From 2e9bd5dc34bdc53dc01d7109988f03b37175302d Mon Sep 17 00:00:00 2001
From: Sven Strickroth <email@cs-ware.de>
Date: Mon, 8 Sep 2014 01:00:26 +0200
Subject: [PATCH] Avoid a possible division-by-zero, and cast to a double to
 avoid premature precision loss

Based on TortoiseSVN revision #25839.

Signed-off-by: Sven Strickroth <email@cs-ware.de>
---
 src/Utils/MiscUI/MyGraph.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Utils/MiscUI/MyGraph.cpp b/src/Utils/MiscUI/MyGraph.cpp
index c3e7ba29e..7a577220d 100644
--- a/src/Utils/MiscUI/MyGraph.cpp
+++ b/src/Utils/MiscUI/MyGraph.cpp
@@ -1131,7 +1131,8 @@ void MyGraph::DrawSeriesBar(CDC& dc) const
 	double maxSeriesPlotSize(0.0);
 
 	if(!m_bStackedGraph){
-		barWidth = seriesSpace / GetMaxNonZeroSeriesSize();
+		int seriessize = GetMaxNonZeroSeriesSize();
+		barWidth = seriessize ? seriesSpace / seriessize : 0;
 		if (1 < GetNonZeroSeriesCount()) {
 			barWidth *= INTERSERIES_PERCENT_USED;
 		}
@@ -1273,7 +1274,7 @@ void MyGraph::DrawSeriesLine(CDC& dc) const
 			int nMaxDataValue(GetMaxDataValue());
 			nMaxDataValue = max(nMaxDataValue, 1);
 			double dLineHeight(pSeries->GetData(nGroup) * m_nYAxisHeight /
-				nMaxDataValue);
+				double(nMaxDataValue));
 
 			ptLoc.y = (int) ((double) m_ptOrigin.y - dLineHeight);
 
-- 
2.11.4.GIT