From 3a76f5f0cb1c12c787c1838c982db6908f772029 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <dismine@gmail.com>
Date: Mon, 9 Nov 2020 13:39:32 +0200
Subject: [PATCH] Change value for an uninitialized local variable to NAN.

---
 ChangeLog.txt                      | 1 +
 src/libs/vpatterndb/calculator.cpp | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 0d8da1774..4ed206057 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -5,6 +5,7 @@
 - [smart-pattern/valentina#73] Notes for tools.
 - Fix crash while synchronize measurements.
 - Object alias.
+- Change value for an uninitialized local variable to NAN.
 
 # Version 0.7.36 October 24, 2020
 - [#892] Show tooltip for piece node point.
diff --git a/src/libs/vpatterndb/calculator.cpp b/src/libs/vpatterndb/calculator.cpp
index 303808ec5..3139b2d8d 100644
--- a/src/libs/vpatterndb/calculator.cpp
+++ b/src/libs/vpatterndb/calculator.cpp
@@ -109,7 +109,7 @@ qreal *Calculator::VarFactory(const QString &a_szName, void *a_pUserData)
 
     if (a_szName.startsWith('#'))
     {
-        QSharedPointer<qreal> val(new qreal(0));
+        QSharedPointer<qreal> val(new qreal(std::numeric_limits<qreal>::quiet_NaN()));
         calc->m_varsValues.append(val);
         return val.data();
     }