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Pod tweak for [rt.perl.org #125710].
author
Jarkko Hietaniemi
<jhi@iki.fi>
Sun, 9 Aug 2015 12:54:26 +0000
(08:54 -0400)
committer
Jarkko Hietaniemi
<jhi@iki.fi>
Mon, 10 Aug 2015 12:35:23 +0000
(08:35 -0400)
ext/POSIX/lib/POSIX.pod
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diff --git
a/ext/POSIX/lib/POSIX.pod
b/ext/POSIX/lib/POSIX.pod
index
3e6f78d
..
a021d13
100644
(file)
--- 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>.