minvcg_array.h

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// -*- C++ -*-
/*! \file
 *  \brief Multishift Conjugate-Gradient algorithm for a Linear Operator
 */
 
#ifndef __minvcg_array_h__
#define __minvcg_array_h__
 
#include "linearop.h"
 
namespace Chroma 
{
 
  /*! \ingroup invert */
  template<typename T>
  void MInvCG(const LinearOperatorArray<T>& A,
              const multi1d<T>& chi, 
              multi1d< multi1d<T> >& psi,
              const multi1d<Real>& shifts, 
              const multi1d<Real>& RsdCG,
              int MaxCG,
              int &n_count);
 
 
  /*! \ingroup invert */
  template<typename T, typename P, typename Q>
  void MInvCG(const DiffLinearOperatorArray<T,P,Q>& A,
              const multi1d<T>& chi, 
              multi1d< multi1d<T> >& psi,
              const multi1d<Real>& shifts, 
              const multi1d<Real>& RsdCG,
              int MaxCG,
              int &n_count);
 
}  // end namespace Chroma
 
 
#endif