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Epetra_Time.h
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00001 /*
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00003 // ************************************************************************
00004 // 
00005 //               Epetra: Linear Algebra Services Package 
00006 //                 Copyright 2001 Sandia Corporation
00007 // 
00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00009 // the U.S. Government retains certain rights in this software.
00010 //
00011 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
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00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
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00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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00042 */
00043 
00044 #ifndef EPETRA_TIME_H
00045 #define EPETRA_TIME_H
00046 
00048 
00058 #include "Epetra_ConfigDefs.h"
00059 #include "Epetra_Object.h"
00060 #include "Epetra_Comm.h"
00061 
00062 #ifdef EPETRA_MPI
00063 #include "mpi.h"
00064 #else 
00065 #if ICL || defined(_WIN32)
00066 #include <time.h>
00067 #else
00068 #include <sys/time.h>
00069 #ifndef MINGW
00070 #include <sys/resource.h>
00071 #endif
00072 #endif
00073 #endif
00074 
00075 class EPETRA_LIB_DLL_EXPORT Epetra_Time: public Epetra_Object {
00076     
00077   public:
00079 
00083   Epetra_Time(const Epetra_Comm & Comm);
00084 
00086 
00088   Epetra_Time(const Epetra_Time& Time);
00089 
00091 
00095   double WallTime(void) const;
00096 
00098 
00102   void ResetStartTime(void);
00103 
00105 
00111   double ElapsedTime(void) const;
00112 
00114 
00116   virtual ~Epetra_Time(void);
00117 
00118   Epetra_Time& operator=(const Epetra_Time& src)
00119     {
00120       StartTime_ = src.StartTime_;
00121       Comm_ = src.Comm_;
00122       return( *this );
00123     }
00124 
00125  private:
00126 
00127   double StartTime_;
00128   const Epetra_Comm * Comm_;
00129   
00130 };
00131 
00132 #endif /* EPETRA_TIME_H */
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