Integrated: JDK-8301392: Port fdlibm log1p to Java

[Joe Darcy]

On Tue, 31 Jan 2023 02:52:45 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Another day, another PR to port FDLBIM to Java, this time for the log1p method.
> 
> Other than using the two-argument form of the __HI method in Java transliteration version rather than C macro, there are no appreciable differences between the original C source in 
> 
> src/java.base/share/native/libfdlibm/s_log1p.c
> 
> and the transliteration for testing purposes in
> 
> test/jdk/java/lang/StrictMath/FdlibmTranslit.java
> 
> The more idiomatic port in
> 
> src/java.base/share/classes/java/lang/FdLibm.java
> 
> has had a series of transformation applied layering on the transliteration. The intermediate commits show the progress.
> 
> The regression tests include probing around input values the implementation uses to decided which branch to take.

This pull request has now been integrated.

Changeset: ee0f5b5e
Author:    Joe Darcy <darcy at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/ee0f5b5ed0f8f081c5e61e2083c31863cbf14fd2
Stats:     410 lines in 4 files changed: 395 ins; 1 del; 14 mod

8301392: Port fdlibm log1p to Java

Reviewed-by: bpb

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PR: https://git.openjdk.org/jdk/pull/12301