Provided by: libsc-doc_2.3.1-22build2_all 
NAME
sc::TaylorMolecularEnergy
SYNOPSIS
Inherits sc::MolecularEnergy.
Public Member Functions
TaylorMolecularEnergy (const Ref< KeyVal > &)
TaylorMolecularEnergy (StateIn &)
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.
void print (std::ostream &=ExEnv::out0()) const
Print information about the object.
void compute ()
Recompute at least the results that have compute true and are not already computed.
int value_implemented () const
Information about the availability of values, gradients, and hessians.
int gradient_implemented () const
int hessian_implemented () const
Public Member Functions inherited from sc::MolecularEnergy
MolecularEnergy (const MolecularEnergy &)
MolecularEnergy (const Ref< KeyVal > &)
The KeyVal constructor.
MolecularEnergy (StateIn &)
void set_checkpoint ()
Set up checkpointing.
void set_checkpoint_file (const char *)
void set_checkpoint_freq (int freq)
bool if_to_checkpoint () const
Check if need to checkpoint.
const char * checkpoint_file () const
int checkpoint_freq () const
MolecularEnergy & operator= (const MolecularEnergy &)
virtual double energy ()
A wrapper around value();.
virtual Ref< Molecule > molecule () const
virtual RefSCDimension moldim () const
void guess_hessian (RefSymmSCMatrix &)
Compute a quick, approximate hessian.
RefSymmSCMatrix inverse_hessian (RefSymmSCMatrix &)
RefSymmSCMatrix hessian ()
If a molecule hessian object is given, it will be used to provide a hessian.
void set_x (const RefSCVector &)
Set and retrieve the coordinate values.
RefSCVector get_cartesian_x ()
Return the cartesian coordinates.
RefSCVector get_cartesian_gradient ()
Return the cartesian gradient.
RefSymmSCMatrix get_cartesian_hessian ()
Return the cartesian hessian.
Ref< MolecularCoor > molecularcoor ()
virtual void symmetry_changed ()
Call this if you have changed the molecular symmetry of the molecule contained by this
MolecularEnergy.
Ref< NonlinearTransform > change_coordinates ()
An optimizer can call change coordinates periodically to give the function an
opportunity to change its coordinate system.
void print_natom_3 (const RefSCVector &, const char *t=0, std::ostream &o=ExEnv::out0())
const
Nicely print n x 3 data that are stored in a vector.
void print_natom_3 (double **, const char *t=0, std::ostream &o=ExEnv::out0()) const
void print_natom_3 (double *, const char *t=0, std::ostream &o=ExEnv::out0()) const
Public Member Functions inherited from sc::Function
virtual RefSCVector gradient ()
int gradient_needed () const
int do_gradient (int)
virtual void set_desired_gradient_accuracy (double)
virtual double actual_gradient_accuracy () const
virtual double desired_gradient_accuracy () const
AccResultRefSCVector & gradient_result ()
int hessian_needed () const
int do_hessian (int)
virtual void set_desired_hessian_accuracy (double)
virtual double actual_hessian_accuracy () const
virtual double desired_hessian_accuracy () const
AccResultRefSymmSCMatrix & hessian_result ()
RefSCVector get_x () const
const RefSCVector & get_x_no_copy () const
Function (StateIn &)
Function (const Function &)
Function (const Ref< KeyVal > &, double funcacc=DBL_EPSILON, double gradacc=DBL_EPSILON,
double hessacc=DBL_EPSILON)
The keyval constructor reads the following keywords:
Function & operator= (const Function &)
Ref< SCMatrixKit > matrixkit () const
Return the SCMatrixKit used to construct vectors and matrices.
RefSCDimension dimension () const
Return the SCDimension of the problem.
virtual double value ()
Return the value of the function.
int value_needed () const
Returns nonzero if the current value is not up-to-date.
int do_value (int)
If passed a nonzero number, compute the value the next time compute() is called.
AccResultdouble & value_result ()
virtual void set_desired_value_accuracy (double)
Set the accuracy to which the value is to be computed.
virtual double actual_value_accuracy () const
Return the accuracy with which the value has been computed.
virtual double desired_value_accuracy () const
Return the accuracy with which the value is to be computed.
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.
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.
Public Member Functions inherited from sc::Compute
virtual void obsolete ()
Marks all results as being out of date.
Additional Inherited Members
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)
Protected Member Functions inherited from sc::MolecularEnergy
void failure (const char *)
virtual void set_energy (double)
This is just a wrapper around set_value().
virtual void set_gradient (RefSCVector &)
These are passed gradients and hessian in cartesian coordinates.
virtual void set_hessian (RefSymmSCMatrix &)
void x_to_molecule ()
void molecule_to_x ()
Protected Member Functions inherited from sc::Function
virtual void set_value (double)
virtual void set_matrixkit (const Ref< SCMatrixKit > &)
Set the SCMatrixKit that should be used to construct the requisite vectors and
matrices.
virtual void set_dimension (const RefSCDimension &)
virtual void set_actual_value_accuracy (double)
virtual void set_actual_gradient_accuracy (double)
virtual void set_actual_hessian_accuracy (double)
RefSCVector & get_x_reference ()
Get read/write access to the coordinates for modification.
void do_change_coordinates (const Ref< NonlinearTransform > &)
Change the coordinate system and apply the given transform to intermediates matrices
and vectors.
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 &)
Protected Attributes inherited from sc::MolecularEnergy
Ref< PointGroup > initial_pg_
int print_molecule_when_changed_
Protected Attributes inherited from sc::Function
Ref< SCMatrixKit > matrixkit_
Used to construct new matrices.
RefSCVector x_
The variables.
RefSCDimension dim_
The dimension of x_.
AccResultdouble value_
The value of the function at x_.
AccResultRefSCVector gradient_
The gradient at x_.
AccResultRefSymmSCMatrix hessian_
The hessian at x_.
Member Function Documentation
void sc::TaylorMolecularEnergy::compute () [virtual]
Recompute at least the results that have compute true and are not already computed. This
should only be called by Result's members.
Implements sc::Compute.
int sc::TaylorMolecularEnergy::gradient_implemented () const [virtual]
Reimplemented from sc::Function.
int sc::TaylorMolecularEnergy::hessian_implemented () const [virtual]
Reimplemented from sc::MolecularEnergy.
void sc::TaylorMolecularEnergy::print (std::ostream & = ExEnv::out0()) const [virtual]
Print information about the object.
Reimplemented from sc::MolecularEnergy.
void sc::TaylorMolecularEnergy::save_data_state (StateOut &) [virtual]
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::MolecularEnergy.
int sc::TaylorMolecularEnergy::value_implemented () const [virtual]
Information about the availability of values, gradients, and hessians.
Reimplemented from sc::Function.
Author
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