unprec_two_flavor_ratio_conv_conv_monomial_w.cc

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/*! @file
 * @brief Two-flavor collection of unpreconditioned 4D ferm monomials
 */
 
#include "chromabase.h"
#include "update/molecdyn/monomial/unprec_two_flavor_ratio_conv_conv_monomial_w.h"
#include "update/molecdyn/monomial/monomial_factory.h"
 
#include "actions/ferm/fermacts/fermact_factory_w.h"
#include "actions/ferm/fermacts/fermacts_aggregate_w.h"
 
#include "update/molecdyn/predictor/chrono_predictor_factory.h"
#include "update/molecdyn/predictor/zero_guess_predictor.h"
 
 
namespace Chroma 
{ 
 
  namespace UnprecTwoFlavorRatioConvConvWilsonTypeFermMonomialEnv 
  {
    namespace
    {
      //! Callback function for the factory
      Monomial< multi1d<LatticeColorMatrix>,
                multi1d<LatticeColorMatrix> >* createMonomial(XMLReader& xml, const std::string& path) 
      {
        return new UnprecTwoFlavorRatioConvConvWilsonTypeFermMonomial(
          TwoFlavorRatioConvConvWilsonTypeFermMonomialParams(xml, path));
      }
 
      //! Local registration flag
      bool registered = false;
    }
 
    const std::string name("TWO_FLAVOR_UNPREC_RATIO_CONV_CONV_FERM_MONOMIAL");
 
    //! Register all the factories
    bool registerAll() 
    {
      bool success = true; 
      if (! registered)
      {
        success &= WilsonTypeFermActs4DEnv::registerAll();
        success &= TheMonomialFactory::Instance().registerObject(name, createMonomial);
        registered = true;
      }
      return success;
    }
  } //end namespace Unprec TwoFlavorRatioConvConvWilsonFermMonomialEnv
 
 
  // Constructor
  UnprecTwoFlavorRatioConvConvWilsonTypeFermMonomial::UnprecTwoFlavorRatioConvConvWilsonTypeFermMonomial(
    const TwoFlavorRatioConvConvWilsonTypeFermMonomialParams& param) 
  {
    START_CODE();
 
    QDPIO::cout << "Constructor: " << __func__ << std::endl;
 
    if( param.numer.invParam.id == "NULL" ) {
      QDPIO::cerr << "Numerator inverter params are NULL" << std::endl;
      QDP_abort(1);
    }
    
    invParam_num = param.numer.invParam;
 
    if( param.denom.invParam.id == "NULL" ) {
      QDPIO::cerr << "WARNING: No inverter params provided for denominator." << std::endl;
      QDPIO::cerr << "WARNING: Assuming same as for numerator " << std::endl;
      invParam_den = param.numer.invParam;
    }
    else { 
      invParam_den = param.denom.invParam;
    }
 
 
    //*********************************************************************
    // Fermion action
    {
      std::istringstream is(param.numer.fermact.xml);
      XMLReader fermact_reader(is);
      QDPIO::cout << "Construct numer fermion action= " << param.numer.fermact.id << std::endl;
 
      WilsonTypeFermAct<T,P,Q>* tmp_act = 
        TheWilsonTypeFermActFactory::Instance().createObject(param.numer.fermact.id, 
                                                             fermact_reader, 
                                                             param.numer.fermact.path);
 
      UnprecWilsonTypeFermAct<T,P,Q>* downcast=dynamic_cast<UnprecWilsonTypeFermAct<T,P,Q>*>(tmp_act);
 
      // Check success of the downcast 
      if( downcast == 0x0 ) 
      {
        QDPIO::cerr << __func__ << ": unable to downcast FermAct to UnprecWilsonTypeFermAct" << std::endl;
        QDP_abort(1);
      }
 
      fermact_num = downcast;    
    }
 
    //*********************************************************************
    // Fermion action
    {
      std::istringstream is(param.denom.fermact.xml);
      XMLReader fermact_reader(is);
      QDPIO::cout << "Construct denom fermion action= " << param.denom.fermact.id << std::endl;
 
      WilsonTypeFermAct<T,P,Q>* tmp_act = 
        TheWilsonTypeFermActFactory::Instance().createObject(param.denom.fermact.id, 
                                                             fermact_reader, 
                                                             param.denom.fermact.path);
 
      UnprecWilsonTypeFermAct<T,P,Q>* downcast=dynamic_cast<UnprecWilsonTypeFermAct<T,P,Q>*>(tmp_act);
 
      // Check success of the downcast 
      if( downcast == 0x0 ) 
      {
        QDPIO::cerr << __func__ << ": unable to downcast FermAct to UnprecWilsonTypeFermAct" << std::endl;
        QDP_abort(1);
      }
 
      fermact_den = downcast;    
    }
    //*********************************************************************
 
    //*********************************************************************
    // Get Chronological predictor
    {
      AbsChronologicalPredictor4D<LatticeFermion>* tmp = 0x0;
      if( param.predictor.xml == "" ) {
        // No predictor specified use zero guess
        tmp = new ZeroGuess4DChronoPredictor();
      }
      else 
      {
        try 
        { 
          std::istringstream chrono_is(param.predictor.xml);
          XMLReader chrono_xml(chrono_is);
          tmp = The4DChronologicalPredictorFactory::Instance().createObject(param.predictor.id, 
                                                                            chrono_xml, 
                                                                            param.predictor.path);
        }
        catch(const std::string& e ) { 
          QDPIO::cerr << "Caught Exception Reading XML: " << e << std::endl;
          QDP_abort(1);
        }
      }
     
      if( tmp == 0x0 ) { 
        QDPIO::cerr << "Failed to create the 4D ChronoPredictor" << std::endl;
        QDP_abort(1);
      }
      chrono_predictor = tmp;
    }
    //*********************************************************************
 
    QDPIO::cout << "Finished constructing: " << __func__ << std::endl;
    
    END_CODE();
  }
 
} //end namespace Chroma