Remove HistoryStats

[stockfish] / src / bitboard.cpp

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 334ea879eabe6011eca8933780ce9d5763880306..e329ab52a79439710ef1771ecc4ac3be08442c0b 100644 (file)
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -78,7 +78,7 @@ namespace {
 
   // popcount16() counts the non-zero bits using SWAR-Popcount algorithm
 
-  uint8_t popcount16(uint16_t u) {
+  unsigned popcount16(unsigned u) {
     u -= (u >> 1) & 0x5555U;
     u = ((u >> 2) & 0x3333U) + (u & 0x3333U);
     u = ((u >> 4) + u) & 0x0F0FU;
@@ -152,7 +152,7 @@ const std::string Bitboards::pretty(Bitboard b) {
 void Bitboards::init() {
 
   for (unsigned i = 0; i < (1 << 16); ++i)
-      PopCnt16[i] = popcount16(i);
+      PopCnt16[i] = (uint8_t) popcount16(i);
 
   for (Square s = SQ_A1; s <= SQ_H8; ++s)
   {
@@ -205,8 +205,8 @@ void Bitboards::init() {
                       StepAttacksBB[make_piece(c, pt)][s] |= to;
               }
 
-  Square RookDeltas[] = { DELTA_N,  DELTA_E,  DELTA_S,  DELTA_W  };
-  Square BishopDeltas[] = { DELTA_NE, DELTA_SE, DELTA_SW, DELTA_NW };
+  Square RookDeltas[] = { NORTH,  EAST,  SOUTH,  WEST  };
+  Square BishopDeltas[] = { NORTH_EAST, SOUTH_EAST, SOUTH_WEST, NORTH_WEST };
 
   init_magics(RookTable, RookAttacks, RookMagics, RookMasks, RookShifts, RookDeltas, magic_index<ROOK>);
   init_magics(BishopTable, BishopAttacks, BishopMagics, BishopMasks, BishopShifts, BishopDeltas, magic_index<BISHOP>);