//@HEADER
// ************************************************************************
//
//                        Kokkos v. 4.0
//       Copyright (2022) National Technology & Engineering
//               Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#ifndef KOKKOSSPARSE_IMPL_SPILUK_NUMERIC_SPEC_HPP_
#define KOKKOSSPARSE_IMPL_SPILUK_NUMERIC_SPEC_HPP_

#include <KokkosKernels_config.h>
#include <Kokkos_Core.hpp>
#include <Kokkos_ArithTraits.hpp>
#include "KokkosSparse_CrsMatrix.hpp"
#include "KokkosKernels_Handle.hpp"

// Include the actual functors
#if !defined(KOKKOSKERNELS_ETI_ONLY) || KOKKOSKERNELS_IMPL_COMPILE_LIBRARY
#include <KokkosSparse_spiluk_numeric_impl.hpp>
#include <KokkosSparse_spiluk_symbolic_impl.hpp>
#endif

namespace KokkosSparse {
namespace Impl {
// Specialization struct which defines whether a specialization exists
template <class ExecutionSpace, class KernelHandle, class ARowMapType,
          class AEntriesType, class AValuesType, class LRowMapType,
          class LEntriesType, class LValuesType, class URowMapType,
          class UEntriesType, class UValuesType>
struct spiluk_numeric_eti_spec_avail {
  enum : bool { value = false };
};

}  // namespace Impl
}  // namespace KokkosSparse

#define KOKKOSSPARSE_SPILUK_NUMERIC_ETI_SPEC_AVAIL(                            \
    SCALAR_TYPE, ORDINAL_TYPE, OFFSET_TYPE, LAYOUT_TYPE, EXEC_SPACE_TYPE,      \
    MEM_SPACE_TYPE)                                                            \
  template <>                                                                  \
  struct spiluk_numeric_eti_spec_avail<                                        \
      EXEC_SPACE_TYPE,                                                         \
      KokkosKernels::Experimental::KokkosKernelsHandle<                        \
          const OFFSET_TYPE, const ORDINAL_TYPE, const SCALAR_TYPE,            \
          EXEC_SPACE_TYPE, MEM_SPACE_TYPE, MEM_SPACE_TYPE>,                    \
      Kokkos::View<                                                            \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                    \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          const ORDINAL_TYPE *, LAYOUT_TYPE,                                   \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          const SCALAR_TYPE *, LAYOUT_TYPE,                                    \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                    \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                         \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          SCALAR_TYPE *, LAYOUT_TYPE,                                          \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                    \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                         \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >,    \
      Kokkos::View<                                                            \
          SCALAR_TYPE *, LAYOUT_TYPE,                                          \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                     \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> > > { \
    enum : bool { value = true };                                              \
  };

// Include the actual specialization declarations
#include <KokkosSparse_spiluk_numeric_tpl_spec_avail.hpp>
#include <generated_specializations_hpp/KokkosSparse_spiluk_numeric_eti_spec_avail.hpp>

namespace KokkosSparse {
namespace Impl {

// Unification layer
/// \brief Implementation of KokkosSparse::spiluk_numeric

template <class ExecutionSpace, class KernelHandle, class ARowMapType,
          class AEntriesType, class AValuesType, class LRowMapType,
          class LEntriesType, class LValuesType, class URowMapType,
          class UEntriesType, class UValuesType,
          bool tpl_spec_avail = spiluk_numeric_tpl_spec_avail<
              ExecutionSpace, KernelHandle, ARowMapType, AEntriesType,
              AValuesType, LRowMapType, LEntriesType, LValuesType, URowMapType,
              UEntriesType, UValuesType>::value,
          bool eti_spec_avail = spiluk_numeric_eti_spec_avail<
              ExecutionSpace, KernelHandle, ARowMapType, AEntriesType,
              AValuesType, LRowMapType, LEntriesType, LValuesType, URowMapType,
              UEntriesType, UValuesType>::value>
struct SPILUK_NUMERIC {
  static void spiluk_numeric(
      KernelHandle *handle,
      const typename KernelHandle::const_nnz_lno_t &fill_lev,
      const ARowMapType &A_row_map, const AEntriesType &A_entries,
      const AValuesType &A_values, LRowMapType &L_row_map,
      LEntriesType &L_entries, LValuesType &L_values, URowMapType &U_row_map,
      UEntriesType &U_entries, UValuesType &U_values);
  static void spiluk_numeric_streams(
      const std::vector<ExecutionSpace> &execspace_v,
      std::vector<KernelHandle> &handle_v,
      const std::vector<ARowMapType> &A_row_map_v,
      const std::vector<AEntriesType> &A_entries_v,
      const std::vector<AValuesType> &A_values_v,
      const std::vector<LRowMapType> &L_row_map_v,
      const std::vector<LEntriesType> &L_entries_v,
      std::vector<LValuesType> &L_values_v,
      const std::vector<URowMapType> &U_row_map_v,
      const std::vector<UEntriesType> &U_entries_v,
      std::vector<UValuesType> &U_values_v);
};

