assemblermanipulatorfuser.hh

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// SPDX-FileCopyrightText: 2021-2025 The Ikarus Developers ikarus@ibb.uni-stuttgart.de
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
#include <ikarus/assembler/assemblermanipulatorbuildingblocks.hh>
 
namespace Ikarus {
 
namespace Impl {
  template <template <typename, typename, typename, typename> typename AInterface,
            template <typename Wrapper, typename Assembler> typename AImplementation>
  struct AssemblerInterfaceHelper
  {
    template <typename WA, typename A, typename ReturnValueType>
    using Interface = AInterface<WA, typename A::FEContainer, typename A::DirichletValuesType, ReturnValueType>;
    template <typename WA, typename A>
    using Implementation = AImplementation<WA, A>;
  };
 
} // namespace Impl
template <Concepts::FlatAssembler A, typename... Ass>
class AssemblerManipulator;
 
#define BASECLASSMEMBERFUNCTION(func, A)         \
  template <typename... Args>                    \
  decltype(auto) base_##func(Args... args) {     \
    return A::func(std::forward<Args>(args)...); \
  }
 
template <Concepts::FlatAssembler A, typename ScalarAss>
class AssemblerManipulator<A, ScalarAss>
    : public ScalarAss::template Interface<AssemblerManipulator<A, ScalarAss>, A, typename A::ScalarType>,
      public ScalarAss::template Implementation<AssemblerManipulator<A, ScalarAss>, A>,
      private A
{
public:
  using WrappedAssembler = A;
 
protected:
  using ScalarAssemblerImpl      = ScalarAss::template Implementation<AssemblerManipulator, WrappedAssembler>;
  using ScalarAssemblerInterface = ScalarAss::template Interface<AssemblerManipulator, A, typename A::ScalarType>;
 
  friend ScalarAssemblerImpl;
  friend ScalarAssemblerInterface;
 
public:
  // typdefs from FlatAssemblerBase
  using typename WrappedAssembler::AffordanceCollectionType;
  using typename WrappedAssembler::Basis;
  using typename WrappedAssembler::DirichletValuesType;
  using typename WrappedAssembler::FEContainer;
  using typename WrappedAssembler::FERequirement;
  using typename WrappedAssembler::ScalarType;
  using typename WrappedAssembler::SizeType;
 
  // functions from FlatAssemblerBase
  using WrappedAssembler::bind;
  using WrappedAssembler::bound;
  using WrappedAssembler::boundToAffordanceCollection;
  using WrappedAssembler::boundToDBCOption;
  using WrappedAssembler::boundToRequirement;
  using WrappedAssembler::createFullVector;
  using WrappedAssembler::createReducedVector;
  using WrappedAssembler::dirichletValues;
 
  using WrappedAssembler::affordanceCollection;
  using WrappedAssembler::constraintsBelow;
  using WrappedAssembler::dBCOption;
  using WrappedAssembler::estimateOfConnectivity;
  using WrappedAssembler::finiteElements;
  using WrappedAssembler::gridView;
  using WrappedAssembler::isConstrained;
  using WrappedAssembler::reducedSize;
  using WrappedAssembler::requirement;
  using WrappedAssembler::size;
 
  // functions from implementations
  using ScalarAssemblerImpl::bind;
 
private:
  using ScalarAssemblerImpl::getScalarImpl;
 
public:
  // functions from interfaces of the new manipulator assembler
  using ScalarAssemblerInterface::scalar;
 
  using CallBackTypes =
      std::tuple<typename ScalarAss::template Implementation<AssemblerManipulator<A, ScalarAss>, A>::FunctionType>;
 
  template <typename... Args>
  requires(not std::is_same_v<std::remove_cvref_t<std::tuple_element_t<0, std::tuple<Args...>>>, AssemblerManipulator>)
  explicit AssemblerManipulator(Args&&... args)
      : WrappedAssembler(std::forward<Args>(args)...) {}
 
private:
  BASECLASSMEMBERFUNCTION(getScalarImpl, A)
 
  A& base() { return *this; }
  const A& base() const { return *this; }
};
 
template <Concepts::FlatAssembler A, typename ScalarAss, typename VectorAss>
class AssemblerManipulator<A, ScalarAss, VectorAss>
    : public ScalarAss::template Interface<AssemblerManipulator<A, ScalarAss, VectorAss>, A, typename A::ScalarType>,
      public ScalarAss::template Implementation<AssemblerManipulator<A, ScalarAss, VectorAss>, A>,
      public VectorAss::template Interface<AssemblerManipulator<A, ScalarAss, VectorAss>, A, typename A::VectorType>,
      public VectorAss::template Implementation<AssemblerManipulator<A, ScalarAss, VectorAss>, A>,
      private A
{
public:
  using WrappedAssembler = A;
 
