X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fdirection.h;h=1890f1cff7035832c390f6fc626ef36c97ff4c96;hp=4ca264a0291ae5ed59deb21a7170444fcadab32b;hb=afadc33fb430abd2ba2783a62180cf971b13652f;hpb=74160ac60266f9e6824a5a6417d8a0ac8c0b39cf

diff --git a/src/direction.h b/src/direction.h
index 4ca264a0..1890f1cf 100644
--- a/src/direction.h
+++ b/src/direction.h
@@ -74,6 +74,13 @@ inline SignedDirection signed_direction_between_squares(Square s1, Square s2) {
   return SignedDirection(SignedDirectionTable[s1][s2]);
 }
 
+inline int direction_is_diagonal(Square s1, Square s2) {
+  return DirectionTable[s1][s2] & 2;
+}
+
+inline bool direction_is_straight(Square s1, Square s2) {
+  return DirectionTable[s1][s2] < 2;
+}
 
 ////
 //// Prototypes