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| author | Jarkko Hietaniemi <jhi@iki.fi> | 2015-08-09 08:54:26 -0400 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2015-08-10 08:35:23 -0400 |
| commit | 8384a6d6699a0d12b8743bd4d13da29985b77334 (patch) | |
| tree | 8b538fcf27583662541323f45b8e89e262308ca9 /ext | |
| parent | 3bbe6a60016d937cddcaf3da3886cfe215ce98ea (diff) | |
| download | perl-8384a6d6699a0d12b8743bd4d13da29985b77334.tar.gz | |
Pod tweak for [rt.perl.org #125710].
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/POSIX/lib/POSIX.pod | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/ext/POSIX/lib/POSIX.pod b/ext/POSIX/lib/POSIX.pod index 3e6f78d27d..a021d134e3 100644 --- a/ext/POSIX/lib/POSIX.pod +++ b/ext/POSIX/lib/POSIX.pod @@ -1244,7 +1244,9 @@ should not rely on more than 32 bits of payload. Whether a "signaling" NaN is in any way different from a "quiet" NaN, depends on the platform. Also note that the payload of the default NaN (no argument to nan()) is not necessarily zero, use C<setpayload> -to explicitly set the payload. +to explicitly set the payload. On some platforms like the 32-bit x86, +(unless using the 80-bit long doubles) the signaling bit is not supported +at all. See also L</isnan>, L</setpayload> and L</issignaling>. |