JDK 10 RFR of JDK-8138672: Math. negativeZeroFloatBits and Math. negativeZeroDoubleBits should be final

[Paul Sandoz]

> On 4 May 2017, at 16:59, joe darcy <joe.darcy at oracle.com> wrote:
> 
> Hello,
> 
> Please review the patch below to address
> 
>    JDK-8138672: Math. negativeZeroFloatBits and Math. negativeZeroDoubleBits should be final
> 

+1

Paul.

> The build works after the change; no other static fields in java.lang.Math have a missing final modifier.
> 
> Thanks,
> 
> -Joe
> 
> diff -r 32f118110e09 src/java.base/share/classes/java/lang/Math.java
> --- a/src/java.base/share/classes/java/lang/Math.java    Thu May 04 18:13:42 2017 +0100
> +++ b/src/java.base/share/classes/java/lang/Math.java    Thu May 04 16:58:10 2017 -0700
> @@ -1442,8 +1442,8 @@
>     }
> 
>     // Use raw bit-wise conversions on guaranteed non-NaN arguments.
> -    private static long negativeZeroFloatBits  = Float.floatToRawIntBits(-0.0f);
> -    private static long negativeZeroDoubleBits = Double.doubleToRawLongBits(-0.0d);
> +    private static final long negativeZeroFloatBits  = Float.floatToRawIntBits(-0.0f);
> +    private static final long negativeZeroDoubleBits = Double.doubleToRawLongBits(-0.0d);
> 
>     /**
>      * Returns the greater of two {@code float} values.  That is,
>