sc_Int2eCints man page

sc::Int2eCints — Int2eCints is an interface to various specializations of two-electron integral evaluators implemented in Cints.  

Synopsis

#include <int2e.h>

Inherits sc::RefCount.

Inherited by sc::EriCints, and sc::GRTCints.

Public Member Functions

Int2eCints (Integral *, const Ref< GaussianBasisSet > &, const Ref< GaussianBasisSet > &, const Ref< GaussianBasisSet > &, const Ref< GaussianBasisSet > &, size_t storage)
void init_storage (size_t)
Sets storage limit and starts storage tracking.
void done_storage ()
Finishes storage tracking.
size_t storage_used () const
Reports how much storage is actually used at a given time.
int redundant () const
Whether redundant integrals are returned.
void set_redundant (int flag)
Set redundant flag.
int permute () const
Whether shells can be permuted.
void set_permute (int flag)
Set shell permutation flag.
virtual void compute_quartet (int *, int *, int *, int *)=0
Evaluate the target quartet of integrals.
virtual double * buffer (TwoBodyInt::tbint_type=TwoBodyInt::eri) const =0
Returns the location of the buffer with target integrals.
Ref< GaussianBasisSet > basis ()
Ref< GaussianBasisSet > basis1 ()
Ref< GaussianBasisSet > basis2 ()
Ref< GaussianBasisSet > basis3 ()
Ref< GaussianBasisSet > basis4 ()

Protected Member Functions

void check_storage_ () const
void transform_contrquartets_ (double *, double *)
void sort_contrquartets_to_shellquartet_ (double *, double *)
void permute_target_ (double *, double *, int, int, int)
void permute_1234_to_1243_ (double *, double *)
void permute_1234_to_2134_ (double *, double *)
void permute_1234_to_2143_ (double *, double *)
void permute_1234_to_3412_ (double *, double *)
void permute_1234_to_3421_ (double *, double *)
void permute_1234_to_4312_ (double *, double *)
void permute_1234_to_4321_ (double *, double *)
void get_nonredundant_ints_ (double *, double *, int, int, int)

Static Protected Member Functions

static size_t storage_required_ (const Ref< GaussianBasisSet > &b1, const Ref< GaussianBasisSet > &b2=0, const Ref< GaussianBasisSet > &b3=0, const Ref< GaussianBasisSet > &b4=0)

Protected Attributes

Integral * integral_
Ref< GaussianBasisSet > bs1_
Ref< GaussianBasisSet > bs2_
Ref< GaussianBasisSet > bs3_
Ref< GaussianBasisSet > bs4_
Ref< MessageGrp > grp_
GaussianShell * int_shell1_
GaussianShell * int_shell2_
GaussianShell * int_shell3_
GaussianShell * int_shell4_
int permute_
int redundant_
size_t storage_
size_t storage_used_
double * tformbuf_

Detailed Description

Int2eCints is an interface to various specializations of two-electron integral evaluators implemented in Cints.

It is used by TwoBodyIntCints and TwoBodyDerivIntCints to implement IntegralCints.

Author

Generated automatically by Doxygen for MPQC from the source code.

Info

Sat Feb 11 2017 Version 2.3.1 MPQC