Class representing data that can change. More...

#include <node.hpp>

Inheritance diagram for graph::variable_node< T, SAFE_MATH >:

Public Member Functions
	variable_node (const size_t s, const std::string &symbol)
	Construct a variable node with a size.

	variable_node (const size_t s, const T d, const std::string &symbol)
	Construct a variable node from a scalar.

	variable_node (const std::vector< T > &d, const std::string &symbol)
	Construct a variable node from a vector.

	variable_node (const backend::buffer< T > &d, const std::string &symbol)
	Construct a variable node from backend buffer.

virtual backend::buffer< T >	evaluate ()
	Evaluate method.

virtual shared_leaf< T, SAFE_MATH >	df (shared_leaf< T, SAFE_MATH > x)
	Transform node to derivative.

virtual void	compile_preamble (std::ostringstream &stream, jit::register_map &registers, jit::visiter_map &visited, jit::register_usage &usage, jit::texture1d_list &textures1d, jit::texture2d_list &textures2d, jit::preamble_map &pre_funcs, int &avail_const_mem)
	Compile preamble.

virtual shared_leaf< T, SAFE_MATH >	compile (std::ostringstream &stream, jit::register_map &registers, const jit::register_map &thread_mem, const jit::register_usage &usage)
	Compile the node.

virtual void	set (const T d)
	Set the value of variable data.

virtual void	set (const size_t index, const T d)
	Set the value of variable data.

virtual void	set (const std::vector< T > &d)
	Set the value of variable data.

virtual void	set (const backend::buffer< T > &d)
	Set the value of variable data.

std::string	get_symbol () const
	Get Symbol.

virtual void	to_latex () const
	Convert the node to latex.

virtual shared_leaf< T, SAFE_MATH >	to_vizgraph (std::stringstream &stream, jit::register_map &registers)
	Convert the node to vizgraph.

size_t	size ()
	Get the size of the variable buffer.

T *	data ()
	Get a pointer to raw buffer.

virtual bool	is_all_variables () const
	Test if node acts like a variable.

virtual bool	is_power_like () const
	Test if the node acts like a power of variable.

virtual shared_leaf< T, SAFE_MATH >	get_power_base ()
	Get the base of a power.

virtual shared_leaf< T, SAFE_MATH >	get_power_exponent () const
	Get the exponent of a power.

virtual void	endline (std::ostringstream &stream, const jit::register_usage &usage, const char end=';') const
	End a line in the kernel source.

Public Member Functions inherited from graph::leaf_node< T, SAFE_MATH >
	leaf_node (const std::string s, const size_t count, const bool pseudo)
	Construct a basic node.

virtual	~leaf_node ()
	Destructor.

virtual std::shared_ptr< leaf_node< T, SAFE_MATH > >	reduce ()
	Reduction method.

virtual std::shared_ptr< leaf_node< T, SAFE_MATH > >	df (std::shared_ptr< leaf_node< T, SAFE_MATH > > x)
	Transform node to derivative.

virtual bool	is_match (std::shared_ptr< leaf_node< T, SAFE_MATH > > x)
	Query if the nodes match.

bool	is_power_base_match (std::shared_ptr< leaf_node< T, SAFE_MATH > > x)
	Check if the base of the powers match.

virtual bool	is_constant () const
	Test if node is a constant.

virtual bool	has_constant_zero () const
	Test the constant node has a zero.

bool	is_normal ()
	Test if the result is normal.

size_t	get_hash () const
	Get the hash for the node.

size_t	get_complexity () const
	Get the number of nodes in the subgraph.

virtual bool	has_pseudo () const
	Query if the node contains pseudo variables.

virtual std::shared_ptr< leaf_node< T, SAFE_MATH > >	remove_pseudo ()
	Remove pseudo variable nodes.

Additional Inherited Members
Public Types inherited from graph::leaf_node< T, SAFE_MATH >
typedef T	base
	Type def to retrieve the backend type.

Static Public Attributes inherited from graph::leaf_node< T, SAFE_MATH >
static thread_local caches_t	caches
	A per thread instance of the cache structure.

Protected Attributes inherited from graph::leaf_node< T, SAFE_MATH >
const size_t	hash
	Hash for node.

const size_t	complexity
	Graph complexity.

std::unordered_map< size_t, std::shared_ptr< leaf_node< T, SAFE_MATH > > >	df_cache
	Cache derivative terms.

const bool	contains_pseudo
	Node contains pseudo variables.

Detailed Description

template<jit::float_scalar T, bool SAFE_MATH = false>
class graph::variable_node< T, SAFE_MATH >

Class representing data that can change.

Template Parameters

T	Base type of the calculation.
SAFE_MATH	Use Safe Math operations.

Constructor & Destructor Documentation

◆ variable_node() [1/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

graph::variable_node< T, SAFE_MATH >::variable_node	(	const size_t	s,
		const std::string &	symbol
	)

inline

Construct a variable node with a size.

Parameters

[in]	s	Size of the data buffer.
[in]	symbol	Symbol of the variable used in equations.

◆ variable_node() [2/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

graph::variable_node< T, SAFE_MATH >::variable_node	(	const size_t	s,
		const T	d,
		const std::string &	symbol
	)

inline

Construct a variable node from a scalar.

Parameters

[in]	s	Size of he data buffer.
[in]	d	Scalar data to initialize.
[in]	symbol	Symbol of the variable used in equations.

◆ variable_node() [3/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

graph::variable_node< T, SAFE_MATH >::variable_node	(	const std::vector< T > &	d,
		const std::string &	symbol
	)

inline

Construct a variable node from a vector.

