| cdef extern from "<bit>" namespace "std" nogil: | |
| # bit_cast (gcc >= 11.0, clang >= 14.0) | |
| cdef To bit_cast[To, From](From&) | |
| # byteswap (C++23) | |
| #cdef T byteswap[T](T) | |
| # integral powers of 2 (gcc >= 10.0, clang >= 12.0) | |
| cdef bint has_single_bit[T](T) | |
| cdef T bit_ceil[T](T) | |
| cdef T bit_floor[T](T) | |
| cdef int bit_width[T](T) | |
| # rotating (gcc >= 9.0, clang >= 9.0) | |
| cdef T rotl[T](T, int shift) | |
| cdef T rotr[T](T, int shift) | |
| # counting (gcc >= 9.0, clang >= 9.0) | |
| cdef int countl_zero[T](T) | |
| cdef int countl_one[T](T) | |
| cdef int countr_zero[T](T) | |
| cdef int countr_one[T](T) | |
| cdef int popcount[T](T) | |
| # endian | |
| cpdef enum class endian(int): | |
| little, | |
| big, | |
| native | |