bitops

Bit Manipulation Utilities

Functions

Function	Description
`bit_pow2`	Internal: power of 2 lookup.
`bit_shl`	Left shift: a « n.
`bit_shr`	Logical right shift: a »> n (unsigned).
`bit_and`	Bitwise AND via arithmetic decomposition.
`bit_or`	Bitwise OR via arithmetic decomposition.
`bit_xor`	Bitwise XOR via arithmetic decomposition.
`bit_not`	Bitwise NOT (ones complement, 64-bit).
`bit_get`	Get bit n of a (0 or 1).
`bit_set`	Set bit n of a to 1.
`bit_clear`	Clear bit n of a to 0.
`bit_toggle`	Toggle bit n of a.
`bit_count`	Population count (number of 1 bits).
`bit_leading_zeros`	Number of leading zero bits (from MSB).
`bit_trailing_zeros`	Number of trailing zero bits (from LSB).
`bit_reverse`	Reverse bit order.
`bit_rotl`	Rotate left by n positions.
`bit_rotr`	Rotate right by n positions.

fn bit_pow2(n: i64) -> i64

Internal: power of 2 lookup.

fn bit_shl(a: i64, n: i64) -> i64

Left shift: a « n.

fn bit_shr(a: i64, n: i64) -> i64

Logical right shift: a »> n (unsigned).

fn bit_and(a: i64, b: i64) -> i64

Bitwise AND via arithmetic decomposition.

fn bit_or(a: i64, b: i64) -> i64

Bitwise OR via arithmetic decomposition.

fn bit_xor(a: i64, b: i64) -> i64

Bitwise XOR via arithmetic decomposition.

fn bit_not(a: i64) -> i64

Bitwise NOT (ones complement, 64-bit).

fn bit_get(a: i64, n: i64) -> i64

Get bit n of a (0 or 1).

fn bit_set(a: i64, n: i64) -> i64

Set bit n of a to 1.

fn bit_clear(a: i64, n: i64) -> i64

Clear bit n of a to 0.

fn bit_toggle(a: i64, n: i64) -> i64

Toggle bit n of a.

fn bit_count(a: i64) -> i64

Population count (number of 1 bits).

fn bit_leading_zeros(a: i64) -> i64

Number of leading zero bits (from MSB).

fn bit_trailing_zeros(a: i64) -> i64

Number of trailing zero bits (from LSB).

fn bit_reverse(a: i64) -> i64

Reverse bit order.

fn bit_rotl(a: i64, n: i64) -> i64

Rotate left by n positions.

fn bit_rotr(a: i64, n: i64) -> i64

Rotate right by n positions.