Merge pull request #191 from mkaravel/fix/maybe-uninitialized-warning

[algorithms][closest_feature] initialize variable passed by reference to...

include/boost/geometry/algorithms/detail/closest_feature/range_to_range.hpp

@@ -60,6 +60,7 @@ private:
         BOOST_ASSERT( queries_first != queries_last );
 
         Distance const zero = Distance(0);
+        dist_min = zero;
 
         // create -- packing algorithm
         rtree_type rt(rtree_first, rtree_last);

include/boost/geometry/algorithms/detail/distance/geometry_to_segment_or_box.hpp

@@ -215,7 +215,7 @@ public:
 
         // consider all distances of the points in the geometry to the
         // segment or box
-        comparable_return_type cd_min1;
+        comparable_return_type cd_min1(0);
         point_iterator_type pit_min;
         seg_or_box_iterator_type it_min1 = seg_or_box_points.begin();
         seg_or_box_iterator_type it_min2 = ++seg_or_box_points.begin();
@@ -246,7 +246,7 @@ public:
 
         // consider all distances of the points in the segment or box to the
         // segments of the geometry
-        comparable_return_type cd_min2;
+        comparable_return_type cd_min2(0);
         segment_iterator_type sit_min;
         typename std::vector<segment_or_box_point>::const_iterator it_min;
 

test/algorithms/distance/distance_brute_force.hpp

@@ -98,7 +98,7 @@ struct one_to_many
         >::type distance_type;
 
         bool first = true;
-        distance_type d_min;
+        distance_type d_min(0);
         for (Iterator it = begin; it != end; ++it, first = false)
         {
             distance_type d = Policy::apply(geometry, *it, strategy);