Mark all compile-time constants as constexpr.

[stockfish] / src / search.h

diff --git a/src/search.h b/src/search.h
index 694dd643892ba437880f563e15b2b7bd85c2c640..22f9f0d766ae0ce839b493ac91219f75f03247e0 100644 (file)
--- a/src/search.h
+++ b/src/search.h
@@ -2,7 +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
+  Copyright (C) 2015-2018 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
@@ -32,7 +32,7 @@ class Position;
 namespace Search {
 
 /// Threshold used for countermoves based pruning
-const int CounterMovePruneThreshold = 0;
+constexpr int CounterMovePruneThreshold = 0;
 
 
 /// Stack struct keeps track of the information we need to remember from nodes