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Ruby | BigDecimal round() function

  • Last Updated : 05 Dec, 2019
Geek Week

BigDecimal#round() : round() is a BigDecimal class method which rounds the Big decimal to the nearest integer.

Syntax: BigDecimal.round()

Parameter: BigDecimal values

Return: rounds the Big decimal to the nearest integer.

Example #1 :






# Ruby code for BigDecimal.round() method
  
# loading library
require 'bigdecimal'
  
# declaring bigdecimal
a = 42.1**13
  
# declaring bigdecimal
b = -BigDecimal("10")
  
# declaring bigdecimal
c = -(22 ** 7.1) * 10
  
# round() method
puts "BigDecimal round example : #{a.round()}\n\n"
  
puts "BigDecimal round example : #{b.round()}\n\n"
  
puts "BigDecimal round example : #{c.round()}\n\n"

Output :

BigDecimal round example : 1305170490200643862528

BigDecimal round example : -10

BigDecimal round example : -33978252068

Example #2 :




# Ruby code for BigDecimal.round() method
  
# loading library
require 'bigdecimal'
  
# declaring bigdecimal
a = 12**12 - 27
  
# declaring bigdecimal
b = BigDecimal('10')-(22 ** 7.1) ** 10
  
# declaring bigdecimal
c = BigDecimal('-3')
  
# round() method
puts "BigDecimal round example : #{a.round()}\n\n"
  
puts "BigDecimal round example : #{b.round()}\n\n"
  
puts "BigDecimal round example : #{c.round()}\n\n"

Output :


BigDecimal round example : 8916100448229

BigDecimal round example : -205121100730586399999999999999999999999999999999999999999999999999999999999999999999999999999990

BigDecimal round example : -3



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