siunitx (8aug22)

git-svn-id: svn://tug.org/texlive/trunk@64080 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 27 insertions, 4 deletions

diff --git a/Master/texmf-dist/tex/latex/siunitx/siunitx.sty b/Master/texmf-dist/tex/latex/siunitx/siunitx.sty
index e1f0215faa6..be7645a696c 100644
--- a/Master/texmf-dist/tex/latex/siunitx/siunitx.sty
+++ b/Master/texmf-dist/tex/latex/siunitx/siunitx.sty
@@ -42,7 +42,7 @@
       }%
     \endinput
   }%
-\ProvidesExplPackage {siunitx} {2022-07-23} {3.1.5}
+\ProvidesExplPackage {siunitx} {2022-08-08} {3.1.6}
   {A comprehensive (SI) units package}
 \msg_new:nnnn { siunitx } { incompatible-package }
   { Package~'#1'~incompatible. }
@@ -3309,6 +3309,26 @@
   { \exp_not:n { {#1} {#2} } }
 \cs_new:Npn \__siunitx_number_round_uncertainty:nnn #1#2#3
   {
+     \__siunitx_number_round_uncertainty_check:nnnw {#1} {#2} {#3}
+       #1#2 \q_recursion_tail \q_recursion_stop
+  }
+\cs_new:Npn \__siunitx_number_round_uncertainty_check:nnnw #1#2#3#4
+  {
+    \quark_if_recursion_tail_stop_do:Nn #4 { { 0 } { } { } }
+    \int_compare:nNnTF {#4} = 0
+      { \__siunitx_number_round_uncertainty_check:nnnw }
+      { \__siunitx_number_round_uncertainty_check:Nnnnw #4 }
+        {#1} {#2} {#3}
+  }
+\cs_new:Npn \__siunitx_number_round_uncertainty_check:Nnnnw #1#2#3#4#5
+  \q_recursion_tail \q_recursion_stop
+  {
+    \int_compare:nNnTF { \tl_count:n {#1#5} } < { \tl_count:n {#4} }
+      { { 0 } { } { } }
+      { \__siunitx_number_round_uncertainty_aux:nnn {#2} {#3} {#4} }
+  }
+\cs_new:Npn \__siunitx_number_round_uncertainty_aux:nnn #1#2#3
+  {
     \exp_args:Nf \__siunitx_number_round_uncertainty:nnnn
       {
         \int_eval:n
@@ -3318,9 +3338,12 @@
   }
 \cs_new:Npn \__siunitx_number_round_uncertainty:nnnn #1#2#3#4
   {
-    \exp_last_unbraced:Nf \__siunitx_number_round_uncertainty:nnnnn
-      { \__siunitx_number_round:nnn {#1} { } {#4} }
-      {#2} {#3} {#1}
+    \use:e
+      {
+        \exp_not:N \__siunitx_number_round_uncertainty:nnnnn
+          \__siunitx_number_round:nnn {#1} { } {#4}
+          {#2} {#3} {#1}
+      }
   }
 \cs_new:Npn \__siunitx_number_round_uncertainty:nnnnn #1#2#3#4#5
   {