mpqc::lcao::gaussian::precomputed Namespace Reference

Functions
constexpr int64_t	dfac (int64_t x)
constexpr double	dfac_2xm1 (int64_t x)
constexpr double	minus_2xp3o4 (int64_t x)

Variables
constexpr int64_t	max_am = 8
constexpr double	sqrt_pi_over_2 = 1.2533141373155002512
constexpr double	sqrt_eight_times_pi3 = 15.749609945722419744
constexpr std::array< double, 9 >	dfac_2xm1_table
constexpr std::array< double, 9 >	minus_2xp3o4_table

Function Documentation

dfac()

constexpr int64_t mpqc::lcao::gaussian::precomputed::dfac ( int64_t  x )

constexpr

Returns

x!! , extended to include (-1)!!=1 and 0!!=1

dfac_2xm1()

constexpr double mpqc::lcao::gaussian::precomputed::dfac_2xm1 ( int64_t  x )

constexpr

minus_2xp3o4()

constexpr double mpqc::lcao::gaussian::precomputed::minus_2xp3o4 ( int64_t  x )

constexpr

Variable Documentation

dfac_2xm1_table

constexpr std::array<double, 9> mpqc::lcao::gaussian::precomputed::dfac_2xm1_table

constexpr

Initial value:

= {
    {dfac_2xm1(0), dfac_2xm1(1), dfac_2xm1(2), dfac_2xm1(3), dfac_2xm1(4),
     dfac_2xm1(5), dfac_2xm1(6), dfac_2xm1(7), dfac_2xm1(8)}}

max_am

constexpr int64_t mpqc::lcao::gaussian::precomputed::max_am = 8

constexpr

minus_2xp3o4_table

constexpr std::array<double, 9> mpqc::lcao::gaussian::precomputed::minus_2xp3o4_table

constexpr

Initial value:

= {
    {minus_2xp3o4(0), minus_2xp3o4(1), minus_2xp3o4(2), minus_2xp3o4(3),
     minus_2xp3o4(4), minus_2xp3o4(5), minus_2xp3o4(6), minus_2xp3o4(7),
     minus_2xp3o4(8)}}

sqrt_eight_times_pi3

constexpr double mpqc::lcao::gaussian::precomputed::sqrt_eight_times_pi3 = 15.749609945722419744

constexpr

sqrt_pi_over_2

constexpr double mpqc::lcao::gaussian::precomputed::sqrt_pi_over_2 = 1.2533141373155002512

constexpr