cout.setf(ios::fixed)

What means the next line

   cout setf(ios::fixed)
rene zinkenAsked:
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radagastCommented:
This chooses the "fixed" format for printing floating point numbers. The effect is that floating pointer numbers will be
printed in the format xxxx.yyy where the number of digits after
the point is given by 'precision()' and the total length of the output is given by 'width()'.
However, you should modify the statement to become
  cout.setf(ios::fixed, ios::floatfield);
to make sure that other format flags are properly cleared.
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