#include "Stopwatch.h"

Stopwatch::Stopwatch() {
  fclockTicks = 0;
  fclockTicks = sysconf(_SC_CLK_TCK);
}

Stopwatch::~Stopwatch() {
}

void Stopwatch::start(){
  fstart = times(&ftmsStart);
}

void Stopwatch::stop(){
  fend = times(&ftmsEnd);
}

double Stopwatch::getRealTime(){
  double retval;
  retval = ((fend-fstart)/(double)fclockTicks);
  return retval;
}

double Stopwatch::getSysTime(){
  double retval;
  retval = ((ftmsEnd.tms_stime - ftmsStart.tms_stime)/(double)fclockTicks);
  return retval;
}

string Stopwatch::formatRealTime(){
  string retval;
  char carry[30];
  sprintf(carry,"RT=%7.5f",getRealTime());
  retval = carry;
  return retval;
}

string Stopwatch::formatSysTime(){
  string retval;
  char carry[30];
  sprintf(carry,"Cpu=%7.5f",getSysTime());
  retval = carry;
  return retval;
}