Random state. More...

#include <random.hpp>

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

Classes
struct	mt_state
	Random state structure. More...

Public Member Functions
	random_state_node (const size_t size, const uint32_t seed=0)
	Construct a constant node from a vector.

virtual backend::buffer< T >	evaluate ()
	Evaluate the results of random_state_node.

virtual shared_leaf< T, SAFE_MATH >	reduce ()
	Reduce the random_state_node.

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, int &avail_const_mem)
	Compile preamble.

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

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.

virtual bool	is_all_variables () const
	Test if all the subnodes terminate in variables.

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

size_t	size ()
	Get the size of the random state vector in bytes.

size_t	get_size_bytes ()
	Get the size of the random state vector in bytes.

mt_state *	data ()
	Get the size of the random state vector in bytes.

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 > >	df (std::shared_ptr< leaf_node< T, SAFE_MATH > > x)=0
	Transform node to derivative.

virtual bool	is_match (std::shared_ptr< leaf_node< T, SAFE_MATH > > x)
	Querey 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 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.

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.

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

virtual std::shared_ptr< leaf_node< T, SAFE_MATH > >	get_power_base ()
	Get the base of a power.

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.

virtual void	endline (std::ostringstream &stream, const jit::register_usage &usage) const final
	End a line in the kernel source.

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::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::random_state_node< T, SAFE_MATH >

Random state.

Class representing a random_state_node leaf.

Template Parameters

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

Constructor & Destructor Documentation

◆ random_state_node()

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

graph::random_state_node< T, SAFE_MATH >::random_state_node	(	const size_t	size,
		const uint32_t	seed = `0`
	)

inline

Construct a constant node from a vector.

Parameters

[in]	size	Number of random states.
[in]	seed	Inital random seed.

Member Function Documentation

◆ compile()

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

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

inlinevirtual

Compile the node.

Parameters

[in,out]	stream	String buffer stream.
[in,out]	registers	List of defined registers.
[in,out]	indices	List of defined indices.
[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::random_state_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,
		int &	avail_const_mem
	)

inlinevirtual

Compile preamble.

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]	avail_const_mem	Available constant memory.

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

◆ data()

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

mt_state * graph::random_state_node< T, SAFE_MATH >::data ( )

inline

Get the size of the random state vector in bytes.

Returns: The size of the state vector in bytes.

◆ df()

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

virtual shared_leaf< T, SAFE_MATH > graph::random_state_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.

◆ evaluate()

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

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

inlinevirtual

Evaluate the results of random_state_node.

Returns: The value of random_state.

Implements 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::random_state_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 >.

◆ get_size_bytes()

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

size_t graph::random_state_node< T, SAFE_MATH >::get_size_bytes ( )

inline

Get the size of the random state vector in bytes.

Returns: The size of the state vector in bytes.

◆ is_all_variables()

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

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

inlinevirtual

Test if all the subnodes terminate in variables.

Returns: True if all the subnodes terminate in variables.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ reduce()

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

virtual shared_leaf< T, SAFE_MATH > graph::random_state_node< T, SAFE_MATH >::reduce ( )

inlinevirtual

Reduce the random_state_node.

Returns: Reduced graph from random_state.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ size()

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

size_t graph::random_state_node< T, SAFE_MATH >::size ( )

inline

Get the size of the random state vector in bytes.

Returns: The size of the state vector in bytes.

◆ to_latex()

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

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

inlinevirtual

Convert the node to latex.

Implements graph::leaf_node< T, SAFE_MATH >.

◆ to_vizgraph()

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

virtual shared_leaf< T, SAFE_MATH > graph::random_state_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/random.hpp

Classes

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ random_state_node()

Member Function Documentation

◆ compile()

◆ compile_preamble()

◆ data()

◆ df()

◆ evaluate()

◆ get_power_exponent()

◆ get_size_bytes()

◆ is_all_variables()

◆ reduce()

◆ size()

◆ to_latex()

◆ to_vizgraph()