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sc::VWN4LCFunctional(3) 	      MPQC		 sc::VWN4LCFunctional(3)

NAME
     sc::VWN4LCFunctional - The VWN4LCFunctional computes energies and densities
     using the VWN4 local correlation term (from Vosko, Wilk, and Nusair).

SYNOPSIS
     #include <functional.h>

     Inherits sc::VWNLCFunctional.

   Public Member Functions
     VWN4LCFunctional (const Ref< KeyVal > &)
     VWN4LCFunctional (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 point_lc (const PointInputData &, PointOutputData &, double &,  double
	 &, double &)

     Public Member Functions inherited from sc::VWNLCFunctional
     VWNLCFunctional (const Ref< KeyVal > &)
     VWNLCFunctional (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.
     virtual void point_lc (const PointInputData &, PointOutputData &, double &,
	 double &, double &)

     Public Member Functions inherited from sc::LSDACFunctional
     LSDACFunctional (const Ref< KeyVal > &)
     LSDACFunctional (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 point (const PointInputData &, PointOutputData &)
     virtual  void  point_lc  (const PointInputData &, PointOutputData &, double
	 &ec_local, double &decrs, double &deczeta)=0

     Public Member Functions inherited from sc::DenFunctional
     DenFunctional (const Ref< KeyVal > &)
     DenFunctional (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.
     virtual void set_spin_polarized (int i)
     virtual void set_compute_potential (int i)
     virtual int need_density_gradient ()
     virtual int need_density_hessian ()
     virtual void point (const PointInputData &, PointOutputData &)=0
     void gradient (const PointInputData &, PointOutputData &, double *gradient,
	 int  acenter, GaussianBasisSet *basis, const double *dmat_a, const dou-
	 ble *dmat_b, int ncontrib, const int *contrib, int  ncontrib_bf,  const
	 int  *contrib_bf,  const  double  *bs_values, const double *bsg_values,
	 const double *bsh_values)
     virtual double a0 () const
	 Returns the fraction of Hartee-Fock exchange to be included.
     void fd_point (const PointInputData &, PointOutputData &)
     int test (const PointInputData &)
     int test ()

     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.
     virtual 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.

     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.

   Protected Attributes
     int monte_carlo_prefactor_

     Protected Attributes inherited from sc::VWNLCFunctional
     double Ap_
     double Af_
     double A_alpha_
     double x0p_mc_
     double bp_mc_
     double cp_mc_
     double x0f_mc_
     double bf_mc_
     double cf_mc_
     double x0p_rpa_
     double bp_rpa_
     double cp_rpa_
     double x0f_rpa_
     double bf_rpa_
     double cf_rpa_
     double x0_alpha_mc_
     double b_alpha_mc_
     double c_alpha_mc_
     double x0_alpha_rpa_
     double b_alpha_rpa_
     double c_alpha_rpa_

     Protected Attributes inherited from sc::DenFunctional
     int spin_polarized_
     int compute_potential_
     double a0_

   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	*object-
	 name, const char *keyword=0)

     Protected Member Functions inherited from sc::VWNLCFunctional
     void init_constants ()
     double F (double x, double A, double x0, double b, double c)
     double dFdr_s (double x, double A, double x0, double b, double c)

     Protected Member Functions inherited from sc::DenFunctional
     void  do_fd_point	(PointInputData  &id,  double  &in,  double &out, double
	 lower_bound, double upper_bound)

     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 &)

Detailed Description
     The  VWN4LCFunctional  computes energies and densities using the VWN4 local
     correlation term (from Vosko, Wilk, and Nusair).

Member Function Documentation
   void sc::VWN4LCFunctional::point_lc (const PointInputData &,  PointOutputData
     &, double &, double &, double &) [virtual]
     Reimplemented from sc::VWNLCFunctional.

   void sc::VWN4LCFunctional::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::VWNLCFunctional.

Author
     Generated automatically by Doxygen for MPQC from the source code.

Version 2.3.1			 Thu Sep 3 2026 	 sc::VWN4LCFunctional(3)
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