BitBully::TranspositionTable::Entry Struct Reference

One transposition-table slot. More...

#include <TranspositionTable.h>

Public Types
enum	NodeType { NONE = 0 , EXACT = 1 , LOWER = 2 , UPPER = 3 }
	Type of the bound stored in value. More...

Public Attributes
uint64_t	b
	Position UID (see Board::uid()).
NodeType	flag {NONE}
	Type of bound stored in value.
int	value
	Cached search score.
int8_t	searchDepth {0}
	Remaining search budget when the entry was stored.

Detailed Description

One transposition-table slot.

Definition at line 38 of file TranspositionTable.h.

Member Enumeration Documentation

NodeType

enum BitBully::TranspositionTable::Entry::NodeType

Type of the bound stored in value.

Enumerator
NONE	Empty slot.
EXACT	Exact score (PV node).
LOWER	Lower bound (fail-high cut node).
UPPER	Upper bound (fail-low all node).

Definition at line 42 of file TranspositionTable.h.

Member Data Documentation

b

uint64_t BitBully::TranspositionTable::Entry::b

Position UID (see Board::uid()).

Definition at line 48 of file TranspositionTable.h.

flag

NodeType BitBully::TranspositionTable::Entry::flag {NONE}

Type of bound stored in value.

Definition at line 49 of file TranspositionTable.h.

searchDepth

int8_t BitBully::TranspositionTable::Entry::searchDepth {0}

Remaining search budget when the entry was stored.

INT8_MAX denotes an unlimited (full) search.

Definition at line 56 of file TranspositionTable.h.

value

int BitBully::TranspositionTable::Entry::value

Cached search score.

Definition at line 50 of file TranspositionTable.h.

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

• src/TranspositionTable.h