From ef72ac76f0a3a65b8ddba1a13193ad0a55fe47a7 Mon Sep 17 00:00:00 2001
From: Bernd_Mac <20151553+bernd1995@users.noreply.github.com>
Date: Wed, 19 May 2021 20:06:19 +0200
Subject: [PATCH] resolved NaN-checking

---
 src/backends/gr.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backends/gr.jl b/src/backends/gr.jl
index 161ac190..4083444e 100644
--- a/src/backends/gr.jl
+++ b/src/backends/gr.jl
@@ -401,7 +401,7 @@ end
 
 function gr_nans_to_infs!(z)
     for (i,zi) in enumerate(z)
-        if zi == NaN
+        if isnan(zi)
             z[i] = Inf
         end
     end