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authorJarkko Hietaniemi <jhi@iki.fi>2015-08-09 08:54:26 -0400
committerJarkko Hietaniemi <jhi@iki.fi>2015-08-10 08:35:23 -0400
commit8384a6d6699a0d12b8743bd4d13da29985b77334 (patch)
tree8b538fcf27583662541323f45b8e89e262308ca9 /ext/POSIX/lib/POSIX.pod
parent3bbe6a60016d937cddcaf3da3886cfe215ce98ea (diff)
downloadperl-8384a6d6699a0d12b8743bd4d13da29985b77334.tar.gz
Pod tweak for [rt.perl.org #125710].
Diffstat (limited to 'ext/POSIX/lib/POSIX.pod')
-rw-r--r--ext/POSIX/lib/POSIX.pod4
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>.