X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsyzygy%2Ftbprobe.h;h=c2917fef636d53f0c8ed00e4ab709e5ddfe099de;hp=179c75721c2335203bdbf4d914b20d885b0b5c07;hb=HEAD;hpb=e533b620caf72b05969dd756355cbaeb6ae5f7a6 diff --git a/src/syzygy/tbprobe.h b/src/syzygy/tbprobe.h index 179c7572..3b7c8aa7 100644 --- a/src/syzygy/tbprobe.h +++ b/src/syzygy/tbprobe.h @@ -1,6 +1,6 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 - Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file) + Copyright (C) 2004-2023 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 @@ -19,58 +19,41 @@ #ifndef TBPROBE_H #define TBPROBE_H -#include +#include #include "../search.h" +namespace Stockfish { +class Position; +} + namespace Stockfish::Tablebases { enum WDLScore { - WDLLoss = -2, // Loss - WDLBlessedLoss = -1, // Loss, but draw under 50-move rule - WDLDraw = 0, // Draw - WDLCursedWin = 1, // Win, but draw under 50-move rule - WDLWin = 2, // Win + WDLLoss = -2, // Loss + WDLBlessedLoss = -1, // Loss, but draw under 50-move rule + WDLDraw = 0, // Draw + WDLCursedWin = 1, // Win, but draw under 50-move rule + WDLWin = 2, // Win }; // Possible states after a probing operation enum ProbeState { - FAIL = 0, // Probe failed (missing file table) - 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) + FAIL = 0, // Probe failed (missing file table) + 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) }; extern int MaxCardinality; -void init(const std::string& paths); +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); -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) { - - os << (v == WDLLoss ? "Loss" : - v == WDLBlessedLoss ? "Blessed loss" : - v == WDLDraw ? "Draw" : - v == WDLCursedWin ? "Cursed win" : - v == WDLWin ? "Win" : "None"); - - return os; -} - -inline std::ostream& operator<<(std::ostream& os, const ProbeState v) { - - os << (v == FAIL ? "Failed" : - v == OK ? "Success" : - v == CHANGE_STM ? "Probed opponent side" : - v == ZEROING_BEST_MOVE ? "Best move zeroes DTZ" : "None"); - - return os; -} +int probe_dtz(Position& pos, ProbeState* result); +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); -} // namespace Stockfish::Tablebases +} // namespace Stockfish::Tablebases #endif