first commit of duality

src/duality/duality_profiling.h

@@ -0,0 +1,38 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    duality_profiling.h
+
+Abstract:
+
+   collection performance information for duality
+
+Author:
+
+    Ken McMillan (kenmcmil)
+
+Revision History:
+
+
+--*/
+
+#ifndef DUALITYPROFILING_H
+#define DUALITYPROFILING_H
+
+#include <ostream>
+
+namespace Duality {
+  /** Start a timer with given name */
+  void timer_start(const char *);
+  /** Stop a timer with given name */
+  void timer_stop(const char *);
+  /** Print out timings */
+  void print_profile(std::ostream &s);
+  /** Show the current time. */
+  void show_time();
+}
+
+#endif
+