CB_EVAL Namespace Reference

Classes
struct	label

Functions
float	weight (void *v)
size_t	read_cached_label (shared_data *sd, void *v, io_buf &cache)
void	cache_label (void *v, io_buf &cache)
void	default_label (void *v)
bool	test_label (void *v)
void	delete_label (void *v)
void	copy_label (void *dst, void *src)
void	parse_label (parser *p, shared_data *sd, void *v, v_array< substring > &words)

Variables
label_parser	cb_eval

Function Documentation

cache_label()

void CB_EVAL::cache_label	(	void *	v,
		io_buf &	cache
	)

Definition at line 239 of file cb.cc.

References CB_EVAL::label::action, io_buf::buf_write(), c, CB::cache_label(), and CB_EVAL::label::event.

{
  char* c;
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  cache.buf_write(c, sizeof(uint32_t));
  *(uint32_t*)c = ld->action;

  CB::cache_label(&(ld->event), cache);
}

copy_label()

void CB_EVAL::copy_label	(	void *	dst,
		void *	src
	)

Definition at line 268 of file cb.cc.

References CB_EVAL::label::action, CB::copy_label(), and CB_EVAL::label::event.

{
  CB_EVAL::label* ldD = (CB_EVAL::label*)dst;
  CB_EVAL::label* ldS = (CB_EVAL::label*)src;
  CB::copy_label(&(ldD->event), &(ldS)->event);
  ldD->action = ldS->action;
}

default_label()

void CB_EVAL::default_label

(

void *

v

)

Definition at line 249 of file cb.cc.

References CB_EVAL::label::action, CB::default_label(), and CB_EVAL::label::event.

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  CB::default_label(&(ld->event));
  ld->action = 0;
}

delete_label()

void CB_EVAL::delete_label

(

void *

v

)

Definition at line 262 of file cb.cc.

References CB::delete_label(), and CB_EVAL::label::event.

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  CB::delete_label(&(ld->event));
}

parse_label()

void CB_EVAL::parse_label	(	parser *	p,
		shared_data *	sd,
		void *	v,
		v_array< substring > &	words
	)

Definition at line 276 of file cb.cc.

References CB_EVAL::label::action, v_array< T >::begin(), CB_EVAL::label::event, hashstring(), CB::parse_label(), v_array< T >::size(), and THROW.

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;

  if (words.size() < 2)
    THROW("Evaluation can not happen without an action and an exploration");

  ld->action = (uint32_t)hashstring(words[0], 0);

  words.begin()++;

  CB::parse_label(p, sd, &(ld->event), words);

  words.begin()--;
}

read_cached_label()

size_t CB_EVAL::read_cached_label	(	shared_data *	sd,
		void *	v,
		io_buf &	cache
	)

Definition at line 227 of file cb.cc.

References CB_EVAL::label::action, io_buf::buf_read(), c, CB_EVAL::label::event, and CB::read_cached_label().

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  char* c;
  size_t total = sizeof(uint32_t);
  if (cache.buf_read(c, total) < total)
    return 0;
  ld->action = *(uint32_t*)c;

  return total + CB::read_cached_label(sd, &(ld->event), cache);
}

test_label()

bool CB_EVAL::test_label

(

void *

v

)

Definition at line 256 of file cb.cc.

References CB_EVAL::label::event, and CB::test_label().

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  return CB::test_label(&ld->event);
}

weight()

float CB_EVAL::weight

(

void *

v

)

Definition at line 221 of file cb.cc.

References CB_EVAL::label::event, and CB::label::weight.

{
  CB_EVAL::label* ld = (CB_EVAL::label*)v;
  return ld->event.weight;
}

Variable Documentation

cb_eval

label_parser CB_EVAL::cb_eval

Initial value:

= {default_label, parse_label, cache_label, read_cached_label, delete_label, weight, copy_label,
    test_label, sizeof(CB_EVAL::label)}

Definition at line 292 of file cb.cc.

Referenced by cb_algs_setup().