From: Bruno Turcksin <bruno.turcksin@gmail.com>
Date: Wed, 13 May 2020 02:11:32 +0000 (+0000)
Subject: Silence deprecation warnings
X-Git-Tag: v9.2.0-rc2~18^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d9a00f8e511fbd40dac9c45730a9a00d189df1c;p=dealii.git

Silence deprecation warnings
---

diff --git a/include/deal.II/matrix_free/cuda_fe_evaluation.h b/include/deal.II/matrix_free/cuda_fe_evaluation.h
index 030d31108b..44a3d4cb00 100644
--- a/include/deal.II/matrix_free/cuda_fe_evaluation.h
+++ b/include/deal.II/matrix_free/cuda_fe_evaluation.h
@@ -515,7 +515,8 @@ namespace CUDAWrappers
   FEEvaluation<dim, fe_degree, n_q_points_1d, n_components_, Number>::
     get_value() const
   {
-    return get_value(internal::compute_index<dim, n_q_points_1d>());
+    const unsigned int q_point = internal::compute_index<dim, n_q_points_1d>();
+    return values[q_point];
   }
 
 
@@ -551,7 +552,8 @@ namespace CUDAWrappers
   FEEvaluation<dim, fe_degree, n_q_points_1d, n_components_, Number>::
     get_dof_value() const
   {
-    return get_dof_value(internal::compute_index<dim, fe_degree + 1>());
+    const unsigned int dof = internal::compute_index<dim, fe_degree + 1>();
+    return values[dof];
   }
 
 
@@ -579,7 +581,8 @@ namespace CUDAWrappers
   FEEvaluation<dim, fe_degree, n_q_points_1d, n_components_, Number>::
     submit_value(const value_type &val_in)
   {
-    submit_value(val_in, internal::compute_index<dim, n_q_points_1d>());
+    const unsigned int q_point = internal::compute_index<dim, n_q_points_1d>();
+    values[q_point]            = val_in * JxW[q_point];
   }
 
 
@@ -607,7 +610,8 @@ namespace CUDAWrappers
   FEEvaluation<dim, fe_degree, n_q_points_1d, n_components_, Number>::
     submit_dof_value(const value_type &val_in)
   {
-    submit_dof_value(val_in, internal::compute_index<dim, fe_degree + 1>());
+    const unsigned int dof = internal::compute_index<dim, fe_degree + 1>();
+    values[dof]            = val_in;
   }
 
 
@@ -660,7 +664,20 @@ namespace CUDAWrappers
     static_assert(n_components_ == 1, "This function only supports FE with one \
                   components");
 
-    return get_gradient(internal::compute_index<dim, n_q_points_1d>());
+    // TODO optimize if the mesh is uniform
+    const unsigned int q_point = internal::compute_index<dim, n_q_points_1d>();
+    const Number *     inv_jacobian = &inv_jac[q_point];
+    gradient_type      grad;
+    for (int d_1 = 0; d_1 < dim; ++d_1)
+      {
+        Number tmp = 0.;
+        for (int d_2 = 0; d_2 < dim; ++d_2)
+          tmp += inv_jacobian[padding_length * n_cells * (dim * d_2 + d_1)] *
+                 gradients[d_2][q_point];
+        grad[d_1] = tmp;
+      }
+
+    return grad;
   }
 
 
@@ -697,7 +714,17 @@ namespace CUDAWrappers
   FEEvaluation<dim, fe_degree, n_q_points_1d, n_components_, Number>::
     submit_gradient(const gradient_type &grad_in)
   {
-    submit_gradient(grad_in, internal::compute_index<dim, n_q_points_1d>());
+    // TODO optimize if the mesh is uniform
+    const unsigned int q_point = internal::compute_index<dim, n_q_points_1d>();
+    const Number *     inv_jacobian = &inv_jac[q_point];
+    for (int d_1 = 0; d_1 < dim; ++d_1)
+      {
+        Number tmp = 0.;
+        for (int d_2 = 0; d_2 < dim; ++d_2)
+          tmp += inv_jacobian[n_cells * padding_length * (dim * d_1 + d_2)] *
+                 grad_in[d_2];
+        gradients[d_1][q_point] = tmp * JxW[q_point];
+      }
   }