Merge pull request #13014 from bangerth/aligned-2

Avoid unnecessary memory allocation.
dealii · Dec 1, 2021 · 1d2117d · 1d2117d
2 parents d745029 + 45728dc
commit 1d2117d
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Showing 2 changed files with 7 additions and 10 deletions.
diff --git a/include/deal.II/base/table.h b/include/deal.II/base/table.h
@@ -2154,10 +2154,9 @@ TableBase<N, T>::TableBase(const TableIndices<N> &sizes,
 template <int N, typename T>
 TableBase<N, T>::TableBase(const TableBase<N, T> &src)
   : Subscriptor()
-{
-  reinit(src.table_size, true);
-  values = src.values;
-}
+  , values(src.values)
+  , table_size(src.table_size)
+{}
 
 
 

diff --git a/tests/base/aligned_vector_memory_02.output b/tests/base/aligned_vector_memory_02.output
@@ -2,12 +2,10 @@
 DEAL::---- Creating outer table
 DEAL::default constructor. Object number 0
 DEAL::---- Cloning outer table
-DEAL::default constructor. Object number 1
-DEAL::destructor. Object number 1
-DEAL::copy constructor from 0. Object number 2
+DEAL::copy constructor from 0. Object number 1
 DEAL::---- Destroying the clone
-DEAL::destructor. Object number 2
+DEAL::destructor. Object number 1
 DEAL::---- Destroying the source table
 DEAL::destructor. Object number 0
-DEAL::Objects created: 3
-DEAL::Objects destroyed: 3
+DEAL::Objects created: 2
+DEAL::Objects destroyed: 2