bit.hpp File Reference

Utilities for bit and bitmask operations. More...

#include <cassert>
#include <cuda/std/climits>
#include <cudf/types.hpp>

Go to the source code of this file.

Namespaces
	cudf
	cuDF interfaces

Functions
template<typename T >
constexpr CUDF_HOST_DEVICE std::size_t	cudf::detail::size_in_bits ()
	Returns the number of bits the given type can hold. More...
constexpr CUDF_HOST_DEVICE size_type	cudf::word_index (size_type bit_index)
	Returns the index of the word containing the specified bit. More...
constexpr CUDF_HOST_DEVICE size_type	cudf::intra_word_index (size_type bit_index)
	Returns the position within a word of the specified bit. More...
CUDF_HOST_DEVICE void	cudf::set_bit_unsafe (bitmask_type *bitmask, size_type bit_index)
	Sets the specified bit to 1 More...
CUDF_HOST_DEVICE void	cudf::clear_bit_unsafe (bitmask_type *bitmask, size_type bit_index)
	Sets the specified bit to 0 More...
CUDF_HOST_DEVICE bool	cudf::bit_is_set (bitmask_type const *bitmask, size_type bit_index)
	Indicates whether the specified bit is set to 1 More...
CUDF_HOST_DEVICE bool	cudf::bit_value_or (bitmask_type const *bitmask, size_type bit_index, bool default_value)
	optional-like interface to check if a specified bit of a bitmask is set. More...
constexpr CUDF_HOST_DEVICE bitmask_type	cudf::set_least_significant_bits (size_type n)
	Returns a bitmask word with the n least significant bits set. More...
constexpr CUDF_HOST_DEVICE bitmask_type	cudf::set_most_significant_bits (size_type n)
	Returns a bitmask word with the n most significant bits set. More...

Detailed Description

Utilities for bit and bitmask operations.

Definition in file bit.hpp.

Function Documentation

size_in_bits()

template<typename T >

constexpr CUDF_HOST_DEVICE std::size_t cudf::detail::size_in_bits ( )

inlineconstexpr

Returns the number of bits the given type can hold.

Template Parameters

T	The type to query

Returns

sizeof(T) in bits

Definition at line 53 of file bit.hpp.