Util: Add fancyprint function

src/util/timer.cpp

@@ -1,6 +1,6 @@
-#include <algorithm> // max, min
-#include <chrono>  // high_resolution_clock seconds, milliseconds, microseconds, nanoseconds
+#include <chrono>  // high_resolution_clock, seconds, milliseconds, microseconds, nanoseconds
 #include <cstdint> // uint64_t
+#include <cstdio> // printf
 
 #include "util/timer.h"
 
@@ -69,4 +69,20 @@ uint64_t Timer::elapsedNanoseconds()
 	return elapsed<std::chrono::nanoseconds>();
 }
 
+void Timer::fancyPrint(uint64_t nanoseconds)
+{
+	if (nanoseconds > 999999999) {
+		printf("%.3fs", nanoseconds / 1000000000.0);
+	}
+	else if (nanoseconds > 999999) {
+		printf("%.0fms", nanoseconds / 1000000.0);
+	}
+	else if (nanoseconds > 999) {
+		printf("%.0fμs", nanoseconds / 1000.0);
+	}
+	else {
+		printf("%luns", nanoseconds);
+	}
+}
+
 } // namespace Util

src/util/timer.h

@@ -32,6 +32,8 @@ public:
 	uint64_t elapsedMicroseconds();
 	uint64_t elapsedNanoseconds();
 
+	static void fancyPrint(uint64_t nanoseconds);
+
 	const TimePoint& start() const { return m_start; }
 
 private: