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 get an IEEE 754 “not-a-number” value with the help of NaN() 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 NaN() function.
Syntax:
func NaN() float64
Example 1:
// Golang program to illustrate math.NaN() Function package main import ( "fmt"
"math"
) // Main function func main() { // Getting Not-a-number value
// Using NaN() function
res := math.NaN()
// Displaying the result
fmt.Println( "Result: " , res)
} |
Output:
Result: NaN
Example 2:
// Golang program to illustrate math.NaN() Function package main import ( "fmt"
"math"
) // Main function func main() { // Checking whether the given
// value is not-a-number or not
// Using NaN() function
nvalue := math.NaN()
if nvalue == math.NaN() {
fmt.Println( "Given value is not-a-number" )
} else {
fmt.Println( "Given value is not a not-a-number" )
}
} |
Output:
Given value is not a not-a-number
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