ilogbl() in C++

ilogbl(): This function is available in the file math.h. This function extracts the value of the unbiased exponent from the floating-point argument arg, and returns it as a signed integer value.

Parameters: One parameter is required for this function.

arg: The floating-point value.

Syntax:

ilogbl(arg)

For Example:

ilogbl(1000.25) = > It returns 9.

i

Approach

C++

#include <bits/stdc++.h>
using namespace std;

int main()
{
    long double x = 1000.25;

    cout << ilogbl(x) << "\n";

    return 0;
}