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Ruby | Numeric ceil() function

  • Last Updated : 18 Jan, 2021

The ceil() is an inbuilt method in Ruby returns the smallest number which is greater than or equal to the given number by keeping a precision of n digits of the decimal part. 

Syntax: num.ceil(n digits)

Parameters: The function needs a number and n digits to which the precision of decimal digits is kept. In case no n digits is passed it takes 0 to be the default value. 

Return Value: It returns the smallest number which is greater than or equal to the given number by keeping a precision of n digits of the decimal part.

Example 1:  



Ruby




# Ruby program for ceil() method in Numeric
 
# Initialize a number
num1 = -19
 
num2 = -18.97
 
num3 = 18.98
 
 
# Prints ceil() of num
puts  num1.ceil()
puts  num2.ceil()
puts  num3.ceil()

Output

-19
-18
19

Example 2

Ruby




# Ruby program for ceil() method in Numeric
 
# Initialize a number
num1 = -19.897
 
num2 = -18.321
 
num3 = 190.23213
 
 
# Prints ceil() of num
puts  num1.ceil(1)
puts  num2.ceil(2)
puts  num3.ceil(3)

Output

-19.8
-18.32
190.233

 

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