Tweak probcut margin with 'improving' flag

[stockfish] / src / uci.cpp

diff --git a/src/uci.cpp b/src/uci.cpp
index fc66f0b5321da7342374f4fea1be3355e13ad1b7..b477230594f831a778b494507992cf29370b1627 100644 (file)
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -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
@@ -89,11 +89,11 @@ namespace {
 
     // Read option name (can contain spaces)
     while (is >> token && token != "value")
-        name += string(" ", name.empty() ? 0 : 1) + token;
+        name += (name.empty() ? "" : " ") + token;
 
     // Read option value (can contain spaces)
     while (is >> token)
-        value += string(" ", value.empty() ? 0 : 1) + token;
+        value += (value.empty() ? "" : " ") + token;
 
     if (Options.count(name))
         Options[name] = value;