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Code Issues Releases Wiki Activity

Retire init_piece_square_tables()

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Merge in init_zobrist() and rename the latter.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2011-06-13 16:59:03 +02:00
parent a24c0a736c
commit fc519ca74a
3 changed files with 10 additions and 18 deletions
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3
src/main.cpp
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@ -51,8 +51,7 @@ int main(int argc, char* argv[]) {
// Startup initializations
init_bitboards();
Position::init_zobrist();
Position::init_piece_square_tables();
Position::init();
init_kpk_bitbase();
init_search();
Threads.init();

20
src/position.cpp
View file

@ -1788,10 +1788,14 @@ bool Position::is_mate() const {
}
/// Position::init_zobrist() is a static member function which initializes at
/// startup the various arrays used to compute hash keys.
/// Position::init() is a static member function which initializes at
/// startup the various arrays used to compute hash keys and the piece
/// square tables. The latter is a two-step operation: First, the white
/// halves of the tables are copied from the MgPST[][] and EgPST[][] arrays.
/// Second, the black halves of the tables are initialized by mirroring
/// and changing the sign of the corresponding white scores.
void Position::init_zobrist() {
void Position::init() {
RKISS rk;
@ -1808,16 +1812,6 @@ void Position::init_zobrist() {
zobSideToMove = rk.rand<Key>();
zobExclusion = rk.rand<Key>();
}
/// Position::init_piece_square_tables() initializes the piece square tables.
/// This is a two-step operation: First, the white halves of the tables are
/// copied from the MgPST[][] and EgPST[][] arrays. Second, the black halves
/// of the tables are initialized by mirroring and changing the sign of the
/// corresponding white scores.
void Position::init_piece_square_tables() {
for (Square s = SQ_A1; s <= SQ_H8; s++)
for (Piece p = WP; p <= WK; p++)

5
src/position.h
View file

@ -247,9 +247,8 @@ public:
// Position consistency check, for debugging
bool is_ok(int* failedStep = NULL) const;
// Static member functions
static void init_zobrist();
static void init_piece_square_tables();
// Global initialization
static void init();
private: