inv_rel_gmresr_cg.h

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// -*- C++ -*-
/*! \file
 *  \brief Relaxed GMRESR algorithm of the Wuppertal Group
 */
 
#ifndef __inv_rel_gmresr_cg__
#define __inv_rel_gmresr_cg__
 
#include "linearop.h"
 
namespace Chroma {
 
template<typename T>
void InvRelGMRESR_CG(const LinearOperator<T>& PrecMM,
                     const LinearOperator<T>& UnprecMM,
                     const T& b,
                     T& x,
                     const Real& epsilon, 
                     const Real& epsilon_prec,
                     int MaxGMRESR, 
                     int MaxGMRESRPrec,
                     int& n_count);
 
}  // end namespace Chroma
 
#endif