MPQC
3.0.0-alpha
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This is an abstract base type for classes that compute three centers integrals involving two electrons. More...
#include <chemistry/qc/basis/tbint.h>
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 () const |
Return the basis set on center one. | |
Ref< GaussianBasisSet > | basis1 () const |
Return the basis set on center one. | |
Ref< GaussianBasisSet > | basis2 () const |
Return the basis set on center two. | |
Ref< GaussianBasisSet > | basis3 () const |
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. More... | |
double | shell_bound (int=-1, int=-1, int=-1) |
Return the maximum magnitude of any integral in a shell block. More... | |
Public Member Functions inherited from sc::RefCount | |
size_t | identifier () const |
Return the unique identifier for this object that can be compared for different objects of different types. More... | |
int | lock_ptr () const |
Lock this object. | |
int | unlock_ptr () const |
Unlock this object. | |
void | use_locks (bool inVal) |
start and stop using locks on this object | |
refcount_t | nreference () const |
Return the reference count. | |
refcount_t | reference () |
Increment the reference count and return the new count. | |
refcount_t | dereference () |
Decrement the reference count and return the new count. | |
int | managed () const |
void | unmanage () |
Turn off the reference counting mechanism for this object. More... | |
Protected Member Functions | |
TwoBodyThreeCenterDerivInt (Integral *integral, const Ref< GaussianBasisSet > &b1, const Ref< GaussianBasisSet > &b2, const Ref< GaussianBasisSet > &b3) | |
Protected Member Functions inherited from sc::RefCount | |
RefCount (const RefCount &) | |
RefCount & | operator= (const RefCount &) |
Protected Attributes | |
Integral * | integral_ |
Ref< GaussianBasisSet > | bs1_ |
Ref< GaussianBasisSet > | bs2_ |
Ref< GaussianBasisSet > | bs3_ |
double * | buffer_ |
This is an abstract base type for classes that compute three centers integrals involving two electrons.
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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.
double sc::TwoBodyThreeCenterDerivInt::shell_bound | ( | int | = -1 , |
int | = -1 , |
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int | = -1 |
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Return the maximum magnitude of any integral in a shell block.
An index of -1 for any argument indicates any shell.