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Change hashing operator % to &

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stefiosif
2025-04-04 18:00:55 +03:00
parent 6b009383fe
commit 5966b1984c
1 changed files with 2 additions and 2 deletions
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4
src/search/transposition_table.rs
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@@ -25,12 +25,12 @@ impl TranspositionTable {
pub fn lookup(&self, zobrist_hash: ZobristHash) -> Option<TTEntry> { pub fn lookup(&self, zobrist_hash: ZobristHash) -> Option<TTEntry> {
self.positions self.positions
.get((zobrist_hash.0 % self.size) as usize) .get((zobrist_hash.0 & (self.size - 1)) as usize)
.and_then(|entry| *entry) .and_then(|entry| *entry)
} }
pub fn insert(&mut self, entry: TTEntry) { pub fn insert(&mut self, entry: TTEntry) {
let idx = (entry.hash.0 % self.size) as usize; let idx = (entry.hash.0 & (self.size - 1)) as usize;
self.positions[idx] = Some(entry); self.positions[idx] = Some(entry);
} }
} }