inline auto PermuteSummer()

in gemmology.h [680:684]

• 5 lines of code
• 1 McCabe index (conditional complexity)

inline auto PermuteSummer(xsimd::batch<int32_t, Arch> pack0123,
                          xsimd::batch<int32_t, Arch> pack4567)
    -> decltype(kernel::PermuteSummer(pack0123, pack4567, Arch{})) {
  return kernel::PermuteSummer(pack0123, pack4567, Arch{});
}