fixup! fix dirichlet handling of initial guess

src/hyteg/ginkgo/GinkgoDirichletHandling.hpp

 #pragma once
 
-#include <vector>
 #include <optional>
 #include <utility>
+#include <vector>
 
-#include "ginkgo/core/matrix/csr.hpp"
-#include "ginkgo/core/matrix/dense.hpp"
 #include "ginkgo/core/distributed/matrix.hpp"
-#include "ginkgo/core/distributed/vector.hpp"
 #include "ginkgo/core/distributed/partition.hpp"
+#include "ginkgo/core/distributed/vector.hpp"
+#include "ginkgo/core/matrix/csr.hpp"
+#include "ginkgo/core/matrix/dense.hpp"
 
 namespace hyteg {
 
@@ -23,7 +23,7 @@ class DirichletHandlerBase
                          std::shared_ptr< mtx > matrix,
                          bool                   doUpdate = true )
    : bcIndices_( std::move( bcIndices ) )
-   , dir_vals_( dir_vals )
+   , dir_vals_( gko::clone( dir_vals ) )
    , matrix_( std::move( matrix ) )
    , doUpdate_( doUpdate )
    {}
@@ -38,7 +38,7 @@ class DirichletHandlerBase
 
  protected:
    std::vector< int32_t > bcIndices_;
-   const vec*             dir_vals_;
+   std::unique_ptr< vec > dir_vals_;
 
    std::shared_ptr< mtx > matrix_;
    bool                   doUpdate_;
@@ -210,12 +210,9 @@ class ZeroRowsDirichletHandler : public DirichletHandlerBase
 
    vec* get_initial_guess( const vec* cur_initial_guess ) override
    {
-      auto rank = this->matrix_->get_communicator()->rank();
-      auto part = this->matrix_->get_partition();
-
       orig_initial_guess_ = cur_initial_guess;
       z_                  = gko::clone( cur_initial_guess );
-      z_->fill(gko::zero<valueType >());
+      z_->fill( gko::zero< valueType >() );
       return z_.get();
    }
 
@@ -232,4 +229,4 @@ enum class constraints
    zero_row
 };
 
-}
\ No newline at end of file
+} // namespace hyteg
\ No newline at end of file