Teuchos_StandardFunctionObjects.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER

#ifndef Teuchos_STANDARD_FUNCTION_OBJECTS_H
#define Teuchos_STANDARD_FUNCTION_OBJECTS_H

#include "Teuchos_FunctionObject.hpp"


namespace Teuchos{

template<class OperandType>
class SimpleFunctionObject : public FunctionObject
{
public:



  SimpleFunctionObject():
    FunctionObject(){}

  SimpleFunctionObject(OperandType modifyingOperand):
    FunctionObject(),
    _modifyingOperand(modifyingOperand){}


  virtual OperandType runFunction(OperandType arguement) const=0;



  inline OperandType getModifiyingOperand() const{
    return _modifyingOperand;
  }

  inline OperandType setModifyingOperand(OperandType newOperand){
    _modifyingOperand = newOperand;
  }


private:


  OperandType _modifyingOperand;

};

template<class OperandType>
class SubtractionFunction :
  public SimpleFunctionObject<OperandType>
{
public:


  SubtractionFunction():SimpleFunctionObject<OperandType>(){}

  SubtractionFunction(OperandType amountToSubtract):
    SimpleFunctionObject<OperandType>(amountToSubtract){}




  OperandType runFunction(OperandType arguement) const{
    return
      arguement
      -
      SimpleFunctionObject<OperandType>::getModifiyingOperand();
  }




  std::string getTypeAttributeValue() const{
    return
      "SubtractionFunction("
      + TypeNameTraits<OperandType>::name()
      +")";
  }

};

template<class OperandType>
class AdditionFunction :
  public SimpleFunctionObject<OperandType>
{
public:


  AdditionFunction():SimpleFunctionObject<OperandType>(){}

  AdditionFunction(OperandType amountToAdd):
    SimpleFunctionObject<OperandType>(amountToAdd){}




  OperandType runFunction(OperandType arguement) const{
    return
      arguement
      +
      SimpleFunctionObject<OperandType>::getModifiyingOperand();
  }




  std::string getTypeAttributeValue() const{
    return
      "AdditionFunction("
      + TypeNameTraits<OperandType>::name()
      +")";
  }

};

template<class OperandType>
class MultiplicationFunction :
  public SimpleFunctionObject<OperandType>
{
public:


  MultiplicationFunction():SimpleFunctionObject<OperandType>(){}

  MultiplicationFunction(OperandType amountToMultiplyBy):
    SimpleFunctionObject<OperandType>(amountToMultiplyBy){}




  OperandType runFunction(OperandType arguement) const{
    return
      arguement
      *
      SimpleFunctionObject<OperandType>::getModifiyingOperand();
  }




  std::string getTypeAttributeValue() const{
    return "MultiplicationFunction(" +
      TypeNameTraits<OperandType>::name()
      +")";
  }

};

template<class OperandType>
class DivisionFunction :
  public SimpleFunctionObject<OperandType>
{
public:



  DivisionFunction():SimpleFunctionObject<OperandType>(){}

  DivisionFunction(OperandType amountToDivideBy):
    SimpleFunctionObject<OperandType>(amountToDivideBy){}




  OperandType runFunction(OperandType arguement) const{
    return
      arguement
      /
      SimpleFunctionObject<OperandType>::getModifiyingOperand();
  }




  std::string getTypeAttributeValue() const{
    return
      "DivisionFunction("
      + TypeNameTraits<OperandType>::name()
      +")";
  }


};

} // namespace Teuchos


#endif