pcl: time.hpp Source File

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00035 
00036 #include <iostream>
00037 
00038 inline double 
00039   pcl::getTime ()
00040 {
00041   timeval current_time;
00042 #ifdef _WIN32
00043   DWORD time = timeGetTime ();
00044   current_time.tv_sec  = time / 1000;
00045   current_time.tv_usec = time % 1000;
00046 #else
00047   gettimeofday (&current_time, NULL);
00048 #endif
00049   return (current_time.tv_sec + 1e-6 * current_time.tv_usec);
00050 }
00051 
00052 inline pcl::ScopeTime::ScopeTime (const char* title) : title_ (title)
00053 {
00054 #ifdef _WIN32
00055   QueryPerformanceFrequency (&frequency_);
00056   QueryPerformanceCounter (&start_time_);
00057 #else
00058   gettimeofday (&start_time_, NULL);
00059 #endif
00060   //std::cerr << "start time is ("<<_startTime.tv_sec<<", "<<_startTime.tv_usec<<").\n";
00061 }
00062 
00063 inline pcl::ScopeTime::~ScopeTime ()
00064 {
00065 #ifdef _WIN32
00066   LARGE_INTEGER end_time;
00067   QueryPerformanceCounter (&end_time);
00068   double duration = (end_time.QuadPart - start_time_.QuadPart) * 1000.0 / frequency_.QuadPart;
00069 #else
00070   timeval end_time;
00071   gettimeofday (&end_time, NULL);
00072   double duration = end_time.tv_sec - start_time_.tv_sec + 1e-6 * (end_time.tv_usec - start_time_.tv_usec);
00073 #endif
00074   //std::cerr << "start time is ("<<_startTime.tv_sec<<", "<<_startTime.tv_usec<<")."
00075   //          << " End time is ("<<endTime.tv_sec<<", "<<endTime.tv_usec<<") => "<<std::fixed<<duration<<"\n";
00076   std::cerr << title_ << " took " << 1000 * duration << "ms.\n";
00077 }