Finding Binary Exponent of Given Number in Golang
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 binary exponent of the specified number with the help of Logb() 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 Logb() function.
Syntax:
func Logb(a float64) float64
- If you pass +Inf or -Inf in this function, then this function will return +Inf.
- If you pass 0 in this function, then this function will return -Inf.
- If you pass NaN in this function, then this function will return NaN.
Example 1:
package main
import (
"fmt"
"math"
)
func main() {
res_1 := math.Logb(0)
res_2 := math.Logb(1)
res_3 := math.Logb(math.Inf(1))
res_4 := math.Logb(math.NaN())
res_5 := math.Logb(36)
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)
fmt.Printf( "\nResult 5: %.1f" , res_5)
}
|
Output:
Result 1: -Inf
Result 2: 0.0
Result 3: +Inf
Result 4: NaN
Result 5: 5.0
Example 2:
package main
import (
"fmt"
"math"
)
func main() {
nvalue_1 := math.Logb(100)
nvalue_2 := math.Logb(26)
res := nvalue_1 + nvalue_2
fmt.Printf( "%.5f + %.5f = %.5f" ,
nvalue_1, nvalue_2, res)
}
|
Output:
6.00000 + 4.00000 = 10.00000
Last Updated :
01 Apr, 2020
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