From ed05bc9f7e783a0f73d4f523a0f939e3b5dd76e2 Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Wed, 24 Sep 2014 17:23:40 -0700
Subject: [PATCH] Fix overflow that was leaving some lines too far away

---
 tile.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tile.cc b/tile.cc
index 8c92872..6716294 100644
--- a/tile.cc
+++ b/tile.cc
@@ -305,7 +305,7 @@ void douglas_peucker(struct draw *geom, int n, double e) {
 		int first = recursion_stack.top();
 		recursion_stack.pop();
 
-		int max_distance = -1;
+		double max_distance = -1;
 		int farthest_element_index = second;
 
 		// find index idx of element with max_distance
@@ -316,7 +316,7 @@ void douglas_peucker(struct draw *geom, int n, double e) {
 				geom[second].x, geom[second].y);
 
 			double distance = fabs(temp_dist);
-	
+
 			if (distance > e && distance > max_distance) {
 				farthest_element_index = i;
 				max_distance = distance;