X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.h;h=9d6eed0a4419d1516f6cb490f4865288159564e7;hp=67d555a461935215e729717241ccf94d40c5f59b;hb=9f48e1ec15b8bec038338e2c4404a234af8c6364;hpb=1277a428237eec3299c6606951fac014bb3ef851

diff --git a/src/material.h b/src/material.h
index 67d555a4..9d6eed0a 100644
--- a/src/material.h
+++ b/src/material.h
@@ -2,6 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -49,9 +50,9 @@ struct Entry {
   // the position. For instance, in KBP vs K endgames, the scaling function looks
   // for rook pawns and wrong-colored bishops.
   ScaleFactor scale_factor(const Position& pos, Color c) const {
-    return   !scalingFunction[c]
-          || (*scalingFunction[c])(pos) == SCALE_FACTOR_NONE ? ScaleFactor(factor[c])
-                                                             : (*scalingFunction[c])(pos);
+    ScaleFactor sf = scalingFunction[c] ? (*scalingFunction[c])(pos)
+                                        :  SCALE_FACTOR_NONE;
+    return sf != SCALE_FACTOR_NONE ? sf : ScaleFactor(factor[c]);
   }
 
   Key key;