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DroidFish: Updated stockfish to version 2.3.

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This commit is contained in:
Peter Osterlund
2012-09-16 15:16:15 +00:00
parent 41e7a6922c
commit a7bd973995
36 changed files with 1465 additions and 1495 deletions
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10
DroidFish/jni/stockfish/bitbase.cpp
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@@ -62,14 +62,14 @@ namespace {
}
uint32_t probe_kpk_bitbase(Square wksq, Square wpsq, Square bksq, Color stm) {
uint32_t Bitbases::probe_kpk(Square wksq, Square wpsq, Square bksq, Color stm) {
int idx = index(wksq, bksq, wpsq, stm);
return KPKBitbase[idx / 32] & (1 << (idx & 31));
}
void kpk_bitbase_init() {
void Bitbases::init_kpk() {
Result db[IndexMax];
KPKPosition pos;
@@ -117,7 +117,7 @@ namespace {
stm = Color(idx & 1);
bksq = Square((idx >> 1) & 63);
wksq = Square((idx >> 7) & 63);
psq = make_square(File((idx >> 13) & 3), Rank((idx >> 15) + 1));
psq = File((idx >> 13) & 3) | Rank((idx >> 15) + 1);
}
Result KPKPosition::classify_leaf(int idx) {
@@ -196,8 +196,8 @@ namespace {
while (b)
{
r |= Us == WHITE ? db[index(pop_1st_bit(&b), bksq, psq, BLACK)]
: db[index(wksq, pop_1st_bit(&b), psq, WHITE)];
r |= Us == WHITE ? db[index(pop_lsb(&b), bksq, psq, BLACK)]
: db[index(wksq, pop_lsb(&b), psq, WHITE)];
if (Us == WHITE && (r & WIN))
return WIN;