NAME

       sc::IntCoor - The IntCoor abstract class describes an internal coordinate of a molecule.

SYNOPSIS

       #include <coor.h>

       Inherits sc::SavableState.

       Inherited by sc::SimpleCo, and sc::SumIntCoor.

   Public Member Functions
       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.

   Protected Attributes
       char * label_
       double value_

   Static Protected Attributes
       static double bohr_conv
       static double radian_conv

   Additional Inherited Members

Detailed Description

       The IntCoor abstract class describes an internal coordinate of a molecule.

Constructor & Destructor Documentation

   sc::IntCoor::IntCoor (const char * label = 0)
       This constructor takes a string containing a label for the internal coordinate. The string
       is copied.

   sc::IntCoor::IntCoor (const Ref< KeyVal > &)
       The KeyVal constructor.

       label
           A label for the coordinate using only to identify the coordinate to the user in
           printouts. The default is no label.

       value
           A value for the coordinate. In the way that coordinates are usually used, the default
           is to compute a value from the cartesian coordinates in a Molecule object.

       unit
           The unit in which the value is given. This can be bohr, anstrom, radian, and degree.
           The default is bohr for lengths and radian for angles.

Member Function Documentation

   virtual int sc::IntCoor::equivalent (Ref< IntCoor > &) [pure virtual]
       Test to see if this internal coordinate is equivalent to that one. The definition of
       equivalence is left up to the individual coordinates.

       Implemented in sc::SumIntCoor, and sc::SimpleCo.

   void sc::IntCoor::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::SavableState.

       Reimplemented in sc::SumIntCoor, and sc::SimpleCo.

Author

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