round

flt.round([ndigits]) â integer or float

Instance Public methods

Rounds flt to a given precision in decimal digits (default 0 digits). Precision may be negative. Returns a floating point number when ndigits is more than zero.

4.round      #=> 1
5.round      #=> 2
6.round      #=> 2
(-1.5).round   #=> -2
 
234567.round(2)  #=> 1.23
234567.round(3)  #=> 1.235
234567.round(4)  #=> 1.2346
234567.round(5)  #=> 1.23457
 
89.round(-5) #=> 0
89.round(-4) #=> 30000
89.round(-3) #=> 35000
89.round(-2) #=> 34600
89.round(-1) #=> 34570
89.round(0)  #=> 34568
89.round(1)  #=> 34567.9
89.round(2)  #=> 34567.89
89.round(3)  #=> 34567.89

doc_ruby_on_rails

2025-01-10 15:47:30

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