stag_propShift_s.h

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#ifndef STAG_PROPSHIFT_S_H
#define STAG_PROPSHIFT_S_H
 
namespace Chroma {
 
/* Forward declarations for the shifting of the staggered propagator
 * index to co-incide with the corect delta for meson spectroscopy
 */
 
#include "chromabase.h"
 
int deltaToPropIndex(multi1d<int>& delta);
void PropIndexTodelta(int src_index, multi1d<int>& delta) ;
 
LatticeStaggeredPropagator shiftDeltaProp(multi1d<int>& delta, 
                                          const LatticeStaggeredPropagator& src);
 
LatticeStaggeredPropagator 
            shiftDeltaPropCov(multi1d<int>& delta,
                           const LatticeStaggeredPropagator& src,
                              multi1d<LatticeColorMatrix> u, bool sym_flag) ; 
 
LatticeStaggeredFermion shiftDeltaPropCov(multi1d<int>& delta,
                                          const LatticeStaggeredFermion& src,
                                          multi1d<LatticeColorMatrix> u, bool sym_flag) ;
 
 
 
LatticeStaggeredPropagator shiftDeltaProp(multi1d<int>& delta,
                                 const LatticeStaggeredPropagator& src, 
                                          bool sym_flag) ;
 
 
enum Stag_shift_option {
   NON_GAUGE_INVAR  = 0,
   GAUGE_INVAR ,
   SYM_NON_GAUGE_INVAR , 
   SYM_GAUGE_INVAR
};
 
 
}  // end namespace Chroma
 
#endif