LaplaceOperatorContextFE.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           *
 *   published by the Free Software Foundation, either version 3 of           *
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 *   See the Lesser GNU General Public License for more details.              *
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/*
 * @author Bikash Kanungo, Avirup Sircar
 */
 
#ifndef dftefeLaplaceOperatorContextFE_h
#define dftefeLaplaceOperatorContextFE_h
 
#include <utils/MemorySpaceType.h>
#include <linearAlgebra/BlasLapackTypedef.h>
#include <linearAlgebra/LinAlgOpContext.h>
#include <linearAlgebra/Vector.h>
#include <linearAlgebra/MultiVector.h>
#include <linearAlgebra/OperatorContext.h>
#include <basis/FEBasisManager.h>
#include <basis/FEBasisDataStorage.h>
#include <basis/FEBasisOperations.h>
#include <quadrature/QuadratureAttributes.h>
#include <memory>
 
namespace dftefe
{
  namespace electrostatics
  {
    template <typename ValueTypeOperator,
              typename ValueTypeOperand,
              utils::MemorySpace memorySpace,
              size_type          dim>
    class LaplaceOperatorContextFE
      : public linearAlgebra::
          OperatorContext<ValueTypeOperator, ValueTypeOperand, memorySpace>
    {
    public:
      using ValueType =
        linearAlgebra::blasLapack::scalar_type<ValueTypeOperator,
                                               ValueTypeOperand>;
 
    public:
      LaplaceOperatorContextFE(
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerX,
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerY,
        std::shared_ptr<
          const basis::FEBasisDataStorage<ValueTypeOperator, memorySpace>>
          feBasisDataStorage,
        std::shared_ptr<linearAlgebra::LinAlgOpContext<memorySpace>>
                        linAlgOpContext,
        const size_type maxCellBlock,
        const size_type maxFieldBlock);
 
      LaplaceOperatorContextFE(
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerX,
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerY,
        std::shared_ptr<utils::MemoryStorage<ValueTypeOperator, memorySpace>>
                        gradNiGradNjInAllCells,
        const size_type maxCellBlock,
        const size_type maxFieldBlock);
 
      void
      reinit(
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerX,
        const basis::
          FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
            &feBasisManagerY);
 
      ~LaplaceOperatorContextFE() = default;
 
      // void
      // apply(const linearAlgebra::Vector<ValueTypeOperand, memorySpace> &x,
      //       linearAlgberba::Vector<ValueType, memorySpace> &y) const
      //       override;
 
      void
      apply(linearAlgebra::MultiVector<ValueTypeOperand, memorySpace> &X,
            linearAlgebra::MultiVector<ValueType, memorySpace> &       Y,
            bool updateGhostX = false,
            bool updateGhostY = false) const override;
 
      // get overlap of all the basis functions in all cells
      std::shared_ptr<utils::MemoryStorage<ValueTypeOperator, memorySpace>>
      getBasisGradNiGradNjInAllCells() const;
 
    private:
      const basis::
        FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
          *d_feBasisManagerX;
      const basis::
        FEBasisManager<ValueTypeOperand, ValueTypeOperator, memorySpace, dim>
          *d_feBasisManagerY;
      std::shared_ptr<
        const basis::FEBasisDataStorage<ValueTypeOperator, memorySpace>>
        d_feBasisDataStorage;
      std::shared_ptr<utils::MemoryStorage<ValueTypeOperator, memorySpace>>
                d_gradNiGradNjInAllCells;
      size_type d_maxFieldBlock, d_maxCellBlock;
      bool      d_isGradNiNjPreCalculated;
    }; // end of class LaplaceOperatorContextFE
  }    // end of namespace electrostatics
} // end of namespace dftefe
#include <electrostatics/LaplaceOperatorContextFE.t.cpp>
#endif // dftefeLaplaceOperatorContextFE_h