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/*! \file
    \brief Utilities to convert a CuTe tuple to a GemmCoord or BatchedGemmCoord
*/

#pragma once

#include "cute/layout.hpp"
#include "cutlass/gemm_coord.h"

namespace cutlass {
namespace gemm {

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

template <class Tuple>
CUTLASS_HOST_DEVICE
auto
to_gemm_coord(Tuple tuple) {
  static_assert(cute::rank(tuple) <= 4, "Can only convert tuples of rank <= 4.");

  if constexpr (cute::rank(tuple) <= 3) {
    auto tuple_mnk = cute::append<3>(tuple, cute::Int<0>{});
    return GemmCoord(cute::size<0>(tuple_mnk), cute::size<1>(tuple_mnk), cute::size<2>(tuple_mnk));
  }
  else {
    return BatchedGemmCoord(cute::size<0>(tuple), cute::size<1>(tuple), cute::size<2>(tuple), cute::size<3>(tuple));
  }
}

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

} // namespace gemm
} // namespace cutlass

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