Triviality in SERIALIZE_PAWNS() macro usage

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

diff --git a/src/movegen.cpp b/src/movegen.cpp
index caf2bfe675b77edc05e54e4ba16d0cdd97ffd4b5..289b51adefa43e8749bd53c008e6d173bf3dad28 100644 (file)
--- a/src/movegen.cpp
+++ b/src/movegen.cpp
@@ -29,7 +29,7 @@
 
 /// Version used for pawns, where the 'from' square is given as a delta from the 'to' square
 #define SERIALIZE_PAWNS(b, d) while (b) { Square to = pop_1st_bit(&b); \
 
 /// Version used for pawns, where the 'from' square is given as a delta from the 'to' square
 #define SERIALIZE_PAWNS(b, d) while (b) { Square to = pop_1st_bit(&b); \

-                                         (*mlist++).move = make_move(to + (d), to); }
+                                         (*mlist++).move = make_move(to - (d), to); }

 namespace {
 
   enum CastlingSide { KING_SIDE, QUEEN_SIDE };
 namespace {
 
   enum CastlingSide { KING_SIDE, QUEEN_SIDE };


@@ -185,8 +185,8 @@ namespace {
             }
         }
 
             }
         }
 

-        SERIALIZE_PAWNS(b1, -UP);
-        SERIALIZE_PAWNS(b2, -UP -UP);
+        SERIALIZE_PAWNS(b1, UP);
+        SERIALIZE_PAWNS(b2, UP + UP);

     }
 
     // Promotions and underpromotions
     }
 
     // Promotions and underpromotions


@@ -209,8 +209,8 @@ namespace {
         b1 = move_pawns<RIGHT>(pawnsNotOn7) & enemies;
         b2 = move_pawns<LEFT >(pawnsNotOn7) & enemies;
 
         b1 = move_pawns<RIGHT>(pawnsNotOn7) & enemies;
         b2 = move_pawns<LEFT >(pawnsNotOn7) & enemies;
 

-        SERIALIZE_PAWNS(b1, -RIGHT);
-        SERIALIZE_PAWNS(b2, -LEFT);
+        SERIALIZE_PAWNS(b1, RIGHT);
+        SERIALIZE_PAWNS(b2, LEFT);

 
         if (pos.ep_square() != SQ_NONE)
         {
 
         if (pos.ep_square() != SQ_NONE)
         {