Added a function to return a string of the time at recomended resolution

This commit is contained in:
Matthew Ellison
2019-02-10 00:15:27 -05:00
parent 84cbf6d5af
commit 9466ef4f0d

View File

@@ -26,6 +26,8 @@
#include <chrono>
#include <sstream>
#include <iomanip>
namespace mee{
class Stopwatch{
@@ -34,7 +36,7 @@ private:
std::chrono::high_resolution_clock::time_point endTime; //The time the stop function was called
bool hasStarted; //A flag to show that start() has been called
bool hasStopped; //A flag to show that stop() has been called
enum TIME_RESOLUTION {HOUR, MINUTE, SECOND, MILLISECOND, MICROSECOND, NANOSECOND, DEFAULT};
enum TIME_RESOLUTION {NANOSECOND, MICROSECOND, MILLISECOND, SECOND, MINUTE, HOUR, DEFAULT};
//Return the duration in the default time period for the high_resolution_clock
double getTime(TIME_RESOLUTION timeResolution){
double timePassed = 0; //Holds the amount of time that has passed
@@ -132,6 +134,37 @@ public:
double getTime(){
return getTime(DEFAULT);
}
//Returns a string with the time at best resolution
std::string getStr(){
//Setup the variables
double tempTime = getTime(NANOSECOND); //Holds the
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 = getTime(static_cast<TIME_RESOLUTION>(timeRes));
}
--timeRes; //Take this variable back down to the right place. It has to go one too far to trigger the loop stop
//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: break;
default: timeStr << "ERROR";
}
//Return the string
return timeStr.str();
}
//This function resets all the variables so that it can be run again
void reset(){
hasStarted = hasStopped = false; //Set the flags as though nothing has happened