Retire linear imbalance

[stockfish] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 89a63b76e5acd403f5c74a34eefce783370047e6..6fee591d8ff18b9826298a815d6dcf2209c13470 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,8 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, 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
@@ -17,69 +18,34 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-// To profile with callgrind uncomment following line
-//#define USE_CALLGRIND
-
-#include <cstdio>
 #include <iostream>
-#include <string>
 
 #include "bitboard.h"
 #include "evaluate.h"
 #include "position.h"
-#include "thread.h"
 #include "search.h"
-#include "ucioption.h"
-
-#ifdef USE_CALLGRIND
-#include <valgrind/callgrind.h>
-#endif
-
-using namespace std;
-
-extern bool execute_uci_command(const string& cmd);
-extern void benchmark(int argc, char* argv[]);
-extern void kpk_bitbase_init();
+#include "thread.h"
+#include "tt.h"
+#include "uci.h"
+#include "syzygy/tbprobe.h"
 
 int main(int argc, char* argv[]) {
 
-  // Disable IO buffering for C and C++ standard libraries
-  setvbuf(stdin, NULL, _IONBF, 0);
-  setvbuf(stdout, NULL, _IONBF, 0);
-  cout.rdbuf()->pubsetbuf(NULL, 0);
-  cin.rdbuf()->pubsetbuf(NULL, 0);
+  std::cout << engine_info() << std::endl;
 
-  // Startup initializations
-  init_bitboards();
+  UCI::init(Options);
+  PSQT::init();
+  Bitboards::init();
   Position::init();
-  kpk_bitbase_init();
-  init_search();
+  Bitbases::init();
+  Search::init();
+  Eval::init();
+  Pawns::init();
   Threads.init();
+  Tablebases::init(Options["SyzygyPath"]);
+  TT.resize(Options["Hash"]);
 
-#ifdef USE_CALLGRIND
-  CALLGRIND_START_INSTRUMENTATION;
-#endif
-
-  if (argc < 2)
-  {
-      // Print copyright notice
-      cout << engine_name() << " by " << engine_authors() << endl;
-
-      if (CpuHasPOPCNT)
-          cout << "Good! CPU has hardware POPCNT." << endl;
-
-      // Wait for a command from the user, and passes this command to
-      // execute_uci_command() and also intercepts EOF from stdin to
-      // ensure that we exit gracefully if the GUI dies unexpectedly.
-      string cmd;
-      while (getline(cin, cmd) && execute_uci_command(cmd)) {}
-  }
-  else if (string(argv[1]) == "bench" && argc < 8)
-      benchmark(argc, argv);
-  else
-      cout << "Usage: stockfish bench [hash size = 128] [threads = 1] "
-           << "[limit = 12] [fen positions file = default] "
-           << "[limited by depth, time, nodes or perft = depth]" << endl;
+  UCI::loop(argc, argv);
 
   Threads.exit();
   return 0;