libcudf  24.04.00
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
cudf::detail::fixed_width_scalar_device_view_base Class Reference

A type-erased scalar_device_view where the value is a fixed width type. More...

Inheritance diagram for cudf::detail::fixed_width_scalar_device_view_base:
cudf::detail::scalar_device_view_base cudf::detail::fixed_width_scalar_device_view< T > cudf::duration_scalar_device_view< T > cudf::numeric_scalar_device_view< T > cudf::timestamp_scalar_device_view< T >

Public Member Functions

template<typename T >
T & value () noexcept
 Returns reference to stored value. More...
 
template<typename T >
T const & value () const noexcept
 Returns const reference to stored value. More...
 
template<typename T >
void set_value (T value)
 Stores the value in scalar. More...
 
template<typename T >
T * data () noexcept
 Returns a raw pointer to the value in device memory. More...
 
template<typename T >
T const * data () const noexcept
 Returns a const raw pointer to the value in device memory. More...
 
- Public Member Functions inherited from cudf::detail::scalar_device_view_base
data_type type () const noexcept
 Returns the value type. More...
 
bool is_valid () const noexcept
 Returns whether the scalar holds a valid value (i.e., not null). More...
 
void set_valid (bool is_valid) noexcept
 Updates the validity of the value. More...
 

Protected Member Functions

 fixed_width_scalar_device_view_base (data_type type, void *data, bool *is_valid)
 Construct a new fixed width scalar device view object. More...
 
- Protected Member Functions inherited from cudf::detail::scalar_device_view_base
 scalar_device_view_base (data_type type, bool *is_valid)
 Construct a new scalar device view base object from a device pointer and a validity boolean. More...
 

Protected Attributes

void * _data {}
 Pointer to device memory containing the value.
 
- Protected Attributes inherited from cudf::detail::scalar_device_view_base
data_type _type {type_id::EMPTY}
 Value data type.
 
bool * _is_valid {}
 

Detailed Description

A type-erased scalar_device_view where the value is a fixed width type.

Definition at line 80 of file scalar_device_view.cuh.

Constructor & Destructor Documentation

◆ fixed_width_scalar_device_view_base()

cudf::detail::fixed_width_scalar_device_view_base::fixed_width_scalar_device_view_base ( data_type  type,
void *  data,
bool *  is_valid 
)
inlineprotected

Construct a new fixed width scalar device view object.

This constructor should not be used directly. get_scalar_device_view should be used to get the view of an existing scalar

Parameters
typeThe data type of the value
dataThe pointer to the data in device memory
is_validThe pointer to the bool in device memory that indicates the validity of the stored value

Definition at line 156 of file scalar_device_view.cuh.

Member Function Documentation

◆ data() [1/2]

template<typename T >
T const* cudf::detail::fixed_width_scalar_device_view_base::data ( ) const
inlinenoexcept

Returns a const raw pointer to the value in device memory.

Template Parameters
TThe desired type
Returns
Const raw pointer to the value in device memory

Definition at line 137 of file scalar_device_view.cuh.

◆ data() [2/2]

template<typename T >
T* cudf::detail::fixed_width_scalar_device_view_base::data ( )
inlinenoexcept

Returns a raw pointer to the value in device memory.

Template Parameters
TThe desired type
Returns
Raw pointer to the value in device memory

Definition at line 125 of file scalar_device_view.cuh.

◆ set_value()

template<typename T >
void cudf::detail::fixed_width_scalar_device_view_base::set_value ( value)
inline

Stores the value in scalar.

Template Parameters
TThe desired type
Parameters
valueThe value to store in scalar

Definition at line 113 of file scalar_device_view.cuh.

◆ value() [1/2]

template<typename T >
T const& cudf::detail::fixed_width_scalar_device_view_base::value ( ) const
inlinenoexcept

Returns const reference to stored value.

Template Parameters
TThe desired type
Returns
Const reference to stored value

Definition at line 101 of file scalar_device_view.cuh.

◆ value() [2/2]

template<typename T >
T& cudf::detail::fixed_width_scalar_device_view_base::value ( )
inlinenoexcept

Returns reference to stored value.

Template Parameters
TThe desired type
Returns
Reference to stored value

Definition at line 89 of file scalar_device_view.cuh.


The documentation for this class was generated from the following file: