fix

Author: MacroModel

include/fast_io_core_impl/bitops/rtz.h

@@ -118,7 +118,7 @@ inline constexpr ::fast_io::bitops::rtz_result<T> rtz_impl(T n) noexcept
 			s += b;
 			n = b ? r : n;
 
-			/// @todo error?
+			// c1 == d1 == 42949673u
 			constexpr ::std::uint_least32_t d1{42949673u};
 			r = ::std::rotr(static_cast<std::uint32_t>(n * d1), 2);
 			b = r < d1;
@@ -202,4 +202,4 @@ inline constexpr ::fast_io::bitops::rtz_result<T> rtz(T n) noexcept
 	return ::fast_io::bitops::details::rtz_impl<false>(n);
 }
 
-} // namespace fast_io::bitops
+} // namespace fast_io::bitops