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/*! \file
    \brief Templates implementing warp-level matrix multiply-accumulate operations.
*/

#pragma once

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

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

namespace cutlass {

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

/// Array holding planar complex elements
template <typename Element_, int N>
struct ArrayPlanarComplex {

  /// Underlying real element
  using Element = Element_;

  /// Number of logical elements
  static size_t const kElements = N;

  /// Underlying Fragment of real-valued elemenets
  using ArrayReal = Array<Element, N>;

public:

  /// Fragment of real-valued elements representing the real part
  ArrayReal real;

  /// Fragment of real-valued elements representing the imaginary part
  ArrayReal imag;

public:

  /// Ctor
  CUTLASS_HOST_DEVICE
  ArrayPlanarComplex() { }

  /// Ctor
  CUTLASS_HOST_DEVICE
  ArrayPlanarComplex(
    ArrayReal const &real_,
    ArrayReal const &imag_
  ):
    real(real_), imag(imag_) { }

  /// Sets the array to zero efficiently
  CUTLASS_HOST_DEVICE
  void clear() {
    real.clear();
    imag.clear();
  }
};

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

/// Helper to deduce template arguments
template <typename Element, int N>
CUTLASS_HOST_DEVICE
ArrayPlanarComplex<Element, N> 
make_ArrayPlanarComplex(Array<Element, N> const &real, Array<Element, N> const &imag) {
  return ArrayPlanarComplex<Element, N>(real, imag);
}

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

} // namespace cutlass

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