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round-i.ri
U:RDoc::AnyMethod[iI" round:ETI"Rational#round;TF: publico:RDoc::Markup::Document: @parts[o: RDoc::Markup::Paragraph; [I"5Returns +rat+ rounded to the nearest value with ;TI":a precision of +ndigits+ decimal digits (default: 0).;To: RDoc::Markup::BlankLine o; ; [I"FWhen the precision is negative, the returned value is an integer ;TI";with at least <code>ndigits.abs</code> trailing zeros.;T@o; ; [I"4Returns a rational when +ndigits+ is positive, ;TI""otherwise returns an integer.;T@o:RDoc::Markup::Verbatim; [I""Rational(3).round #=> 3 ;TI""Rational(2, 3).round #=> 1 ;TI"#Rational(-3, 2).round #=> -2 ;TI" ;TI". # decimal - 1 2 3 . 4 5 6 ;TI"- # ^ ^ ^ ^ ^ ^ ;TI"- # precision -3 -2 -1 0 +1 +2 ;TI" ;TI"5Rational('-123.456').round(+1).to_f #=> -123.5 ;TI"3Rational('-123.456').round(-1) #=> -120 ;T: @format0o; ; [I"7The optional +half+ keyword argument is available ;TI" similar to Float#round.;T@o; ; [I"9Rational(25, 100).round(1, half: :up) #=> (3/10) ;TI"8Rational(25, 100).round(1, half: :down) #=> (1/5) ;TI"8Rational(25, 100).round(1, half: :even) #=> (1/5) ;TI"8Rational(35, 100).round(1, half: :up) #=> (2/5) ;TI"9Rational(35, 100).round(1, half: :down) #=> (3/10) ;TI"8Rational(35, 100).round(1, half: :even) #=> (2/5) ;TI":Rational(-25, 100).round(1, half: :up) #=> (-3/10) ;TI"9Rational(-25, 100).round(1, half: :down) #=> (-1/5) ;TI"8Rational(-25, 100).round(1, half: :even) #=> (-1/5);T; 0: @fileI"rational.c;T:0@omit_headings_from_table_of_contents_below0I"Brat.round([ndigits] [, half: mode]) -> integer or rational ;T0[ I"(*args, p2 = {});T@3FI" Rational;TcRDoc::NormalClass00