Ruby | Numeric zero? function

Last Updated : 19 Mar, 2024

The zero?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is a negative one, else it returns false.

Syntax: num.zero?()

Parameters: The function needs a number which is to be checked for.

Return Value: It returns returns a boolean value.

Example 1:

# Ruby program for zero?() 
# method in Numeric 
  
# Initialize a number  
num1 = 0 
  
# Prints zero or not  
puts num1.zero?() 

Output:

true

Example 2:

# Ruby program for zero?() 
# method in Numeric 
  
# Initialize a number  
num1 = Complex(12, 3) 
  
# Prints zero or not  
puts num1.zero?() 

Output:

false

Ruby | Numeric to_c() function

gopaldave

News

Improve

Article Tags :

Similar Reads

Ruby | Numeric zero? function

The zero?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is a negative one, else it returns false. Syntax: num.zero?() Parameters: The function needs a number which is to be checked for. Return Value: It returns returns a boolean value. Example 1: # Ruby progra

Ruby | Numeric to_c() function

The to_c() is an inbuilt method in Ruby returns a complex number with the num. Syntax: num.to_c() Parameters: The function needs the number which is to be returned as complex. Return Value: It returns the complex number. Example 1: # Ruby program for to_c() # method in Numeric # Initialize a number

Ruby | Matrix zero() function

The zero() is an inbuilt method in Ruby returns an N x M zero matrix where each element is zero. Syntax: mat1.zero(N, M) Parameters: The function accepts two mandatory parameters N and M which is the size of the matrix. Return Value: It returns the zero matrix of size N x M. Example 1: # Ruby progra

Ruby | Matrix zero?() function

The zero?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a zero matrix, else it returns false. Zero matrix means that the matrix has all itselements as 0. Syntax: mat1.zero?() Parameters: The function needs the matrix to be checked for zero matrix. Return Value: It

Ruby | Numeric i() function

The i() is an inbuilt method in Ruby returns a complex number with the imaginary part that is given. Syntax: num.i() Parameters: The function needs a number which is the imaginary part of the complex number. Return Value: It returns a complex number with the imaginary part. Example 1: # Ruby program

Ruby | Numeric to_int() function

The to_int() is an inbuilt method in Ruby returns the integer part of the given number. Syntax: num.to_int() Parameters: The function needs the number whose integer part is to be returned. Return Value: It returns the integer part. Example 1: # Ruby program for to_int() # method in Numeric # Initial

Ruby | Numeric eql?() function

The eql?() is an inbuilt method in Ruby returns a boolean value. It returns true if both the numbers are equal, else it returns false. Syntax: num1.eql?(num2) Parameters: The function needs two number whose comparison is to be done. Return Value: It returns returns true if both are equal, else it re

Ruby | Numeric arg() function

The arg() is an inbuilt method in Ruby returns 0 if the number is positive, else it returns a float value which is equal to pi. Syntax: num.arg() Parameters: The function needs a number. Return Value: It returns 0 if the number is positive, else it returns a float value which is equal to pi. . Examp

Ruby | Numeric abs() function

The abs is an inbuilt method in Ruby returns the absolute value of a number. Syntax: num.abs Parameters: The function needs the number whose absolute value is to be returned. Return Value: It returns the absolute value of a numbers. Example 1: C/C++ Code # Ruby program for abs() method in Numeric #

Ruby | Numeric truncate() function

The truncate() is an inbuilt method in Ruby returns a number rounded toward zero with a precision of the given number of digits after the decimal point. In case the number of digits is not given, the default value is taken to be zero. Syntax: num.truncate(ndigits) Parameters: The function needs a nu

Ruby | Numeric dup() function

The dup() is an inbuilt method in Ruby returns the number itself. Syntax: num1.dup() Parameters: The function needs a number. Return Value: It returns itself only. Example 1: C/C++ Code # Ruby program for dup() method in Numeric # Initialize a number num1 = 1.7 # Function used num = num1.dup() # Pri

Ruby | Numeric quo() function

The quo() is an inbuilt method in Ruby returns the most exact division, whether it be a float or a rational one. Syntax: num.quo() Parameters: The function needs a number which is to be checked. Return Value: It returns the most exact division. Example 1: # Ruby program for quo() # method in Numeric

Ruby | Numeric div() function

The div() is an inbuilt method in Ruby that returns the result after performing an integer division. Syntax: num1.div(num2) Parameters: The function needs two numbers whose integer division is to be performed. Return Value: It returns returns the integer division.Example 1: [GFGTABS] CPP #Ruby progr

Ruby | Numeric real? function

The real?() is an inbuilt method in Ruby returns a boolean value. It returns true if the number is a negative one, else it returns false. Syntax: num.real?() Parameters: The function needs a number which is to be checked for. Return Value: It returns returns a boolean value. Example 1: # Ruby progra

Ruby | Numeric conj() function

The conj() is an inbuilt method in Ruby returns the number itself. Syntax: num1.conj() Parameters: The function needs a number. Return Value: It returns itself only. Example 1: C/C++ Code # Ruby program for conj() method in Numeric # Initialize a number num1 = 1.7 # Function used num = num1.conj() #

Ruby | Numeric real() function

The real() is an inbuilt method in Ruby returns the real part of the given number. Syntax: num.real() Parameters: The function needs the number whose real part is to be returned. Return Value: It returns the real part of the complex number. Example 1: # Ruby program for real() # method in Numeric #

Ruby | Numeric abs2() function

The abs2() is an inbuilt method in Ruby returns the square of a number. Syntax: num.abs2 Parameters: The function needs the number whose square is to be returned. Return Value: It returns the square of a number. Example 1: C/C++ Code # Ruby program for abs2() method in Numeric # Initialize a number

Ruby | Numeric rect() function

The rect() is an inbuilt method in Ruby returns an array which consists of a real and an imaginary number. Syntax: num.rect() Parameters: The function needs the number whose real and imaginary part is returned. Return Value: It returns an array which consists of a real and an imaginary number. Examp

Ruby | Numeric fdiv() function

The fdiv() is an inbuilt method in Ruby returns the result after performing a float division. Syntax: num1.fdiv(num2) Parameters: The function needs two numbers whose float division is to be performed. Return Value: It returns returns the float division. Example 1: # Ruby program for fdiv() method i

翻译：