protected:
  using ScalarAssemblerImpl      = ScalarAss::template Implementation<AssemblerManipulator, WrappedAssembler>;
  using VectorAssemblerImpl      = VectorAss::template Implementation<AssemblerManipulator, WrappedAssembler>;
  using ScalarAssemblerInterface = ScalarAss::template Interface<AssemblerManipulator, A, typename A::ScalarType>;
  using VectorAssemblerInterface = VectorAss::template Interface<AssemblerManipulator, A, typename A::VectorType>;
 
  friend ScalarAssemblerImpl;
  friend VectorAssemblerImpl;
  friend ScalarAssemblerInterface;
  friend VectorAssemblerInterface;
 
public:
  // typdefs from FlatAssemblerBase
  using typename WrappedAssembler::AffordanceCollectionType;
  using typename WrappedAssembler::Basis;
  using typename WrappedAssembler::DirichletValuesType;
  using typename WrappedAssembler::FEContainer;
  using typename WrappedAssembler::FERequirement;
  using typename WrappedAssembler::ScalarType;
  using typename WrappedAssembler::SizeType;
  using typename WrappedAssembler::VectorType;
 
  // functions from FlatAssemblerBase
  using WrappedAssembler::bind;
  using WrappedAssembler::bound;
  using WrappedAssembler::boundToAffordanceCollection;
  using WrappedAssembler::boundToDBCOption;
  using WrappedAssembler::boundToRequirement;
  using WrappedAssembler::createFullVector;
  using WrappedAssembler::createReducedVector;
  using WrappedAssembler::dirichletValues;
 
  using WrappedAssembler::affordanceCollection;
  using WrappedAssembler::constraintsBelow;
  using WrappedAssembler::dBCOption;
  using WrappedAssembler::estimateOfConnectivity;
  using WrappedAssembler::finiteElements;
  using WrappedAssembler::gridView;
  using WrappedAssembler::isConstrained;
  using WrappedAssembler::reducedSize;
  using WrappedAssembler::requirement;
  using WrappedAssembler::size;
 
  // functions from implementations
  using ScalarAssemblerImpl::bind;
  using VectorAssemblerImpl::bind;
 
private:
  using ScalarAssemblerImpl::getScalarImpl;
  using VectorAssemblerImpl::getRawVectorImpl;
  using VectorAssemblerImpl::getReducedVectorImpl;
  using VectorAssemblerImpl::getVectorImpl;
 
public:
  // functions from interfaces of the new manipulator assembler
  using ScalarAssemblerInterface::scalar;
  using VectorAssemblerInterface::vector;
 
  using CallBackTypes =
      std::tuple<typename ScalarAssemblerImpl::FunctionType, typename VectorAssemblerImpl::FunctionType>;
 
  template <typename... Args>
  requires(not std::is_same_v<std::remove_cvref_t<std::tuple_element_t<0, std::tuple<Args...>>>, AssemblerManipulator>)
  explicit AssemblerManipulator(Args&&... args)
      : WrappedAssembler(std::forward<Args>(args)...) {}
 
private:
  BASECLASSMEMBERFUNCTION(getScalarImpl, WrappedAssembler)
  BASECLASSMEMBERFUNCTION(getRawVectorImpl, WrappedAssembler)
  BASECLASSMEMBERFUNCTION(getReducedVectorImpl, WrappedAssembler)
  BASECLASSMEMBERFUNCTION(getVectorImpl, WrappedAssembler)
 
  WrappedAssembler& base() { return *this; }
  const WrappedAssembler& base() const { return *this; }
};
 
template <Concepts::FlatAssembler A, typename ScalarAss, typename VectorAss, typename MatrixAss>
class AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>
    : public ScalarAss::template Interface<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A,
                                           typename A::ScalarType>,
      public ScalarAss::template Implementation<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A>,
      public VectorAss::template Interface<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A,
                                           typename A::VectorType>,
      public VectorAss::template Implementation<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A>,
      public MatrixAss::template Interface<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A,
                                           typename A::MatrixType>,
      public MatrixAss::template Implementation<AssemblerManipulator<A, ScalarAss, VectorAss, MatrixAss>, A>,
      private A
{
public:
  using WrappedAssembler = A;
 
protected:
  using ScalarAssemblerImpl      = ScalarAss::template Implementation<AssemblerManipulator, A>;
  using VectorAssemblerImpl      = VectorAss::template Implementation<AssemblerManipulator, A>;
  using MatrixAssemblerImpl      = MatrixAss::template Implementation<AssemblerManipulator, A>;
  using ScalarAssemblerInterface = ScalarAss::template Interface<AssemblerManipulator, A, typename A::ScalarType>;
  using VectorAssemblerInterface = VectorAss::template Interface<AssemblerManipulator, A, typename A::VectorType>;
  using MatrixAssemblerInterface = MatrixAss::template Interface<AssemblerManipulator, A, typename A::MatrixType>;
 
  friend ScalarAssemblerImpl;
  friend VectorAssemblerImpl;
  friend MatrixAssemblerImpl;
  friend MatrixAssemblerInterface;
  friend ScalarAssemblerInterface;
  friend VectorAssemblerInterface;
 
public:
  // typdefs from FlatAssemblerBase
  using typename WrappedAssembler::AffordanceCollectionType;
  using typename WrappedAssembler::Basis;
  using typename WrappedAssembler::DirichletValuesType;
  using typename WrappedAssembler::FEContainer;
  using typename WrappedAssembler::FERequirement;
  using typename WrappedAssembler::MatrixType;
  using typename WrappedAssembler::ScalarType;
  using typename WrappedAssembler::SizeType;
  using typename WrappedAssembler::VectorType;
 
