| sc::Integral(3) | Library Functions Manual | sc::Integral(3) |
sc::Integral - The Integral abstract class acts as a factory to provide objects that compute one and two electron integrals.
#include <integral.h>
Inherits sc::SavableState.
Inherited by sc::IntegralCCA, sc::IntegralCints, and sc::IntegralV3.
Integral (StateIn &)
Restore the Integral object from the given StateIn object.
Integral (const Ref< KeyVal > &)
Construct the Integral object from the given KeyVal object. void
save_data_state (StateOut &)
Save the base classes (with save_data_state) and the members in the same order
that the StateIn CTOR initializes them. virtual Integral *
clone ()=0
Clones the given Integral factory. The new factory may need to have
set_basis and set_storage to be called on it. virtual int equiv
(const Ref< Integral > &)
Returns nonzero if this and the given Integral object have the same
integral ordering, normalization conventions, etc. void set_storage
(size_t i)
Sets the total amount of storage, in bytes, that is available. size_t
storage_used ()
Returns how much storage has been used. size_t storage_unused ()
Returns how much storage was not needed. virtual size_t
storage_required_eri (const Ref< GaussianBasisSet
> &b1, const Ref< GaussianBasisSet > &b2=0,
const Ref< GaussianBasisSet > &b3=0, const
Ref< GaussianBasisSet > &b4=0)
Returns how much storage will be needed to initialize a two-body integrals
evaluator for electron repulsion integrals. virtual size_t
storage_required_grt (const Ref< GaussianBasisSet
> &b1, const Ref< GaussianBasisSet > &b2=0,
const Ref< GaussianBasisSet > &b3=0, const
Ref< GaussianBasisSet > &b4=0)
Returns how much storage will be needed to initialize a two-body integrals
evaluator for linear R12 integrals. virtual size_t
storage_required_eri_deriv (const Ref<
GaussianBasisSet > &b1, const Ref<
GaussianBasisSet > &b2=0, const Ref<
GaussianBasisSet > &b3=0, const Ref<
GaussianBasisSet > &b4=0)
Returns how much storage will be needed to initialize a two-body integrals
evaluator for derivative electron repulsion integrals. void
adjust_storage (ptrdiff_t s)
The specific integral classes use this to tell Integral how much memory
they are using/freeing. Ref< PetiteList >
petite_list ()
Return the PetiteList object. Ref< PetiteList >
petite_list (const Ref< GaussianBasisSet > &)
Return the PetiteList object for the given basis set.
ShellRotation shell_rotation (int am, SymmetryOperation
&, int pure=0)
Return the ShellRotation object for a shell of the given angular
momentum. virtual void set_basis (const Ref<
GaussianBasisSet > &b1, const Ref<
GaussianBasisSet > &b2=0, const Ref<
GaussianBasisSet > &b3=0, const Ref<
GaussianBasisSet > &b4=0)
Set the basis set for each center. virtual CartesianIter *
new_cartesian_iter (int)=0
Return a CartesianIter object. virtual RedundantCartesianIter *
new_redundant_cartesian_iter (int)=0
Return a RedundantCartesianIter object. virtual
RedundantCartesianSubIter * new_redundant_cartesian_sub_iter
(int)=0
Return a RedundantCartesianSubIter object. virtual
SphericalTransformIter * new_spherical_transform_iter (int l,
int inv=0, int subl=-1)=0
Return a SphericalTransformIter object. virtual const
SphericalTransform * spherical_transform (int l, int inv=0,
int subl=-1)=0
Return a SphericalTransform object. virtual Ref<
OneBodyInt > overlap ()=0
Return a OneBodyInt that computes the overlap. virtual Ref<
OneBodyInt > kinetic ()=0
Return a OneBodyInt that computes the kinetic energy. virtual
Ref< OneBodyInt > point_charge (const
Ref< PointChargeData > &)=0
Return a OneBodyInt that computes the integrals for interactions with
point charges. virtual Ref< OneBodyOneCenterInt >
point_charge1 (const Ref< PointChargeData >
&)
Return a OneBodyInt that computes the integrals for interactions with
point charges. virtual Ref< OneBodyInt > nuclear
()=0
Return a OneBodyInt that computes the nuclear repulsion integrals.
