-/// Version number. If Version is left empty, then Tag plus current
-/// date (in the format YYMMDD) is used as a version number.
-
-static const string Version = "2.3.1";
-static const string Tag = "";
-
-
-/// engine_info() returns the full name of the current Stockfish version.
-/// This will be either "Stockfish YYMMDD" (where YYMMDD is the date when
-/// the program was compiled) or "Stockfish <version number>", depending
-/// on whether Version is empty.
-
-const string engine_info(bool to_uci) {
-
- const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
- const string cpu64(Is64Bit ? " 64bit" : "");
- const string popcnt(HasPopCnt ? " SSE4.2" : "");
-
- string month, day, year;
- stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
-
- s << "Stockfish " << Version;
-
- if (Version.empty())
- {
- date >> month >> day >> year;
-
- s << Tag << setfill('0') << " " << year.substr(2)
- << setw(2) << (1 + months.find(month) / 4) << setw(2) << day;
- }
-
- s << cpu64 << popcnt << (to_uci ? "\nid author ": " by ")
- << "Tord Romstad, Marco Costalba and Joona Kiiski";
-
- return s.str();
-}
-
-
-/// Convert system time to milliseconds. That's all we need.
-
-Time::point Time::now() {
- sys_time_t t; system_time(&t); return time_to_msec(t);
-}
-
-
-/// Debug functions used mainly to collect run-time statistics
-
-static uint64_t hits[2], means[2];
-
-void dbg_hit_on(bool b) { hits[0]++; if (b) hits[1]++; }
-void dbg_hit_on_c(bool c, bool b) { if (c) dbg_hit_on(b); }
-void dbg_mean_of(int v) { means[0]++; means[1] += v; }
-
-void dbg_print() {
-
- if (hits[0])
- cerr << "Total " << hits[0] << " Hits " << hits[1]
- << " hit rate (%) " << 100 * hits[1] / hits[0] << endl;
-
- if (means[0])
- cerr << "Total " << means[0] << " Mean "
- << (float)means[1] / means[0] << endl;
-}