HCha/Stockfish
1
0
Fork 0
mirror of https://github.com/HChaZZY/Stockfish.git synced 2025-12-17 07:36:23 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix crash when reaching max ply

Browse Source 
Bug introduced in 1b7223a53c that
updated the ss base stack without increasing
the dimension.

No functional change.
This commit is contained in:
Tom Vijlbrief
2013-08-19 16:53:06 +02:00
committed by Marco Costalba
parent 8c2fd2170a
commit f45eee318b
2 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/search.cpp
View File

@@ -303,7 +303,7 @@ namespace {
void id_loop(Position& pos) { void id_loop(Position& pos) {
Stack stack[MAX_PLY_PLUS_3], *ss = stack+2; // To allow referencing (ss-2) Stack stack[MAX_PLY_PLUS_6], *ss = stack+2; // To allow referencing (ss-2)
int depth, prevBestMoveChanges; int depth, prevBestMoveChanges;
Value bestValue, alpha, beta, delta; Value bestValue, alpha, beta, delta;
@@ -1575,7 +1575,7 @@ moves_loop: // When in check and at SpNode search starts from here
void RootMove::extract_pv_from_tt(Position& pos) { void RootMove::extract_pv_from_tt(Position& pos) {
StateInfo state[MAX_PLY_PLUS_3], *st = state; StateInfo state[MAX_PLY_PLUS_6], *st = state;
const TTEntry* tte; const TTEntry* tte;
int ply = 0; int ply = 0;
Move m = pv[0]; Move m = pv[0];
@@ -1608,7 +1608,7 @@ void RootMove::extract_pv_from_tt(Position& pos) {
void RootMove::insert_pv_in_tt(Position& pos) { void RootMove::insert_pv_in_tt(Position& pos) {
StateInfo state[MAX_PLY_PLUS_3], *st = state; StateInfo state[MAX_PLY_PLUS_6], *st = state;
const TTEntry* tte; const TTEntry* tte;
int ply = 0; int ply = 0;
@@ -1683,7 +1683,7 @@ void Thread::idle_loop() {
Threads.mutex.unlock(); Threads.mutex.unlock();
Stack stack[MAX_PLY_PLUS_3], *ss = stack+2; // To allow referencing (ss-2) Stack stack[MAX_PLY_PLUS_6], *ss = stack+2; // To allow referencing (ss-2)
Position pos(*sp->pos, this); Position pos(*sp->pos, this);
std::memcpy(ss-2, sp->ss-2, 5 * sizeof(Stack)); std::memcpy(ss-2, sp->ss-2, 5 * sizeof(Stack));

2
src/types.h
View File

@@ -90,7 +90,7 @@ typedef uint64_t Bitboard;
const int MAX_MOVES = 192; const int MAX_MOVES = 192;
const int MAX_PLY = 100; const int MAX_PLY = 100;
const int MAX_PLY_PLUS_3 = MAX_PLY + 3; const int MAX_PLY_PLUS_6 = MAX_PLY + 6;
/// A move needs 16 bits to be stored /// A move needs 16 bits to be stored
/// ///