#if !defined(KOKKOSKERNELS_ETI_ONLY) || KOKKOSKERNELS_IMPL_COMPILE_LIBRARY
//! Full specialization of spiluk_numeric
// Unification layer
template <class ExecutionSpace, class KernelHandle, class ARowMapType,
          class AEntriesType, class AValuesType, class LRowMapType,
          class LEntriesType, class LValuesType, class URowMapType,
          class UEntriesType, class UValuesType>
struct SPILUK_NUMERIC<ExecutionSpace, KernelHandle, ARowMapType, AEntriesType,
                      AValuesType, LRowMapType, LEntriesType, LValuesType,
                      URowMapType, UEntriesType, UValuesType, false,
                      KOKKOSKERNELS_IMPL_COMPILE_LIBRARY> {
  static void spiluk_numeric(
      KernelHandle *handle,
      const typename KernelHandle::const_nnz_lno_t & /*fill_lev*/,
      const ARowMapType &A_row_map, const AEntriesType &A_entries,
      const AValuesType &A_values, LRowMapType &L_row_map,
      LEntriesType &L_entries, LValuesType &L_values, URowMapType &U_row_map,
      UEntriesType &U_entries, UValuesType &U_values) {
    // Call specific algorithm type
    auto spiluk_handle = handle->get_spiluk_handle();

    Experimental::iluk_numeric(*spiluk_handle, A_row_map, A_entries, A_values,
                               L_row_map, L_entries, L_values, U_row_map,
                               U_entries, U_values);
  }

  static void spiluk_numeric_streams(
      const std::vector<ExecutionSpace> &execspace_v,
      std::vector<KernelHandle> &handle_v,
      const std::vector<ARowMapType> &A_row_map_v,
      const std::vector<AEntriesType> &A_entries_v,
      const std::vector<AValuesType> &A_values_v,
      const std::vector<LRowMapType> &L_row_map_v,
      const std::vector<LEntriesType> &L_entries_v,
      std::vector<LValuesType> &L_values_v,
      const std::vector<URowMapType> &U_row_map_v,
      const std::vector<UEntriesType> &U_entries_v,
      std::vector<UValuesType> &U_values_v) {
    std::vector<typename KernelHandle::SPILUKHandleType *> spiluk_handle_v(
        execspace_v.size());
    for (int i = 0; i < static_cast<int>(execspace_v.size()); i++) {
      spiluk_handle_v[i] = handle_v[i].get_spiluk_handle();
    }

    Experimental::iluk_numeric_streams(execspace_v, spiluk_handle_v,
                                       A_row_map_v, A_entries_v, A_values_v,
                                       L_row_map_v, L_entries_v, L_values_v,
                                       U_row_map_v, U_entries_v, U_values_v);
  }
};

#endif
}  // namespace Impl
}  // namespace KokkosSparse

//
// Macro for declaration of full specialization of
// This is NOT for users!!!  All
// the declarations of full specializations go in this header file.
// We may spread out definitions (see _DEF macro below) across one or
// more .cpp files.
//
#define KOKKOSSPARSE_SPILUK_NUMERIC_ETI_SPEC_DECL(                          \
    SCALAR_TYPE, ORDINAL_TYPE, OFFSET_TYPE, LAYOUT_TYPE, EXEC_SPACE_TYPE,   \
    MEM_SPACE_TYPE)                                                         \
  extern template struct SPILUK_NUMERIC<                                    \
      EXEC_SPACE_TYPE,                                                      \
      KokkosKernels::Experimental::KokkosKernelsHandle<                     \
          const OFFSET_TYPE, const ORDINAL_TYPE, const SCALAR_TYPE,         \
          EXEC_SPACE_TYPE, MEM_SPACE_TYPE, MEM_SPACE_TYPE>,                 \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const ORDINAL_TYPE *, LAYOUT_TYPE,                                \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const SCALAR_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                      \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          SCALAR_TYPE *, LAYOUT_TYPE,                                       \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                      \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          SCALAR_TYPE *, LAYOUT_TYPE,                                       \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      false, true>;

#define KOKKOSSPARSE_SPILUK_NUMERIC_ETI_SPEC_INST(                          \
    SCALAR_TYPE, ORDINAL_TYPE, OFFSET_TYPE, LAYOUT_TYPE, EXEC_SPACE_TYPE,   \
    MEM_SPACE_TYPE)                                                         \
  template struct SPILUK_NUMERIC<                                           \
      EXEC_SPACE_TYPE,                                                      \
      KokkosKernels::Experimental::KokkosKernelsHandle<                     \
          const OFFSET_TYPE, const ORDINAL_TYPE, const SCALAR_TYPE,         \
          EXEC_SPACE_TYPE, MEM_SPACE_TYPE, MEM_SPACE_TYPE>,                 \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const ORDINAL_TYPE *, LAYOUT_TYPE,                                \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const SCALAR_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                      \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          SCALAR_TYPE *, LAYOUT_TYPE,                                       \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          const OFFSET_TYPE *, LAYOUT_TYPE,                                 \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          ORDINAL_TYPE *, LAYOUT_TYPE,                                      \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      Kokkos::View<                                                         \
          SCALAR_TYPE *, LAYOUT_TYPE,                                       \
          Kokkos::Device<EXEC_SPACE_TYPE, MEM_SPACE_TYPE>,                  \
          Kokkos::MemoryTraits<Kokkos::Unmanaged | Kokkos::RandomAccess> >, \
      false, true>;

#include <KokkosSparse_spiluk_numeric_tpl_spec_decl.hpp>

#endif
