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C++ Math ilogb()
The function returns the exponent part of a given number i.e integral part of logx.
ilogb() function is equivalent to (int)logb()
Syntax
Parameter
x: It is the value whose exponent is to be calculated.
Return value
| Parameter | Return value |
|---|---|
| x=0 | -INT_MIN |
| x=NAN or +inf or _inf | INT_MAX |
Example
Let’s see the simple example
Output:
Value of x is : 4 Exponent value of x is : 2
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