A reimplementation of `BigDecimal.[double|float]Value()` to enhance performance, avoiding an intermediate string and its subsequent parsing on the slow path.
------------- Commit messages: - 8205592: BigDecimal.doubleValue() is depressingly slow Changes: https://git.openjdk.org/jdk/pull/9410/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9410&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8205592 Stats: 585 lines in 2 files changed: 545 ins; 8 del; 32 mod Patch: https://git.openjdk.org/jdk/pull/9410.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9410/head:pull/9410 PR: https://git.openjdk.org/jdk/pull/9410
