From 3c99ab2eb06e3b9043ac96b6c34b8336df0eb39c Mon Sep 17 00:00:00 2001
From: Mattrixwv <m_ellison@ymail.com>
Date: Wed, 8 Jul 2020 16:39:25 -0400
Subject: [PATCH] Added a function that returns a string when passed a duration
 in nanoseconds. Helpful for easy conversion in some benchmarks

---
 Stopwatch.hpp | 44 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 43 insertions(+), 1 deletion(-)

diff --git a/Stopwatch.hpp b/Stopwatch.hpp
index df835a8..eec923f 100644
--- a/Stopwatch.hpp
+++ b/Stopwatch.hpp
@@ -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();