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vstd: add function to check vector intersection

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ArseniyShestakov
2015-03-08 14:41:17 +03:00
parent 6ace53d8b9
commit e4f591ba84
1 changed files with 10 additions and 0 deletions
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10
Global.h
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@@ -664,6 +664,16 @@ namespace vstd
dest.insert(dest.end(), src.begin(), src.end()); dest.insert(dest.end(), src.begin(), src.end());
} }
template <typename T>
std::vector<T> intersection(std::vector<T> &v1, std::vector<T> &v2)
{
std::vector<T> v3;
std::sort(v1.begin(), v1.end());
std::sort(v2.begin(), v2.end());
std::set_intersection(v1.begin(), v1.end(), v2.begin(), v2.end(), back_inserter(v3));
return v3;
}
using boost::math::round; using boost::math::round;
} }
using vstd::operator-=; using vstd::operator-=;