X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.h;h=f84d93899a8d69ee80a1babb914ce3dbe79092ad;hp=53c8a7e1be01b81c6caaa46efbd0ef2365ac2500;hb=da6e53a436abcd4ac747c89d4496e4195109d908;hpb=611a29f7675d3e5dc7e5e2b63cca9274eae05578 diff --git a/src/book.h b/src/book.h index 53c8a7e1..f84d9389 100644 --- a/src/book.h +++ b/src/book.h @@ -23,14 +23,13 @@ #include #include -#include "move.h" #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. +/// 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; @@ -38,36 +37,25 @@ struct BookEntry { uint32_t learn; }; -class Book : private std::ifstream { - Book(const Book&); // just decleared.. - Book& operator=(const Book&); // ..to avoid a warning +class Book { public: Book(); ~Book(); void open(const std::string& fileName); void close(); - Move get_move(const Position& pos, bool findBestMove); + Move probe(const Position& pos, bool findBestMove); const std::string name() const { return bookName; } private: - // read n chars from the file stream and converts them in an - // integer number. Integers are stored with highest byte first. - template uint64_t get_int(); - - template - Book& operator>>(T& n) { n = (T)get_int(); return *this; } + template Book& operator>>(T& n); BookEntry read_entry(int idx); - int find_entry(uint64_t key); + int first_entry(uint64_t key); + RKISS RKiss; + std::ifstream bookFile; std::string bookName; int bookSize; - RKISS RKiss; }; -// Yes, we indulge a bit here ;-) -template inline uint64_t Book::get_int() { return 256 * get_int() + get(); } -template<> inline uint64_t Book::get_int<1>() { return get(); } - - #endif // !defined(BOOK_H_INCLUDED)