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author	Bruno Haible <bruno@clisp.org>
	Tue, 23 Jul 2024 10:40:37 +0000 (12:40 +0200)
committer	Bruno Haible <bruno@clisp.org>
	Tue, 23 Jul 2024 10:40:49 +0000 (12:40 +0200)
commit	bd61e8c8ca7a41ce6e265c2cd8d9de5f4c3c4bd5
tree	fc02bb8814372129a577960a9d7ad2d9054cd80e	tree \| snapshot
parent	edf38838fe0e409455ad2fe03bedaf06571d95bb	commit \| diff

strtod: Revisit underflow behaviour.

* doc/posix-functions/strtod.texi: Mention the macOS bug. Mention that
gradual underflow does not count as an error on Cygwin 2.9 and MSVC.
* m4/strtod.m4 (gl_FUNC_STRTOD): Update comment.
* tests/test-strtod.h (test_function): Add a gradual underflow test.
Check the sign in case of flush-to-zero underflow.

ChangeLog		diff \| blob \| blame \| history
doc/posix-functions/strtod.texi		diff \| blob \| blame \| history
m4/strtod.m4		diff \| blob \| blame \| history
tests/test-strtod.h		diff \| blob \| blame \| history

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