[latex3-commits] [latex3/latex3] main: Document `\c_nan_fp` (927398559)

[github at latex-project.org]

Repository : https://github.com/latex3/latex3
On branch  : main
Link       : https://github.com/latex3/latex3/commit/927398559972c02e5e8ea17c9995f37c0b61a8e9

>---------------------------------------------------------------

commit 927398559972c02e5e8ea17c9995f37c0b61a8e9
Author: Yukai Chou <muzimuzhi at gmail.com>
Date:   Sat Nov 4 17:55:45 2023 +0800

    Document `\c_nan_fp`
    
    It was added in commit fb3f38ff (First stage of installing new FPU: copy code
    and test files into l3kernel, 2012-05-09), along with other fp constants.


>---------------------------------------------------------------

927398559972c02e5e8ea17c9995f37c0b61a8e9
 l3kernel/CHANGELOG.md | 3 +++
 l3kernel/l3fp.dtx     | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/l3kernel/CHANGELOG.md b/l3kernel/CHANGELOG.md
index 4b4be2d61..3477e76d2 100644
--- a/l3kernel/CHANGELOG.md
+++ b/l3kernel/CHANGELOG.md
@@ -7,6 +7,9 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+### Added
+- Documentation for `\c_nan_fp`
+
 ### Fixed
 - Normalisation of `.inherit:n` key data (issue \#1314)
 
diff --git a/l3kernel/l3fp.dtx b/l3kernel/l3fp.dtx
index 627c0fc0f..1b1ae7d44 100644
--- a/l3kernel/l3fp.dtx
+++ b/l3kernel/l3fp.dtx
@@ -806,6 +806,11 @@
 %   floating point expression as \texttt{inf} and \texttt{-inf}.
 % \end{variable}
 %
+% \begin{variable}[added = 2012-05-08, module = fp]{\c_nan_fp}
+%   Not a number.  This can be input directly in a floating point expression
+%   as \texttt{nan}.
+% \end{variable}
+%
 % \begin{variable}[updated = 2012-05-08, module = fp]{\c_e_fp}
 %   The value of the base of the natural logarithm, $\mathrm{e} = \exp(1)$.
 % \end{variable}