Bit Operations 1.10.1

#include <std/bit.pat>

This namespace contains various bit-level operations

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Functions

std::bit::popcount(u128 value) -> u128 1.10.1

Returns the number of 1 bits in “value”

Parameter	Description
value	Integer value
return	Number of bits of the value set to 1

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std::bit::has_single_bit(u128 value) -> bool 1.10.1

Returns true if only a single bit is set in “value”

Parameter	Description
value	Integer value
return	True if only one bit is set in value, false otherwise

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std::bit::bit_ceil(u128 value) -> u128 1.10.1

Calculates the smallest integral power of two that is not smaller than “value”

Parameter	Description
value	Integer value
return	Smallest integral power of two that is not smaller than value

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std::bit::bit_floor(u128 value) -> u128 1.10.1

Calculates the largest integral power of two that is not greater than “value”

Parameter	Description
value	Integer value
return	Largest integral power of two that is not greater than value