Function is_byte_aligned

include/cute/container/alignment.hpp:43–49

// Test if a pointer is aligned to N bytes
template <int N>
CUTE_HOST_DEVICE constexpr
bool
is_byte_aligned(void const* const ptr)
{
  static_assert(has_single_bit(N), "N must be a power of 2 in alignment check");
  return (reinterpret_cast<uintptr_t>(ptr) & (N-1)) == 0;
}

#if defined(__CUDACC__)
#  define CUTE_ALIGNAS(n) __align__(n)