X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=4e5de7f72f71214aa63c6616b960c7cd18464c58;hp=cd0d361953663f2aeaf911662b430fa62e83ecaa;hb=45b0aea875860e9f0fe2d0435ee6163906639194;hpb=bcbc9bfd1f5efeaa3f1e0b020e405f11984e72ec
diff --git a/src/types.h b/src/types.h
index cd0d3619..4e5de7f7 100644
--- a/src/types.h
+++ b/src/types.h
@@ -17,7 +17,7 @@
along with this program. If not, see .
*/
-#if !defined(TYPES_H_INCLUDED)
+#ifndef TYPES_H_INCLUDED
#define TYPES_H_INCLUDED
/// For Linux and OSX configuration is done automatically using Makefile. To get
@@ -42,6 +42,8 @@
#include "platform.h"
+#define unlikely(x) (x) // For code annotation purposes
+
#if defined(_WIN64) && !defined(IS_64BIT)
# include // MSVC popcnt and bsfq instrinsics
# define IS_64BIT
@@ -63,7 +65,7 @@
# define CACHE_LINE_ALIGNMENT __attribute__ ((aligned(CACHE_LINE_SIZE)))
#endif
-#if defined(_MSC_VER)
+#ifdef _MSC_VER
# define FORCE_INLINE __forceinline
#elif defined(__GNUC__)
# define FORCE_INLINE inline __attribute__((always_inline))
@@ -71,13 +73,13 @@
# define FORCE_INLINE inline
#endif
-#if defined(USE_POPCNT)
+#ifdef USE_POPCNT
const bool HasPopCnt = true;
#else
const bool HasPopCnt = false;
#endif
-#if defined(IS_64BIT)
+#ifdef IS_64BIT
const bool Is64Bit = true;
#else
const bool Is64Bit = false;
@@ -88,26 +90,7 @@ typedef uint64_t Bitboard;
const int MAX_MOVES = 192;
const int MAX_PLY = 100;
-const int MAX_PLY_PLUS_2 = MAX_PLY + 2;
-
-const Bitboard FileABB = 0x0101010101010101ULL;
-const Bitboard FileBBB = FileABB << 1;
-const Bitboard FileCBB = FileABB << 2;
-const Bitboard FileDBB = FileABB << 3;
-const Bitboard FileEBB = FileABB << 4;
-const Bitboard FileFBB = FileABB << 5;
-const Bitboard FileGBB = FileABB << 6;
-const Bitboard FileHBB = FileABB << 7;
-
-const Bitboard Rank1BB = 0xFF;
-const Bitboard Rank2BB = Rank1BB << (8 * 1);
-const Bitboard Rank3BB = Rank1BB << (8 * 2);
-const Bitboard Rank4BB = Rank1BB << (8 * 3);
-const Bitboard Rank5BB = Rank1BB << (8 * 4);
-const Bitboard Rank6BB = Rank1BB << (8 * 5);
-const Bitboard Rank7BB = Rank1BB << (8 * 6);
-const Bitboard Rank8BB = Rank1BB << (8 * 7);
-
+const int MAX_PLY_PLUS_6 = MAX_PLY + 6;
/// A move needs 16 bits to be stored
///
@@ -121,24 +104,24 @@ const Bitboard Rank8BB = Rank1BB << (8 * 7);
/// while MOVE_NONE and MOVE_NULL have the same origin and destination square.
