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Finding Cube Root of Specified Number in Golang

Last Updated : 21 Sep, 2022
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Go language provides inbuilt support for basic constants and mathematical functions to perform operations on the numbers with the help of the math package. You are allowed to find the cube root of the specified number with the help of Cbrt() function provided by the math package. So, you need to add a math package in your program with the help of the import keyword to access Cbrt() function. 

Syntax: 

func Cbrt(y float64) float64
  • If you pass +Inf or -Inf in this function, then this function will return +Inf or -Inf.
  • If you pass 0 in this function, then this function will return 0.
  • If you pass NaN(not-a-number) in this function, then this function will return NaN.

Example 1: 

Go
// Golang program to illustrate how to find 
// the cube root of the given number 
  
package main 
  
import ( 
    "fmt"
    "math"
) 
  
// Main function 
func main() { 
  
    // Finding the cube root 
    // of the given value 
    // Using Cbrt() function 
    res_1 := math.Cbrt(3) 
    res_2 := math.Cbrt(math.Inf(-3)) 
    res_3 := math.Cbrt(0) 
    res_4 := math.Cbrt(math.NaN()) 
  
    // Displaying the result 
    fmt.Printf("Result 1: %.1f", res_1) 
    fmt.Printf("\nResult 2: %.1f", res_2) 
    fmt.Printf("\nResult 3: %.1f", res_3) 
    fmt.Printf("\nResult 4: %.1f", res_4) 
} 

Output
Result 1: 1.4
Result 2: -Inf
Result 3: 0.0
Result 4: NaN

Example 2: 

Go
// Golang program to illustrate how to find 
// the cube root of the given number 
  
package main 
  
import ( 
    "fmt"
    "math"
) 
  
// Main function 
func main() { 
  
    // Finding cube root  
    // of the given number 
    nvalue_1 := math.Cbrt(3) 
    nvalue_2 := math.Cbrt(-7) 
  
    // Sum of the given values 
    res := nvalue_1 + nvalue_2 
  
    // Displaying results 
    fmt.Printf("%.1f + %.1f = %.1f", 
            nvalue_1, nvalue_2, res) 
  
} 

Output
1.4 + -1.9 = -0.5

Time complexity: O(log N)
Auxiliary space: O(1)


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