X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsquare.h;h=eb5a5c39eb13903abc3e25023e71feefcc3304ea;hp=ff31e8653ecb4407d297a5568f3c446c290b982e;hb=3e6e57231ecb1c23e43e02109efa3bcaf7ebe7c3;hpb=d3600c39a745179ed6b094b305d0645e83a1ee86

diff --git a/src/square.h b/src/square.h
index ff31e865..eb5a5c39 100644
--- a/src/square.h
+++ b/src/square.h
@@ -7,12 +7,12 @@
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
-  
+
   Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
-  
+
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
@@ -25,6 +25,7 @@
 //// Includes
 ////
 
+#include <cstdlib> // for abs()
 #include <string>
 
 #include "color.h"
@@ -45,7 +46,7 @@ enum Square {
   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, FILE_NONE
@@ -72,7 +73,7 @@ const int FlipMask = 070;
 const int FlopMask = 07;
 
 
-//// 
+////
 //// Inline functions
 ////
 
@@ -159,7 +160,7 @@ inline int square_distance(Square s1, Square s2) {
 }
 
 
-//// 
+////
 //// Prototypes
 ////