From 937dacd7dff7a629c90a71893e8f13003039e8ec Mon Sep 17 00:00:00 2001
From: Gaute Lindkvist <lindkvis@gmail.com>
Date: Mon, 5 Nov 2018 14:41:12 +0100
Subject: [PATCH] Assert on contourLevel range not being empty for
 cafContourLines

---
 Fwk/AppFwk/CommonCode/cafContourLines.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Fwk/AppFwk/CommonCode/cafContourLines.cpp b/Fwk/AppFwk/CommonCode/cafContourLines.cpp
index b92b466ff7..9721166e30 100644
--- a/Fwk/AppFwk/CommonCode/cafContourLines.cpp
+++ b/Fwk/AppFwk/CommonCode/cafContourLines.cpp
@@ -211,6 +211,7 @@ void caf::ContourLines::create(const std::vector<double>& dataXY, const std::vec
 //--------------------------------------------------------------------------------------------------
 double caf::ContourLines::contourRange(const std::vector<double>& contourLevels)
 {
+    CVF_ASSERT(!contourLevels.empty());
     return std::max(1.0e-6, contourLevels.back() - contourLevels.front());
 }