From eec1d50b0f48b469d392b089954fd0ce20263c04 Mon Sep 17 00:00:00 2001 From: Alexander Schmidt Date: Tue, 11 Feb 2014 22:57:01 +0100 Subject: [PATCH] Implemented measurement of mass correlators. --- u1casc-ordinary/obs_corr.hpp | 185 ++++++++++++++++++++++++++++ u1casc-ordinary/u1casc-ordinary.cpp | 5 + 2 files changed, 190 insertions(+) create mode 100644 u1casc-ordinary/obs_corr.hpp diff --git a/u1casc-ordinary/obs_corr.hpp b/u1casc-ordinary/obs_corr.hpp new file mode 100644 index 0000000..548d4ef --- /dev/null +++ b/u1casc-ordinary/obs_corr.hpp @@ -0,0 +1,185 @@ +#ifndef OBS_CORR_HPP +#define OBS_CORR_HPP + +#include "latlib/o815/o815.h" + +#include "latlib/writeout.h" + +#include "latlib/obstat.hpp" + +#include +#include + +#include + +#define U1 0 +#define U2 1 +#define F1 2 +#define F2 3 + +using namespace std; + +class obs_corr : public o815::obs { + +public: + obs_corr(o815 *_O815); + +private: + void _start(); + void _meas(bool loadedobs, const int& nthmeas); + void _finish(); + + void corrCompute(); + static complex effMass(vector < complex > *preCalculated, vector< complex > *excludedMeas, int nmeas, void *para); + static void preEffMass(vector< vector < complex > > *allVals, vector < complex > *preCalculated, void *para); + + sim *Sim; + obstat< complex, complex > oC[4]; + obstat< complex, complex > oD[4]; + + int spatialV; + + complex *OM[4]; +}; + +obs_corr::obs_corr(o815 *_O815) : o815::obs("corr", + _O815->paraQ->getParaNames() + + "tsep" + ":u1_real:u1_imag:u1_abs:u1_effmass:u1_effmass_err" + ":u2_real:u2_imag:u2_abs:u2_effmass:u2_effmass_err" + ":f1_real:f1_imag:f1_abs:f1_effmass:f1_effmass_err" + ":f2_real:f2_imag:f2_abs:f2_effmass:f2_effmass_err", + _O815, 4*sizeof(complex)*(_O815->comargs.lsize[1]/2+1) ) { + for (int ivar = 0; ivar<4; ivar++) + OM[ivar] = (complex*)( obsMem + ivar*sizeof(complex)*( _O815->comargs.lsize[1]/2 + 1 ) ); + + Sim = (sim*)O815->Sim; + spatialV = O815->comargs.lsize[0] * O815->comargs.lsize[0] * O815->comargs.lsize[0]; +} + +void obs_corr::_start() { + //*out << "OBS_test: start" << endl; +}; + +void obs_corr::_meas(bool loadedobs, const int& nthmeas) { + if (!loadedobs) + corrCompute(); + + oC[U1].addMeas( OM[U1], O815->comargs.lsize[1]/2+1 ); + oC[U2].addMeas( OM[U2], O815->comargs.lsize[1]/2+1 ); + oC[F1].addMeas( OM[F1], O815->comargs.lsize[1]/2+1 ); + oC[F2].addMeas( OM[F2], O815->comargs.lsize[1]/2+1 ); +}; + +void obs_corr::_finish() { + int compid_corr[O815->comargs.lsize[1]/2][4]; + int compid_effmass[O815->comargs.lsize[1]/2-1][4]; + + for (int itsep = 0; itsep < O815->comargs.lsize[1]/2; itsep++) + for (int icorr = 0; icorr < 4; icorr++) + compid_corr[itsep][icorr] = oC[icorr].computeEasy(itsep); + + + for (int icorr = 0; icorr < 4; icorr++) { + for (int itsep = 0; itsep < O815->comargs.lsize[1]/2-1; itsep++) { + pair effmasspass( itsep, O815->comargs.lsize[1]/2 ); + compid_effmass[itsep][icorr] = oC[icorr].computeJack(obs_corr::preEffMass, obs_corr::effMass, &effmasspass); + } + } + + for (int itsep = 0; itsep < O815->comargs.lsize[1]/2; itsep++) { + *out << O815->paraQ->getParaVals(); + *out << "\t" << itsep; + for (int icorr = 0; icorr < 4; icorr++) { + *out << "\t" << real( oC[icorr].getMean(compid_corr[itsep][icorr]) ) + << "\t" << imag( oC[icorr].getMean(compid_corr[itsep][icorr]) ) + << "\t" << abs ( oC[icorr].getMean(compid_corr[itsep][icorr]) ); + + + if ( itsep < O815->comargs.lsize[1]/2-1 ) + *out << "\t" << real( oC[icorr].getMean(compid_effmass[itsep][icorr]) ) + << "\t" << real( oC[icorr].getErr (compid_effmass[itsep][icorr]) ); + else + *out << "\t" << NAN << "\t" << NAN; + } + *out << endl; + } + + for (int icorr = 0; icorr < 4; icorr++) { + oC[icorr].reset(); + oD[icorr].reset(); + } +}; + +void obs_corr::corrCompute() +{ + complex phislice[4][O815->comargs.lsize[1]]; + + OM[U1][O815->comargs.lsize[1]/2] = 0; + OM[U2][O815->comargs.lsize[1]/2] = 0; + OM[F1][O815->comargs.lsize[1]/2] = 0; + OM[F2][O815->comargs.lsize[1]/2] = 0; + + for (int it = 0; it < O815->comargs.lsize[1]; it++) { + phislice[U1][it] = 0; + phislice[U2][it] = 0; + phislice[F1][it] = 0; + phislice[F2][it] = 0; + + for (int ix = 0; ix < spatialV; ix++) { + phislice[U1][it] += conj(Sim->phi[ 0*Sim->lsize4 + it*spatialV + ix ]) * Sim->phi[ 0*Sim->lsize4 + it*spatialV + ix ]; + phislice[U2][it] += conj(Sim->phi[ 1*Sim->lsize4 + it*spatialV + ix ]) * Sim->phi[ 1*Sim->lsize4 + it*spatialV + ix ]; + phislice[F1][it] += Sim->phi[ 0*Sim->lsize4 + it*spatialV + ix ]; + phislice[F2][it] += Sim->phi[ 1*Sim->lsize4 + it*spatialV + ix ]; + } + phislice[U1][it] /= spatialV; + phislice[U2][it] /= spatialV; + phislice[F1][it] /= spatialV; + phislice[F2][it] /= spatialV; + + OM[U1][O815->comargs.lsize[1]/2] += phislice[U1][it]; + OM[U2][O815->comargs.lsize[1]/2] += phislice[U2][it]; + OM[F1][O815->comargs.lsize[1]/2] += phislice[F1][it]; + OM[F2][O815->comargs.lsize[1]/2] += phislice[F2][it]; + } + + for (int icorr = 0; icorr < 4; icorr++) { + for (int itsep = 0; itsep < O815->comargs.lsize[1]/2; itsep++) { + OM[icorr][itsep] = 0; + + for (int it = 0; it < O815->comargs.lsize[1]; it++) + OM[icorr][itsep] += phislice[icorr][ (it+itsep)%O815->comargs.lsize[1] ] * conj( phislice[icorr][it] ); + + OM[icorr][itsep] /= O815->comargs.lsize[1]; + } + + OM[icorr][O815->comargs.lsize[1]/2] /= O815->comargs.lsize[1]; + } +} + +void obs_corr::preEffMass(vector< vector < complex > > *allVals, vector < complex > *preCalculated, void *para) { + pair *myparas = (pair*)para; + + preCalculated->push_back(0); + preCalculated->push_back(0); + preCalculated->push_back(0); + + for(vector< vector< complex > >::iterator valIt = allVals->begin(); valIt != allVals->end(); ++valIt) { + (*preCalculated)[0] += (*valIt)[myparas->first]; + (*preCalculated)[1] += (*valIt)[myparas->first+1]; + (*preCalculated)[2] += (*valIt)[myparas->second]; + } +} + +complex obs_corr::effMass(vector < complex > *preCalculated, vector< complex > *excludedMeas, int nmeas, void *para) { + pair *myparas = (pair*)para; + + double disconnected = norm( ( (*preCalculated)[2] - (*excludedMeas)[myparas->second] ) / (complex)(nmeas-1) ); + + return std::log( abs( + ( ( (*preCalculated)[0] - (*excludedMeas)[myparas->first] ) / (complex)(nmeas-1) - disconnected ) / + ( ( (*preCalculated)[1] - (*excludedMeas)[myparas->first+1] ) / (complex)(nmeas-1) - disconnected ) + ) ); +} + +#endif diff --git a/u1casc-ordinary/u1casc-ordinary.cpp b/u1casc-ordinary/u1casc-ordinary.cpp index 554f7e4..63ef33b 100644 --- a/u1casc-ordinary/u1casc-ordinary.cpp +++ b/u1casc-ordinary/u1casc-ordinary.cpp @@ -12,6 +12,7 @@ sim *Sim; #include "obs_phi2.hpp" #include "obs_plaq.hpp" +#include "obs_corr.hpp" o815::comoption specOps[] = { { "kappaone", required_argument, NULL, 'r', "set inverse mass kappa_1", "min:max:inc" }, @@ -70,6 +71,10 @@ void parseLonelyArgs() *O815->out->log << "MASTER: registered observable: plaq" << endl << flush; O815->observables.push_back(new obs_plaq(O815)); } + else if ( strcmp(*lonit, "corr") == 0 ) { + *O815->out->log << "MASTER: registered observable: corr" << endl << flush; + O815->observables.push_back(new obs_corr(O815)); + } } } -- 2.39.5