Fix tablebase probe for dtz >1000 w/o 50 move rule

[stockfish] / src / syzygy / tbprobe.h

diff --git a/src/syzygy/tbprobe.h b/src/syzygy/tbprobe.h
index f44674b215f93363bc83e2af61ef53cc0cf841cb..179c75721c2335203bdbf4d914b20d885b0b5c07 100644 (file)
--- a/src/syzygy/tbprobe.h
+++ b/src/syzygy/tbprobe.h
@@ -1,7 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (c) 2013 Ronald de Man
-  Copyright (C) 2016-2017 Marco Costalba, Lucas Braesch
+  Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -24,7 +23,7 @@
 
 #include "../search.h"
 
-namespace Tablebases {
+namespace Stockfish::Tablebases {
 
 enum WDLScore {
     WDLLoss        = -2, // Loss
@@ -32,14 +31,12 @@ enum WDLScore {
     WDLDraw        =  0, // Draw
     WDLCursedWin   =  1, // Win, but draw under 50-move rule
     WDLWin         =  2, // Win
-
-    WDLScoreNone  = -1000
 };
 
 // Possible states after a probing operation
 enum ProbeState {
     FAIL              =  0, // Probe failed (missing file table)
-    OK                =  1, // Probe succesful
+    OK                =  1, // Probe successful
     CHANGE_STM        = -1, // DTZ should check the other side
     ZEROING_BEST_MOVE =  2  // Best move zeroes DTZ (capture or pawn move)
 };
@@ -49,9 +46,9 @@ extern int MaxCardinality;
 void init(const std::string& paths);
 WDLScore probe_wdl(Position& pos, ProbeState* result);
 int probe_dtz(Position& pos, ProbeState* result);
-bool root_probe(Position& pos, Search::RootMoves& rootMoves, Value& score);
-bool root_probe_wdl(Position& pos, Search::RootMoves& rootMoves, Value& score);
-void filter_root_moves(Position& pos, Search::RootMoves& rootMoves);
+bool root_probe(Position& pos, Search::RootMoves& rootMoves);
+bool root_probe_wdl(Position& pos, Search::RootMoves& rootMoves);
+void rank_root_moves(Position& pos, Search::RootMoves& rootMoves);
 
 inline std::ostream& operator<<(std::ostream& os, const WDLScore v) {
 
@@ -74,6 +71,6 @@ inline std::ostream& operator<<(std::ostream& os, const ProbeState v) {
     return os;
 }
 
-}
+} // namespace Stockfish::Tablebases
 
 #endif