/usr/include/trilinos/MueLu_NoFactory.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
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact
// Jonathan Hu (jhu@sandia.gov)
// Andrey Prokopenko (aprokop@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
//
// ***********************************************************************
//
// @HEADER
#ifndef MUELU_NOFACTORY_HPP
#define MUELU_NOFACTORY_HPP
#include <algorithm> // for swap
#include "Teuchos_RCPDecl.hpp" // for RCP
#include "Teuchos_RCP.hpp" // for RCP::RCP<T>, RCP::operator=, etc
#include "MueLu_config.hpp" // for HAVE_MUELU_DEBUG
#include "MueLu_Exceptions.hpp"
#include "MueLu_FactoryBase.hpp"
#include "MueLu_Level_fwd.hpp"
namespace MueLu {
/*!
@class NoFactory class.
@brief NoFactory that is used for data stored in level class for that no generating factory is available/necessary.
This should be used as the "generating" factory for user-data. Uses Singleton pattern.
*/
class NoFactory : public FactoryBase {
//! Constructor.
NoFactory() { }
public:
//! Destructor.
virtual ~NoFactory() { }
//! Implementation of FactoryBase interface
//@{
//!
void CallBuild(Level& requestedLevel) const;
//!
void CallDeclareInput(Level& requestedLevel) const { }
//@}
//! Static Get() functions
//@{
//!
static const RCP<const NoFactory> getRCP() {
if (noFactory_.is_null())
noFactory_ = rcp(new NoFactory());
return noFactory_;
}
//!
static const NoFactory* get();
//@}
#ifdef HAVE_MUELU_DEBUG
void ResetDebugData() const { }
#endif
private:
static RCP<const NoFactory> noFactory_; // static NoFactory instance for user defined "factories"
}; // class NoFactory
} // namespace MueLu
#endif // MUELU_NOFACTORY_HPP
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