X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=3cfaa072ae5f2bf71f0693c7e9d998d0135226e4;hp=a0552fd206c17ea8365082b938ad5b8eb37efc83;hb=c014444f09ace05e908909d9c5c60127e998b538;hpb=375797d51c8c18b98930f5e4c404b7fd572f6737

diff --git a/src/types.h b/src/types.h
index a0552fd2..3cfaa072 100644
--- a/src/types.h
+++ b/src/types.h
@@ -175,8 +175,8 @@ enum Value {
   VALUE_INFINITE  = 32001,
   VALUE_NONE      = 32002,
 
-  VALUE_MATE_IN_MAX_PLY  =  VALUE_MATE - MAX_PLY,
-  VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY,
+  VALUE_MATE_IN_MAX_PLY  =  VALUE_MATE - 2 * MAX_PLY,
+  VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
 
   VALUE_ENSURE_INTEGER_SIZE_P = INT_MAX,
   VALUE_ENSURE_INTEGER_SIZE_N = INT_MIN,
@@ -212,7 +212,8 @@ enum Depth {
   DEPTH_QS_NO_CHECKS  = -1,
   DEPTH_QS_RECAPTURES = -5,
 
-  DEPTH_NONE = -6
+  DEPTH_NONE = -6,
+  DEPTH_MAX  = MAX_PLY
 };
 
 enum Square {
@@ -249,7 +250,6 @@ enum Rank {
   RANK_1, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8, RANK_NB
 };
 
-template <typename T> inline T dist(T x, T y) { return x < y ? y - x : x - y; }
 
 /// The Score enum stores a middlegame and an endgame value in a single integer
 /// (enum). The least significant 16 bits are used to store the endgame value
@@ -275,23 +275,24 @@ inline Value eg_value(Score s) {
   return Value((int)(unsigned(s) & 0x7FFFU) - (int)(unsigned(s) & 0x8000U));
 }
 
-#define ENABLE_BASE_OPERATORS_ON(T)                                         \
-inline T operator+(const T d1, const T d2) { return T(int(d1) + int(d2)); } \
-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) { return d1 = d1 + d2; }            \
-inline T& operator-=(T& d1, const T d2) { return d1 = d1 - d2; }            \
+#define ENABLE_BASE_OPERATORS_ON(T)                             \
+inline T operator+(T d1, T d2) { return T(int(d1) + int(d2)); } \
+inline T operator-(T d1, T d2) { return T(int(d1) - int(d2)); } \
+inline T operator*(int i, T d) { return T(i * int(d)); }        \
+inline T operator*(T d, int i) { return T(int(d) * i); }        \
+inline T operator-(T d) { return T(-int(d)); }                  \
+inline T& operator+=(T& d1, T d2) { return d1 = d1 + d2; }      \
+inline T& operator-=(T& d1, T d2) { return d1 = d1 - d2; }      \
 inline T& operator*=(T& d, int i) { return d = T(int(d) * i); }
 
 ENABLE_BASE_OPERATORS_ON(Score)
 
-#define ENABLE_FULL_OPERATORS_ON(T)                                         \
-ENABLE_BASE_OPERATORS_ON(T)                                                 \
-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); }              \
+#define ENABLE_FULL_OPERATORS_ON(T)                             \
+ENABLE_BASE_OPERATORS_ON(T)                                     \
+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/(T d, int i) { return T(int(d) / i); }        \
+inline int operator/(T d1, T d2) { return int(d1) / int(d2); }  \
 inline T& operator/=(T& d, int i) { return d = T(int(d) / i); }
 
 ENABLE_FULL_OPERATORS_ON(Value)
@@ -428,7 +429,7 @@ inline Move make(Square from, Square to, PieceType pt = KNIGHT) {
 }
 
 inline bool is_ok(Move m) {
-  return from_sq(m) != to_sq(m); // Catches also MOVE_NULL and MOVE_NONE
+  return from_sq(m) != to_sq(m); // Catch also MOVE_NULL and MOVE_NONE
 }
 
 #endif // #ifndef TYPES_H_INCLUDED