DoubleBuffer.compareTo is not anti-symmetric

[Alan Bateman]

Martin Buchholz wrote:
> This is a bug report.
>
> import java.nio.*;
>
> public class BufferCompare {
>     public static void main(String[] args) {
>         DoubleBuffer b1 = DoubleBuffer.wrap(new double[] { Double.NaN });
>         DoubleBuffer b2 = DoubleBuffer.wrap(new double[] { 1.0 });
>         System.out.printf("%b%n", b1.compareTo(b2));
>         System.out.printf("%b%n", b2.compareTo(b1));
>     }
> }
> ==> javac -source 1.6 -Xlint:all BufferCompare.java
> ==> java -esa -ea BufferCompare
> true
> true
>
> Is there any chance we might be allowed
> to fix this violation of the Comparable contract?
> If so, I volunteer to do so.
>
Oops, I assume NaN was overlooked. I can't think of any reasons not to 
fix this, at least for for jdk7. Changing compareTo to invoke 
$Type$.compare(v1, v2) sounds like a good start.  I'll create a bug for 
you shortly.

-Alan.