Index

NAME

CMAbsRefSolution  -  absolute  convergence  monitor for reference
solution

INCLUDE

include "ConvMonitor.h"

SYNTAX

 //-----------------------------------------------------------------------------
 class CMAbsRefSolution : public ConvMonitor
 //-----------------------------------------------------------------------------
 {

   friend class ConvMonitorList;

 protected:

   Handle(LinEqVector) ref_vec;   // test curr_vec - ref_vec

   LinEqVector scratch;


 public:

   CMAbsRefSolution (const ConvMonitor_prm& p)
     : ConvMonitor (p) { ref_vec.rebind (p.ref_sol()); }

   CMAbsRefSolution (const real conv_tolerance = 1.0e-4,
                     const Norm_type norm_tp = l2,
                     const int chunk_size = 100);

   ~CMAbsRefSolution () {}

   virtual void init (Handle(LinEqCommBlk)& communication);
   virtual bool ok () const;
   virtual bool satisfied ();

   virtual real getStorage () const;

   virtual void attach (LinEqVector& refsol);

   virtual String description () const;

   CLASS_INFO
 };

KEYWORDS

iterative methods, absolute stopping criterion, convergence moni­
tor, solution sequence, reference solution

DESCRIPTION

Monitors  the  behaviour  of the iterates x managed by Iterative­
Solver. The convergence test is absolute and is based on the dif­
ference  of  the  current iterate and a reference solution set by
attach, i.e., .

CONSTRUCTORS AND INITIALIZATION

Same as ConvMonitor.

MEMBER FUNCTIONS

Same as ConvMonitor, except attach for binding a reference  solu­
tion.

SEE ALSO

class  ConvMonitor, class IterativeSolver, class ConvMonitorList.

AUTHOR

Are Magnus Bruaset, SINTEF Applied Mathematics.