math.Ilogb() Function in Golang With Examples Last Updated : 13 Apr, 2020 Summarize Comments Improve Suggest changes Share Like Article Like Report 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 can find the binary exponent of the specified number as an integer with the help of ILogb() 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 the ILogb() function. Syntax: func Ilogb(a float64) int If Ilogb(±Inf), then this function will return MaxInt32. If Ilogb(0), then this function will return MinInt32. If Ilogb(NaN), then this function will return MaxInt32. Example 1: C // Golang program to illustrate // the math.Ilogb() function package main import ( "fmt" "math" ) // Main function func main() { // Finding binary exponent of // the given number as an integer // Using Ilogb() function res_1 := math.Ilogb(math.Inf(-1)) res_2 := math.Ilogb(math.Inf(1)) res_3 := math.Ilogb(0) res_4 := math.Ilogb(1) res_5 := math.Ilogb(math.NaN()) // Displaying the result fmt.Printf("\nResult 1: %d", res_1) fmt.Printf("\nResult 2: %d", res_2) fmt.Printf("\nResult 3: %d", res_3) fmt.Printf("\nResult 4: %d", res_4) fmt.Printf("\nResult 5: %d", res_5) } Output: Result 1: 2147483647 Result 2: 2147483647 Result 3: -2147483648 Result 4: 0 Result 5: 2147483647 Example 2: C // Golang program to illustrate // the math.Ilogb() function package main import ( "fmt" "math" ) // Main function func main() { // Finding binary exponent of // the given number as an integer // Using Ilogb() function nvalue_1 := math.Ilogb(math.Inf(-1)) nvalue_2 := math.Ilogb(math.Inf(1)) // Sum of the given numbers res := nvalue_1 + nvalue_2 fmt.Printf("%d + %d = %d", nvalue_1, nvalue_2, res) } Output: 2147483647 + 2147483647 = -2 Comment More infoAdvertise with us Next Article math.Inf() Function in Golang With Examples K Kirti_Mangal Follow Improve Article Tags : Go Language Golang-Math Similar Reads math.Inf() Function in Golang With Examples 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 can find positive infinity (if sign >= 0) or negative infinity (if sign < 0) with the help of the Inf() function provided by the math 2 min read math.Jn() Function in Golang With Examples 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 can find the order-n Bessel function of the first kind with the help of Jn() function provided by the math package. So, you need to add a ma 2 min read math.Hypot Function in Golang With Examples 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 can find the hypotenuse, i.e., Sqrt(a*a + b*b) with the help of Hypot() function provided by the math package. So, you need to add a math pa 2 min read math.IsNaN() Function in Golang with Examples Go language provides inbuilt support for basic constants and mathematical functions to perform operations on the numbers with the help of the math package. This package provides IsNaN() function which is used to check whether x is an IEEE 754 “not-a-number†value or not. This function return true if 2 min read math.J1() Function in Golang With Examples 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 can find order-one Bessel function of the first kind with the help of J1() function provided by the math package. So, you need to add a math 2 min read math.J0() Function in Golang With Examples 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 can find the order-zero Bessel function of the first kind with the help of J0() function provided by the math package. So, you need to add a 2 min read Like