Hi Helge,

On Wed, Dec 24, 2025 at 02:38:25PM +0000, Helge Kreutzmann wrote:
> Without further ado, the following was found:
> 
> Issue:    According to above, a domain error also occurs when I<z> is a NaN?
> 
> "Domain error: I<x> * I<y> + I<z>, or I<x> * I<y> is invalid and I<z> is not a NaN"

I think this was fixed in

	$ git show e86f9fd0c279f593242969a2fbb5ef379272d89d
	commit e86f9fd0c279f593242969a2fbb5ef379272d89d
	Author: Alejandro Colomar <alx@kernel.org>
	Date:   Wed Sep 3 16:14:10 2025 +0200

	    man/man3/fma.3: ERRORS: Add missing error
	    
	    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>

	diff --git a/man/man3/fma.3 b/man/man3/fma.3
	index fa0562858..433f1e2ee 100644
	--- a/man/man3/fma.3
	+++ b/man/man3/fma.3
	@@ -107,8 +107,8 @@ .SH ERRORS
	 .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 .

but please revise in case there's still anything that needs to be fixed.


Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es>