Adjust to new template parameter of SymmetricTensor

[[Imported from SVN: r12665]]

dune/elasticity/common/elasticityhelpers.hh

@@ -16,8 +16,8 @@ namespace Dune {
          *  \param grad The gradient of the direction in which the linearisation is computed.
          *  \param strain The tensor to store the strain in. 
          */
-        template <int dim>
-        void computeNonlinearStrain(const Dune::FieldMatrix<double, dim, dim>& grad, SymmetricTensor<dim>& strain) {
+        template <int dim, class field_type=double>
+        void computeNonlinearStrain(const Dune::FieldMatrix<field_type, dim, dim>& grad, SymmetricTensor<dim,field_type>& strain) {
             strain = 0;
             for (int i=0; i<dim ; ++i) {
                 strain(i,i) +=grad[i][i];
@@ -38,8 +38,8 @@ namespace Dune {
          *  \param grad The gradient of the direction in which the linearisation is computed.
          *  \param strain The tensor to store the strain in. 
          */
-        template <int dim>
-        void computeLinearisedStrain(const Dune::FieldMatrix<double, dim, dim>& grad, SymmetricTensor<dim>& strain) {
+        template <int dim, class field_type=double>
+        void computeLinearisedStrain(const Dune::FieldMatrix<field_type, dim, dim>& grad, SymmetricTensor<dim,field_type>& strain) {
             for (int i=0; i<dim ; ++i)
             {
                 strain(i,i) = grad[i][i];
@@ -55,9 +55,9 @@ namespace Dune {
          *  \param conf The deformation gradient(!) of the configuration at which the linearisation is evaluated.
          *  \param strain The tensor to store the strain in. 
          */
-        template <int dim>
-        void computeLinearisedStrain(const Dune::FieldMatrix<double, dim, dim>& grad, const Dune::FieldMatrix<double, dim, dim>& conf,
-                                     SymmetricTensor<dim>& strain) {
+        template <int dim, class field_type=double>
+        void computeLinearisedStrain(const Dune::FieldMatrix<field_type, dim, dim>& grad, const Dune::FieldMatrix<field_type, dim, dim>& conf,
+                                     SymmetricTensor<dim,field_type>& strain) {
             strain = 0;
             for (int i=0;i<dim; i++)
                 for (int j=i;j<dim;j++)