Initial import of Glaurung 2.1

src/main.cpp

@@ -0,0 +1,95 @@
+/*
+  Glaurung, a UCI chess playing engine.
+  Copyright (C) 2004-2008 Tord Romstad
+
+  Glaurung is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+  
+  Glaurung is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+  
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+////
+//// Includes
+////
+
+#include <cstdlib>
+#include <iostream>
+
+#include "benchmark.h"
+#include "bitboard.h"
+#include "direction.h"
+#include "endgame.h"
+#include "evaluate.h"
+#include "material.h"
+#include "mersenne.h"
+#include "misc.h"
+#include "movepick.h"
+#include "position.h"
+#include "search.h"
+#include "thread.h"
+#include "uci.h"
+#include "ucioption.h"
+
+
+//// 
+//// Functions
+////
+
+int main(int argc, char *argv[]) {
+
+  // Disable IO buffering
+  setbuf(stdin, NULL);
+  setbuf(stdout, NULL);
+  std::cout.rdbuf()->pubsetbuf(NULL, 0);
+  std::cin.rdbuf()->pubsetbuf(NULL, 0);
+
+  // Initialization
+
+  init_mersenne();
+  init_direction_table();
+  init_bitboards();
+  init_uci_options();
+  Position::init_zobrist();
+  Position::init_piece_square_tables();
+  MaterialInfo::init();
+  MovePicker::init_phase_table();
+  init_eval(1);
+  init_bitbases();
+  init_threads();
+
+  // Make random number generation less deterministic, for book moves
+  int i = abs(get_system_time() % 10000);
+  for(int j = 0; j < i; j++)
+    genrand_int32();
+
+  // Process command line arguments
+  if(argc >= 2) {
+    if(std::string(argv[1]) == "bench") {
+      if(argc != 4) {
+        std::cout << "Usage: glaurung bench <hash> <threads>" << std::endl;
+        exit(0);
+      }
+      benchmark(std::string(argv[2]), std::string(argv[3]));
+      return 0;
+    }
+  }
+
+  // Print copyright notice
+  std::cout << engine_name() << ".  "
+            << "Copyright (C) 2004-2008 Tord Romstad."
+            << std::endl;
+
+  // Enter UCI mode
+  uci_main_loop();
+
+  return 0;
+}