NAME

       sc::IdentityTransform - The IdentityTransform is a special case of NonlinearTransform were no
       transformation takes place.

SYNOPSIS

       #include <transform.h>

       Inherits sc::NonlinearTransform.

   Public Member Functions
       void transform_coordinates (const RefSCVector &x)
           These override the tranformation members of NonlinearTransform and do nothing.
       void transform_gradient (const RefSCVector &g)
           Transform the gradient at a point in the new coordinate system.
       void transform_hessian (const RefSymmSCMatrix &h)
           Transform the hessian to the new coordinate system.
       void transform_ihessian (const RefSymmSCMatrix &ih)
           Transform the inverse of the hessian.

       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
       Protected Member Functions inherited from sc::RefCount
       RefCount (const RefCount &)
       RefCount & operator= (const RefCount &)

       Protected Attributes inherited from sc::NonlinearTransform
       RefSCMatrix linear_transform_

Detailed Description

       The IdentityTransform is a special case of NonlinearTransform were no transformation takes place.

Member Function Documentation

   void sc::IdentityTransform::transform_coordinates (const RefSCVector & x) [virtual]
       These override the tranformation members of NonlinearTransform and do nothing.

       Implements sc::NonlinearTransform.

   void sc::IdentityTransform::transform_gradient (const RefSCVector & g) [virtual]
       Transform the gradient at a point in the new coordinate system. transform_coordinates must be called
       first to give the point.

       Reimplemented from sc::NonlinearTransform.

   void sc::IdentityTransform::transform_hessian (const RefSymmSCMatrix & h) [virtual]
       Transform the hessian to the new coordinate system. transform_gradient must be called first to initialize
       this routine.

       Reimplemented from sc::NonlinearTransform.

   void sc::IdentityTransform::transform_ihessian (const RefSymmSCMatrix & ih) [virtual]
       Transform the inverse of the hessian. transform_gradient must be called first to initialize this routine.

       Reimplemented from sc::NonlinearTransform.

Author

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