Changed OpenMesh directory structure

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@106 fdac6126-5c0c-442c-9429-916003d36597

src/OpenMesh/Tools/Utils/Timer.hh

@@ -0,0 +1,169 @@
+// ============================================================================
+// $Id: Timer.hh,v 1.1.1.1 2006-10-25 16:14:15 habbecke Exp $
+// ----------------------------------------------------------------------------
+#ifndef TIMER_HH
+#define TIMER_HH
+// ----------------------------------------------------------------------------
+
+/** \file Timer.hh
+    A timer class
+*/
+
+
+// ----------------------------------------------------------------------------
+
+#include <OpenMesh/Core/System/config.hh>
+//
+#include <iostream>
+#include <string>
+#if defined(OM_CC_MIPS)
+#  include <assert.h>
+#else
+#  include <cassert>
+#endif
+
+
+// ------------------------------------------------------------- namespace ----
+
+namespace OpenMesh {
+namespace Utils {
+
+
+// -------------------------------------------------------------- forwards ----
+
+
+class TimerImpl;
+
+
+// ----------------------------------------------------------------- class ----
+
+/** Timer class
+ */
+class Timer
+{
+public:
+
+  /// Formatting options for member Timer::as_string()
+  enum Format {
+    Automatic,
+    Long,
+    Hours,
+    Minutes,
+    Seconds,
+    HSeconds,
+    MSeconds,
+    MicroSeconds,
+    NanoSeconds
+  };
+
+  Timer(void);
+  ~Timer(void);
+
+  /// Returns true if self is in a valid state!
+  bool is_valid() const { return state_!=Invalid; }
+
+  bool is_stopped() const { return state_==Stopped; }
+
+  /// Reset the timer
+  void reset(void);
+
+  /// Start measurement
+  void start(void);
+
+  /// Stop measurement
+  void stop(void);
+
+  /// Continue measurement
+  void cont(void);
+
+  /// Give resolution of timer. Depends on the underlying measurement method.
+  float resolution() const;
+    
+  /// Returns measured time in seconds, if the timer is in state 'Stopped'
+  double seconds(void) const;
+
+  /// Returns measured time in hundredth seconds, if the timer is in state 'Stopped'
+  double hseconds(void) const { return seconds()*1e2; }
+
+  /// Returns measured time in milli seconds, if the timer is in state 'Stopped'
+  double mseconds(void) const { return seconds()*1e3; }
+
+  /// Returns measured time in micro seconds, if the timer is in state 'Stopped'
+  double useconds(void) const { return seconds()*1e6; }
+  
+  /** Returns the measured time as a string. Use the format flags to specify
+      a wanted resolution.
+   */
+  std::string as_string(Format format = Automatic);
+  
+  /** Returns a given measured time as a string. Use the format flags to 
+      specify a wanted resolution.
+   */
+  static std::string as_string(double seconds, Format format = Automatic);
+
+public:
+
+  //@{
+  /// Compare timer values
+  bool operator < (const Timer& t2) const 
+  { 
+    assert( is_stopped() && t2.is_stopped() ); 
+    return (seconds() < t2.seconds()); 
+  }
+
+  bool operator > (const Timer& t2) const
+  { 
+    assert( is_stopped() && t2.is_stopped() ); 
+    return (seconds() > t2.seconds()); 
+  }
+
+  bool operator == (const Timer& t2) const
+  { 
+    assert( is_stopped() && t2.is_stopped() ); 
+    return (seconds() == t2.seconds()); 
+  }
+
+  bool operator <= (const Timer& t2) const
+  {
+    assert( is_stopped() && t2.is_stopped() ); 
+    return (seconds() <= t2.seconds()); 
+  }
+
+  bool operator >=(const Timer& t2) const
+  { 
+    assert( is_stopped() && t2.is_stopped() ); 
+    return (seconds() >= t2.seconds()); 
+  }
+  //@}
+
+protected:
+
+  TimerImpl *impl_;
+
+  enum {
+    Invalid = -1,
+    Stopped =  0,
+    Running =  1
+  } state_;
+
+};
+
+
+/** Write seconds to output stream. 
+ *  Timer must be stopped before.
+ *  \relates Timer
+ */
+inline std::ostream& operator << (std::ostream& _o, const Timer& _t)
+{
+   return (_o << _t.seconds());
+}
+
+
+// ============================================================================
+} // END_NS_UTILS
+} // END_NS_OPENMESH
+// ============================================================================
+#endif
+// end of Timer.hh
+// ===========================================================================
+