RFR: JDK-8302027: Port fdlibm trig functions (sin, cos, tan) to Java [v6]

[Andrey Turbanov]

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On Wed, 1 Mar 2023 14:26:44 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

>> Joe Darcy has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 20 commits:
>> 
>>  - Merge branch 'master' into JDK-8302027
>>  - Add test cases with Math and StrictMath differ on a given input.
>>  - Add more tests.
>>  - Add note explaining goto translation.
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - Update src/java.base/share/classes/java/lang/FdLibm.java
>>    
>>    Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>
>>  - ... and 10 more: https://git.openjdk.org/jdk/compare/9fdbf3cf...0466a98d
>
> src/java.base/share/classes/java/lang/FdLibm.java line 166:
> 
>> 164:             } else { // argument reduction needed
>> 165:                 n = RemPio2.__ieee754_rem_pio2(x, y);
>> 166:                 switch(n & 3) {
> 
> Suggestion:
> 
>                 switch (n & 3) {

:(

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PR: https://git.openjdk.org/jdk/pull/12800