remove sym-function as its already in dunge-gfe/linearalgebra

dune/microstructure/bendingisometryaddons.hh

@@ -319,26 +319,26 @@ auto compare(LocalDiscreteKirchhoffFunction& kirchhoffFunction,
 
 
 
-/**
- * @brief Symmetric part of a matrix.
- *
- * @param M
- * @return FieldMatrix<RT,2,2>
- */
-template<class RT>
-static Dune::FieldMatrix<RT,2,2> sym (Dune::FieldMatrix<RT,2,2> M) {         // 1/2 (M^T + M)
-  Dune::FieldMatrix<RT,2,2> ret(0);
-  for (int i=0; i<2; i++)
-  {
-    ret[i][i] = M[i][i];
-    for (int j=i+1; j<2; j++)
-    {
-      ret[i][j] = 0.5*(M[i][j] + M[j][i]);
-      ret[j][i] = ret[i][j];
-    }
-  }
-  return ret;
-}
+// /**
+//  * @brief Symmetric part of a matrix.
+//  *
+//  * @param M
+//  * @return FieldMatrix<RT,2,2>
+//  */
+// template<class RT>
+// static Dune::FieldMatrix<RT,2,2> sym (Dune::FieldMatrix<RT,2,2> M) {         // 1/2 (M^T + M)
+//   Dune::FieldMatrix<RT,2,2> ret(0);
+//   for (int i=0; i<2; i++)
+//   {
+//     ret[i][i] = M[i][i];
+//     for (int j=i+1; j<2; j++)
+//     {
+//       ret[i][j] = 0.5*(M[i][j] + M[j][i]);
+//       ret[j][i] = ret[i][j];
+//     }
+//   }
+//   return ret;
+// }
 
 
 

dune/microstructure/energies/discretekirchhoffbendingenergyprestrained.hh

@@ -9,6 +9,7 @@
 #include <dune/gfe/assemblers/localenergy.hh>
 #include <dune/gfe/bendingisometryhelper.hh>
 #include <dune/gfe/tensor3.hh>
+#include <dune/gfe/linearalgebra.hh>
 
 #include <dune/localfunctions/lagrange/lagrangesimplex.hh>