AU_to_MASS = NA*EMASS_SI*1e3
const double	ModuleBase::HARTREE_SI = 4.35974394e-18
const double	ModuleBase::RYDBERG_SI = HARTREE_SI/2.0
const double	ModuleBase::threshold_wg = 1.0e-10