How to increase the digits of demical places of GetGlobalTime()

I used theTrack->GetGlobalTime() to get the TOF of particles, but it only display to 0.01ns. If I hope to get more precise result(for examlple 0.1234ns), how should I apply?

The value of GetGlobalTime() is a double, with 17 decimal digits of precision. The display of that value depends on how you have configured your output. You may use the ostream manipulators (setw, setprecision, etc.) to determine how the output display is formatted. This is a generic C++/STL question.

OK,I got it, thanks!

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