From 67d9f79bd3014c5db5edacb932e2ea30426c8e89 Mon Sep 17 00:00:00 2001
From: Barend Gehrels <barend@xs4all.nl>
Date: Sat, 14 Jul 2012 16:58:23 +0000
Subject: [PATCH] [geometry] Bugfix for integer coordinates, causing
 intersection points at wrong locations (severe)

[SVN r79505]
---
 include/boost/geometry/strategies/cartesian/cart_intersect.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/geometry/strategies/cartesian/cart_intersect.hpp b/include/boost/geometry/strategies/cartesian/cart_intersect.hpp
index 540bc704c..ea92cf37b 100644
--- a/include/boost/geometry/strategies/cartesian/cart_intersect.hpp
+++ b/include/boost/geometry/strategies/cartesian/cart_intersect.hpp
@@ -193,7 +193,7 @@ struct relate_cartesian_segments
             }
             else
             {
-                r = da / d;
+                r = promoted_type(da) / promoted_type(d);
 
                 if (! robustness_verify_r(a, b, r))
                 {