sdfg::types::Tensor Class Reference

#include <sdfg/types/tensor.h>

Inheritance diagram for sdfg::types::Tensor:

Public Member Functions
	Tensor (const Scalar &element_type, const symbolic::MultiExpression &shape)
	Tensor (const Scalar &element_type, const math::tensor::TensorLayout &layout)
	Tensor (const Scalar &element_type, const symbolic::MultiExpression &shape, const symbolic::MultiExpression &strides, const symbolic::Expression &offset=symbolic::zero())
	Tensor (StorageType storage_type, size_t alignment, const std::string &initializer, const Scalar &element_type, const math::tensor::TensorLayout &layout)
	Tensor (StorageType storage_type, size_t alignment, const std::string &initializer, const Scalar &element_type, const symbolic::MultiExpression &shape, const symbolic::MultiExpression &strides, const symbolic::Expression &offset=symbolic::zero())
virtual PrimitiveType	primitive_type () const override
	Returns the primitive type for this type.
virtual TypeID	type_id () const override
	Returns the TypeID for runtime type identification.
virtual bool	is_symbol () const override
	Checks if this type represents a symbolic/integer type.
bool	is_pointer_like () const override
	Checks if this is a pointer or a structure behaves like a pointer.
const Scalar &	element_type () const
const math::tensor::TensorLayout &	layout () const
const symbolic::MultiExpression &	shape () const
const symbolic::MultiExpression &	strides () const
const symbolic::Expression &	offset () const
symbolic::Expression	total_elements () const
symbolic::Expression	total_size () const
bool	is_scalar () const
bool	is_contiguous () const
bool	is_tight () const
virtual bool	operator== (const IType &other) const override
	Compares two types for equality.
virtual std::unique_ptr< IType >	clone () const override
	Creates a deep copy of this type.
virtual std::string	print () const override
	Returns a string representation of this type.
std::unique_ptr< Tensor >	newaxis (size_t axis) const
std::unique_ptr< Tensor >	flip (size_t axis) const
std::unique_ptr< Tensor >	unsqueeze (size_t axis) const
std::unique_ptr< Tensor >	squeeze (size_t axis) const
std::unique_ptr< Tensor >	squeeze () const
std::unique_ptr< Tensor >	reshape (const symbolic::MultiExpression &new_shape) const
std::unique_ptr< Tensor >	broadcast (const symbolic::MultiExpression &ref_shape) const
	Broadcast this tensor to a bigger shape with strides correctly set.
virtual void	replace_symbols (const symbolic::Expression old_expression, const symbolic::Expression new_expression) override
	Replace symbolic expressions on this type.
virtual void	replace_symbols (const symbolic::ExpressionMapping &replacements) override
Public Member Functions inherited from sdfg::types::IType
	IType (StorageType storage_type=StorageType::CPU_Stack(), size_t alignment=0, const std::string &initializer="")
	Constructs an IType with optional storage, alignment, and initializer.
virtual	~IType ()=default
	Virtual destructor for proper cleanup of derived classes.
StorageType	storage_type () const
	Gets the storage type (const version).
StorageType &	storage_type ()
	Gets the storage type (mutable reference).
void	storage_type (const StorageType &storage_type)
	Sets the storage type.
size_t	alignment () const
	Gets the alignment requirement in bytes.
void	alignment (size_t alignment)
	Sets the alignment requirement in bytes.
std::string	initializer () const
	Gets the initializer expression.
void	initializer (const std::string &initializer)
	Sets the initializer expression.

Static Public Member Functions
static symbolic::MultiExpression	strides_from_shape (const symbolic::MultiExpression &shape)

Additional Inherited Members
Protected Attributes inherited from sdfg::types::IType
StorageType	storage_type_
	Where and how the data is stored.
size_t	alignment_
	Memory alignment requirement in bytes.
std::string	initializer_
	Optional initializer expression.

Constructor & Destructor Documentation

Tensor() [1/5]

sdfg::types::Tensor::Tensor	(	const Scalar &	element_type,
		const symbolic::MultiExpression &	shape )

Deprecated

use TensorLayout

Tensor() [2/5]

sdfg::types::Tensor::Tensor	(	const Scalar &	element_type,
		const math::tensor::TensorLayout &	layout )

Tensor() [3/5]

sdfg::types::Tensor::Tensor	(	const Scalar &	element_type,
		const symbolic::MultiExpression &	shape,
		const symbolic::MultiExpression &	strides,
		const symbolic::Expression &	offset = symbolic::zero() )

Deprecated

use TensorLayout

Tensor() [4/5]

sdfg::types::Tensor::Tensor	(	StorageType	storage_type,
		size_t	alignment,
		const std::string &	initializer,
		const Scalar &	element_type,
		const math::tensor::TensorLayout &	layout )

Tensor() [5/5]

sdfg::types::Tensor::Tensor	(	StorageType	storage_type,
		size_t	alignment,
		const std::string &	initializer,
		const Scalar &	element_type,
		const symbolic::MultiExpression &	shape,
		const symbolic::MultiExpression &	strides,
		const symbolic::Expression &	offset = symbolic::zero() )

Deprecated

use TensorLayout

Member Function Documentation

broadcast()

std::unique_ptr< Tensor > sdfg::types::Tensor::broadcast

(

const symbolic::MultiExpression &

ref_shape

)

const

Broadcast this tensor to a bigger shape with strides correctly set.

clone()

virtual std::unique_ptr< IType > sdfg::types::Tensor::clone ( ) const

overridevirtual

Creates a deep copy of this type.

