From c1ad742124dd2aa23f4d238072846db2bffcd46f Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Thu, 29 Jul 2021 21:25:03 +0000
Subject: [PATCH] fhem.pl: ReadingsNum patch from frober (Forum #122275)

git-svn-id: https://svn.fhem.de/fhem/trunk@24810 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/fhem.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index bf41c1b5c..41ddc70f8 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -4572,7 +4572,7 @@ OldReadingsNum($$$;$)
   return undef if(!defined($val));
   $val = ($val =~ /(-?\d+(\.\d+)?)/ ? $1 : "");
   return $default if($val eq "");
-  $val = round($val,$round) if($round);
+  $val = round($val,$round) if(defined $round);
   return $val;
 }
 
@@ -4619,7 +4619,7 @@ ReadingsNum($$$;$)
   return undef if(!defined($val));
   $val = ($val =~ /(-?\d+(\.\d+)?)/ ? $1 : "");
   return $default if($val eq "");
-  $val = round($val,$round) if($round);
+  $val = round($val,$round) if(defined $round);
   return $val;
 }