virtual Ref< OneBodyInt > hcore ()=0
Return a OneBodyInt that computes the core Hamiltonian integrals.
virtual Ref< OneBodyInt > efield_dot_vector
(const Ref< EfieldDotVectorData > &)=0
Return a OneBodyInt that computes the electric field integrals dotted
with a given vector. virtual Ref< OneBodyInt >
dipole (const Ref< DipoleData > &)=0
Return a OneBodyInt that computes electric dipole moment integrals.
virtual Ref< OneBodyInt > quadrupole (const
Ref< DipoleData > &)=0
Return a OneBodyInt that computes electric quadrupole moment integrals.
virtual Ref< OneBodyDerivInt > overlap_deriv ()=0
Return a OneBodyDerivInt that computes overlap derivatives. virtual
Ref< OneBodyDerivInt > kinetic_deriv ()=0
Return a OneBodyDerivInt that computes kinetic energy derivatives.
virtual Ref< OneBodyDerivInt > nuclear_deriv ()=0
Return a OneBodyDerivInt that computes nuclear repulsion derivatives.
virtual Ref< OneBodyDerivInt > hcore_deriv ()=0
Return a OneBodyDerivInt that computes core Hamiltonian derivatives.
virtual Ref< TwoBodyThreeCenterInt >
electron_repulsion3 ()
Return a TwoBodyThreeCenterInt that computes electron repulsion
integrals. virtual Ref< TwoBodyThreeCenterDerivInt >
electron_repulsion3_deriv ()
Return a TwoBodyThreeCenterInt that computes electron repulsion
integrals. virtual Ref< TwoBodyTwoCenterInt >
electron_repulsion2 ()
Return a TwoBodyTwoCenterInt that computes electron repulsion
integrals. virtual Ref< TwoBodyTwoCenterDerivInt >
electron_repulsion2_deriv ()
Return a TwoBodyTwoCenterInt that computes electron repulsion
integrals. virtual Ref< TwoBodyInt >
electron_repulsion ()=0
Return a TwoBodyInt that computes electron repulsion integrals. virtual
Ref< TwoBodyDerivInt > electron_repulsion_deriv
()=0
Return a TwoBodyDerivInt that computes electron repulsion derivatives.
virtual Ref< TwoBodyInt > grt ()
Return a TwoBodyInt that computes two-electron integrals specific to
linear R12 methods. Ref< MessageGrp > messagegrp
()
Return the MessageGrp used by the integrals objects.
Public Member Functions inherited from sc::SavableState
SavableState & operator= (const SavableState &)
void save_state (StateOut &)
Save the state of the object as specified by the StateOut object. void
save_object_state (StateOut &)
This can be used for saving state when the exact type of the object is known
for both the save and the restore. virtual void save_vbase_state
(StateOut &)
Save the virtual bases for the object.
Public Member Functions inherited from sc::DescribedClass
DescribedClass (const DescribedClass &)
DescribedClass & operator= (const DescribedClass
&)
ClassDesc * class_desc () const throw ()
This returns the unique pointer to the ClassDesc corresponding to the
given type_info object. const char * class_name () const
Return the name of the object's exact type. int class_version () const
Return the version of the class. virtual void print (std::ostream
&=ExEnv::out0()) const
Print the object.
Public Member Functions inherited from sc::RefCount
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. int managed
() const
Return 1 if the object is managed. Otherwise return 0.
Public Member Functions inherited from sc::Identity
Identifier identifier ()
Return the Identifier for this argument.
static Integral * initial_integral (int &argc,
char **argv)
Create an integral factory. static void set_default_integral (const
Ref< Integral > &)
Specifies a new default Integral factory. static Integral *
get_default_integral ()
Returns the default Integral factory.
Static Public Member Functions inherited from
sc::SavableState
static void save_state (SavableState *s, StateOut &)
static SavableState * restore_state (StateIn &si)
Restores objects saved with save_state. static SavableState *
key_restore_state (StateIn &si, const char *keyword)
Like restore_state, but keyword is used to override values while restoring.
static SavableState * dir_restore_state (StateIn
&si, const char *objectname, const char *keyword=0)
Integral (const Ref< GaussianBasisSet >
&b1, const Ref< GaussianBasisSet > &b2, const
Ref< GaussianBasisSet > &b3, const Ref<
GaussianBasisSet > &b4)
Initialize the Integral object given a GaussianBasisSet for each
center.
