/usr/include/trilinos/MueLu_HierarchyFactory.hpp is in libtrilinos-muelu-dev 12.4.2-2.
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//
// ***********************************************************************
//
// MueLu: A package for multigrid based preconditioning
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// Questions? Contact
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// Andrey Prokopenko (aprokop@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef MUELU_HIERARCHYFACTORY_HPP
#define MUELU_HIERARCHYFACTORY_HPP
#include "Teuchos_RCP.hpp"
#include "MueLu_ConfigDefs.hpp"
#include "MueLu_BaseClass.hpp"
#include "MueLu_Hierarchy_fwd.hpp"
namespace MueLu {
//!
template <class Scalar = double, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
class HierarchyFactory : public BaseClass {
#undef MUELU_HIERARCHYFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"
public:
//@{ Constructors/Destructors.
//! Destructor.
virtual ~HierarchyFactory() { }
//@}
//! Create an empty Hierarchy object
// Note: This function is not very useful at the moment as MueLu only have on Hierarchy class.
// In the future, we might have an abstract Hierarchy class and several derived Hierarchy classes.
// Using this function will then be the recommended way to generate a Hierarchy.
//
// This method is called Create() instead of Build(), because it return an non-initialized
// object (ie: MG setup is not done).
// Build() function in MueLu returns initialized objects.
virtual RCP<Hierarchy> CreateHierarchy() const = 0;
//! Setup Hierarchy object
virtual void SetupHierarchy(Hierarchy & H) const = 0;
}; // class HierarchyFactoryBase
} // namespace MueLu
#define MUELU_HIERARCHYFACTORY_SHORT
#endif //ifndef MUELU_HIERARCHYFACTORY_HPP
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