some white space changes

[[Imported from SVN: r7352]]

dune/solvers/iterationsteps/multigridstep.cc

@@ -58,8 +58,8 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::preprocess()
     // /////////////////////////////////////////////////////
     //   Assemble the complete hierarchy of matrices
     // /////////////////////////////////////////////////////
-    for (int i=this->numLevels_-2; i>=0; i--) {
-
+    for (int i=this->numLevels_-2; i>=0; i--)
+    {
         this->mat_[i] = Dune::shared_ptr<MatrixType>(new MatrixType);
 
         // Compute which entries are present in the (sparse) coarse grid stiffness
@@ -133,13 +133,11 @@ else {
 template<class MatrixType, class VectorType, class BitVectorType>
 void MultigridStep<MatrixType, VectorType, BitVectorType>::nestedIteration()
 {
-
-    for (level_ = 0; level_<numLevels_; level_++) {
-    
+    for (level_ = 0; level_<numLevels_; level_++)
+    {
         iterate();
 
         mgTransfer_[level_]->prolong(x_[level_], x_[level_+1]);
-
     }
 
     iterate();
@@ -149,7 +147,6 @@ void MultigridStep<MatrixType, VectorType, BitVectorType>::nestedIteration()
 template<class MatrixType, class VectorType, class BitVectorType>
 void MultigridStep<MatrixType, VectorType, BitVectorType>::postprocess()
 {
-
 }