Bring back just bishop pins

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index eea31e3b6f229cf8cc72b1abcdb8c363fce88216..b7bcb4e89f168c9fdf48cdad1fcfc9d596712ccd 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -35,6 +35,7 @@
 ///               | only in 64-bit mode. For compiling requires hardware with
 ///               | popcnt support.
 
+#include <cassert>
 #include <cctype>
 #include <climits>
 #include <cstdlib>
@@ -130,12 +131,6 @@ enum MoveType {
   CASTLE    = 3 << 14
 };
 
-enum CheckType {
-  NO_CHECK,
-  DIRECT_CHECK,
-  DISCO_CHECK
-};
-
 enum CastleRight {  // Defined as in PolyGlot book hash key
   CASTLES_NONE = 0,
   WHITE_OO     = 1,
@@ -397,7 +392,8 @@ inline PieceType type_of(Piece p)  {
 }
 
 inline Color color_of(Piece p) {
-  return p == NO_PIECE ? NO_COLOR : Color(p >> 3);
+  assert(p != NO_PIECE);
+  return Color(p >> 3);
 }
 
 inline bool is_ok(Square s) {
@@ -445,8 +441,8 @@ inline int square_distance(Square s1, Square s2) {
   return SquareDistance[s1][s2];
 }
 
-inline char file_to_char(File f) {
-  return char(f - FILE_A + 'a');
+inline char file_to_char(File f, bool tolower = true) {
+  return char(f - FILE_A + (tolower ? 'a' : 'A'));
 }
 
 inline char rank_to_char(Rank r) {
@@ -479,7 +475,7 @@ inline Move make_move(Square from, Square to) {
 
 template<MoveType T>
 inline Move make(Square from, Square to, PieceType pt = KNIGHT) {
-  return Move(to | (from << 6) | T | ((pt - KNIGHT) << 12)) ;
+  return Move(to | (from << 6) | T | ((pt - KNIGHT) << 12));
 }
 
 inline bool is_ok(Move m) {