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-rw-r--r--boost/polygon/voronoi_diagram.hpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/boost/polygon/voronoi_diagram.hpp b/boost/polygon/voronoi_diagram.hpp
index 7df26ec4e1..33803f4eba 100644
--- a/boost/polygon/voronoi_diagram.hpp
+++ b/boost/polygon/voronoi_diagram.hpp
@@ -347,8 +347,8 @@ class voronoi_diagram {
const detail::site_event<CT>& site1,
const detail::site_event<CT>& site2) {
// Get sites' indexes.
- int site_index1 = site1.sorted_index();
- int site_index2 = site2.sorted_index();
+ std::size_t site_index1 = site1.sorted_index();
+ std::size_t site_index2 = site2.sorted_index();
bool is_linear = is_linear_edge(site1, site2);
bool is_primary = is_primary_edge(site1, site2);