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Go – Nextafter() fucntion in math package in go

Here, We will learn about Nextafter() fucntion in math package in go.  Nextafter() is used to get the next representable float64 value after 1st number towards 2nd number.

Function prototype:

func Nextafter(x, y float64) (res float64)

Return value:

Nextafter() function in math package returns
the next representable float64 value after
x towards y.

Example with code:

package main

import (
  "fmt"
  "math"
)

func main() {

  no := math.Nextafter(2.3, 2)
  fmt.Println(no)

  no = math.Nextafter(-2.2, -10)
  fmt.Println(no)

  no = math.Nextafter(1.2, -1)
  fmt.Println(no)

  no = math.Nextafter(3, 0)
  fmt.Println(no)

}

Output:

2.2999999999999994
-2.2000000000000006
1.1999999999999997
2.9999999999999996

To learn more about golang, Please refer given below link:

https://www.techieindoor.com/go-lang-tutorial/

References:

https://golang.org/doc/
https://golang.org/pkg/
Posted in golang, math

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