[Cleanup] Extract type from Assembler

src/one-body-sample.cc

@@ -93,14 +93,6 @@ int main(int argc, char *argv[]) {
                                            parset);
     Dune::ParameterTreeParser::readOptions(argc, argv, parset);
 
-    using LocalMatrix = Dune::FieldMatrix<double, dims, dims>;
-    using LocalScalarMatrix = Dune::FieldMatrix<double, 1, 1>;
-    using LocalVector = Dune::FieldVector<double, dims>;
-    using Matrix = Dune::BCRSMatrix<LocalMatrix>;
-    using ScalarMatrix = Dune::BCRSMatrix<LocalScalarMatrix>;
-    using ScalarVector = Dune::BlockVector<Dune::FieldVector<double, 1>>;
-    using Vector = Dune::BlockVector<LocalVector>;
-
     auto const youngModulus = parset.get<double>("body.youngModulus");
     auto const poissonRatio = parset.get<double>("body.poissonRatio");
     auto const shearViscosity = parset.get<double>("body.shearViscosity");
@@ -125,7 +117,7 @@ int main(int argc, char *argv[]) {
       grid = Dune::StructuredGridFactory<Grid>::createSimplexGrid(
           lowerLeft, upperRight, elements);
     }
-    LocalVector zenith(0);
+    Dune::FieldVector<double, dims> zenith(0);
     zenith[1] = 1;
 
     auto const refinements = parset.get<size_t>("grid.refinements");
@@ -207,6 +199,12 @@ int main(int argc, char *argv[]) {
                                     normalStress);
 
     using MyAssembler = MyAssembler<GridView, dims>;
+    using Matrix = MyAssembler::Matrix;
+    using LocalMatrix = Matrix::block_type;
+    using Vector = MyAssembler::Vector;
+    using LocalVector = Vector::block_type;
+    using ScalarMatrix = MyAssembler::ScalarMatrix;
+    using ScalarVector = MyAssembler::ScalarVector;
 
     MyAssembler myAssembler(leafView);