FloatIntBits.java

FloatIntBits.java

public class FloatIntBits {

    private static void printIntBits(float value) {
        System.out.println("-------------------------------------");
        System.out.printf("       value: %f\n", value);
        final int intBits = Float.floatToIntBits(value);
        final int rawIntBits = Float.floatToRawIntBits(value);
        System.out.printf("   toIntBits: 0x%08x %f\n", intBits, Float.intBitsToFloat(intBits));
        System.out.printf("toRawIntBits: 0x%08x %f\n", rawIntBits, Float.intBitsToFloat(rawIntBits));
    }

    public static void main(final String... args) {
        printIntBits(3.14f);
        printIntBits(Float.NaN);
        final float SNaN = Float.intBitsToFloat(0b0_11111111_01000000000000000000000);
        final float QNaN = Float.intBitsToFloat(0b0_11111111_11000000000000000000000);
        printIntBits(SNaN);
        printIntBits(QNaN);
    }
}