The floatToIntBits() method in Float Class is a built-in function in java that returns a representation of the specified floating-point value according to the IEEE 754 floating-point “single format” bit layout.
Syntax:
public static int floatToIntBits(float val)
Parameter: The method accepts only one parameter val which specifies a floating-point number to be converted into integer bits.
Return Values: The function returns the integer bits that represent the floating-point number. Below are the special cases:
- If the argument is positive infinity, the result is 0x7f800000.
- If the argument is negative infinity, the result is 0xff800000.
- If the argument is NaN, the result is 0x7fc00000.
Below programs illustrates the use of Float.floatToIntBits() method:
Program 1:
// Java program to demonstrate// Float.floatToIntBits() methodimport java.lang.*; class Gfg1 { public static void main(String args[]) { float val = 1.5f; // function call int answer = Float.floatToIntBits(val); // print System.out.println(val + " in int bits: " + answer); }} |
Output:
1.5 in int bits: 1069547520
Program 2:
// Java program to demonstrate// Float.floatToIntBits() method import java.lang.*; class Gfg1 { public static void main(String args[]) { float val = Float.POSITIVE_INFINITY; float val1 = Float.NEGATIVE_INFINITY; float val2 = Float.NaN; // function call int answer = Float.floatToIntBits(val); // print System.out.println(val + " in int bits: " + answer); // function call answer = Float.floatToIntBits(val1); // print System.out.println(val1 + " in int bits: " + answer); // function call answer = Float.floatToIntBits(val); // print System.out.println(val2 + " in int bits: " + answer); }} |
Output:
Infinity in int bits: 2139095040 -Infinity in int bits: -8388608 NaN in int bits: 2139095040
Reference: https://docs.oracle.com/javase/7/docs/api/java/lang/Float.html#floatToIntBits(float)