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Alternative way to avoid warnings. #13091

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Dec 16, 2021
Merged

Alternative way to avoid warnings. #13091

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9 changes: 4 additions & 5 deletions include/deal.II/matrix_free/fe_evaluation.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3666,7 +3666,10 @@ FEEvaluationBase<dim, n_components_, Number, is_face, VectorizedArrayType>::
return;
}

const unsigned int *dof_indices[n_lanes];
// Allocate pointers, then initialize all of them to nullptrs and
// below overwrite the ones we actually use:
std::array<const unsigned int *, n_lanes> dof_indices;
dof_indices.fill(nullptr);

// Assign the appropriate cell ids for face/cell case and get the pointers
// to the dof indices of the cells on all lanes
Expand Down Expand Up @@ -3706,8 +3709,6 @@ FEEvaluationBase<dim, n_components_, Number, is_face, VectorizedArrayType>::
dof_indices[v] =
this->dof_info->dof_indices.data() + my_index_start[0].first;
}
for (unsigned int v = n_vectorization_actual; v < n_lanes; ++v)
dof_indices[v] = nullptr;
}
else
{
Expand Down Expand Up @@ -3740,8 +3741,6 @@ FEEvaluationBase<dim, n_components_, Number, is_face, VectorizedArrayType>::
dof_indices[v] =
this->dof_info->dof_indices.data() + my_index_start[0].first;
}
for (unsigned int v = n_vectorization_actual; v < n_lanes; ++v)
dof_indices[v] = nullptr;
}

// Case where we have no constraints throughout the whole cell: Can go
Expand Down