laplacian.h

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// -*- C++ -*-
/*! \file
 *  \brief Laplacian smearing of a source
 */
 
#ifndef __laplacian_h__
#define __laplacian_h__
 
namespace Chroma 
{
 
  //! Do a covariant Gaussian smearing of a lattice field
  /*!
   * \ingroup smear
   *
   * Arguments:
   *
   *  \param u        gauge field ( Read )
   *  \param chi      lattice color std::vector field ( Modify )
   *  \param j_decay  direction of decay ( Read )
   *  \param power    number of times to apply laplacian ( Read )
   */
  void laplacian(const multi1d<LatticeColorMatrix>& u, 
                 LatticeColorVector& chi, 
                 int j_decay,
                 int power);
 
 
  //! Do a covariant Gaussian smearing of a lattice field
  /*!
   * \ingroup smear
   *
   * Arguments:
   *
   *  \param u        gauge field ( Read )
   *  \param chi      lattice propagator field ( Modify )
   *  \param j_decay  direction of decay ( Read )
   *  \param power    number of times to apply laplacian ( Read )
   */
  void laplacian(const multi1d<LatticeColorMatrix>& u, 
                 LatticePropagator& chi, 
                 int j_decay,
                 int power);
 
}  // end namespace Chroma
 
#endif