Returns

A unique pointer to a new type object with the same properties

Implements sdfg::types::IType.

element_type()

const Scalar & sdfg::types::Tensor::element_type

(

)

const

flip()

std::unique_ptr< Tensor > sdfg::types::Tensor::flip

(

size_t

axis

)

const

is_contiguous()

bool sdfg::types::Tensor::is_contiguous

(

)

const

Returns

True iff the strides are basic strides

is_pointer_like()

bool sdfg::types::Tensor::is_pointer_like ( ) const

inlineoverridevirtual

Checks if this is a pointer or a structure behaves like a pointer.

Some structures may have pointer-like semantics in certain contexts.

Implements sdfg::types::IType.

is_scalar()

bool sdfg::types::Tensor::is_scalar

(

)

const

is_symbol()

virtual bool sdfg::types::Tensor::is_symbol ( ) const

overridevirtual

Checks if this type represents a symbolic/integer type.

Symbolic types are integer types that can be used in symbolic expressions and loop bounds.

Returns

true if this is a symbolic integer type, false otherwise

Implements sdfg::types::IType.

is_tight()

bool sdfg::types::Tensor::is_tight

(

)

const

Returns

True iff contiguous and offset is zero

layout()

const math::tensor::TensorLayout & sdfg::types::Tensor::layout

(

)

const

newaxis()

std::unique_ptr< Tensor > sdfg::types::Tensor::newaxis

(

size_t

axis

)

const

offset()

const symbolic::Expression & sdfg::types::Tensor::offset

(

)

const

Deprecated

use TensorLayout

operator==()

virtual bool sdfg::types::Tensor::operator== ( const IType & other ) const

overridevirtual

Compares two types for equality.

Parameters

other

The type to compare with

Returns

true if the types are equal, false otherwise

Implements sdfg::types::IType.

primitive_type()

virtual PrimitiveType sdfg::types::Tensor::primitive_type ( ) const

overridevirtual

Returns the primitive type for this type.

For scalar types, this returns the actual primitive type. For composite types (arrays, pointers, etc.), this returns the primitive type of the innermost element.

Returns

The primitive type

Implements sdfg::types::IType.

print()

virtual std::string sdfg::types::Tensor::print ( ) const

overridevirtual

Returns a string representation of this type.

Returns

A human-readable string describing this type

Implements sdfg::types::IType.

replace_symbols() [1/2]

virtual void sdfg::types::Tensor::replace_symbols ( const symbolic::Expression old_expression, const symbolic::Expression new_expression )

overridevirtual

Replace symbolic expressions on this type.

Parameters

old_expression	Expression to replace
new_expression	Replacement expression

Replaces occurrences of symbolic expressions on the type.

Implements sdfg::types::IType.

replace_symbols() [2/2]

virtual void sdfg::types::Tensor::replace_symbols ( const symbolic::ExpressionMapping & replacements )

overridevirtual

Implements sdfg::types::IType.

reshape()

std::unique_ptr< Tensor > sdfg::types::Tensor::reshape

(

const symbolic::MultiExpression &

new_shape

)

const

shape()

const symbolic::MultiExpression & sdfg::types::Tensor::shape

(

)

const

Deprecated

use TensorLayout

squeeze() [1/2]

std::unique_ptr< Tensor > sdfg::types::Tensor::squeeze

(

)

const

squeeze() [2/2]

std::unique_ptr< Tensor > sdfg::types::Tensor::squeeze

(

size_t

axis

)

const

strides()

const symbolic::MultiExpression & sdfg::types::Tensor::strides

(

)

const

Deprecated

use TensorLayout

strides_from_shape()

symbolic::MultiExpression sdfg::types::Tensor::strides_from_shape ( const symbolic::MultiExpression & shape )

static

total_elements()

symbolic::Expression sdfg::types::Tensor::total_elements

(

)

const

total_size()

symbolic::Expression sdfg::types::Tensor::total_size

(

)

const

type_id()

virtual TypeID sdfg::types::Tensor::type_id ( ) const

overridevirtual

Returns the TypeID for runtime type identification.

Returns

The TypeID enum value for this type

Implements sdfg::types::IType.

unsqueeze()

std::unique_ptr< Tensor > sdfg::types::Tensor::unsqueeze

(

size_t

axis

)

const

---

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

• sdfg/include/sdfg/types/tensor.h