From 3cda1784c84a8686710b853c78ebf17855fac2ac Mon Sep 17 00:00:00 2001
From: Felix Schindler <felix.schindler@wwu.de>
Date: Sat, 14 Mar 2020 21:06:14 +0100
Subject: [PATCH] [grid.intersection] add operator<< for intersections
---
dune/xt/grid/intersection.hh | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/dune/xt/grid/intersection.hh b/dune/xt/grid/intersection.hh
index 166a2b932..a69dfb916 100644
--- a/dune/xt/grid/intersection.hh
+++ b/dune/xt/grid/intersection.hh
@@ -169,6 +169,21 @@ contains(const Dune::Intersection<G, I>& intersection,
} // namespace Grid
} // namespace XT
+
+
+template <class G, class I>
+std::ostream& operator<<(std::ostream& out, const Dune::Intersection<G, I>& intersection)
+{
+ const auto& geometry = intersection.geometry();
+ const auto num_corners = geometry.corners();
+ out << G::dimension - 1 << "d-intersection{[" << geometry.corner(0) << "]";
+ for (int ii = 1; ii < num_corners; ++ii)
+ out << ", [" << geometry.corner(ii) << "]";
+ out << "}";
+ return out;
+}
+
+
} // namespace Dune
#endif // DUNE_XT_GRID_INTERSECTION_HH
--
GitLab