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Use reserve only when available

This commit is contained in:
Giles Bathgate 2022-02-02 20:18:45 +00:00
parent 1a9f620031
commit 74290b7a0e
1 changed files with 5 additions and 0 deletions
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5
Hash_map/benchmark/Hash_map/polyhedron.cpp
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@ -26,6 +26,10 @@ typedef boost::graph_traits<Mesh>::vertex_descriptor vertex_descriptor;
typedef CGAL::Timer Timer;
template <typename Map>
auto reserve(Map& sm, typename Map::size_type ii) -> decltype(sm.reserve(ii), void()){
sm.reserve(ii);
}
template <typename Map, typename VPM>
double fct(int ii, int jj, const std::vector<vertex_descriptor>& V, const VPM& vpm, const std::string& s)
@ -35,6 +39,7 @@ double fct(int ii, int jj, const std::vector<vertex_descriptor>& V, const VPM& v
construct.start();
for(int j=0; j <jj; j++){
Map sm;
reserve(sm,ii);
for(vertex_descriptor vh : V){
sm[vh] = get(vpm,vh);
}