some Petsc-parameters now directly related to the solvers

AMDiS/src/parallel/PetscSolver.cc

@@ -40,7 +40,7 @@ namespace AMDiS { namespace Parallel {
       handleDirichletRows(true)
   {
     std::string tmp("");
-    Parameters::get(name + "->solver->petsc prefix", tmp);
+    Parameters::get(name + "->petsc prefix", tmp);
     setKspPrefix(tmp); 
     
     std::string kspStr = "";
@@ -51,9 +51,9 @@ namespace AMDiS { namespace Parallel {
     if (kspStr != "")
       PetscOptionsInsertString(kspStr.c_str());
 
-    Parameters::get("parallel->remove rhs null space", removeRhsNullspace);
-    Parameters::get("parallel->has constant null space", hasConstantNullspace);
-    Parameters::get("parallel->nullspace->const in comp", 
+    Parameters::get(name + "->remove rhs null space", removeRhsNullspace);
+    Parameters::get(name + "->has constant null space", hasConstantNullspace);
+    Parameters::get(name + "->nullspace->const in comp", 
 		    constNullspaceComponent);
   }
 

AMDiS/src/parallel/PetscSolverGlobalMatrix.cc

@@ -78,7 +78,7 @@ namespace AMDiS { namespace Parallel {
       PetscOptionsInsertString(("-" + kspPrefix + "ksp_monitor").c_str());
     
     if (!matSolverPackage) {
-      Parameters::get("parallel->use zero start vector", zeroStartVector);
+      Parameters::get(name + "->use zero start vector", zeroStartVector);
     }
     Parameters::get("parallel->print matrix info", printMatInfo);
   }