Reset vtu filewrite precision to 5.

AMDiS/src/VtkWriter.hh

@@ -127,7 +127,7 @@ namespace AMDiS {
     DOFVector< std::list<WorldVector<double> > >::Iterator coordIt(dofCoords, USED_DOFS);
 
     file << std::scientific;
-    file.precision(15);
+    file.precision(5);
          
     // Write the values for all vertex DOFs.
     for (intPointIt.reset(), valueIt.reset(), coordIt.reset();