qvec: fix undefined behaviour in PolyCentroid

2021-10-11 12:59:37 -06:00 · 2021-10-11 12:59:37 -06:00 · a60581c99a
parent fe99d69d07
commit a60581c99a
1 changed files with 1 additions and 1 deletions
--- a/include/common/qvec.hh
+++ b/include/common/qvec.hh
@ -423,7 +423,7 @@ template<typename Iter, typename T = typename std::iterator_traits<Iter>::value_
    else if (num_points == 1)
        return *begin;
    else if (num_points == 2)
-        return avg(*begin, *(++begin));
+        return avg(*begin, *(begin + 1));

    T poly_centroid{};
    value_type poly_area = 0;