Abs()

The Abs() function returns the absolute value of a given number.

Syntax

import "math"

result := math.Abs(number)

Where result is the absolute value of number.

• The result of Abs(-Inf) is +Inf
• The result of Abs(+Inf) is +Inf
• The result of Abs(NaN) is NaN

Example

The following calculates the absolute value of -255 and prints out the result:

package main

import (
  "fmt"
  "math"
)

func main() {
  number := math.Abs(-255)
  fmt.Printf("%.1f\n", number)
}

The output will be:

255.0

Codebyte Example

The following example is runnable and shows the Abs() function handling an infinite value.

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