logb: Fix test failure on glibc/powerpc.
commit08afe3dc6c9d88ea9c55231948c87f11470cb1f8
authorBruno Haible <bruno@clisp.org>
Wed, 6 Jan 2021 18:59:10 +0000 (6 19:59 +0100)
committerBruno Haible <bruno@clisp.org>
Wed, 6 Jan 2021 18:59:50 +0000 (6 19:59 +0100)
tree7193555aed8d53d8809e7b39dae9b567a4441b58
parenta4be4b42044afd81608b74e8e8df9e855f07d4bd
logb: Fix test failure on glibc/powerpc.

* doc/posix-functions/logb.texi: Update platform info.
* m4/logb.m4 (gl_FUNC_LOGB_WORKS): Test against bug with negative
subnormal numbers.
ChangeLog
doc/posix-functions/logb.texi
m4/logb.m4