JDK 9 RFR of JDK-8033416: Remove sun.misc.FpUtils

Paul Sandoz paul.sandoz at oracle.com
Mon Feb 3 09:16:40 UTC 2014

On Feb 1, 2014, at 10:23 PM, Alan Bateman <Alan.Bateman at oracle.com> wrote:

> On 01/02/2014 18:13, Joe Darcy wrote:
>> Hello,
>> Back in JDK 5, the sun.misc.FpUtils class was added to provide low-level floating-point manipulations methods needed to write tests of the math library. Over time, those low-level functions have generally been added to the standard Java library and most of the methods in FpUtils have thus been deprecated.
>> Therefore, I think the start of JDK 9 is a good time to actually remove FpUtils from the platform; please review my change which does this:
>>    http://cr.openjdk.java.net/~darcy/8033416.0/
>> The implementation of the ilogb and isUnordered methods was moved into the "Tests" helper class in the math library test directory.
>> (At the recommendation of Alan in the bug report, I verified that the fx jar files do not reference the FpUtils class.)
> I may have mixed it up with FloatConsts or DouleConsts but I'm pretty sure there was a dependency at one point. The main thing is that we've checked and all is okay.

grepcode shows no usages, which is a good sign :-)


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