From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Fri, 7 Nov 2008 15:06:42 +0000 (+0000)
Subject: Finding the distance along a bezier curve from point x to point x was failing with... 
X-Git-Url: https://git.pterodactylus.net/?p=synfig.git;a=commitdiff_plain;h=bd4b3d17e246ddb8c76b8aa30367b26bddee3bc1

Finding the distance along a bezier curve from point x to point x was failing with a division by zero.  Fix by always returning 0 in that case.

git-svn-id: https://synfig.svn.sourceforge.net/svnroot/synfig@2163 1f10aa63-cdf2-0310-b900-c93c546f37ac
---

diff --git a/ETL/trunk/ETL/_bezier.h b/ETL/trunk/ETL/_bezier.h
index 70dfe99..4851a98 100644
--- a/ETL/trunk/ETL/_bezier.h
+++ b/ETL/trunk/ETL/_bezier.h
@@ -577,6 +577,7 @@ public:
 	distance_type find_distance(time_type r, time_type s, int steps=7)const
 	{
 		const time_type inc((s-r)/steps);
+		if (!inc) return 0;
 		distance_type ret(0);
 		value_type last(operator()(r));