Protected Member Functions inherited from sc::SavableState
SavableState (const SavableState &)
SavableState (StateIn &)
Each derived class StateIn CTOR handles the restore corresponding to
calling save_object_state, save_vbase_state, and save_data_state listed
above.
Protected Member Functions inherited from sc::RefCount
RefCount (const RefCount &)
RefCount & operator= (const RefCount &)
Ref< GaussianBasisSet > bs1_
Ref< GaussianBasisSet > bs2_
Ref< GaussianBasisSet > bs3_
Ref< GaussianBasisSet > bs4_
size_t storage_
size_t storage_used_
Ref< MessageGrp > grp_
The Integral abstract class acts as a factory to provide objects that compute one and two electron integrals.
Clones the given Integral factory. The new factory may need to have set_basis and set_storage to be called on it.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes electric dipole moment integrals. The canonical order of integrals in a set is x, y, z.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes the electric field integrals dotted with a given vector.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a TwoBodyInt that computes electron repulsion integrals.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a TwoBodyTwoCenterInt that computes electron repulsion integrals. If this is not re-implemented it will throw.
Reimplemented in sc::IntegralV3.
Return a TwoBodyTwoCenterInt that computes electron repulsion integrals. If this is not re-implemented it will throw.
Return a TwoBodyThreeCenterInt that computes electron repulsion integrals. If this is not re-implemented it will throw.
Reimplemented in sc::IntegralV3.
Return a TwoBodyThreeCenterInt that computes electron repulsion integrals. If this is not re-implemented it will throw.
Return a TwoBodyDerivInt that computes electron repulsion derivatives.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Returns nonzero if this and the given Integral object have the same integral ordering, normalization conventions, etc.
Return a TwoBodyInt that computes two-electron integrals specific to linear R12 methods. According to the convention in the literature, 'g' stands for electron repulsion integral, 'r' for the integral of r12 operator, and 't' for the commutator integrals. Implementation for this kind of TwoBodyInt is optional.
Reimplemented in sc::IntegralCints.
Return a OneBodyInt that computes the core Hamiltonian integrals.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyDerivInt that computes core Hamiltonian derivatives.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Create an integral factory. This routine looks for a -integral argument, then the environmental variable INTEGRAL. The argument to -integral should be either string for a ParsedKeyVal constructor or a classname. This factory is not guaranteed to have its storage and basis sets set up properly, hence set_basis and set_storage need to be called on it.
Return a OneBodyInt that computes the kinetic energy.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyDerivInt that computes kinetic energy derivatives.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a CartesianIter object. The caller is responsible for freeing the object.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a RedundantCartesianIter object. The caller is responsible for freeing the object.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a RedundantCartesianSubIter object. The caller is responsible for freeing the object.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a SphericalTransformIter object. The caller is responsible for freeing the object.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes the nuclear repulsion integrals. Charges from the atoms on center one are used. If center two is not identical to center one, then the charges on center two are included as well.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyDerivInt that computes nuclear repulsion derivatives.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes the overlap.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyDerivInt that computes overlap derivatives.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes the integrals for interactions with point charges.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return a OneBodyInt that computes the integrals for interactions with point charges.
Reimplemented in sc::IntegralV3.
Return a OneBodyInt that computes electric quadrupole moment integrals. The canonical order of integrals in a set is x^2, xy, xz, y^2, yz, z^2.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. This must be implemented by the derived class if the class has data.
Reimplemented from sc::SavableState.
Reimplemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Set the basis set for each center.
Reimplemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Return the ShellRotation object for a shell of the given angular momentum. Pass nonzero to pure to do solid harmonics.
Return a SphericalTransform object. The pointer is only valid while this Integral object is valid.
Implemented in sc::IntegralCints, sc::IntegralCCA, and sc::IntegralV3.
Returns how much storage will be needed to initialize a two-body integrals evaluator for electron repulsion integrals.
Reimplemented in sc::IntegralCints.
Returns how much storage will be needed to initialize a two-body integrals evaluator for linear R12 integrals.
Reimplemented in sc::IntegralCints.
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