2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
4 Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
6 Stockfish is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Stockfish is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #if !defined(MISC_H_INCLUDED)
21 #define MISC_H_INCLUDED
29 extern const std::string engine_info(bool to_uci = false);
30 extern int cpu_count();
31 extern void timed_wait(WaitCondition&, Lock&, int);
32 extern void prefetch(char* addr);
33 extern void start_logger(bool b);
35 extern void dbg_hit_on(bool b);
36 extern void dbg_hit_on_c(bool c, bool b);
37 extern void dbg_mean_of(int v);
38 extern void dbg_print();
41 struct Log : public std::ofstream {
42 Log(const std::string& f = "log.txt") : std::ofstream(f.c_str(), std::ios::out | std::ios::app) {}
43 ~Log() { if (is_open()) close(); }
48 void restart() { system_time(&t); }
49 int64_t msec() const { return time_to_msec(t); }
50 int elapsed() const { return int(current_time().msec() - time_to_msec(t)); }
52 static Time current_time() { Time t; t.restart(); return t; }
59 template<class Entry, int Size>
61 HashTable() : e(Size, Entry()) { memset(&e[0], 0, sizeof(Entry) * Size); }
62 Entry* operator[](Key k) { return &e[(uint32_t)k & (Size - 1)]; }
68 #endif // !defined(MISC_H_INCLUDED)