abs function reference
This topic provides reference information about the abs
function. The abs
function returns the absolute value of the given number.
Introduction
The abs
function returns the absolute value of the given number. If the number is zero or positive, the function returns the value as-is, but if it is negative, it is multiplied by -1 to make it positive before returning it.
Syntax
Use the abs
function with the following syntax:
abs(number)
The number
argument is the number you want the absolute value of.
In the following example, the function returns the absolute value of 23
, 0
, and -12.4
.
$ abs(23)23$ abs(0)0$ abs(-12.4)12.4
Example use case
The following example defines a variable num
that is negative. The function outputs the absolute value of num
, which is 10
.
variable "num" { default = -10}output "absolute_value" { value = abs(var.num)}
Related Functions
signum
determines the sign of a number, returning a number between -1 and 1 to represent the sign