Ruby | Numeric i() function

Ruby | Numeric infinite? function

Last Updated : 19 Mar, 2024

The infinite?() is an inbuilt method in Ruby returns nil if the number is finite. It returns -1 and +1 if the number is -infinity or +infinity.

Syntax: num.infinite?() Parameters: The function needs a number which is to be checked. Return Value: It returns nil, -1 or +1.

Example 1:

Ruby

# Ruby program for infinite?
# method in Numeric

# Initialize a number 
num1 = 12

# Prints Imaginary number
puts num1.infinite?()

Output:

Example 2:

Ruby

# Ruby program for infinite?
# method in Numeric

# Initialize a number 
num1 = 12/0.0
num2 = -12/0.0

# Prints Imaginary number
puts num1.infinite?()
puts num2.infinite?()

Output:

1
-1

Ruby | Numeric i() function

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