X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=f921f9e105cb66cd503d81b87635e538e30dda93;hp=2aed54862566176231e9c8c4811c121cfcf257be;hb=95b24083fb0476b6fa332db923c175e654cd0f0b;hpb=69ac45d903a809bb80cabf87181958e1311c3fcc

diff --git a/src/types.h b/src/types.h
index 2aed5486..f921f9e1 100644
--- a/src/types.h
+++ b/src/types.h
@@ -218,7 +218,7 @@ enum Depth {
   DEPTH_QS_NO_CHECKS  = -1 * ONE_PLY,
   DEPTH_QS_RECAPTURES = -5 * ONE_PLY,
 
-  DEPTH_NONE = -127 * ONE_PLY
+  DEPTH_NONE = -6 * ONE_PLY
 };
 
 enum Square {
@@ -405,14 +405,6 @@ inline bool opposite_colors(Square s1, Square s2) {
   return ((s >> 3) ^ s) & 1;
 }
 
-inline char to_char(File f, bool tolower = true) {
-  return char(f - FILE_A + (tolower ? 'a' : 'A'));
-}
-
-inline char to_char(Rank r) {
-  return char(r - RANK_1 + '1');
-}
-
 inline Square pawn_push(Color c) {
   return c == WHITE ? DELTA_N : DELTA_S;
 }
@@ -446,11 +438,4 @@ inline bool is_ok(Move m) {
   return from_sq(m) != to_sq(m); // Catches also MOVE_NULL and MOVE_NONE
 }
 
-#include <string>
-
-inline const std::string to_string(Square s) {
-  char ch[] = { to_char(file_of(s)), to_char(rank_of(s)), 0 };
-  return ch;
-}
-
 #endif // #ifndef TYPES_H_INCLUDED