unprec_two_flavor_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_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 UnprecTwoFlavorWilsonTypeFermMonomialEnv 
  {
    namespace
    {
      //! Callback function for the factory
      Monomial< multi1d<LatticeColorMatrix>,
                multi1d<LatticeColorMatrix> >* createMonomial(XMLReader& xml, const std::string& path) 
      {
        return new UnprecTwoFlavorWilsonTypeFermMonomial(
          TwoFlavorWilsonTypeFermMonomialParams(xml, path));
      }
      
      //! Local registration flag
      bool registered = false;
    }
 
    const std::string name("TWO_FLAVOR_UNPREC_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 TwoFlavorWilsonFermMonomialEnv
 
 
 
  // Constructor
  UnprecTwoFlavorWilsonTypeFermMonomial::UnprecTwoFlavorWilsonTypeFermMonomial(
    const TwoFlavorWilsonTypeFermMonomialParams& param) 
  {
    START_CODE();
 
    inv_param = param.inv_param;
 
    std::istringstream is(param.fermact.xml);
    XMLReader fermact_reader(is);
    QDPIO::cout << "UnprecTwoFlavorWilsonTypeFermMonomial: construct " << param.fermact.id << std::endl;
 
    WilsonTypeFermAct<T,P,Q>* downcast
      = TheWilsonTypeFermActFactory::Instance().createObject(param.fermact.id, fermact_reader, param.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 << "Unable to downcast FermAct to UnprecWilsonTypeFermAct in UnprecTwoFlavorWilsonTypeFermMonomial()" << std::endl;
      QDP_abort(1);
    }
 
    fermact = 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 << "UnprecTwoFlavorWilsonTypeFermMonomial: finished " << param.fermact.id << std::endl;
    
    END_CODE();
  }
 
} //end namespace Chroma