FEBasisOperations.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, Vishal Subramanian, Avirup Sircar
 */
 
#ifndef dftefeFEBasisOperations_h
#define dftefeFEBasisOperations_h
 
#include <utils/TypeConfig.h>
#include <utils/MemorySpaceType.h>
#include <basis/FEBasisDataStorage.h>
#include <basis/Field.h>
#include <basis/BasisOperations.h>
#include <basis/BasisDataStorage.h>
#include <basis/FEBasisManager.h>
#include <quadrature/QuadratureAttributes.h>
#include <quadrature/QuadratureValuesContainer.h>
#include <linearAlgebra/BlasLapackTypedef.h>
#include <linearAlgebra/Vector.h>
#include <linearAlgebra/MultiVector.h>
#include <memory>
namespace dftefe
{
  namespace basis
  {
    template <typename ValueTypeBasisCoeff,
              typename ValueTypeBasisData,
              utils::MemorySpace memorySpace,
              size_type          dim>
    class FEBasisOperations : public BasisOperations<ValueTypeBasisCoeff,
                                                     ValueTypeBasisData,
                                                     memorySpace>
    {
      //
      // typedefs
      //
    public:
      //
      // Get the union of the ValueTypeBasisCoeff and ValueTypeBasisData
      // (.e.g, the union of double and complex<double> is complex<double>)
      //
      using ValueTypeUnion =
        typename BasisOperations<ValueTypeBasisCoeff,
                                 ValueTypeBasisData,
                                 memorySpace>::ValueTypeUnion;
 
      using StorageUnion = typename BasisOperations<ValueTypeBasisCoeff,
                                                    ValueTypeBasisData,
                                                    memorySpace>::StorageUnion;
 
      using StorageBasis = typename BasisOperations<ValueTypeBasisCoeff,
                                                    ValueTypeBasisData,
                                                    memorySpace>::StorageBasis;
 
      FEBasisOperations(
        std::shared_ptr<const BasisDataStorage<ValueTypeBasisData, memorySpace>>
                        basisDataStorage,
        const size_type maxCellBlockSize,
        const size_type maxFieldBlockSize = 0);
 
      void
      reinit(const size_type maxCellBlockSize,
             const size_type maxFieldBlockSize = 0);
 
      ~FEBasisOperations() = default;
 
      void
      interpolate(
        const Field<ValueTypeBasisCoeff, memorySpace> &field,
        quadrature::QuadratureValuesContainer<ValueTypeUnion, memorySpace>
          &quadValuesContainer) const override;
 
      void
      interpolate(
        const linearAlgebra::MultiVector<ValueTypeBasisCoeff, memorySpace>
          &                                                   vectorData,
        const BasisManager<ValueTypeBasisCoeff, memorySpace> &basisManager,
        quadrature::QuadratureValuesContainer<
          linearAlgebra::blasLapack::scalar_type<ValueTypeBasisCoeff,
                                                 ValueTypeBasisData>,
          memorySpace> &quadValuesContainer) const override;
 
      void
      interpolateWithBasisGradient(
        const linearAlgebra::MultiVector<ValueTypeBasisCoeff, memorySpace>
          &                                                   vectorData,
        const BasisManager<ValueTypeBasisCoeff, memorySpace> &basisManager,
        quadrature::QuadratureValuesContainer<
          linearAlgebra::blasLapack::scalar_type<ValueTypeBasisCoeff,
                                                 ValueTypeBasisData>,
          memorySpace> &quadValuesContainer) const override;
 
      void
      integrateWithBasisValues(
        const quadrature::QuadratureValuesContainer<ValueTypeUnion, memorySpace>
          &                                      inp,
        Field<ValueTypeBasisCoeff, memorySpace> &f) const override;
 
      void
      integrateWithBasisValues(
        const quadrature::QuadratureValuesContainer<
          linearAlgebra::blasLapack::scalar_type<ValueTypeBasisCoeff,
                                                 ValueTypeBasisData>,
          memorySpace> &                                      inp,
        const BasisManager<ValueTypeBasisCoeff, memorySpace> &basisManager,
        linearAlgebra::MultiVector<ValueTypeBasisCoeff, memorySpace>
          &vectorData) const override;
 
      /* FE functions for local kernel computations*/
      void
      computeFEMatrices(
        realspace::LinearLocalOp L1,
        realspace::VectorMathOp  Op1,
        realspace::VectorMathOp  L2,
        realspace::LinearLocalOp Op2,
        const quadrature::QuadratureValuesContainer<ValueTypeUnion, memorySpace>
          &                                          f,
        StorageUnion &                               cellWiseFEData,
        linearAlgebra::LinAlgOpContext<memorySpace> &linAlgOpContext) const;
 
      void
      computeFEMatrices(
        realspace::LinearLocalOp                     L1,
        realspace::VectorMathOp                      Op1,
        realspace::LinearLocalOp                     L2,
        StorageBasis &                               cellWiseFEData,
        linearAlgebra::LinAlgOpContext<memorySpace> &linAlgOpContext) const;
 
    private:
      std::shared_ptr<const FEBasisDataStorage<ValueTypeBasisData, memorySpace>>
        d_feBasisDataStorage;
      // size_type d_maxCellTimesFieldBlock;
      size_type d_maxCellBlock;
      size_type d_maxFieldBlock;
 
      utils::MemoryStorage<ValueTypeBasisCoeff, memorySpace>
        d_tmpFieldCellValues, d_tmpCellMatrixBlock, d_tmpJxWxVecN,
        d_tmpJxWxScalN, d_tmpFieldxVecN, d_tmpFieldxScalN;
      // TODO: initilize this
      // (VecN is vector * N (like grad/curl), ScalN is scalar x N)
 
      utils::MemoryStorage<ValueTypeBasisData, memorySpace>
        d_tmpCellGradientsBlock, d_tmpCellValuesBlock;
 
    }; // end of FEBasisOperations
  }    // end of namespace basis
} // end of namespace dftefe
#include <basis/FEBasisOperations.t.cpp>
#endif // dftefeBasisOperations_h