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Merge pull request #131 from mkaravel/fix/distance-unused-warning

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[algorithms][distance] add a comment about the usage of boost::ignore_unused
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Barend Gehrels
2014-08-11 13:48:50 +02:00
parent 1029cb13b3 c218f32242
commit 4b8a11de27
1 changed files with 6 additions and 0 deletions
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6
include/boost/geometry/algorithms/detail/distance/geometry_to_geometry_rtree.hpp
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@@ -94,6 +94,12 @@ private:
m_r_tree.query(index::nearest(query_geometry, 1), &t_v);
BOOST_ASSERT( n > 0 );
// n above is unused outside BOOST_ASSERT, hence the call
// to boost::ignore_unused below
//
// however, t_v (initialized by the call to m_r_tree.query(...))
// is used below, which is why we cannot put the call to
// m_r_tree.query(...) inside BOOST_ASSERT
boost::ignore_unused(n);
comparable_return_type cd = dispatch::distance