  // functions from FlatAssemblerBase
  using WrappedAssembler::bind;
  using WrappedAssembler::bound;
  using WrappedAssembler::boundToAffordanceCollection;
  using WrappedAssembler::boundToDBCOption;
  using WrappedAssembler::boundToRequirement;
  using WrappedAssembler::createFullVector;
  using WrappedAssembler::createReducedVector;
  using WrappedAssembler::dirichletValues;
 
  using WrappedAssembler::affordanceCollection;
  using WrappedAssembler::constraintsBelow;
  using WrappedAssembler::dBCOption;
  using WrappedAssembler::estimateOfConnectivity;
  using WrappedAssembler::finiteElements;
  using WrappedAssembler::gridView;
  using WrappedAssembler::isConstrained;
  using WrappedAssembler::reducedSize;
  using WrappedAssembler::requirement;
  using WrappedAssembler::size;
 
  // functions from implementations
  using MatrixAssemblerImpl::bind;
  using ScalarAssemblerImpl::bind;
  using VectorAssemblerImpl::bind;
 
private:
  using MatrixAssemblerImpl::getMatrixImpl;
  using MatrixAssemblerImpl::getRawMatrixImpl;
  using MatrixAssemblerImpl::getReducedMatrixImpl;
  using ScalarAssemblerImpl::getScalarImpl;
  using VectorAssemblerImpl::getRawVectorImpl;
  using VectorAssemblerImpl::getReducedVectorImpl;
  using VectorAssemblerImpl::getVectorImpl;
 
public:
  // functions from interfaces of the new manipulator assembler
  using MatrixAssemblerInterface::matrix;
  using ScalarAssemblerInterface::scalar;
  using VectorAssemblerInterface::vector;
 
  using CallBackTypes =
      std::tuple<typename ScalarAssemblerImpl::FunctionType, typename VectorAssemblerImpl::FunctionType,
                 typename MatrixAssemblerImpl::FunctionType>;
 
  template <typename... Args>
  requires(not std::is_same_v<std::remove_cvref_t<std::tuple_element_t<0, std::tuple<Args...>>>, AssemblerManipulator>)
  explicit AssemblerManipulator(Args&&... args)
      : WrappedAssembler(std::forward<Args>(args)...) {}
 
private:
  BASECLASSMEMBERFUNCTION(getScalarImpl, A)
  BASECLASSMEMBERFUNCTION(getRawVectorImpl, A)
  BASECLASSMEMBERFUNCTION(getReducedVectorImpl, A)
  BASECLASSMEMBERFUNCTION(getVectorImpl, A)
  BASECLASSMEMBERFUNCTION(getRawMatrixImpl, A)
 
  BASECLASSMEMBERFUNCTION(getReducedMatrixImpl, A)
 
  BASECLASSMEMBERFUNCTION(getMatrixImpl, A)
 
  A& base() { return *this; }
  const A& base() const { return *this; }
};
 
template <typename A>
auto makeAssemblerManipulator(A&& a) {
  constexpr bool scal = Concepts::ScalarFlatAssembler<std::remove_cvref_t<A>>;
  constexpr bool vec  = Concepts::VectorFlatAssembler<std::remove_cvref_t<A>>;
  constexpr bool mat  = Concepts::MatrixFlatAssembler<std::remove_cvref_t<A>>;
  if constexpr (scal && vec && mat)
    return std::make_shared<
        AssemblerManipulator<std::remove_cvref_t<A>, Impl::AssemblerInterfaceHelper<ScalarAssembler, ScalarManipulator>,
                             Impl::AssemblerInterfaceHelper<VectorAssembler, VectorManipulator>,
                             Impl::AssemblerInterfaceHelper<MatrixAssembler, MatrixManipulator>>>(std::forward<A>(a));
  else if constexpr (scal && vec)
    return std::make_shared<
        AssemblerManipulator<std::remove_cvref_t<A>, Impl::AssemblerInterfaceHelper<ScalarAssembler, ScalarManipulator>,
                             Impl::AssemblerInterfaceHelper<VectorAssembler, VectorManipulator>>>(std::forward<A>(a));
  else if constexpr (scal)
    return std::make_shared<AssemblerManipulator<std::remove_cvref_t<A>,
                                                 Impl::AssemblerInterfaceHelper<ScalarAssembler, ScalarManipulator>>>(
        std::forward<A>(a));
}
} // namespace Ikarus