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Added a function that returns a string when passed

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a duration in nanoseconds.
Helpful for easy conversion in some benchmarks
This commit is contained in:
Mattrixwv
2020-07-08 16:39:25 -04:00
parent 2a3c022136
commit 3c99ab2eb0
1 changed files with 43 additions and 1 deletions
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44
Stopwatch.hpp
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@@ -147,7 +147,7 @@ public:
//Returns a string with the time at best resolution
std::string getStr(){
//Setup the variables
double tempTime = getTime(NANOSECOND); //Holds the
double tempTime = getTime(NANOSECOND); //Holds the time that we are manipulating
std::stringstream timeStr;
//Decide what time resolution would be best. Looking for the format of XXX.XXX
@@ -192,6 +192,48 @@ public:
endTime = startTime = std::chrono::high_resolution_clock::time_point(); //Set the times with a blank time
}
friend std::ostream& operator<<(std::ostream& out, Stopwatch& timer);
static std::string getStr(double nanoseconds){
//Setup the variables
double tempTime = nanoseconds; //Holds the time that we are manipulating
std::stringstream timeStr;
//Decide what time resolution would be best. Looking for the format of XXX.XXX
int timeRes = NANOSECOND;
for(timeRes = MICROSECOND;(timeRes < DEFAULT) && (tempTime >= 1000);++timeRes){
tempTime /= 1000;
}
--timeRes; //Take this variable back down to the right place. It has to go one too far to trigger the loop stop
//Check if the resolution is seconds and if there are more than 120 seconds
if((timeRes == SECOND) && (tempTime >= 120)){
++timeRes;
tempTime /= 60;
}
//Check if the resolution is minutes and if there are more than 120 minutes
else if((timeRes == MINUTE) && (tempTime >= 120)){
++timeRes;
tempTime /= 60;
}
//Put the number in the string
timeStr << std::fixed << std::setprecision(3) << tempTime << ' ';
//From the timeRes variable decide what word should go on the end of the string
switch(timeRes){
case HOUR: timeStr << "hours"; break;
case MINUTE: timeStr << "minutes"; break;
case SECOND: timeStr << "seconds"; break;
case MILLISECOND: timeStr << "milliseconds"; break;
case MICROSECOND: timeStr << "microseconds"; break;
case NANOSECOND: timeStr << "nanoseconds"; break;
case DEFAULT: timeStr << "time"; break;
default: throw invalidTimeResolution(); //This should never be hit with this code, but it's good to have all the bases covered
}
//Return the string
return timeStr.str();
}
}; //end class Stopwatch
std::ostream& operator<<(std::ostream& out, Stopwatch& timer){
out << timer.getStr();