From: Menno Fraters <menno.fraters@outlook.com>
Date: Tue, 3 Mar 2020 04:32:33 +0000 (-0800)
Subject: Fix tester: remove constant expression.
X-Git-Tag: v9.2.0-rc1~453^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F9580%2Fhead;p=dealii.git

Fix tester: remove constant expression.
---

diff --git a/include/deal.II/base/tensor.h b/include/deal.II/base/tensor.h
index dd4727d2f2..05bae7e4ca 100644
--- a/include/deal.II/base/tensor.h
+++ b/include/deal.II/base/tensor.h
@@ -2631,7 +2631,7 @@ cofactor(const Tensor<2, dim, Number> &t)
  * @relatesalso Tensor
  */
 template <int dim, typename Number>
-constexpr Tensor<2, dim, Number>
+Tensor<2, dim, Number>
 project_onto_orthogonal_tensors(const Tensor<2, dim, Number> &tensor,
                                 const double                  tolerance)
 {
diff --git a/tests/ad_common_tests/tensor_functions_01.h b/tests/ad_common_tests/tensor_functions_01.h
index d0813fa81a..e00e044980 100644
--- a/tests/ad_common_tests/tensor_functions_01.h
+++ b/tests/ad_common_tests/tensor_functions_01.h
@@ -55,16 +55,14 @@ test_tensor()
   const Tensor<2, dim, ADNumberType> C5 = A * a;
   const Tensor<2, dim, ADNumberType> C6 = A / a;
 
-  const ADNumberType                 det_A = determinant(A);
-  const ADNumberType                 tr_A  = trace(A);
-  const Tensor<2, dim, ADNumberType> A_inv = invert(A);
-  const Tensor<2, dim, ADNumberType> A_T   = transpose(A);
-  const Tensor<2, dim, ADNumberType> A_adj = adjugate(A);
-  const Tensor<2, dim, ADNumberType> A_cof = cofactor(A);
-  const Tensor<2, dim, ADNumberType> A_orth =
-    project_onto_orthogonal_tensors(A);
-  const ADNumberType A_l1_norm   = l1_norm(A, 1e-8);
-  const ADNumberType A_linf_norm = linfty_norm(A);
+  const ADNumberType                 det_A       = determinant(A);
+  const ADNumberType                 tr_A        = trace(A);
+  const Tensor<2, dim, ADNumberType> A_inv       = invert(A);
+  const Tensor<2, dim, ADNumberType> A_T         = transpose(A);
+  const Tensor<2, dim, ADNumberType> A_adj       = adjugate(A);
+  const Tensor<2, dim, ADNumberType> A_cof       = cofactor(A);
+  const ADNumberType                 A_l1_norm   = l1_norm(A);
+  const ADNumberType                 A_linf_norm = linfty_norm(A);
 
   const ADNumberType A_ddot_B = double_contract<0, 0, 1, 1>(A, B);
   const Tensor<2, dim, ADNumberType> A_dot_B = contract<1, 0>(A, B);
diff --git a/tests/tensors/constexpr_tensor.cc b/tests/tensors/constexpr_tensor.cc
index 53c08dfb5b..de75112e03 100644
--- a/tests/tensors/constexpr_tensor.cc
+++ b/tests/tensors/constexpr_tensor.cc
@@ -181,7 +181,7 @@ main()
     DEAL_II_CONSTEXPR const auto dummy_8 = cofactor(a);
     deallog << "Deteriminant before orthogonalization: " << determinant(a)
             << std::endl;
-    const auto dummy_9 = project_onto_orthogonal_tensors(a, 1e-8);
+    const auto dummy_9 = project_onto_orthogonal_tensors(a, 0);
     deallog << "Deteriminant after  orthogonalization: " << determinant(dummy_9)
             << std::endl;
     Assert(determinant(dummy_9) - 1. < 1e-8, ExcInternalError());