[mlpack] 79/207: Add untested implementation for move and copy constructors.

[Barak A. Pearlmutter]

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in repository mlpack.

commit 233d8324e50fcb603ba9d67c065534467c9a8ae9
Author: Ryan Curtin <ryan at ratml.org>
Date:   Wed Aug 10 16:11:16 2016 -0400

    Add untested implementation for move and copy constructors.
---
 .../neighbor_search/neighbor_search_impl.hpp       | 58 ++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp b/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
index 8aea761..c4ec410 100644
--- a/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
+++ b/src/mlpack/methods/neighbor_search/neighbor_search_impl.hpp
@@ -391,6 +391,64 @@ SingleTreeTraversalType>::NeighborSearch(const bool naive,
   }
 }
 
+// Copy constructor.
+template<typename SortPolicy,
+         typename MetricType,
+         typename MatType,
+         template<typename TreeMetricType,
+                  typename TreeStatType,
+                  typename TreeMatType> class TreeType,
+         template<typename> class TraversalType>
+NeighborSearch<SortPolicy, MetricType, MatType, TreeType, TraversalType>::
+NeighborSearch(const NeighborSearch& other) :
+    oldFromNewReferences(other.oldFromNewReferences),
+    referenceTree(other.naive ? NULL : new Tree(*other.referenceTree)),
+    referenceSet(other.naive ? new MatType(*other.referenceSet) :
+        &referenceTree->Dataset()),
+    treeOwner(!other.naive),
+    setOwner(other.naive),
+    naive(other.naive),
+    singleMode(other.singleMode),
+    epsilon(other.epsilon),
+    metric(other.metric),
+    baseCases(other.baseCases),
+    scores(other.scores),
+    treeNeedsReset(other.treeNeedsReset)
+{
+  // Nothing to do.
+}
+
+// Move constructor.
+template<typename SortPolicy,
+         typename MetricType,
+         typename MatType,
+         template<typename TreeMetricType,
+                  typename TreeStatType,
+                  typename TreeMatType> class TreeType,
+         template<typename> class TraversalType>
+NeighborSearch<SortPolicy, MetricType, MatType, TreeType, TraversalType>::
+NeighborSearch(NeighborSearch&& other) :
+    oldFromNewReferences(std::move(other.oldFromNewReferences)),
+    referenceTree(other.referenceTree),
+    referenceSet(other.referenceSet),
+    treeOwner(other.treeOwner),
+    setOwner(other.setOwner),
+    naive(other.naive),
+    singleMode(other.singleMode),
+    epsilon(other.epsilon),
+    metric(std::move(other.metric)),
+    baseCases(other.baseCases),
+    scores(other.scores),
+    treeNeedsReset(other.treeNeedsReset)
+{
+  other.referenceTree = NULL;
+  other.referenceSet = new arma::mat(); // Empty dataset.
+  other.treeOwner = false;
+  other.setOwner = true;
+  other.baseCases = 0;
+  other.scores = 0;
+}
+
 // Clean memory.
 template<typename SortPolicy,
          typename MetricType,

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