X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftypes.h;h=e08fc8534e818e57c7459509758977081efd1ece;hb=7b2cda95d9d697a047ac8df33d3805ba77590a8f;hp=c5b901a98d4e64603b60446c522ec4884fa04627;hpb=908d98820b9f055d3089cc947f6901a2d6fe0d81;p=stockfish
diff --git a/src/types.h b/src/types.h
index c5b901a9..e08fc853 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;
@@ -88,7 +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 int MAX_PLY_PLUS_6 = MAX_PLY + 6;
/// A move needs 16 bits to be stored
///
@@ -194,7 +196,7 @@ enum Depth {
DEPTH_ZERO = 0 * ONE_PLY,
DEPTH_QS_CHECKS = -1 * ONE_PLY,
DEPTH_QS_NO_CHECKS = -2 * ONE_PLY,
- DEPTH_QS_RECAPTURES = -7 * ONE_PLY,
+ DEPTH_QS_RECAPTURES = -5 * ONE_PLY,
DEPTH_NONE = -127 * ONE_PLY
};
@@ -272,15 +274,15 @@ inline T operator-(const T d1, const T d2) { return T(int(d1) - int(d2)); } \
inline T operator*(int i, const T d) { return T(i * int(d)); } \
inline T operator*(const T d, int i) { return T(int(d) * i); } \
inline T operator-(const T d) { return T(-int(d)); } \
-inline T& operator+=(T& d1, const T d2) { d1 = d1 + d2; return d1; } \
-inline T& operator-=(T& d1, const T d2) { d1 = d1 - d2; return d1; } \
-inline T& operator*=(T& d, int i) { d = T(int(d) * i); return d; }
+inline T& operator+=(T& d1, const T d2) { return d1 = d1 + d2; } \
+inline T& operator-=(T& d1, const T d2) { return d1 = d1 - d2; } \
+inline T& operator*=(T& d, int i) { return d = T(int(d) * i); }
#define ENABLE_OPERATORS_ON(T) ENABLE_SAFE_OPERATORS_ON(T) \
-inline T operator++(T& d, int) { d = T(int(d) + 1); return d; } \
-inline T operator--(T& d, int) { d = T(int(d) - 1); return d; } \
+inline T& operator++(T& d) { return d = T(int(d) + 1); } \
+inline T& operator--(T& d) { return d = T(int(d) - 1); } \
inline T operator/(const T d, int i) { return T(int(d) / i); } \
-inline T& operator/=(T& d, int i) { d = T(int(d) / i); return d; }
+inline T& operator/=(T& d, int i) { return d = T(int(d) / i); }
ENABLE_OPERATORS_ON(Value)
ENABLE_OPERATORS_ON(PieceType)
@@ -310,14 +312,13 @@ inline Score operator/(Score s, int i) {
#undef ENABLE_SAFE_OPERATORS_ON
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;
}
@@ -391,18 +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'));
}
@@ -451,4 +440,4 @@ inline const std::string square_to_string(Square s) {
return ch;
}
-#endif // !defined(TYPES_H_INCLUDED)
+#endif // #ifndef TYPES_H_INCLUDED