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NewtonLinearization.h

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#ifndef NEWTONLINEARIZATION_H
#define NEWTONLINEARIZATION_H

#include "SundanceDefs.h"
#include "StaticLinearProblem.h"
#include "TSFNonlinearOperatorBase.h"
#include "TSFNonlinearOperator.h"
#include "NewtonSolver.h"

namespace Sundance
{

  using namespace TSF;
  using std::string;

  using std::ostream;

  /** \ingroup UserLevelFE
   */

  class NewtonLinearization : public TSFNonlinearOperatorBase
    {
    public:
      /** */
      NewtonLinearization();
      /** */
      NewtonLinearization(const StaticLinearProblem& linearizedProblem,
                          const Expr& guess,
                          const TSFLinearSolver& solver);
      /** */
      virtual ~NewtonLinearization();

      /** apply the operator to a vector. */
      virtual void apply(const TSFVector& arg, TSFVector& out) const ;

      /** get a linear operator representing the derivative at an eval point */
      virtual TSFLinearOperator derivative(const TSFVector& evalPt) const ;

      /** */
      Expr solve(const NewtonSolver& solver) const ;

      static int& verbose() {static int v=false; return v;}
    private:
      mutable StaticLinearProblem linearizedProblem_;

      mutable Expr guess_;

      TSFLinearSolver solver_;

      int numBlocks_;


    };


}
#endif

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Contact:

Kevin Long (krlong@ca.sandia.gov)


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