hyp_smear.h

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// -*- C++ -*-
/*! \file
 *  \brief Hyp smear a gauge field
 */
 
#ifndef __hyp_smear_h__
#define __hyp_smear_h__
 
namespace Chroma 
{ 
  //! Construct the "hyp-smeared" links of Anna Hasenfratz, with staple coefficients alpha1, alpha2 and alpha3
  /*!
   * \ingroup smear
   *
   * Arguments:
   *
   *  \param u          gauge field (Read)
   *  \param u_hyp      "hyp-smeared" gauge field (Write)
   *  \param alpha1     staple coefficient "1" (Read)
   *  \param alpha2     staple coefficient "2" (Read)
   *  \param alpha3     staple coefficient "3" (Read)
   *  \param BlkAccu    accuracy in SU(Nc) projection (Read)
   *  \param BlkMax     max number of iterations in SU(Nc) projection (Read)
   */
 
  void Hyp_Smear(const multi1d<LatticeColorMatrix>& u,
                 multi1d<LatticeColorMatrix>& u_hyp,
                 const Real& alpha1, const Real& alpha2, const Real& alpha3,
                 const Real& BlkAccu, int BlkMax);
 
}
 
#endif