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Commit b3a67910 authored by Dennis Gläser's avatar Dennis Gläser
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[box][fvgridgeom] use correct return type for periodic vertex map

parent c907d6b3
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2 merge requests!1269[1pncmin tests changed],!1233Fix/periodic boundaries
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dumux/discretization/box/fvgridgeometry.hh
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......@@ -314,7 +314,7 @@ public:
{ return periodicVertexMap_.at(dofIdx); }
//! Returns the map between dofs across periodic boundaries
const std::unordered_map<std::size_t, std::size_t> periodicVertexMap() const
const std::unordered_map<std::size_t, std::size_t>& periodicVertexMap() const
{ return periodicVertexMap_; }
private:
......@@ -505,7 +505,7 @@ public:
{ return periodicVertexMap_.at(dofIdx); }
//! Returns the map between dofs across periodic boundaries
const std::unordered_map<std::size_t, std::size_t> periodicVertexMap() const
const std::unordered_map<std::size_t, std::size_t>& periodicVertexMap() const
{ return periodicVertexMap_; }
private:
......
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