How to display a number of type Float64 upto one decimal place only

I have a variable , Float64 min; I want to display it only upto 1 place of decimal. Right now, I get 6 places if I use 开发者_C百科%f. How do I get only upto 1 place?

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Use:

printf("%.1f", min);

See any reference such as this for details.