X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=3ea5f6dfbe9fbd82f6965c206d08361fed5d9e1a;hp=de2afbfd95cb2182cce382588328d56e5030564b;hb=fbbc7e421c251c8cb09afaa96d6b438ab0cb7aa7;hpb=1cc42ac9e4786790a30d2b9dd572dc7e7bfcd021

diff --git a/src/position.h b/src/position.h
index de2afbfd..3ea5f6df 100644
--- a/src/position.h
+++ b/src/position.h
@@ -20,6 +20,8 @@
 #if !defined(POSITION_H_INCLUDED)
 #define POSITION_H_INCLUDED
 
+#include <cassert>
+
 #include "bitboard.h"
 #include "move.h"
 #include "types.h"
@@ -525,13 +527,13 @@ inline bool Position::is_chess960() const {
 
 inline bool Position::move_is_capture(Move m) const {
 
-  // Move must not be MOVE_NONE !
+  assert (m != MOVE_NONE && m != MOVE_NULL);
   return (m & (3 << 15)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
 }
 
 inline bool Position::move_is_capture_or_promotion(Move m) const {
 
-  // Move must not be MOVE_NONE !
+  assert (m != MOVE_NONE && m != MOVE_NULL);
   return (m & (0x1F << 12)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
 }