Consistent use of anonymous namespace

[stockfish] / src / misc.cpp

diff --git a/src/misc.cpp b/src/misc.cpp
index efa57a581acf1ebf96d146d202e126b2e2f5b077..0052f21e05c95dc3767e059f9bece1b12c53d570 100644 (file)
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, 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
@@ -17,6 +17,7 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <fstream>
 #include <iomanip>
 #include <iostream>
 #include <sstream>
@@ -26,58 +27,14 @@
 
 using namespace std;
 
+namespace {
+
 /// Version number. If Version is left empty, then compile date in the format
 /// DD-MM-YY and show in engine_info.
-static const string Version = "";
-
-
-/// engine_info() returns the full name of the current Stockfish version. This
-/// will be either "Stockfish <Tag> DD-MM-YY" (where DD-MM-YY is the date when
-/// the program was compiled) or "Stockfish <Version>", 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");
-  string month, day, year;
-  stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
-
-  s << "Stockfish " << Version << setfill('0');
-
-  if (Version.empty())
-  {
-      date >> month >> day >> year;
-      s << setw(2) << day << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
-  }
-
-  s << (Is64Bit ? " 64" : "")
-    << (HasPopCnt ? " SSE4.2" : "")
-    << (to_uci ? "\nid author ": " by ")
-    << "Tord Romstad, Marco Costalba and Joona Kiiski";
-
-  return s.str();
-}
-
-
-/// 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 "
-           << (double)means[1] / means[0] << endl;
-}
+const string Version = "";
 
+/// Debug counters
+int64_t hits[2], means[2];
 
 /// Our fancy logging facility. The trick here is to replace cin.rdbuf() and
 /// cout.rdbuf() with two Tie objects that tie cin and cout to a file stream. We
@@ -136,6 +93,53 @@ public:
   }
 };
 
+} // namespace
+
+/// engine_info() returns the full name of the current Stockfish version. This
+/// will be either "Stockfish <Tag> DD-MM-YY" (where DD-MM-YY is the date when
+/// the program was compiled) or "Stockfish <Version>", 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");
+  string month, day, year;
+  stringstream ss, date(__DATE__); // From compiler, format is "Sep 21 2008"
+
+  ss << "Stockfish " << Version << setfill('0');
+
+  if (Version.empty())
+  {
+      date >> month >> day >> year;
+      ss << setw(2) << day << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
+  }
+
+  ss << (Is64Bit ? " 64" : "")
+     << (HasPext ? " BMI2" : (HasPopCnt ? " SSE4.2" : ""))
+     << (to_uci  ? "\nid author ": " by ")
+     << "Tord Romstad, Marco Costalba and Joona Kiiski";
+
+  return ss.str();
+}
+
+
+/// Debug functions used mainly to collect run-time statistics
+
+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 "
+           << (double)means[1] / means[0] << endl;
+}
+
 
 /// Used to serialize access to std::cout to avoid multiple threads writing at
 /// the same time.
@@ -144,10 +148,10 @@ std::ostream& operator<<(std::ostream& os, SyncCout sc) {
 
   static Mutex m;
 
-  if (sc == io_lock)
+  if (sc == IO_LOCK)
       m.lock();
 
-  if (sc == io_unlock)
+  if (sc == IO_UNLOCK)
       m.unlock();
 
   return os;