MueLu_AmalgamationFactory_decl.hpp

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#ifndef MUELU_AMALGAMATIONFACTORY_DECL_HPP
#define MUELU_AMALGAMATIONFACTORY_DECL_HPP
 
#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_Map_fwd.hpp>
 
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_AmalgamationInfo_fwd.hpp"
 
#include "MueLu_Level_fwd.hpp"
#include "MueLu_Exceptions.hpp"
 
namespace MueLu {
 
  template <class Scalar = double, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class AmalgamationFactory : public SingleLevelFactoryBase {
#undef MUELU_AMALGAMATIONFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"
 
  public:
 
 
 
    AmalgamationFactory() { }
 
    virtual ~AmalgamationFactory() { }
 
    RCP<const ParameterList> GetValidParameterList() const;
 
 
 
 
    void DeclareInput(Level &currentLevel) const;
 
 
    void Build(Level &currentLevel) const; // Build
 
    // @param gid (GlobalOrdinal): input global id (row gid or column gid)
    // @param blockSize (LocalOrdinal): block size (needed for constant block size)
    // @param offset (GlobalOrdinal): global offset for dofs (stored in strided map, default = 0)
    // @param indexBase (GlobalOrdinal): indexBase for DOF map (and node map, default = 0)
    static const GlobalOrdinal DOFGid2NodeId(GlobalOrdinal gid, LocalOrdinal blockSize, const GlobalOrdinal offset /*= 0*/, const GlobalOrdinal indexBase/* = 0*/);
 
    // @param sourceMap (const Map&): source map with dofs which shall be amalgamated to a node map
    // @param A (const Matrix&): operator A (matrix) with striding information (if available)
    // @param amalgamatedMap (const Map&): amalgamated node based map
    // @param translation (Array<LO>&): array storing local node ids given local dof ids (needed in CoalesceDropFactory)
    static void AmalgamateMap(const Map& sourceMap, const Matrix& A, RCP<const Map>& amalgamatedMap, Array<LO>& translation); // const;
 
 
  }; //class SubBlockUnAmalgamationFactory
 
} //namespace MueLu
 
#define MUELU_AMALGAMATIONFACTORY_SHORT
#endif // MUELU_AMALGAMATIONFACTORY_DECL_HPP