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			21 lines
		
	
	
		
			332 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			332 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright © 2023 Apple Inc.
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| 
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| #pragma once
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| 
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| #include <chrono>
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| 
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| namespace timer {
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| 
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| using namespace std::chrono;
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| 
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| template <typename R, typename P>
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| inline double seconds(duration<R, P> x) {
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|   return duration_cast<nanoseconds>(x).count() / 1e9;
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| }
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| 
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| inline auto time() {
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|   return high_resolution_clock::now();
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| }
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| 
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| } // namespace timer
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