There's also a domain error if z is a NaN, so let's simplify wording.
See the comments in the source code, which remind that POSIX doesn't
mandate some of this, so this is GNU-specific.
Reported-by: Helge Kreutzmann <debian@helgefjell.de>
Suggested-by: Adam Sampson <ats@offog.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
.P
The following errors can occur:
.TP
-Domain error: \f[I]x * y + z\f[], \
-or \f[I]x * y\f[] is invalid and \f[I]z\f[] is not a NaN
+Domain error: \f[I]x * y + z\f[] \
+or \f[I]x * y\f[] is invalid.
.\" .I errno
.\" is set to
.\" .BR EDOM .