ContractedGaussianShell Class Reference

Represents a single shell of contracted, Cartesian, Gaussian primitives. More...

#include <molecularbasis.h>

Public Member Functions
	ContractedGaussianShell ()
	ContractedGaussianShell (int type, const std::vector< double > &coeff, const std::vector< double > &expnt, bool donorm=true)
int	angular_momentum () const
	Returns the shell angular momentum.
double *	eval (double rsq, double x, double y, double z, double *bf) const
	Evaluates the entire shell returning the incremented result pointer.
double	eval_radial (double rsq) const
	Evaluates the radial part of the contracted function.
const std::vector< double > &	get_coeff () const
	Returns a const reference to the coefficients.
const char *	get_desc (int ibf) const
	Returns a string description of the basis function type.
const std::vector< double > &	get_expnt () const
	Returns a const reference to the exponents.
int	nbf () const
	Returns the number of basis functions in the shell.
int	nprim () const
	Returns the number of primitives in the contraction.
double	rangesq () const
	Returns square of the distance beyond which function is less than 1e-8.
template<typename Archive >
void	serialize (Archive &ar)

Private Member Functions
void	normalize ()

Private Attributes
std::vector< double >	coeff
std::vector< double >	expnt
int	numbf
	Number of basis functions in shell (type+1)*(type+2)/2.
double	rsqmax
int	type
	Angular momentum = 0, 1, 2, ...

Detailed Description

Represents a single shell of contracted, Cartesian, Gaussian primitives.

Constructor & Destructor Documentation

ContractedGaussianShell() [1/2]

ContractedGaussianShell::ContractedGaussianShell ( )

inline

ContractedGaussianShell() [2/2]

ContractedGaussianShell::ContractedGaussianShell ( int  type, const std::vector< double > &  coeff, const std::vector< double > &  expnt, bool  donorm = true  )

inline

References expnt, normalize(), and rsqmax.

Member Function Documentation

angular_momentum()

int ContractedGaussianShell::angular_momentum ( ) const

inline

Returns the shell angular momentum.

References type.

eval()

double * ContractedGaussianShell::eval ( double  rsq, double  x, double  y, double  z, double *  bf  ) const

inline

Evaluates the entire shell returning the incremented result pointer.

References e(), eval_radial(), numbf, R, and type.

Referenced by AtomicBasisFunction::operator()().

eval_radial()

double ContractedGaussianShell::eval_radial ( double  rsq ) const

inline

Evaluates the radial part of the contracted function.

References coeff, expnt, rsqmax, and sum.

Referenced by eval().

get_coeff()

const std::vector< double > & ContractedGaussianShell::get_coeff ( ) const

inline

Returns a const reference to the coefficients.

References coeff.

get_desc()

const char * ContractedGaussianShell::get_desc ( int  ibf ) const

inline

Returns a string description of the basis function type.

References MADNESS_ASSERT, and type.

Referenced by AtomicBasisFunction::get_desc().

get_expnt()

const std::vector< double > & ContractedGaussianShell::get_expnt ( ) const

inline

Returns a const reference to the exponents.

References expnt.

nbf()

int ContractedGaussianShell::nbf ( ) const

inline

Returns the number of basis functions in the shell.

References numbf.

Referenced by AtomicBasis::get_shell_from_basis_function().

normalize()

void ContractedGaussianShell::normalize ( )

inlineprivate

References coeff, expnt, f, np, madness::constants::pi, pow(), sum, and type.

Referenced by ContractedGaussianShell().

nprim()

int ContractedGaussianShell::nprim ( ) const

inline

Returns the number of primitives in the contraction.

References coeff.

rangesq()

double ContractedGaussianShell::rangesq ( ) const

inline

Returns square of the distance beyond which function is less than 1e-8.

References rsqmax.

Referenced by AtomicBasisFunction::rangesq().

serialize()

template<typename Archive >

void ContractedGaussianShell::serialize ( Archive &  ar )

inline

References coeff, expnt, numbf, rsqmax, and type.

Member Data Documentation

coeff

std::vector<double> ContractedGaussianShell::coeff

private

Referenced by eval_radial(), get_coeff(), normalize(), nprim(), and serialize().

expnt

std::vector<double> ContractedGaussianShell::expnt

private

Referenced by ContractedGaussianShell(), eval_radial(), get_expnt(), normalize(), and serialize().

numbf

int ContractedGaussianShell::numbf

private

Number of basis functions in shell (type+1)*(type+2)/2.

Referenced by eval(), nbf(), and serialize().

rsqmax

double ContractedGaussianShell::rsqmax

private

Referenced by ContractedGaussianShell(), eval_radial(), rangesq(), and serialize().

type

int ContractedGaussianShell::type

private

Angular momentum = 0, 1, 2, ...

Referenced by angular_momentum(), eval(), get_desc(), normalize(), and serialize().

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The documentation for this class was generated from the following file:

• apps/periodic_old/molecularbasis.h