Exp2()

The Exp2() function returns the value of a base-2 exponential of a given number of type float64.

Syntax

import math

result := math.Exp2(x)

Where result will contain the value of a base-2 exponential of x, returned as a float64. Special cases:

• The result of Exp2(+Inf) is +Inf
• The result of Exp2(NaN) is NaN

Example

The example below demonstrates the basic use of Exp2():

package main

import (
  "fmt"
  "math"
)

func main() {
  x := 4.0
  result1 := math.Exp2(x)
  fmt.Printf("%.1f\n", result1)

  y := -4.0
  result2 := math.Exp2(y)
  fmt.Printf("%.1f\n", result2)
}

The output will be:

16.0
0.1

Codebyte Example

The following example is runnable and shows how the Exp2() function handles special cases:

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