mg_proto_helpers.h

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/*
 * mg_proto_helpers.h
 *
 *  Created on: Mar 24, 2017
 *      Author: bjoo
 */
 
#ifndef LIB_ACTIONS_FERM_INVERT_MG_PROTO_MG_PROTO_HELPERS_H_
#define LIB_ACTIONS_FERM_INVERT_MG_PROTO_MG_PROTO_HELPERS_H_
 
#include <memory>
#include <string>
#include "lattice/fine_qdpxx/mg_level_qdpxx.h"
#include "lattice/fine_qdpxx/vcycle_recursive_qdpxx.h"
#include "actions/ferm/invert/mg_proto/mgproto_solver_params.h"
#include "lattice/fine_qdpxx/wilson_clover_linear_operator.h"
 
namespace Chroma {
 
namespace MGProtoHelpers {
 
struct MGPreconditioner
{
        std::shared_ptr<MG::MultigridLevels> mg_levels;
        std::shared_ptr<MG::VCycleRecursiveQDPXX> v_cycle;
};
 
// for testing
std::shared_ptr<const MG::QDPWilsonCloverLinearOperator>
createFineLinOp( const MGProtoSolverParams& params, const multi1d<LatticeColorMatrix>& u);
 
void createMGPreconditioner(const MGProtoSolverParams& params, const multi1d<LatticeColorMatrix>& u);
void deleteMGPreconditioner(const std::string& subspaceID);
std::shared_ptr<MGPreconditioner> getMGPreconditioner(const std::string& subspaceId);
 
}  // Namespace MGProtoHelpers
 
 
} // Namespace Chroma
 
 
 
 
 
 
#endif /* LIB_ACTIONS_FERM_INVERT_MG_PROTO_MG_PROTO_HELPERS_H_ */