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timedifference.cpp
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timedifference.cpp
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#include "r-tech1/timedifference.h"
#include <sstream>
#include <iostream>
#include <string>
#include <math.h>
#include "r-tech1/system.h"
#include "r-tech1/debug.h"
using namespace std;
TimeDifference::TimeDifference():
start(0),
end(0){
}
void TimeDifference::startTime(){
start = System::currentMilliseconds();
}
void TimeDifference::endTime(){
end = System::currentMilliseconds();
}
const string TimeDifference::printTime(){
return this->printTime("Function took");
}
unsigned long long int TimeDifference::getTime(){
unsigned long long int g = end - start;
return g;
}
static double roundit(double number, int digits){
return (long long) (number * pow((double) 10.0, digits)) / pow((double) 10.0, digits);
}
const string TimeDifference::printAverageTime(const std::string & description, int runs){
return printTime(description, runs);
}
const string TimeDifference::printTime(const string & description, int runs){
double total = getTime() / (double) runs;
string units = "milliseconds";
int unit_times[] = {1000, 60};
string unit_descriptions[] = {"seconds", "minutes"};
for (unsigned int index = 0; index < sizeof(unit_times) / sizeof(int); index++){
if (total > unit_times[index]){
total /= unit_times[index];
units = unit_descriptions[index];
} else {
break;
}
}
ostringstream o;
o << description << " " << roundit(total, 3) << " " << units;
return o.str();
/*
unsigned long long int micro = (end.tv_sec*1000000+end.tv_usec) - (start.tv_sec*1000000 + start.tv_usec );
unsigned long long int milli = micro / 1000;
unsigned long long int sec = milli / 1000;
//cout<<s<<" took "<<micro<<" microseconds / "<< milli << " milliseconds / " <<sec<< " seconds "<< endl;
ostringstream o;
o << s <<" took "<<micro<<" microseconds / "<< milli << " milliseconds / " <<sec<< " seconds";
return o.str();
*/
}
TimeDifference::~TimeDifference(){
}
TimeCheck::TimeCheck(const std::string & description):
description(description){
time.startTime();
}
TimeCheck::~TimeCheck(){
time.endTime();
Global::debug(0) << time.printTime(description) << std::endl;
}

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