From 2193f81702f109c8adc1783e0ec51e2ef2fb64bc Mon Sep 17 00:00:00 2001
From: Noah Metzger <noah.metzger@bib.uni-mannheim.de>
Date: Thu, 3 May 2018 14:55:41 +0200
Subject: [PATCH] Fixed CID 1164537 (possible division by zero)

If height_count stays zero the maximal error calculation contains a division by zero.

Signed-off-by: Noah Metzger <noah.metzger@bib.uni-mannheim.de>
---
 src/textord/colpartition.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/textord/colpartition.cpp b/src/textord/colpartition.cpp
index 8366ee8d..f540de67 100644
--- a/src/textord/colpartition.cpp
+++ b/src/textord/colpartition.cpp
@@ -1343,6 +1343,8 @@ bool ColPartition::HasGoodBaseline() {
     width = last_pt.x() - first_pt.x();
   }
   // Maximum median error allowed to be a good text line.
+  if (height_count == 0) 
+    return false;
   double max_error = kMaxBaselineError * total_height / height_count;
   ICOORD start_pt, end_pt;
   double error = linepoints.Fit(&start_pt, &end_pt);