ProcessInnerProduct.h

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////////////////////////////////////////////////////////////////////////////////
//
//  File: ProcessInnerProduct.h
//
//  For more information, please see: http://www.nektar.info/
//
//  The MIT License
//
//  Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
//  Department of Aeronautics, Imperial College London (UK), and Scientific
//  Computing and Imaging Institute, University of Utah (USA).
//
//  License for the specific language governing rights and limitations under
//  Permission is hereby granted, free of charge, to any person obtaining a
//  copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation
//  the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the
//  Software is furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included
//  in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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//
//  Description: Compute inner product between two fields.
//
////////////////////////////////////////////////////////////////////////////////

#ifndef UTILITIES_PREPROCESSING_FIELDCONVERT_PROCESSINNERPRODUCT
#define UTILITIES_PREPROCESSING_FIELDCONVERT_PROCESSINNERPRODUCT

#include "../Module.h"

namespace Nektar
{
namespace Utilities
{

/**
 * @brief This processing module computes the inner product between two fields.
 *
 */
class ProcessInnerProduct : public ProcessModule
{
public:
    /// Creates an instance of this class
    static boost::shared_ptr<Module> create(FieldSharedPtr f)
    {
        return MemoryManager<ProcessInnerProduct>::AllocateSharedPtr(f);
    }
    static ModuleKey className;

    ProcessInnerProduct(FieldSharedPtr f);
    virtual ~ProcessInnerProduct();

    /// Write mesh to output file.
    virtual void Process(po::variables_map &vm);

    virtual std::string GetModuleName()
    {
        return "ProcessInnerProduct";
    }


private:
    NekDouble IProduct(vector<unsigned int> &processFields,
                       FieldSharedPtr &fromField,
                       Array<OneD, const Array<OneD, NekDouble> > &SaveFld);
};
}
}

#endif