minvcg.h

Go to the documentation of this file.

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