Use DEPTH_MAX instead of MAX_PLY

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index a0552fd206c17ea8365082b938ad5b8eb37efc83..d725c1367bf66504b41d79ec014688668502d96f 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -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
@@ -428,7 +428,7 @@ 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