enum Move {
- MOVE_NONE = 0,
+ MOVE_NONE,
MOVE_NULL = 65
};
enum MoveType {
- NORMAL = 0,
+ NORMAL,
PROMOTION = 1 << 14,
ENPASSANT = 2 << 14,
CASTLE = 3 << 14
};
enum CastleRight { // Defined as in PolyGlot book hash key
- CASTLES_NONE = 0,
- WHITE_OO = 1,
- WHITE_OOO = 2,
- BLACK_OO = 4,
- BLACK_OOO = 8,
- ALL_CASTLES = 15,
+ CASTLES_NONE,
+ WHITE_OO,
+ WHITE_OOO = WHITE_OO << 1,
+ BLACK_OO = WHITE_OO << 2,
+ BLACK_OOO = WHITE_OO << 3,
+ ALL_CASTLES = WHITE_OO | WHITE_OOO | BLACK_OO | BLACK_OOO,
CASTLE_RIGHT_NB = 16
};
@@ -149,7 +132,7 @@ enum CastlingSide {
};
enum Phase {
- PHASE_ENDGAME = 0,
+ PHASE_ENDGAME,
PHASE_MIDGAME = 128,
MG = 0, EG = 1, PHASE_NB = 2
};
@@ -162,9 +145,9 @@ enum ScaleFactor {
};
enum Bound {
- BOUND_NONE = 0,
- BOUND_UPPER = 1,
- BOUND_LOWER = 2,
+ BOUND_NONE,
+ BOUND_UPPER,
+ BOUND_LOWER,
BOUND_EXACT = BOUND_UPPER | BOUND_LOWER
};
@@ -190,15 +173,15 @@ enum Value {
};
enum PieceType {
- NO_PIECE_TYPE = 0, ALL_PIECES = 0,
- PAWN = 1, KNIGHT = 2, BISHOP = 3, ROOK = 4, QUEEN = 5, KING = 6,
+ NO_PIECE_TYPE, PAWN, KNIGHT, BISHOP, ROOK, QUEEN, KING,
+ ALL_PIECES = 0,
PIECE_TYPE_NB = 8
};
enum Piece {
- NO_PIECE = 0,
- W_PAWN = 1, W_KNIGHT = 2, W_BISHOP = 3, W_ROOK = 4, W_QUEEN = 5, W_KING = 6,
- B_PAWN = 9, B_KNIGHT = 10, B_BISHOP = 11, B_ROOK = 12, B_QUEEN = 13, B_KING = 14,
+ NO_PIECE,
+ W_PAWN = 1, W_KNIGHT, W_BISHOP, W_ROOK, W_QUEEN, W_KING,
+ B_PAWN = 9, B_KNIGHT, B_BISHOP, B_ROOK, B_QUEEN, B_KING,
PIECE_NB = 16
};
@@ -245,11 +228,11 @@ enum Square {
};
enum File {
- FILE_A, FILE_B, FILE_C, FILE_D, FILE_E, FILE_F, FILE_G, FILE_H, FILE_NB = 8
+ FILE_A, FILE_B, FILE_C, FILE_D, FILE_E, FILE_F, FILE_G, FILE_H, FILE_NB
};
enum Rank {
- RANK_1, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8, RANK_NB = 8
+ RANK_1, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8, RANK_NB
};
@@ -258,7 +241,7 @@ enum Rank {
/// for midgame value. Compiler is free to choose the enum type as long as can
/// keep its data, so ensure Score to be an integer type.
enum Score {
- SCORE_ZERO = 0,
+ SCORE_ZERO,
SCORE_ENSURE_INTEGER_SIZE_P = INT_MAX,
SCORE_ENSURE_INTEGER_SIZE_N = INT_MIN
};
@@ -325,38 +308,17 @@ inline Score operator/(Score s, int i) {
return make_score(mg_value(s) / i, eg_value(s) / i);
}
-/// Weight score v by score w trying to prevent overflow
-inline Score apply_weight(Score v, Score w) {
- return make_score((int(mg_value(v)) * mg_value(w)) / 0x100,
- (int(eg_value(v)) * eg_value(w)) / 0x100);
-}
-
#undef ENABLE_OPERATORS_ON
#undef ENABLE_SAFE_OPERATORS_ON
-namespace Zobrist {
-
- extern Key psq[COLOR_NB][PIECE_TYPE_NB][SQUARE_NB];
- extern Key enpassant[FILE_NB];
- extern Key castle[CASTLE_RIGHT_NB];
- extern Key side;
- extern Key exclusion;
-
- void init();
-}
-
-CACHE_LINE_ALIGNMENT
-
-extern Score pieceSquareTable[PIECE_NB][SQUARE_NB];
extern Value PieceValue[PHASE_NB][PIECE_NB];
-extern int SquareDistance[SQUARE_NB][SQUARE_NB];
-struct MoveStack {
+struct ExtMove {
Move move;
int score;
};
-inline bool operator<(const MoveStack& f, const MoveStack& s) {
+inline bool operator<(const ExtMove& f, const ExtMove& s) {
return f.score < s.score;
}
@@ -430,18 +392,6 @@ inline bool opposite_colors(Square s1, Square s2) {
return ((s >> 3) ^ s) & 1;
}
-inline int file_distance(Square s1, Square s2) {
- return abs(file_of(s1) - file_of(s2));
-}
-
-inline int rank_distance(Square s1, Square s2) {
- return abs(rank_of(s1) - rank_of(s2));
-}
-
-inline int square_distance(Square s1, Square s2) {
- return SquareDistance[s1][s2];
-}
-
inline char file_to_char(File f, bool tolower = true) {
return char(f - FILE_A + (tolower ? 'a' : 'A'));
}
@@ -490,4 +440,4 @@ inline const std::string square_to_string(Square s) {
return ch;
}
-#endif // !defined(TYPES_H_INCLUDED)
+#endif // #ifndef TYPES_H_INCLUDED