URL getRef() method in Java with Examples

Java Math getExponent() method with Example

Last Updated : 09 Apr, 2018

The java.lang.Math.getExponent() is a built-in math function which returns the unbiased exponent used in the representation of a float.

If the argument is NaN or infinite, then the result is Float.MAX_EXPONENT + 1.
If the argument is zero or subnormal, then the result is Float.MIN_EXPONENT -1.

Syntax:

public static int getExponent(float val)
Parameter:
val - a float value

Returns: The method returns the unbiased exponent of the argument. Example: To show working of java.lang.Math.getExponent() function

Java

// Java program to demonstrate working
// of java.lang.Math.getExponent() method
import java.lang.Math;

class Gfg {

    // driver code
    public static void main(String args[])
    {

        float x = 7689.1f;
        float y = -794.99f;

        // print the unbiased exponent of them
        System.out.println(Math.getExponent(x));
        System.out.println(Math.getExponent(y));

        // print the unbiased exponent of 0
        System.out.println(Math.getExponent(0));
    }
}

Output:

12
9
-127

URL getRef() method in Java with Examples

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ChetnaAgarwal

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