removing step-37 coefficient class

prisms-center · Jan 14, 2025 · 54ac82b · 54ac82b
1 parent de2e774
commit 54ac82b
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diff --git a/include/core/matrix_free_operator.h b/include/core/matrix_free_operator.h
@@ -9,34 +9,6 @@
 
 using namespace dealii;
 
-template <int dim>
-class Coefficient : public Function<dim>
-{
-public:
-  virtual double
-  value(const Point<dim> &p, const unsigned int component = 0) const override;
-
-  template <typename number>
-  number
-  value(const Point<dim, number> &p, const unsigned int component = 0) const;
-};
-
-template <int dim>
-template <typename number>
-number
-Coefficient<dim>::value(const Point<dim, number> &p,
-                        const unsigned int /*component*/) const
-{
-  return 1.0 / (0.05 + 2.0 * p.square());
-}
-
-template <int dim>
-double
-Coefficient<dim>::value(const Point<dim> &p, const unsigned int component) const
-{
-  return value<double>(p, component);
-}
-
 /**
  * \brief This is the abstract base class for the matrix free implementation of some PDE.
  *
@@ -69,9 +41,6 @@ class matrixFreeOperator
   void
   clear() override;
 
-  void
-  evaluate_coefficient(const Coefficient<dim> &coefficient_function);
-
   /**
    * \brief Compute the diagonal of this operator.
    */
@@ -111,8 +80,6 @@ class matrixFreeOperator
                          LinearAlgebra::distributed::Vector<number>  &dst,
                          const unsigned int                          &dummy,
                          const std::pair<unsigned int, unsigned int> &cell_range) const;
-
-  Table<2, VectorizedArray<number>> coefficient;
 };
 
 template <int dim, int degree, typename number>
@@ -124,29 +91,9 @@ template <int dim, int degree, typename number>
 void
 matrixFreeOperator<dim, degree, number>::clear()
 {
-  coefficient.reinit(0, 0);
   MatrixFreeOperators::Base<dim, LinearAlgebra::distributed::Vector<number>>::clear();
 }
 
-template <int dim, int degree, typename number>
-void
-matrixFreeOperator<dim, degree, number>::evaluate_coefficient(
-  const Coefficient<dim> &coefficient_function)
-{
-  const unsigned int                               n_cells = this->data->n_cell_batches();
-  FEEvaluation<dim, degree, degree + 1, 1, number> phi(*this->data);
-
-  coefficient.reinit(n_cells, phi.n_q_points);
-  for (unsigned int cell = 0; cell < n_cells; ++cell)
-    {
-      phi.reinit(cell);
-      for (const unsigned int q : phi.quadrature_point_indices())
-        {
-          coefficient(cell, q) = coefficient_function.value(phi.quadrature_point(q));
-        }
-    }
-}
-
 template <int dim, int degree, typename number>
 void
 matrixFreeOperator<dim, degree, number>::local_apply(

diff --git a/include/core/temp_test.h b/include/core/temp_test.h
@@ -135,8 +135,6 @@ LaplaceProblem<dim>::setup_system()
       system_matrix.initialize(system_mf_storage);
     }
 
-    system_matrix.evaluate_coefficient(Coefficient<dim>());
-
     system_matrix.initialize_dof_vector(solution);
     system_matrix.initialize_dof_vector(system_rhs);
   }
@@ -181,7 +179,6 @@ LaplaceProblem<dim>::setup_system()
                                     additional_data);
 
         mg_matrices[level].initialize(mg_mf_storage_level, mg_constrained_dofs, level);
-        mg_matrices[level].evaluate_coefficient(Coefficient<dim>());
       }
   }
   setup_time += time.wall_time();