JDK 9 RFR of JDK-8149896: Remove unnecessary values in FloatConsts and DoubleConsts
paul.sandoz at oracle.com
Tue Feb 16 09:05:04 UTC 2016
> On 16 Feb 2016, at 07:23, joe darcy <joe.darcy at oracle.com> wrote:
> The the FloatConsts and DoubleConsts classes, while moved to an internal package recently (JDK-8145990), contain constants now available via the public API. All such uses of the redundant values should be removed as well as the redundant constants themselves.
> A quick note on the 2d changes, several constants (and a copy from a package-private method from java.lang) were used to initialize a double value POWER_2_TO_32; this can be accomplished more directly using a hexadecimal floating-point literal.
> Please review the webrev
My favourite change is this one:
- private static final double POWER_2_TO_32 = FloatMath.powerOfTwoD(32);
+ private static final double POWER_2_TO_32 = 0x1.0p32;
and the removal of the method on FloatMath.
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