CPUTime.h

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#pragma once
 
#include <ctime>
 
namespace BaseLib
{
class CPUTime
{
public:
    void start() { start_time_ = clock(); }
 
    double elapsed() const
    {
        return (clock() - start_time_) / static_cast<double>(CLOCKS_PER_SEC);
    }
 
private:
    double start_time_ = 0.;
};
 
}  // end namespace BaseLib