sc::twobodythreecenterderivint(3)
NAME
sc::TwoBodyThreeCenterDerivInt - This is an abstract base type for
classes that compute three centers integrals involving two electrons.
SYNOPSIS
#include <tbint.h> Inherits sc::RefCount. Public Member Functions int nbasis () const Return the number of basis functions on center one. int nbasis1 () const Return the number of basis functions on center one. int nbasis2 () const Return the number of basis functions on center two. int nbasis3 () const Return the number of basis functions on center three. int nshell () const Return the number of shells on center one. int nshell1 () const Return the number of shells on center one. int nshell2 () const Return the number of shells on center two. int nshell3 () const Return the number of shells on center three. Ref< GaussianBasisSet > basis () Return the basis set on center one. Ref< GaussianBasisSet > basis1 () Return the basis set on center one. Ref< GaussianBasisSet > basis2 () Return the basis set on center two. Ref< GaussianBasisSet > basis3 () Return the basis set on center three. const double * buffer () const The computed shell integrals will be put in the buffer returned by this member. virtual void compute_shell (int, int, int, DerivCenters &)=0 Given for shell indices, this will cause the integral buffer to be filled in. virtual int log2_shell_bound (int=-1, int=-1, int=-1)=0 Return log base 2 of the maximum magnitude of any integral in a shell block. Protected Member Functions TwoBodyThreeCenterDerivInt (Integral *integral, const Ref< GaussianBasisSet > &b1, const Ref< GaussianBasisSet > &b2, const Ref< GaussianBasisSet > &b3) Protected Attributes Integral * integral_ Ref< GaussianBasisSet > bs1_ Ref< GaussianBasisSet > bs2_ Ref< GaussianBasisSet > bs3_ double * buffer_
Detailed Description
This is an abstract base type for classes that compute three centers
integrals involving two electrons.
Member Function Documentation
- virtual void sc::TwoBodyThreeCenterDerivInt::compute_shell (int, int, int,
- DerivCenters &) [pure virtual]
Given for shell indices, this will cause the integral buffer to be
filled in. - virtual int sc::TwoBodyThreeCenterDerivInt::log2_shell_bound (int = -1, int
- = -1, int = -1) [pure virtual]
Return log base 2 of the maximum magnitude of any integral in a shell
block. - An index of -1 for any argument indicates any shell.
Author
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