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#define | __cpp_lib_bit_cast |
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#define | __cpp_lib_bitops |
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#define | __cpp_lib_endian |
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#define | __cpp_lib_int_pow2 |
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template<typename _To , typename _From > |
constexpr _To | std::bit_cast (const _From &__from) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp > | std::bit_ceil (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp > | std::bit_floor (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp > | std::bit_width (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, int > | std::countl_one (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, int > | std::countl_zero (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, int > | std::countr_one (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, int > | std::countr_zero (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, bool > | std::has_single_bit (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp, int > | std::popcount (_Tp __x) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp > | std::rotl (_Tp __x, int __s) noexcept |
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template<typename _Tp > |
constexpr _If_is_unsigned_integer< _Tp > | std::rotr (_Tp __x, int __s) noexcept |
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Utilities for examining and manipulating individual bits.
◆ endian
Byte order.
Definition at line 444 of file bit.
◆ bit_cast()
template<typename _To , typename _From >
constexpr _To std::bit_cast |
( |
const _From & |
__from | ) |
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constexprnoexcept |
Create a value of type To
from the bits of from
.
Definition at line 75 of file bit.
◆ bit_ceil()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp> std::bit_ceil |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The smallest power-of-two not less than x
.
Definition at line 426 of file bit.
◆ bit_floor()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp> std::bit_floor |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The largest power-of-two not greater than x
.
Definition at line 432 of file bit.
◆ bit_width()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp> std::bit_width |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The smallest integer greater than the base-2 logarithm of x
.
Definition at line 438 of file bit.
◆ countl_one()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, int> std::countl_one |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The number of contiguous one bits, starting from the highest bit.
Definition at line 392 of file bit.
◆ countl_zero()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, int> std::countl_zero |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The number of contiguous zero bits, starting from the highest bit.
Definition at line 386 of file bit.
◆ countr_one()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, int> std::countr_one |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The number of contiguous one bits, starting from the lowest bit.
Definition at line 404 of file bit.
◆ countr_zero()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, int> std::countr_zero |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The number of contiguous zero bits, starting from the lowest bit.
Definition at line 398 of file bit.
◆ has_single_bit()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, bool> std::has_single_bit |
( |
_Tp |
__x | ) |
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constexprnoexcept |
◆ popcount()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp, int> std::popcount |
( |
_Tp |
__x | ) |
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constexprnoexcept |
The number of bits set in x
.
Definition at line 410 of file bit.
◆ rotl()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp> std::rotl |
( |
_Tp |
__x, |
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int |
__s |
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) |
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constexprnoexcept |
Rotate x
to the left by s
bits.
Definition at line 372 of file bit.
◆ rotr()
template<typename _Tp >
constexpr _If_is_unsigned_integer<_Tp> std::rotr |
( |
_Tp |
__x, |
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int |
__s |
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) |
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constexprnoexcept |
Rotate x
to the right by s
bits.
Definition at line 378 of file bit.