Pointer_datatype (
Datatype_uptr subtype )
Parameters
subtype
class
PDI::Pointer_datatype
Content
Member Types
Member Functions
Pointer_datatype ( Datatype_uptr subtype )Pointer_datatype ( std::function< void *(void *, const void *)> copy, std::function< void(void *)> destroy, Datatype_uptr subtype )size_t alignment ( )- Returns the required alignment for a type.
size_t buffersize ( )- Computes the data size of a type, including potentially unused memory from a sparse type.
Datatype_template_uptr clone ( )- Creates a new datatype as an exact copy of this one.
Datatype_uptr clone_type ( )- Creates a new datatype as an exact copy of this one.
void * data_from_dense_copy ( const void * from, void * to )- Creates a sparse deep copy of dense data.
void * data_to_dense_copy ( const void * from, void * to )- Creates a dense deep copy of data.
size_t datasize ( )- Computes the data size of a type, excluding potentially unused memory from a sparse type.
std::string debug_string ( )- Returns the datatype yaml representation as a string.
bool dense ( )- Indicate if the datatype is dense or not.
Datatype_uptr densify ( )- Creates a new datatype as the dense copy of this one.
Datatype_uptr dereference ( )void destroy_data ( void * ptr )- Function used to delete the data behind the datatype.
Datatype_uptr evaluate ( Context & ctx )- Creates a new datatype by resolving the value of all metadata references.
bool operator== ( const Datatype & other )- Test for equality.
bool simple ( )- Tells if data can be copied as bytes (if type is dense) and doesn't need a destroyer.
std::pair< void *, Datatype_uptr > subaccess_by_iterators ( void * from, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_begin, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_end )- Creates datatype of subtype and returns it with a moved pointer.
const Datatype & subtype ( )- Type of the pointed element.
Documentation
Member Functions
Pointer_datatype (
std::function< void *(void *, const void *)> copy, std::function< void(void *)> destroy, Datatype_uptr subtype )
Parameters
copydestroysubtype
size_t
alignment (
)
Description
Returns the required alignment for a type.
Result
the size in bytes
size_t
buffersize (
)
Description
Computes the data size of a type, including potentially unused memory from a sparse type.
Result
the size in bytes
Datatype_template_uptr
clone (
)
Description
Creates a new datatype as an exact copy of this one.
Result
the dense type that is produced
Datatype_uptr
clone_type (
)
Description
Creates a new datatype as an exact copy of this one.
Result
the dense type that is produced
void *
data_from_dense_copy (
const void * from, void * to )
Description
Creates a sparse deep copy of dense data.
Parameters
from- the pointer to the copied data (dense data)
to- the pointer to the allocated memory to fill (size of buffersize)
Result
updated ‘to’ pointer
void *
data_to_dense_copy (
const void * from, void * to )
Description
Creates a dense deep copy of data.
Parameters
from- the pointer to the copied data (size of buffersize)
to- the pointer to the allocated memory to fill (dense data)
Result
updated ‘to’ pointer
size_t
datasize (
)
Description
Computes the data size of a type, excluding potentially unused memory from a sparse type.
Result
the size in bytes
std::string
debug_string (
)
Description
Returns the datatype yaml representation as a string.
Result
the datatype yaml representation as a string
bool
dense (
)
Description
Indicate if the datatype is dense or not.
Result
whether the datatype is dense
Datatype_uptr
densify (
)
Description
Creates a new datatype as the dense copy of this one.
Result
the type that is produced
Datatype_uptr
dereference (
)
void
destroy_data (
void * ptr )
Description
Function used to delete the data behind the datatype.
This should not deallocate the memory.
Parameters
ptr- to the data to free
Datatype_uptr
evaluate (
Context & ctx )
Description
Creates a new datatype by resolving the value of all metadata references.
Parameters
ctx- the context in which to evaluate this template
Result
the evaluated type that is produced
bool
operator== (
const Datatype & other )
Description
Test for equality.
Parameters
other- the Datatype to compare
Result
true if the Datatype’s are equal
bool
simple (
)
Description
Tells if data can be copied as bytes (if type is dense) and doesn't need a destroyer.
Result
true if data has trivial copier and destroyer, false otherwise
std::pair< void *, Datatype_uptr >
subaccess_by_iterators (
void * from, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_begin, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_end )
Description
Creates datatype of subtype and returns it with a moved pointer.
Parameters
from- the pointer to the data
remaining_begin- iterator to the begin of remaining accessors
remaining_end- iterator to the end of remaining accessors
Result
pointer moved by offset and new datatype
const Datatype &
subtype (
)
Description
Type of the pointed element.
Result
the type of the pointed element
Last modified January 1, 0001
Pointer_datatype (
std::function< void *(void *, const void *)> copy, std::function< void(void *)> destroy, Datatype_uptr subtype )
Parameters
copydestroysubtype
size_t
alignment (
)
Description
Result
the size in bytes
size_t
buffersize (
)
Description
Result
the size in bytes
Datatype_template_uptr
clone (
)
Description
Result
the dense type that is produced
Datatype_uptr
clone_type (
)
Description
Result
the dense type that is produced
void *
data_from_dense_copy (
const void * from, void * to )
Description
Parameters
from- the pointer to the copied data (dense data)
to- the pointer to the allocated memory to fill (size of buffersize)
Result
updated ‘to’ pointer
void *
data_to_dense_copy (
const void * from, void * to )
Description
Parameters
from- the pointer to the copied data (size of buffersize)
to- the pointer to the allocated memory to fill (dense data)
Result
updated ‘to’ pointer
size_t
datasize (
)
Description
Result
the size in bytes
std::string
debug_string (
)
Description
Result
the datatype yaml representation as a string
bool
dense (
)
Description
Result
whether the datatype is dense
Datatype_uptr
densify (
)
Description
Result
the type that is produced
Datatype_uptr
dereference (
)
void
destroy_data (
void * ptr )
Description
Parameters
ptr- to the data to free
Datatype_uptr
evaluate (
Context & ctx )
Description
Parameters
ctx- the context in which to evaluate this template
Result
the evaluated type that is produced
bool
operator== (
const Datatype & other )
Description
Parameters
other- the Datatype to compare
Result
true if the Datatype’s are equal
bool
simple (
)
Description
Result
true if data has trivial copier and destroyer, false otherwise
std::pair< void *, Datatype_uptr >
subaccess_by_iterators (
void * from, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_begin, std::vector< std::unique_ptr< Accessor_base >>::const_iterator remaining_end )
Description
Parameters
from- the pointer to the data
remaining_begin- iterator to the begin of remaining accessors
remaining_end- iterator to the end of remaining accessors
Result
pointer moved by offset and new datatype
const Datatype &
subtype (
)
Description
Result
the type of the pointed element