fmm::detail Namespace Reference

Classes
struct	anm_wrapper
struct	BinomNewton_wrapper
struct	knm_wrapper
struct	m2lcoef_wrapper

Functions
void	InitMathConstants (int N)
double constexpr	sqrtNewton (double x, double curr, double prev)
double constexpr	constexpr_sqrt (double x)
void	cudaCopyMathConstants ()
void	cudaClearMathConstants ()

Variables
const int	avx_vec_length = 4
const int	_3d_MAX_MULTIPOLE_NUM = 18
const int	_2d_MAX_MULTIPOLE_NUM = 9
constexpr BinomNewton_wrapper< 2 *_2d_MAX_MULTIPOLE_NUM >	binom
constexpr knm_wrapper< _3d_MAX_MULTIPOLE_NUM >	Knm
constexpr anm_wrapper< _3d_MAX_MULTIPOLE_NUM >	Anm
constexpr m2lcoef_wrapper< _3d_MAX_MULTIPOLE_NUM >	m2lcoef
std::unordered_map< int, std::vector< double > >	dmatrix
std::unordered_map< int, std::vector< std::complex< double > > >	rotation_exponents
double *	dev_dmatrix
int *	dev_dm_map

Function Documentation

constexpr_sqrt()

double constexpr fmm::detail::constexpr_sqrt ( double  x )

inlineconstexpr

Definition at line 51 of file special_functions.h.

    {
        return sqrtNewton(x, x, 0);
    }

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cudaClearMathConstants()

void fmm::detail::cudaClearMathConstants

(

)

cudaCopyMathConstants()

void fmm::detail::cudaCopyMathConstants

(

)

InitMathConstants()

void fmm::detail::InitMathConstants

(

int

N

)

Definition at line 363 of file special_functions.cpp.

{
    for (int i = -3; i < 4; ++i)
        for (int j = -3; j < 4; ++j)
            for (int k = -3; k < 4; ++k) {
                if (std::abs(i) <= 1 && std::abs(j) <= 1 && std::abs(k) <= 1)
                    continue;
                auto rho = DecToSph(Vector3d(i, j, k));
                auto theta = rho[1];
                auto phi = rho[2];
                auto key = doublehash(theta);
                dmatrix[key] = ComputeWignerD(N, theta);
                dmatrix[-key] = ComputeWignerD(N, -theta);
                key = doublehash(phi);
                rotation_exponents[key] = ComputeExp(N, phi);
                rotation_exponents[-key] = ComputeExp(N, -phi);
            }
    //std::cout << dmatrix.size() << std::endl;
}

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sqrtNewton()

double constexpr fmm::detail::sqrtNewton ( double  x, double  curr, double  prev  )

inlineconstexpr

Definition at line 46 of file special_functions.h.

    {
        return (prev - curr) / curr < 1.e-16 && (prev - curr) / curr > -1.e-16 ? curr : sqrtNewton(x, 0.5 * (curr + x / curr), curr);
    }

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Variable Documentation

_2d_MAX_MULTIPOLE_NUM

const int fmm::detail::_2d_MAX_MULTIPOLE_NUM = 9

Definition at line 43 of file defs.h.

_3d_MAX_MULTIPOLE_NUM

const int fmm::detail::_3d_MAX_MULTIPOLE_NUM = 18

Definition at line 42 of file defs.h.

Anm

constexpr anm_wrapper<_3d_MAX_MULTIPOLE_NUM> fmm::detail::Anm

inlineconstexpr

Definition at line 116 of file special_functions.h.

avx_vec_length

const int fmm::detail::avx_vec_length = 4

inline

Definition at line 13 of file avx.h.

binom

constexpr BinomNewton_wrapper<2 * _2d_MAX_MULTIPOLE_NUM> fmm::detail::binom

constexpr

Definition at line 52 of file simple_math.h.

dev_dm_map

int* fmm::detail::dev_dm_map

inline

Definition at line 151 of file special_functions.h.

dev_dmatrix

double* fmm::detail::dev_dmatrix

inline

Definition at line 147 of file special_functions.h.

dmatrix

std::unordered_map<int, std::vector<double> > fmm::detail::dmatrix

inline

Definition at line 145 of file special_functions.h.

Knm

constexpr knm_wrapper<_3d_MAX_MULTIPOLE_NUM> fmm::detail::Knm

inlineconstexpr

Definition at line 85 of file special_functions.h.

m2lcoef

constexpr m2lcoef_wrapper<_3d_MAX_MULTIPOLE_NUM> fmm::detail::m2lcoef

inlineconstexpr

Definition at line 138 of file special_functions.h.

rotation_exponents

std::unordered_map<int, std::vector<std::complex<double> > > fmm::detail::rotation_exponents

inline

Definition at line 146 of file special_functions.h.