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/*! \file
  \brief Constructs a default epilogue for planar complex outputs.

  This template reuses components for real-valued epilogues and applies them to planar complex
  output matrices.

*/

#pragma once

#include "cutlass/cutlass.h"
#include "cutlass/numeric_types.h"
#include "cutlass/array.h"
#include "cutlass/array_planar_complex.h"

#include "cutlass/arch/arch.h"

#include "cutlass/epilogue/thread/linear_combination_planar_complex.h"
#include "cutlass/epilogue/threadblock/default_epilogue_simt.h"
#include "cutlass/epilogue/threadblock/default_epilogue_volta_tensor_op.h"
#include "cutlass/epilogue/threadblock/default_epilogue_tensor_op.h"

#include "cutlass/epilogue/threadblock/epilogue_planar_complex.h"

/////////////////////////////////////////////////////////////////////////////////////////////////

namespace cutlass {
namespace epilogue {
namespace threadblock {

/////////////////////////////////////////////////////////////////////////////////////////////////

/// Defines sensible defaults for epilogues.
template <
  typename ThreadblockShape_,
  typename WarpMma_,
  typename OpcodeClass_,
  typename ArchTag_,
  int PartitionsK,
  typename OutputOp_,
  int ElementsPerAccess
>
struct DefaultEpiloguePlanarComplex;

/////////////////////////////////////////////////////////////////////////////////////////////////

/// Defines sensible defaults for epilogues.
template <
  typename ThreadblockShape_,
  typename WarpMmaOperator_,
  int PartitionsK,
  typename OutputOp_,
  int ElementsPerAccess
>
struct DefaultEpiloguePlanarComplex<
  ThreadblockShape_, 
  WarpMmaOperator_, 
  arch::OpClassTensorOp, 
  arch::Sm70,
  PartitionsK, 
  OutputOp_, 
  ElementsPerAccess> {

  using RealEpilogue = DefaultEpilogueVoltaTensorOp<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    OutputOp_,
    ElementsPerAccess
  >;

  using Epilogue = EpiloguePlanarComplex<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    typename RealEpilogue::OutputTileIterator,
    typename RealEpilogue::AccumulatorFragmentIterator,
    typename RealEpilogue::WarpTileIterator,
    typename RealEpilogue::SharedLoadIterator,
    OutputOp_,
    typename RealEpilogue::Padding
  >;
};

/////////////////////////////////////////////////////////////////////////////////////////////////

/// Defines sensible defaults for epilogues.
template <
  typename ThreadblockShape_,
  typename WarpMmaOperator_,
  int PartitionsK,
  typename OutputOp_,
  int ElementsPerAccess
>
struct DefaultEpiloguePlanarComplex<
  ThreadblockShape_, 
  WarpMmaOperator_, 
  arch::OpClassTensorOp, 
  arch::Sm75,
  PartitionsK, 
  OutputOp_, 
  ElementsPerAccess> {

  using RealEpilogue = DefaultEpilogueTensorOp<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    OutputOp_,
    ElementsPerAccess
  >;

  using Epilogue = EpiloguePlanarComplex<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    typename RealEpilogue::OutputTileIterator,
    typename RealEpilogue::AccumulatorFragmentIterator,
    typename RealEpilogue::WarpTileIterator,
    typename RealEpilogue::SharedLoadIterator,
    OutputOp_,
    typename RealEpilogue::Padding
  >;
};

/////////////////////////////////////////////////////////////////////////////////////////////////

/// Defines sensible defaults for epilogues.
template <
  typename ThreadblockShape_,
  typename WarpMmaOperator_,
  int PartitionsK,
  typename OutputOp_,
  int ElementsPerAccess
>
struct DefaultEpiloguePlanarComplex<
  ThreadblockShape_, 
  WarpMmaOperator_, 
  arch::OpClassTensorOp, 
  arch::Sm80,
  PartitionsK, 
  OutputOp_, 
  ElementsPerAccess> {

  using RealEpilogue = DefaultEpilogueTensorOp<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    OutputOp_,
    ElementsPerAccess
  >;

  using Epilogue = EpiloguePlanarComplex<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    typename RealEpilogue::OutputTileIterator,
    typename RealEpilogue::AccumulatorFragmentIterator,
    typename RealEpilogue::WarpTileIterator,
    typename RealEpilogue::SharedLoadIterator,
    OutputOp_,
    typename RealEpilogue::Padding
  >;
};

/////////////////////////////////////////////////////////////////////////////////////////////////

/// Defines sensible defaults for epilogues.
template <
  typename ThreadblockShape_,
  typename WarpMmaOperator_,
  typename ArchTag_,
  int PartitionsK,
  typename OutputOp_,
  int ElementsPerAccess
>
struct DefaultEpiloguePlanarComplex<
  ThreadblockShape_, 
  WarpMmaOperator_, 
  arch::OpClassSimt, 
  ArchTag_,
  PartitionsK, 
  OutputOp_, 
  ElementsPerAccess> {

  using RealEpilogue = DefaultEpilogueSimt<
    ThreadblockShape_,
    WarpMmaOperator_,
    OutputOp_,
    ElementsPerAccess
  >;

  using Epilogue = EpiloguePlanarComplex<
    ThreadblockShape_,
    WarpMmaOperator_,
    PartitionsK,
    typename RealEpilogue::OutputTileIterator,
    typename RealEpilogue::AccumulatorFragmentIterator,
    typename RealEpilogue::WarpTileIterator,
    typename RealEpilogue::SharedLoadIterator,
    OutputOp_,
    typename RealEpilogue::Padding
  >;
};

/////////////////////////////////////////////////////////////////////////////////////////////////

} // namespace threadblock
} // namespace epilogue
} // namespace cutlass

/////////////////////////////////////////////////////////////////////////////////////////////////