Ruby | Rational round() function
The round() is an inbuilt function in Ruby returns rational rounded to the nearest value with a precision of ndigits decimal digits. ndigits by default is 0. It returns a rational when ndigits is positive, otherwise returns an integer.
Syntax: rational.round(ndigits)
Parameters: The function accepts a single parameter
Return Value: It returns rational rounded to the nearest value with a precision of ndigits decimal digits.
Example 1:
# Ruby program for round() method # Initialize rational number rat1 = Rational(-4, 3) # Prints the rational number puts rat1.round() |
chevron_right
filter_none
Output:
-1
Example 2:
# Ruby program for round() method # Initialize rational number rat1 = Rational('123.456') # Prints the rational number puts rat1.round(1) puts rat1.round(-1) |
chevron_right
filter_none
Output:
247/2 120
Recommended Posts:
- Ruby | Rational rational() function()
- Ruby | Rational quo() function
- Ruby | Rational abs() function
- Ruby | Rational <=> function
- Ruby | Rational to_r() function
- Ruby | Rational to_i() function
- Ruby | Rational fdiv() function
- Ruby | Rational denominator() function
- Ruby | Rational inspect() function
- Ruby | Rational numerator() function
- Ruby | Rational to_f() function
- Ruby | Rational to_s() function
- Ruby | Rational positive?() function
- Ruby | Rational rationalize() function
- Ruby | Rational truncate() function
If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.
Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.
