Initial import of Glaurung 2.1

2025-12-18 08:07:08 +08:00 · 2008-09-01 07:59:13 +02:00
commit bb751d6c89
64 changed files with 18948 additions and 0 deletions
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -0,0 +1,169 @@
+/*
+  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
+////
+
+#if !defined(_MSC_VER)
+
+#  include <sys/time.h>
+#  include <sys/types.h>
+#  include <unistd.h>
+
+#else
+
+#  include <windows.h>
+#  include <time.h>
+#  include "dos.h"
+int gettimeofday(struct timeval * tp, struct timezone * tzp);
+
+#endif
+
+#include <cstdio>
+#include <iomanip>
+#include <sstream>
+
+#include "misc.h"
+
+
+//// 
+//// Functions
+////
+
+/// engine_name() returns the full name of the current Glaurung version.
+/// This will be either "Glaurung YYMMDD" (where YYMMDD is the date when the
+/// program was compiled) or "Glaurung <version number>", depending on whether
+/// the constant EngineVersion (defined in misc.h) is empty.
+
+const std::string engine_name() {
+  if(EngineVersion == "") {
+    static const char monthNames[12][4] = {
+      "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
+    };
+    const char *dateString = __DATE__;
+    std::stringstream s;
+    int month = 0, day = 0;
+    
+    for(int i = 0; i < 12; i++)
+      if(strncmp(dateString, monthNames[i], 3) == 0)
+        month = i + 1;
+    day = atoi(dateString+4);
+    
+    s << "Glaurung " << (dateString+9) << std::setfill('0') << std::setw(2)
+      << month << std::setfill('0') << std::setw(2) << day;
+    
+    return s.str();
+  }
+  else
+    return "Glaurung " + EngineVersion;
+}
+
+
+/// get_system_time() returns the current system time, measured in
+/// milliseconds.
+
+int get_system_time() {
+  struct timeval t;
+  gettimeofday(&t, NULL);
+  return t.tv_sec*1000 + t.tv_usec/1000; 
+}
+
+
+/// cpu_count() tries to detect the number of CPU cores.
+
+#if !defined(_MSC_VER)
+
+#  if defined(_SC_NPROCESSORS_ONLN)
+int cpu_count() {
+  return Min(sysconf(_SC_NPROCESSORS_ONLN), 8);
+}
+#  else
+int cpu_count() {
+  return 1;
+}
+#  endif
+
+#else
+
+int cpu_count() {
+  SYSTEM_INFO s;
+  GetSystemInfo(&s);
+  return Min(s.dwNumberOfProcessors, 8);
+}
+
+#endif
+
+
+/*
+  From Beowulf, from Olithink
+*/
+#ifndef _WIN32
+/* Non-windows version */
+int Bioskey()
+{
+  fd_set          readfds;
+  struct timeval  timeout;
+  
+  FD_ZERO(&readfds);
+  FD_SET(fileno(stdin), &readfds);
+  /* Set to timeout immediately */
+  timeout.tv_sec = 0;
+  timeout.tv_usec = 0;
+  select(16, &readfds, 0, 0, &timeout);
+  
+  return (FD_ISSET(fileno(stdin), &readfds));
+}
+
+#else
+/* Windows-version */
+#include <windows.h>
+#include <conio.h>
+int Bioskey()
+{
+    static int      init = 0,
+                    pipe;
+    static HANDLE   inh;
+    DWORD           dw;
+    /* If we're running under XBoard then we can't use _kbhit() as the input
+     * commands are sent to us directly over the internal pipe */
+
+#if defined(FILE_CNT)
+    if (stdin->_cnt > 0)
+        return stdin->_cnt;
+#endif
+    if (!init) {
+        init = 1;
+        inh = GetStdHandle(STD_INPUT_HANDLE);
+        pipe = !GetConsoleMode(inh, &dw);
+        if (!pipe) {
+            SetConsoleMode(inh, dw & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));
+            FlushConsoleInputBuffer(inh);
+        }
+    }
+    if (pipe) {
+        if (!PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL))
+            return 1;
+        return dw;
+    } else {
+        GetNumberOfConsoleInputEvents(inh, &dw);
+        return dw <= 1 ? 0 : dw;
+    }
+}
+#endif