From 98996a1567bba771225b96c5df9d3d7bd0424556 Mon Sep 17 00:00:00 2001
From: Vladimir Byko-Ianko <v.bykoianko@corp.mail.ru>
Date: Fri, 12 Aug 2016 10:26:20 +0300
Subject: [PATCH] Bugfix. Crash on zero length routes.

---
 routing/routing_session.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/routing/routing_session.cpp b/routing/routing_session.cpp
index 720f22996d..0de247706d 100644
--- a/routing/routing_session.cpp
+++ b/routing/routing_session.cpp
@@ -323,13 +323,13 @@ void RoutingSession::GetRouteFollowingInfo(FollowingInfo & info) const
 
 double RoutingSession::GetCompletionPercent() const
 {
-  // Uncreated route can't have completion percents.
-  if (!m_route.IsValid())
+  double const denominator = m_passedDistanceOnRouteMeters + m_route.GetTotalDistanceMeters();
+  if (!m_route.IsValid() || denominator == 0.0)
     return 0;
 
   double const percent = 100.0 *
     (m_passedDistanceOnRouteMeters + m_route.GetCurrentDistanceFromBeginMeters()) /
-    (m_passedDistanceOnRouteMeters + m_route.GetTotalDistanceMeters());
+    denominator;
   if (percent - m_lastCompletionPercent > kCompletionPercentAccuracy)
   {
     auto const lastGoodPoint =