BisectionSolverFunction.h

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/******************************************************************************
 * Copyright (c) 2021.                                                        *
 * The Regents of the University of Michigan and DFT-EFE developers.          *
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 * This file is part of the DFT-EFE code.                                     *
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 * DFT-EFE is free software: you can redistribute it and/or modify            *
 *   it under the terms of the Lesser GNU General Public License as           *
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 *   See the Lesser GNU General Public License for more details.              *
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/*
 * @author Avirup Sircar
 */
 
#ifndef dftefeBisectionSolverFunction_h
#define dftefeBisectionSolverFunction_h
 
#include <utils/TypeConfig.h>
#include <linearAlgebra/LinearAlgebraTypes.h>
 
namespace dftefe
{
  namespace linearAlgebra
  {
    template <typename ValueType>
    class BisectionSolverFunction
    {
    public:
      virtual ~BisectionSolverFunction() = default;
 
      virtual const ValueType
      getValue(ValueType &x) const = 0;
 
      virtual void
      setSolution(const ValueType &x) = 0;
 
      virtual void
      getSolution(ValueType &solution) = 0;
 
      virtual const ValueType
      getLowerBound() const = 0;
 
      virtual const ValueType
      getUpperBound() const = 0;
 
    }; // end of class BisectionSolverFunction
  }    // end of namespace linearAlgebra
} // end of namespace dftefe
#endif // dftefeBisectionSolverFunction_h