obs_phi2_hist.hpp

   1 #ifndef OBS_PHI2_HIST_HPP
   2 #define OBS_PHI2_HIST_HPP
   3
   4 #include "latlib/o815/o815.h"
   5
   6 #include "latlib/writeout.h"
   7
   8 #include "latlib/obstat.hpp"
   9
  10 #include <iostream>
  11
  12 using namespace std;
  13
  14 class obs_phi2_hist : public o815::obs {
  15
  16 public:
  17   struct obsmem {
  18     double phi2;
  19   };
  20   obs_phi2_hist(o815 *_O815);
  21
  22 private:
  23   void _start() {}
  24   void _meas(bool loadedobs, const int& nthmeas);
  25   void _finish() {}
  26   obsmem* OM;
  27   void phi2Compute();
  28   sim *Sim;
  29 };
  30
  31 obs_phi2_hist::obs_phi2_hist(o815 *_O815) : o815::obs("phi2",
  32                                                       _O815->paraQ->getParaNames() + "nthstep:phi2",
  33                                                       _O815, sizeof(obsmem), "_hist") {
  34   OM = (obsmem*)obsMem;
  35   Sim = (sim*)O815->Sim;
  36 }
  37
  38 void obs_phi2_hist::_meas(bool loadedobs, const int& nthmeas) {
  39   if (!loadedobs)
  40     phi2Compute();
  41
  42   *out << O815->paraQ->getParaVals();
  43   *out << "\t" << ( Sim->nequi + (nthmeas+1)*Sim->nskip );
  44   *out << "\t" << OM->phi2 << endl;
  45 };
  46
  47 void obs_phi2_hist::phi2Compute()
  48 {
  49   OM->phi2 = 0;
  50
  51   for (int ix = 0; ix < Sim->LSIZE2; ix++)
  52     OM->phi2 += norm( Sim->conf[ix].phi );
  53
  54   OM->phi2 /= Sim->LSIZE2;
  55 }
  56
  57 #endif