Parameters

[in]	d	Array buffer.
[in]	symbol	Symbol of the variable used in equations.

◆ variable_node() [4/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

graph::variable_node< T, SAFE_MATH >::variable_node	(	const backend::buffer< T > &	d,
		const std::string &	symbol
	)

inline

Construct a variable node from backend buffer.

Parameters

[in]	d	Backend buffer.
[in]	symbol	Symbol of the variable used in equations.

Member Function Documentation

◆ compile()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual shared_leaf< T, SAFE_MATH > graph::variable_node< T, SAFE_MATH >::compile	(	std::ostringstream &	stream,
		jit::register_map &	registers,
		const jit::register_map &	thread_mem,
		const jit::register_usage &	usage
	)

inlinevirtual

Compile the node.

Parameters

[in,out]	stream	String buffer stream.
[in,out]	registers	List of defined registers.
[in]	thread_mem	List of defined thread memory registers.
[in]	usage	List of register usage count.

Returns: The current node.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ compile_preamble()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::compile_preamble	(	std::ostringstream &	stream,
		jit::register_map &	registers,
		jit::visiter_map &	visited,
		jit::register_usage &	usage,
		jit::texture1d_list &	textures1d,
		jit::texture2d_list &	textures2d,
		jit::preamble_map &	pre_funcs,
		int &	avail_const_mem
	)

inlinevirtual

Compile preamble.

Some nodes require additions to the preamble however most don't so define a generic method that does nothing.

Parameters

[in,out]	stream	String buffer stream.
[in,out]	registers	List of defined registers.
[in,out]	visited	List of visited nodes.
[in,out]	usage	List of register usage count.
[in,out]	textures1d	List of 1D textures.
[in,out]	textures2d	List of 2D textures.
[in,out]	pre_funcs	Set of preamble functions.
[in,out]	avail_const_mem	Available constant memory.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ data()

template<jit::float_scalar T, bool SAFE_MATH = false>

T * graph::variable_node< T, SAFE_MATH >::data ( )

inline

Get a pointer to raw buffer.

Returns: A buffer to the underlying data.

◆ df()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual shared_leaf< T, SAFE_MATH > graph::variable_node< T, SAFE_MATH >::df ( shared_leaf< T, SAFE_MATH > x )

inlinevirtual

Transform node to derivative.

Parameters

[in] x The variable to take the derivative to.

Returns: The derivative of the node.

◆ endline()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::endline	(	std::ostringstream &	stream,
		const jit::register_usage &	usage,
		const char	end = `';'`
	)		const

inlinevirtual

End a line in the kernel source.

Parameters

[in,out]	stream	String buffer stream.
[in]	usage	List of register usage count.
[in]	end	The end character.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ evaluate()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual backend::buffer< T > graph::variable_node< T, SAFE_MATH >::evaluate ( )

inlinevirtual

Evaluate method.

Returns: The evaluated value of the node.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ get_power_base()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual shared_leaf< T, SAFE_MATH > graph::variable_node< T, SAFE_MATH >::get_power_base ( )

inlinevirtual

Get the base of a power.

Returns: The base of a power like node.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ get_power_exponent()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual shared_leaf< T, SAFE_MATH > graph::variable_node< T, SAFE_MATH >::get_power_exponent ( ) const

inlinevirtual

Get the exponent of a power.

Returns: The exponent of a power like node.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ is_all_variables()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual bool graph::variable_node< T, SAFE_MATH >::is_all_variables ( ) const

inlinevirtual

Test if node acts like a variable.

Returns: True if the node acts like a variable.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ is_power_like()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual bool graph::variable_node< T, SAFE_MATH >::is_power_like ( ) const

inlinevirtual

Test if the node acts like a power of variable.

Returns: True.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ set() [1/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::set ( const backend::buffer< T > & d )

inlinevirtual

Set the value of variable data.

Parameters

[in] d Vector data to set.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ set() [2/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::set	(	const size_t	index,
		const T	d
	)

inlinevirtual

Set the value of variable data.

Parameters

[in]	index	Index to place the value at.
[in]	d	Scalar data to set.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ set() [3/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::set ( const std::vector< T > & d )

inlinevirtual

Set the value of variable data.

Parameters

[in] d Vector data to set.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ set() [4/4]

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::set ( const T d )

inlinevirtual

Set the value of variable data.

Parameters

[in] d Scalar data to set.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ to_latex()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual void graph::variable_node< T, SAFE_MATH >::to_latex ( ) const

inlinevirtual

Convert the node to latex.

Reimplemented from graph::leaf_node< T, SAFE_MATH >.

◆ to_vizgraph()

template<jit::float_scalar T, bool SAFE_MATH = false>

virtual shared_leaf< T, SAFE_MATH > graph::variable_node< T, SAFE_MATH >::to_vizgraph	(	std::stringstream &	stream,
		jit::register_map &	registers
	)

inlinevirtual

Convert the node to vizgraph.

Parameters

[in,out]	stream	String buffer stream.
[in,out]	registers	List of defined registers.

Returns: The current node.

Implements graph::leaf_node< T, SAFE_MATH >.

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

graph_framework/node.hpp

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ variable_node() [1/4]

◆ variable_node() [2/4]

◆ variable_node() [3/4]

◆ variable_node() [4/4]

Member Function Documentation

◆ compile()

◆ compile_preamble()

◆ data()

◆ df()

◆ endline()

◆ evaluate()

◆ get_power_base()

◆ get_power_exponent()

◆ is_all_variables()

◆ is_power_like()

◆ set() [1/4]

◆ set() [2/4]

◆ set() [3/4]

◆ set() [4/4]

◆ to_latex()

◆ to_vizgraph()