scalar_local_s.h

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#ifndef SCALAR_LOCAL_S_H
#define SCALAR_LOCAL_S_H
 
#include "meas/hadron/hadron_corr_s.h"
#include "meas/hadron/stag_propShift_s.h"
 
namespace Chroma {
 
  class staggered_hadron_corr;
 
  class staggered_local_scalar : public staggered_hadron_corr {
 
  public:
    void compute(LatticeStaggeredPropagator& quark_prop_A,
                 LatticeStaggeredPropagator& quark_prop_B, int j_decay);
 
    void compute(multi1d<LatticeStaggeredPropagator>& quark_props, int j_decay) {
      if (quark_props.size() != 2) {
        QDPIO::cerr << "staggered_local_scalar::compute(multi1d<LatticeStaggeredPropagator>&, int) : Array arg must contain 2 props\n";
        QDP_abort(1);
      } else {
        compute(quark_props[0], quark_props[1], j_decay);
      }
    }
 
    staggered_local_scalar(int t_len, const multi1d<LatticeColorMatrix>& u_in,
                           Stag_shift_option type_of_shift_in = SYM_GAUGE_INVAR)
      : staggered_hadron_corr(t_len, no_pions, u_in, type_of_shift_in)
      {
        outer_tag = "Scalar";
        inner_tag = "Sc";
 
        tag_names.resize(no_pions);
        for (int i=0;i<no_pions;++i) {
          std::ostringstream tag;
          tag << "re_sc" << i;
          tag_names[i] = tag.str();
        }
      }
 
    virtual ~staggered_local_scalar() {};
 
  protected:
    
  private:
    static const int no_pions = 1;
 
  };
 
} //end namespace
 
#endif