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sc::SumIntCoor(3)		     MPQC		     sc::SumIntCoor(3)

NAME
       sc::SumIntCoor -	SumIntCoor is used to construct	linear combinations of
       internal	coordinates.

SYNOPSIS
       #include	<coor.h>

       Inherits	sc::IntCoor.

   Public Member Functions
       SumIntCoor (StateIn &)
       SumIntCoor (const char *)
	   This	constructor takes a string containing a	label for this
	   coordinate.
       SumIntCoor (const Ref< KeyVal > &)
	   The KeyVal constructor.
       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.
       int n ()
	   Returns the number of coordinates in	this linear combination.
       void add	(Ref< IntCoor >	&, double coef)
	   Add a coordinate to the linear combination.
       void normalize ()
	   This	function normalizes all	the coefficients.
       double preferred_value () const
	   Returns the value of	the coordinate in a.u. and radians.
       const char * ctype () const
	   Always returns ``SUM''.
       void print_details (const Ref< Molecule > &, std::ostream
	   &=ExEnv::out0()) const
	   Print the individual	coordinates in the sum with their
	   coefficients.
       double force_constant (Ref< Molecule > &)
	   Returns the weighted	sum of the individual force constants.
       void update_value (const	Ref< Molecule >	&)
	   Recalculate the value of the	coordinate.
       void bmat (const	Ref< Molecule >	&, RefSCVector &bmat, double coef=1.0)
	   Fill	in a row the the B matrix.
       int equivalent (Ref< IntCoor > &)
	   Always returns 0.

       Public Member Functions inherited from sc::IntCoor
       IntCoor (StateIn	&)
       IntCoor (const IntCoor &)
       IntCoor (const char *label=0)
	   This	constructor takes a string containing a	label for the internal
	   coordinate.
       IntCoor (const Ref< KeyVal > &)
	   The KeyVal constructor.
       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 const char * label () const
	   Returns the string containing the label for the internal
	   coordinate.
       virtual double value () const
	   Returns the value of	the coordinate in atomic units or radians.
       virtual void set_value (double)
	   Sets	the value of the coordinate in atomic units or radians.
       virtual double preferred_value () const
	   Returns the value of	the coordinate in more familiar	units.
       virtual const char * ctype () const =0
	   Returns a string representation of the type of coordinate this is.
       virtual void print (std::ostream	&o=ExEnv::out0()) const
	   Print information about the coordinate.
       virtual void print_details (const Ref< Molecule > &, std::ostream
	   &=ExEnv::out0()) const
       virtual double force_constant (Ref< Molecule > &)=0
	   Returns the value of	the force constant associated with this
	   coordinate.
       virtual void update_value (const	Ref< Molecule >	&)=0
	   Recalculate the value of the	coordinate.
       virtual void bmat (const	Ref< Molecule >	&, RefSCVector &bmat, double
	   coef=1.0)=0
	   Fill	in a row the the B matrix.
       virtual int equivalent (Ref< IntCoor > &)=0
	   Test	to see if this internal	coordinate is equivalent to that one.

       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.

   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::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::IntCoor
       char * label_
       double value_

       Static Protected	Attributes inherited from sc::IntCoor
       static double bohr_conv
       static double radian_conv

Detailed Description
       SumIntCoor is used to construct linear combinations of internal
       coordinates.

       The following is	a sample ParsedKeyVal input for	a SumIntCoor object:

	 sumintcoor<SumIntCoor>: (
	   coor: [
	     <StreSimpleCo>:( atoms = [	1 2 ] )
	     <StreSimpleCo>:( atoms = [	2 3 ] )
	     ]
	   coef	= [ 1.0	1.0 ]
	   )

Constructor & Destructor Documentation
   sc::SumIntCoor::SumIntCoor (const Ref< KeyVal > &)
       The KeyVal constructor.

       coor
	   A vector of IntCoor objects that define the summed coordinates.

       coef
	   A  vector  of floating point	numbers	that gives the coefficients of
	   the summed coordinates.

Member Function	Documentation
   void	sc::SumIntCoor::add (Ref< IntCoor > &, double coef)
       Add a coordinate	to the linear combination. coef	is the coefficient for
       the added coordinate.

   void	sc::SumIntCoor::bmat (const Ref< Molecule >  &,	 RefSCVector  &	 bmat,
       double coef = 1.0) [virtual]
       Fill in a row the the B matrix.

       Implements sc::IntCoor.

   const char *	sc::SumIntCoor::ctype () const [virtual]
       Always returns ``SUM''.

       Implements sc::IntCoor.

   int sc::SumIntCoor::equivalent (Ref<	IntCoor	> &) [virtual]
       Always returns 0.

       Implements sc::IntCoor.

   double sc::SumIntCoor::force_constant (Ref< Molecule	> &) [virtual]
       Returns the weighted sum	of the individual force	constants.

       Implements sc::IntCoor.

   double sc::SumIntCoor::preferred_value () const [virtual]
       Returns the value of the	coordinate in a.u. and radians.

       Reimplemented from sc::IntCoor.

   void	sc::SumIntCoor::print_details (const Ref< Molecule > &,	std::ostream &
       = ExEnv::out0())	const [virtual]
       Print the individual coordinates	in the sum with	their coefficients.

       Reimplemented from sc::IntCoor.

   void	sc::SumIntCoor::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::IntCoor.

   void	sc::SumIntCoor::update_value (const Ref< Molecule > &) [virtual]
       Recalculate the value of	the coordinate.

       Implements sc::IntCoor.

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

Version	2.3.1			Tue May	13 2025		     sc::SumIntCoor(3)

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