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Prevent unnecessary copies of vectors using references.

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This commit is contained in:
Markus Blatt 2018-08-01 15:22:07 +02:00
parent 458cd8768f
commit f850f04c93
2 changed files with 6 additions and 6 deletions
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4
opm/autodiff/GraphColoring.hpp
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@ -183,7 +183,7 @@ colorVerticesWelshPowell(const Graph& graph)
template<class Graph> template<class Graph>
std::vector<std::size_t> std::vector<std::size_t>
reorderVerticesPreserving(const std::vector<int>& colors, int noColors, reorderVerticesPreserving(const std::vector<int>& colors, int noColors,
const std::vector<std::size_t> verticesPerColor, const std::vector<std::size_t>& verticesPerColor,
const Graph& graph) const Graph& graph)
{ {
std::vector<std::size_t> colorIndex(noColors, 0); std::vector<std::size_t> colorIndex(noColors, 0);
@ -203,7 +203,7 @@ reorderVerticesPreserving(const std::vector<int>& colors, int noColors,
template<class Graph> template<class Graph>
std::vector<std::size_t> std::vector<std::size_t>
reorderVerticesSpheres(const std::vector<int>& colors, int noColors, reorderVerticesSpheres(const std::vector<int>& colors, int noColors,
const std::vector<std::size_t> verticesPerColor, const std::vector<std::size_t>& verticesPerColor,
const Graph& graph, const Graph& graph,
typename Graph::VertexDescriptor root) typename Graph::VertexDescriptor root)
{ {

8
opm/autodiff/ParallelOverlappingILU0.hpp
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@ -168,14 +168,14 @@ namespace Opm
struct RealReorderer : public Reorderer struct RealReorderer : public Reorderer
{ {
RealReorderer(std::vector<std::size_t> ordering) RealReorderer(const std::vector<std::size_t>& ordering)
: ordering_(ordering) : ordering_(&ordering)
{} {}
virtual std::size_t operator[](std::size_t i) const virtual std::size_t operator[](std::size_t i) const
{ {
return ordering_[i]; return (*ordering_)[i];
} }
std::vector<std::size_t> ordering_; const std::vector<std::size_t>* ordering_;
}; };
struct IdentityFunctor struct IdentityFunctor