hier die prima Stoppuhr

[[Imported from SVN: r926]]

common/timer.hh

+// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+// vi: set et ts=4 sw=2 sts=2:
+#ifndef __DUNE_TIMER_HH__
+#define __DUNE_TIMER_HH__
+
+#include <math.h>
+#include <complex>
+#include <iostream>
+#include <iomanip>
+#include <string>
+#include <sys/times.h>            // for timing measurements
+
+
+/*! \file
+
+    A simple timing class.
+ */
+
+namespace Dune {
+
+  /** @addtogroup ISTL
+          @{
+   */
+
+
+  //! a simple stop watch
+  class Timer
+  {
+  public:
+    //! a new timer, start immediately
+    Timer ()
+    {
+      struct tms buf;
+      cstart = times(&buf);
+    }
+
+    //! reset timer
+    void reset ()
+    {
+      struct tms buf;
+      cstart = times(&buf);
+    }
+
+    //! get elapsed time in seconds
+    double elapsed ()
+    {
+      struct tms buf;
+      cend = times(&buf);
+      return ((double)(cend-cstart))/100.0;
+    }
+
+  private:
+    clock_t cstart,cend;
+  };
+
+
+  /** @} end documentation */
+
+} // end namespace
+
+#endif