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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2021-10-27 22:01:41 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2021-10-27 22:12:48 +0200 |
| commit | 5d89c3f31e7cfb057aa66d24c75f1f488de34280 (patch) | |
| tree | 62122477c8b78630599ffedbe243adc05748c684 /man3 | |
| parent | 8bf30825a30dece0b0e4294ca3d0f2351ba15fc5 (diff) | |
| download | man-pages-5d89c3f31e7cfb057aa66d24c75f1f488de34280.tar.gz | |
pow.3: RETURN VALUE: Clarify that -0.0 is a valid underflow result
The standards are a bit unclear (or I couldn't find it), but
Joseph confirmed that glibc documents this behavior, and
M. Welinder tested that Solaris also behaves in the same way.
Reported-by: M. Welinder <mwelinder@gmail.com>
Bug: 214815 <https://bugzilla.kernel.org/show_bug.cgi?id=214815>
Cc: Joseph Myers <joseph@codesourcery.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man3')
| -rw-r--r-- | man3/pow.3 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/man3/pow.3 b/man3/pow.3 index ccf6375c04..69ddadc3ad 100644 --- a/man3/pow.3 +++ b/man3/pow.3 @@ -82,7 +82,7 @@ respectively, with the mathematically correct sign. .PP If result underflows, and is not representable, a range error occurs, -and 0.0 is returned. +and 0.0 with the appropriate sign is returned. .\" POSIX.1 does not specify the sign of the zero, .\" but http://sources.redhat.com/bugzilla/show_bug.cgi?id=2678 .\" points out that the zero has the wrong sign in some cases. |