mma.hpp

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#pragma once

#include <hute/config.hpp>

#include <hute/arch/util.hpp>

namespace hute
{

//
// Direct FMA for any type
//

template <class D, class A = D, class B = A, class C = D>
struct UniversalFMA
{
  using DRegisters = D[1];
  using ARegisters = A[1];
  using BRegisters = B[1];
  using CRegisters = C[1];

  HUTE_HOST_DEVICE static constexpr void
  fma(D      & d,
      A const& a,
      B const& b,
      C const& c)
  {
    // Forward to an ADL/hute free function for these types
    using hute::fma;
    fma(d, a, b, c);
  }
};

} // end namespace hute