From 52065c26ed71fb8c8b423b56a05f95d5b7c3ded2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=89milie=20Feral?= <emilie.feral@numworks.com>
Date: Mon, 11 Jun 2018 14:51:10 +0200
Subject: [PATCH] [calculation] When the output text overflowed the buffer,
 parsing the text returns nullptr. Handle this case here

---
 apps/calculation/calculation.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/apps/calculation/calculation.cpp b/apps/calculation/calculation.cpp
index 16f8a180e..16ed91733 100644
--- a/apps/calculation/calculation.cpp
+++ b/apps/calculation/calculation.cpp
@@ -149,6 +149,9 @@ Expression * Calculation::exactOutput(Context * context) {
      * 'sqrt(2)/2 = 0.999906' (which is totally wrong) instead of
      * 'cos(pi/4) = 0.999906' (which is true in degree). */
     m_exactOutput = Expression::parse(m_exactOutputText);
+    if (m_exactOutput == nullptr) {
+      m_exactOutput = new Undefined();
+    }
   }
   return m_exactOutput;
 }