stopwatch.h

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// https://AudioProcessingFramework.github.io/
 
 
// TODO: check C++11 timing tools:
// http://bstamour.ca/2012/05/13/timing-functions-with-chrono/
// http://solarianprogrammer.com/2012/10/14/cpp-11-timing-code-performance/
// http://ideone.com/clone/SCRI6
// http://kjellkod.wordpress.com/2012/02/06/exploring-c11-part-1-time/
 
#include <ctime>
#include <iostream>
 
namespace apf
{
 
class StopWatch
{
  public:
    StopWatch(const std::string& name = "this activity") :
      _start(std::clock()),
      _name(name)
    {}
 
    ~StopWatch()
    {
      clock_t total = std::clock() - _start;
      std::cout << _name << " took " << double(total)/CLOCKS_PER_SEC
        << " seconds." << std::endl;
    }
 
  private:
    std::clock_t _start;
    std::string _name;
};
 
}  // namespace apf