Merge branch 'petscSetUpPC' into 'master'

add pc setup in solverConfig

See merge request amdis/amdis!182

amdis/linearalgebra/petsc/SolverConfig.cpp

@@ -76,6 +76,7 @@ void configDirectSolver(KSP ksp, std::string prefix)
   PC pc;
   KSPGetPC(ksp, &pc);
   PCSetType(pc, PCLU);
+  PCSetUp(pc);
   auto matSolverType = Parameters::get<std::string>(prefix + "->mat solver");
   if (matSolverType)
     PETSc::PCFactorSetMatSolverType(pc, matSolverType.value().c_str());
@@ -101,6 +102,7 @@ void configPC(PC pc, std::string prefix)
   if (pcType) {
     pcTypeStr = pcType.value();
     PCSetType(pc, pcTypeStr.c_str());
+    PCSetUp(pc);
   }
 
   if (pcTypeStr == "lu") {