SundanceFunctional.hpp

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// 
//                              Sundance
//                 Copyright (2005) Sandia Corporation
// 
// Copyright (year first published) Sandia Corporation.  Under the terms 
// of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 
// retains certain rights in this software.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// Lesser General Public License for more details.
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#ifndef SUNDANCE_FUNCTIONAL_H
#define SUNDANCE_FUNCTIONAL_H

#include "SundanceDefs.hpp"
#include "SundanceLinearProblem.hpp"
#include "SundanceVectorCalculus.hpp"
#include "SundanceNonlinearProblem.hpp"
#include "SundanceFunctionalEvaluator.hpp"
#include "PlayaNonlinearOperator.hpp"
#include "PlayaLinearSolverDecl.hpp"
#include "PlayaVectorDecl.hpp"
#include "PlayaVectorType.hpp"

namespace Sundance
{
using namespace Sundance;
using namespace Teuchos;

/**
 *
 */
class Functional
{
public:
  /** */
  Functional(){;}

  /** */
  Functional(
    const Mesh& mesh, 
    const Expr& integral, 
    const Playa::VectorType<double>& vecType);

  /** */
  Functional(
    const Mesh& mesh, 
    const Expr& integral, 
    const Expr& essentialBC,
    const Playa::VectorType<double>& vecType);

  /** */
  LinearProblem linearVariationalProb(const Expr& var,
    const Expr& varEvalPts,
    const Expr& unk,
    const Expr& fixed,
    const Expr& fixedEvalPts) const ;

    
  /** */
  NonlinearProblem
  nonlinearVariationalProb(const Expr& var,
    const Expr& varEvalPts,
    const Expr& unk,
    const Expr& unkEvalPts,
    const Expr& fixed,
    const Expr& fixedEvalPts) const ;


  /** */
  FunctionalEvaluator evaluator(const Expr& var,
    const Expr& varEvalPts,
    const Expr& fixed,
    const Expr& fixedEvalPts) const ;


  /** */
  FunctionalEvaluator evaluator(const Expr& var,
    const Expr& varEvalPts) const ;

  /** */
  const Mesh& mesh() const {return mesh_;}
    

private:
  Mesh mesh_;

  Expr integral_;

  Expr bc_;

  Playa::VectorType<double> vecType_;
    
};

/** \relates Functional */
double L2Norm(const Mesh& mesh, const CellFilter& domain,
  const Expr& expr, const QuadratureFamily& quad,
  const WatchFlag& watch=WatchFlag());

/** \relates Functional */
double H1Seminorm(
  const Mesh& mesh,
  const CellFilter& filter,
  const Expr& f,
  const QuadratureFamily& quad,
  const WatchFlag& watch=WatchFlag());

/** \relates Functional */
double H1Norm(
  const Mesh& mesh,
  const CellFilter& filter,
  const Expr& f,
  const QuadratureFamily& quad,
  const WatchFlag& watch=WatchFlag());
}


#endif

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