pion_sing_s.h

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#ifndef PION_SING_S_H
#define PION_SING_S_H
 
#include "chromabase.h"
#include "meas/hadron/hadron_corr_s.h"
 
namespace Chroma {
 
 
  class staggered_hadron_corr ; 
 
  class staggered_pion_singlet  : public staggered_hadron_corr
  {
 
 
  public :
 
    void compute(
      LatticeStaggeredPropagator local_quark_prop,
      LatticeStaggeredPropagator four_shift_quark_prop,
      int j_decay) ;
 
    // the fuzz sink version
    void compute(
                 LatticeStaggeredPropagator local_quark_prop,
                 LatticeStaggeredPropagator four_shift_quark_prop,
                 int j_decay, const multi1d<LatticeColorMatrix> & u_smr,
                 int fuzz_width);
 
    void
    compute(multi1d<LatticeStaggeredPropagator>& quark_props,
            int j_decay) { } 
 
  
 
    staggered_pion_singlet(int t_len, 
                           const multi1d<LatticeColorMatrix> & uin,
                           Stag_shift_option type_of_shift_in = SYM_GAUGE_INVAR)  
      : staggered_hadron_corr(t_len,no_pion_sings,uin,type_of_shift_in)
      {
        outer_tag = "SingletPseudoscalar"  ; 
        inner_tag = "Pi" ; 
 
        tag_names.resize(no_pion_sings) ; 
 
      }
 
    virtual ~staggered_pion_singlet()
      {
      }
 
 
  protected:
 
  private :
    static const int no_pion_sings = 1 ; 
 
 
  } ; 
 
}  // end namespace Chroma
 
#endif