semantics::Semantic_step_proposal Class Reference

#include <Semantic_step_proposal.h>

Public Types
typedef boost::shared_ptr < Semantic_step_proposal >	Self_ptr
typedef Elaboration_tree::Elab_ptr	Elab_ptr
typedef Elaboration_tree::Elab_ptr_const	Elab_ptr_const
typedef Syntactic_event::Event_ptr	Syn_event_ptr
typedef Semantic_step_event::Event_ptr	Sem_event_ptr
typedef boost::tuple < Step_code_t, Elab_ptr_const, Sem_event_ptr, Syn_event_ptr >	Proposal
typedef boost::array< Proposal, Step_code::NUM_STEPS >	Proposal_array
typedef Elaboration_tree::Step_result	Step_result
typedef boost::random::discrete_distribution	Proposal_dist

Public Member Functions
	Semantic_step_proposal ()
bool	propose (const Elab_ptr_const semantic_parent, const Sem_event_ptr sem_event, const Syn_event_ptr syn_event, const Step_code_t &curr_step, const bool &tree_is_altered, const bool &collins=false)
	generate a proposal and store the result and the log prob More...
Proposal	state ()
double	prob ()

Static Public Member Functions
static double	evaluate_a_proposal (const Elab_ptr_const semantic_parent, const Sem_event_ptr sem_event, const Syn_event_ptr syn_event, const Step_code_t step, const bool &tree_is_altered, const bool &collins=false)
	given the current step, compute the probability of proposing it More...
static const double &	min_prob ()
	a smoothing factor More...
static const double &	mutability_prob ()
	probability of initiating a move for a subtree More...

Static Public Attributes
static boost::mt19937	urng = boost::mt19937(std::time(0))
static bool	VERBOSE = false
	Member definitions. More...

Member Typedef Documentation

typedef Elaboration_tree::Elab_ptr semantics::Semantic_step_proposal::Elab_ptr

typedef Elaboration_tree::Elab_ptr_const semantics::Semantic_step_proposal::Elab_ptr_const

typedef boost::tuple<Step_code_t, Elab_ptr_const, Sem_event_ptr, Syn_event_ptr> semantics::Semantic_step_proposal::Proposal

typedef boost::array<Proposal, Step_code::NUM_STEPS> semantics::Semantic_step_proposal::Proposal_array

typedef boost::random::discrete_distribution semantics::Semantic_step_proposal::Proposal_dist

typedef boost::shared_ptr<Semantic_step_proposal> semantics::Semantic_step_proposal::Self_ptr

typedef Semantic_step_event::Event_ptr semantics::Semantic_step_proposal::Sem_event_ptr

typedef Elaboration_tree::Step_result semantics::Semantic_step_proposal::Step_result

typedef Syntactic_event::Event_ptr semantics::Semantic_step_proposal::Syn_event_ptr

Constructor & Destructor Documentation

semantics::Semantic_step_proposal::Semantic_step_proposal

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Member Function Documentation

double semantics::Semantic_step_proposal::evaluate_a_proposal ( const Elab_ptr_const  semantic_parent, const Sem_event_ptr  sem_event, const Syn_event_ptr  syn_event, const Step_code_t  step, const bool &  tree_is_altered, const bool &  collins = false  )

static

given the current step, compute the probability of proposing it

Parameters

sem_event	pointer to the current semantic event
syn_event	pointer to the current syntactic event
step	the code of the step being evaluated

Returns

the log probability of proposing the current step code

static const double& semantics::Semantic_step_proposal::min_prob ( )

inlinestatic

a smoothing factor

static const double& semantics::Semantic_step_proposal::mutability_prob ( )

inlinestatic

probability of initiating a move for a subtree

double semantics::Semantic_step_proposal::prob ( )

inline

bool semantics::Semantic_step_proposal::propose	(	const Elab_ptr_const	semantic_parent,
		const Sem_event_ptr	sem_event,
		const Syn_event_ptr	syn_event,
		const Step_code_t &	curr_step,
		const bool &	tree_is_altered,
		const bool &	collins = false
	)

generate a proposal and store the result and the log prob

Parameters

semantic_parent	the semantic node which is the starting point
sem_event	ptr to the semantic event object currently in use
syn_event	ptr to the syntactic event object currently in use

Proposal semantics::Semantic_step_proposal::state ( )

inline

Member Data Documentation

boost::mt19937 semantics::Semantic_step_proposal::urng = boost::mt19937(std::time(0))

static

bool semantics::Semantic_step_proposal::VERBOSE = false

static

Member definitions.

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

• /work/kobus/src/lib/semantics/Semantic_step_proposal.h
• /work/kobus/src/lib/semantics/Semantic_step_proposal.cpp