X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsquare.h;fp=src%2Fsquare.h;h=bc5221b6b74578d2030042a4a3ddd6e69adda001;hp=fe0cc9684101b669487c0d97bd81c9a783b23aca;hb=deb212cb052b50caa68542cde8e14ef6c6a0a01c;hpb=aa40d0a917285172e9334156fef5236b0c0e004f

diff --git a/src/square.h b/src/square.h
index fe0cc968..bc5221b6 100644
--- a/src/square.h
+++ b/src/square.h
@@ -35,20 +35,12 @@ enum Square {
   SQ_A6, SQ_B6, SQ_C6, SQ_D6, SQ_E6, SQ_F6, SQ_G6, SQ_H6,
   SQ_A7, SQ_B7, SQ_C7, SQ_D7, SQ_E7, SQ_F7, SQ_G7, SQ_H7,
   SQ_A8, SQ_B8, SQ_C8, SQ_D8, SQ_E8, SQ_F8, SQ_G8, SQ_H8,
-  SQ_NONE
-};
-
-enum File {
-  FILE_A, FILE_B, FILE_C, FILE_D, FILE_E, FILE_F, FILE_G, FILE_H
-};
-
-enum Rank {
-  RANK_1, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8
-};
-
-enum SquareDelta {
+  SQ_NONE,
 
-  DELTA_N = 8, DELTA_E = 1, DELTA_S = -8, DELTA_W = -1, DELTA_NONE = 0,
+  DELTA_N =  8,
+  DELTA_E =  1,
+  DELTA_S = -8,
+  DELTA_W = -1,
 
   DELTA_NN = DELTA_N + DELTA_N,
   DELTA_NE = DELTA_N + DELTA_E,
@@ -58,19 +50,21 @@ enum SquareDelta {
   DELTA_NW = DELTA_N + DELTA_W
 };
 
+enum File {
+  FILE_A, FILE_B, FILE_C, FILE_D, FILE_E, FILE_F, FILE_G, FILE_H
+};
+
+enum Rank {
+  RANK_1, RANK_2, RANK_3, RANK_4, RANK_5, RANK_6, RANK_7, RANK_8
+};
+
 ENABLE_OPERATORS_ON(Square)
 ENABLE_OPERATORS_ON(File)
 ENABLE_OPERATORS_ON(Rank)
-ENABLE_OPERATORS_ON(SquareDelta)
 
 const int FlipMask = 56;
 const int FlopMask =  7;
 
-inline Square operator+ (Square x, SquareDelta i) { return x + Square(i); }
-inline void operator+= (Square& x, SquareDelta i) { x = x + Square(i); }
-inline Square operator- (Square x, SquareDelta i) { return x - Square(i); }
-inline void operator-= (Square& x, SquareDelta i) { x = x - Square(i); }
-
 inline Square make_square(File f, Rank r) {
   return Square((int(r) << 3) | int(f));
 }