X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.h;h=bec2d662b7d970032d3f8b6eb4f17727c4088f11;hp=0119caab8bf2a7d9fd8f2b77934c8facc8ab4692;hb=4c95edddbf1aaec22c343adaca4796df0137e4c3;hpb=856a5f3aaaf8b9d53599963decacd4476b55c034

diff --git a/src/material.h b/src/material.h
index 0119caab..bec2d662 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) 2015-2016 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
@@ -40,7 +41,7 @@ struct Entry {
 
   Score imbalance() const { return make_score(value, value); }
   Phase game_phase() const { return gamePhase; }
-  bool specialized_eval_exists() const { return evaluationFunction != NULL; }
+  bool specialized_eval_exists() const { return evaluationFunction != nullptr; }
   Value evaluate(const Position& pos) const { return (*evaluationFunction)(pos); }
 
   // scale_factor takes a position and a color as input and returns a scale factor
@@ -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;