type_dispatcher.hpp File Reference

Defines the mapping between cudf::type_id runtime type information and concrete C++ types. More...

#include <cudf/detail/utilities/assert.cuh>
#include <cudf/fixed_point/fixed_point.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/error.hpp>
#include <cudf/wrappers/dictionary.hpp>
#include <cudf/wrappers/durations.hpp>
#include <cudf/wrappers/timestamps.hpp>
#include <string>

Go to the source code of this file.

Classes
struct	cudf::dispatch_storage_type< Id >
	Use this specialization on type_dispatcher whenever you only need to operate on the underlying stored type. More...

Namespaces
	cudf
	cuDF interfaces

Macros
#define	CUDF_TYPE_MAPPING(Type, Id)
	Macro used to define a mapping between a concrete C++ type and a cudf::type_id enum. More...
#define	MAP_NUMERIC_SCALAR(Type)
	Macro used to define scalar type and scalar device type for cudf::numeric_scalar template class for numeric C++ types. More...
#define	MAP_TIMESTAMP_SCALAR(Type)
	Macro used to define scalar type and scalar device type for cudf::timestamp_scalar template class for timestamp C++ types. More...
#define	MAP_DURATION_SCALAR(Type)
	Macro used to define scalar type and scalar device type for cudf::duration_scalar template class for duration C++ types. More...

Typedefs
template<cudf::type_id Id>
using	cudf::id_to_type = typename id_to_type_impl< Id >::type
	Maps a cudf::type_id to its corresponding concrete C++ type. More...
template<typename T >
using	cudf::device_storage_type_t = std::conditional_t< std::is_same_v< numeric::decimal32, T >, int32_t, std::conditional_t< std::is_same_v< numeric::decimal64, T >, int64_t, std::conditional_t< std::is_same_v< numeric::decimal128, T >, __int128_t, T > >>
	"Returns" the corresponding type that is stored on the device when using cudf::column More...
template<typename T >
using	cudf::scalar_type_t = typename type_to_scalar_type_impl< T >::ScalarType
	Maps a C++ type to the scalar type required to hold its value. More...
template<typename T >
using	cudf::scalar_device_type_t = typename type_to_scalar_type_impl< T >::ScalarDeviceType
	Maps a C++ type to the scalar device type required to hold its value. More...

Functions
template<typename T >
constexpr type_id	cudf::type_to_id ()
	Maps a C++ type to its corresponding cudf::type_id More...
template<typename T >
constexpr bool	cudf::type_id_matches_device_storage_type (type_id id)
	Checks if fixed_point-like types have template type T matching the column's stored type id. More...
template<>
constexpr type_id	cudf::type_to_id< char > ()
	Specialization to map 'char' type to type_id::INT8. More...
template<template< cudf::type_id > typename IdTypeMap = id_to_type_impl, typename Functor , typename... Ts>
CUDF_HOST_DEVICE constexpr decltype(auto) __forceinline__	cudf::type_dispatcher (cudf::data_type dtype, Functor f, Ts &&... args)
	Invokes an operator() template with the type instantiation based on the specified cudf::data_type's id(). More...
template<template< cudf::type_id > typename IdTypeMap = id_to_type_impl, typename F , typename... Ts>
CUDF_HOST_DEVICE constexpr decltype(auto) __forceinline__	cudf::double_type_dispatcher (cudf::data_type type1, cudf::data_type type2, F &&f, Ts &&... args)
	Dispatches two type template parameters to a callable. More...
std::string	cudf::type_to_name (data_type type)
	Return a name for a given type. More...

Detailed Description

Defines the mapping between cudf::type_id runtime type information and concrete C++ types.

Definition in file type_dispatcher.hpp.