X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.h;h=ed446636c8a45359489b61c345fe00aeb9b9fec2;hp=24fa9f2daf45b2e1c087bf644ecf053f1cdcf449;hb=203fdc9ac1b0ad5e5820b450a0cffdffb917e069;hpb=8300ab149cec54c2124898285bdc9308f78de4cd diff --git a/src/book.h b/src/book.h index 24fa9f2d..ed446636 100644 --- a/src/book.h +++ b/src/book.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, 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 @@ -26,33 +26,20 @@ #include "position.h" #include "rkiss.h" - -/// A Polyglot book is a series of "entries" of 16 bytes. All integers are -/// stored highest byte first (regardless of size). The entries are ordered -/// according to key. Lowest key first. -struct BookEntry { - uint64_t key; - uint16_t move; - uint16_t count; - uint32_t learn; -}; - - -class Book : private std::ifstream { +class PolyglotBook : private std::ifstream { public: - Book(); - ~Book(); + PolyglotBook(); + ~PolyglotBook(); Move probe(const Position& pos, const std::string& fName, bool pickBest); private: - template Book& operator>>(T& n); + template PolyglotBook& operator>>(T& n); bool open(const char* fName); - void binary_search(uint64_t key); + size_t find_first(Key key); - RKISS RKiss; + RKISS rkiss; std::string fileName; - size_t size; }; #endif // !defined(BOOK_H_INCLUDED)