From 0ffe338027ba1eb9817c3eabb62be6d9a4edff87 Mon Sep 17 00:00:00 2001
From: Marc Jeanmougin <marc@jeanmougin.fr>
Date: Sun, 7 Oct 2018 18:07:03 +0200
Subject: sensible behavior when reading NaN values

---
 src/object/sp-object.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/object/sp-object.cpp')

diff --git a/src/object/sp-object.cpp b/src/object/sp-object.cpp
index 7c6b6c28d..4a9a347c1 100644
--- a/src/object/sp-object.cpp
+++ b/src/object/sp-object.cpp
@@ -996,6 +996,14 @@ void SPObject::readAttr(gchar const *key)
     if (keyid != SP_ATTR_INVALID) {
         /* Retrieve the 'key' attribute from the object's XML representation */
         gchar const *value = getRepr()->attribute(key);
+        if (value &&
+            (!strcmp(value, "nan")
+            || !strcmp(value, "-nan")
+            || !strcmp(value, "NaN")
+            || !strcmp(value, "-NaN")
+            )) {
+          value = nullptr;
+        }
 
         setKeyValue(keyid, value);
     }
-- 
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