datasketches Namespace Reference

DataSketches namespace. More...

Namespaces
	kll_constants
	KLL sketch constants.

Classes
class	return_value_holder
class	frequent_items_sketch
class	kll_helper
class	kll_sketch
class	optional
class	quantiles_sorted_view
class	reverse_purge_hash_map
struct	serde
	Interface for serializing and deserializing items. More...
struct	serde< T, typename std::enable_if< std::is_arithmetic< T >::value >::type >
struct	serde< std::string >

Typedefs
template<typename A >
using	string = std::basic_string< char, std::char_traits< char >, typename std::allocator_traits< A >::template rebind_alloc< char > >
template<typename T1 , typename T2 >
using	fwd_type = typename std::conditional< std::is_lvalue_reference< T1 >::value, T2, typename std::remove_reference< T2 >::type && >::type

Enumerations
enum	resize_factor { X1 = 0 , X2 , X4 , X8 }
enum	frequent_items_error_type { NO_FALSE_POSITIVES , NO_FALSE_NEGATIVES }
	Frequent items error type. More...

Functions
template<typename T >
void	unused (T &&...)
constexpr uint8_t	log2 (uint32_t n)
constexpr uint8_t	lg_size_from_count (uint32_t n, double load_factor)
template<typename T >
T	byteswap (T value)
template<typename T1 , typename T2 >
fwd_type< T1, T2 >	conditional_forward (T2 &&value)
template<typename Container >
auto	forward_begin (Container &&c) -> typename std::enable_if< std::is_lvalue_reference< Container >::value||std::is_same< typename std::remove_reference< Container >::type::const_iterator, decltype(c.begin())>::value, decltype(c.begin()) >::type
template<typename Container >
auto	forward_end (Container &&c) -> typename std::enable_if< std::is_lvalue_reference< Container >::value||std::is_same< typename std::remove_reference< Container >::type::const_iterator, decltype(c.begin())>::value, decltype(c.end()) >::type

Detailed Description

DataSketches namespace.

Enumeration Type Documentation

frequent_items_error_type

enum datasketches::frequent_items_error_type

Frequent items error type.

Enumerator
NO_FALSE_POSITIVES	include an item in the result list if get_lower_bound(item) > threshold
NO_FALSE_NEGATIVES	include an item in the result list if get_upper_bound(item) > threshold