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Fix two warnings in the test suite. #16280

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merged 1 commit into from
Nov 20, 2023
Merged

Fix two warnings in the test suite. #16280

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2 changes: 1 addition & 1 deletion tests/lac/tensor_product_matrix_08.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ do_test()
std::tuple<unsigned int, bool, bool>{0, false, true} // deformed hyper-cube
};

for (const auto setting : settings)
for (const auto &setting : settings)
{
Triangulation<dim> tria;

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4 changes: 2 additions & 2 deletions tests/multigrid/constrained_dofs_05.cc
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Expand Up @@ -95,7 +95,7 @@ check()

// Print faces that connect to coarser DoF
deallog << " Faces neighboring coarser cells:" << std::endl;
for (const auto level_cell : dof_handler.cell_iterators_on_level(level))
for (const auto &level_cell : dof_handler.cell_iterators_on_level(level))
{
// Iterate over all faces
for (const unsigned int i_face : GeometryInfo<dim>::face_indices())
Expand Down Expand Up @@ -128,7 +128,7 @@ check()
// Print faces that have periodic neighbors
deallog << " Faces having periodic neighbors of same level:"
<< std::endl;
for (const auto level_cell : dof_handler.cell_iterators_on_level(level))
for (const auto &level_cell : dof_handler.cell_iterators_on_level(level))
{
// Iterate over all faces
for (const unsigned int i_face : GeometryInfo<dim>::face_indices())
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