EpetraExt_ModelEvaluatorScalingTools.h

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// 
//     EpetraExt: Epetra Extended - Linear Algebra Services Package
//                 Copyright (2001) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
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#ifndef EPETRA_EXT_MODEL_EVALUATOR_SCALING_TOOLS_H
#define EPETRA_EXT_MODEL_EVALUATOR_SCALING_TOOLS_H


#include "EpetraExt_ModelEvaluator.h"
#include "Teuchos_Utils.hpp"


namespace EpetraExt {




void gatherModelNominalValues(
  const ModelEvaluator &model,
  ModelEvaluator::InArgs *nominalValues
  );


void gatherModelBounds(
  const ModelEvaluator &model,
  ModelEvaluator::InArgs *lowerBounds,
  ModelEvaluator::InArgs *upperBounds
  );


void scaleModelVars(
  const ModelEvaluator::InArgs &origVars,
  const ModelEvaluator::InArgs &varScalings,
  ModelEvaluator::InArgs *scaledVars,
  Teuchos::FancyOStream *out = 0,
  Teuchos::EVerbosityLevel verbLevel = Teuchos::VERB_LOW
  );

void scaleModelBounds(
  const ModelEvaluator::InArgs &origLowerBounds,
  const ModelEvaluator::InArgs &origUpperBounds,
  const double infBnd,
  const ModelEvaluator::InArgs &varScalings,
  ModelEvaluator::InArgs *scaledLowerBounds,
  ModelEvaluator::InArgs *scaledUpperBounds,
  Teuchos::FancyOStream *out = 0,
  Teuchos::EVerbosityLevel verbLevel = Teuchos::VERB_LOW
  );


void unscaleModelVars(
  const ModelEvaluator::InArgs &scaledVars,
  const ModelEvaluator::InArgs &varScalings,
  ModelEvaluator::InArgs *origVars,
  Teuchos::FancyOStream *out = 0,
  Teuchos::EVerbosityLevel verbLevel = Teuchos::VERB_LOW
  );


void scaleModelFuncs(
  const ModelEvaluator::OutArgs &origFuncs,
  const ModelEvaluator::InArgs &varScalings,
  const ModelEvaluator::OutArgs &funcScalings,
  ModelEvaluator::OutArgs *scaledFuncs,
  bool *allFuncsWhereScaled,
  Teuchos::FancyOStream *out = 0,
  Teuchos::EVerbosityLevel verbLevel = Teuchos::VERB_LOW
  );


Teuchos::RefCountPtr<const Epetra_Vector>
createInverseModelScalingVector(
  Teuchos::RefCountPtr<const Epetra_Vector> const& scalingVector
  );


void scaleModelVarsGivenInverseScaling(
  const Epetra_Vector &origVars,
  const Epetra_Vector &invVarScaling,
  Epetra_Vector *scaledVars
  );


void scaleModelVarBoundsGivenInverseScaling(
  const Epetra_Vector &origLowerBounds,
  const Epetra_Vector &origUpperBounds,
  const double infBnd,
  const Epetra_Vector &invVarScaling,
  Epetra_Vector *scaledLowerBounds,
  Epetra_Vector *scaledUpperBounds
  );


void unscaleModelVarsGivenInverseScaling(
  const Epetra_Vector &origVars,
  const Epetra_Vector &invVarScaling,
  Epetra_Vector *scaledVars
  );


void scaleModelFuncGivenForwardScaling(
  const Epetra_Vector &fwdFuncScaling,
  Epetra_Vector *funcs
  );


void scaleModelFuncFirstDerivOp(
  const Epetra_Vector *invVarScaling,
  const Epetra_Vector *fwdFuncScaling,
  Epetra_Operator *funcDerivOp,
  bool *didScaling
  );


void scaleModelFuncFirstDeriv(
  const ModelEvaluator::Derivative &origFuncDeriv,
  const Epetra_Vector *invVarScaling,
  const Epetra_Vector *fwdFuncScaling,
  ModelEvaluator::Derivative *scaledFuncDeriv,
  bool *didScaling
  );


class InArgsGetterSetter_x_dot {
public:

  std::string getName() const { return "x_dot"; }

  Teuchos::RefCountPtr<const Epetra_Vector>
  getVector( const ModelEvaluator::InArgs &inArgs ) const
  {
    return inArgs.get_x_dot();
  }

  void setVector(
    const Teuchos::RefCountPtr<const Epetra_Vector> &x_dot,
    ModelEvaluator::InArgs *inArgs
    ) const
  {
#ifdef TEUCHOS_DEBUG
    TEST_FOR_EXCEPT(!inArgs);
#endif
    inArgs->set_x_dot(x_dot);
  }

};


class InArgsGetterSetter_x {
public:

  std::string getName() const { return "x"; }

  Teuchos::RefCountPtr<const Epetra_Vector>
  getVector( const ModelEvaluator::InArgs &inArgs ) const
  {
    return inArgs.get_x();
  }

  void setVector(
    const Teuchos::RefCountPtr<const Epetra_Vector> &x,
    ModelEvaluator::InArgs *inArgs
    ) const
  {
#ifdef TEUCHOS_DEBUG
    TEST_FOR_EXCEPT(!inArgs);
#endif
    inArgs->set_x(x);
  }

};


class InArgsGetterSetter_p {
public:

  InArgsGetterSetter_p( int l ) : l_(l) {}

  std::string getName() const
  { return "p["+Teuchos::Utils::toString(l_)+"]"; }

  Teuchos::RefCountPtr<const Epetra_Vector>
  getVector( const ModelEvaluator::InArgs &inArgs ) const
  {
    return inArgs.get_p(l_);
  }

  void setVector(
    const Teuchos::RefCountPtr<const Epetra_Vector> &p_l,
    ModelEvaluator::InArgs *inArgs
    ) const
  {
#ifdef TEUCHOS_DEBUG
    TEST_FOR_EXCEPT(!inArgs);
#endif
    inArgs->set_p(l_,p_l);
  }

private:

  int l_;

  InArgsGetterSetter_p(); // Not defined!

};


class OutArgsGetterSetter_f {
public:

  Teuchos::RefCountPtr<Epetra_Vector>
  getVector( const ModelEvaluator::OutArgs &outArgs ) const
  {
    return outArgs.get_f();
  }

  void setVector(
    const Teuchos::RefCountPtr<Epetra_Vector> &f,
    ModelEvaluator::OutArgs *outArgs
    ) const
  {
#ifdef TEUCHOS_DEBUG
    TEST_FOR_EXCEPT(!outArgs);
#endif
    outArgs->set_f(f);
  }

};


class OutArgsGetterSetter_g {
public:

  OutArgsGetterSetter_g( int j ) : j_(j) {}

  Teuchos::RefCountPtr<Epetra_Vector>
  getVector( const ModelEvaluator::OutArgs &outArgs ) const
  {
    return outArgs.get_g(j_);
  }

  void setVector(
    const Teuchos::RefCountPtr<Epetra_Vector> &g_j,
    ModelEvaluator::OutArgs *outArgs
    ) const
  {
#ifdef TEUCHOS_DEBUG
    TEST_FOR_EXCEPT(!outArgs);
#endif
    outArgs->set_g(j_,g_j);
  }

private:

  int j_;

  OutArgsGetterSetter_g(); // Not defined!

};




} // namespace EpetraExt


#endif // EPETRA_EXT_MODEL_EVALUATOR_SCALING_TOOLS_H

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