From 742e7a165dcc5a6875d7bde8cbb7a300e41ce989 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Quentin=20Guid=C3=A9e?= <quentin.guidee@gmail.com>
Date: Sat, 21 Mar 2020 11:10:14 +0100
Subject: [PATCH] [Feature] Hide undef with symbolic calculation

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

diff --git a/apps/calculation/calculation.cpp b/apps/calculation/calculation.cpp
index 90f2de0f0..447debc38 100644
--- a/apps/calculation/calculation.cpp
+++ b/apps/calculation/calculation.cpp
@@ -296,6 +296,9 @@ Calculation::DisplayOutput Calculation::displayOutput(Context * context) {
   } else {
     m_displayOutput = DisplayOutput::ExactAndApproximate;
   }
+  if (strcmp(approximateOutputText(NumberOfSignificantDigits::Maximal), Undefined::Name()) == 0) {
+    m_displayOutput = DisplayOutput::ExactOnly;
+  }
   return m_displayOutput;
 }