Exemple #1
0
void mainLoop(GeometryType& geometry,
              InputNgType::Readable& io,
              const ParametersDmrgSolverType& params,
              const PsimagLite::String& list)
{
	typedef typename VectorWithOffsetType::value_type ComplexOrRealType;

	typedef ModelBase<ModelHelperType,
	        ParametersDmrgSolverType,
	        InputNgType::Readable,
	        GeometryType> ModelBaseType;

	SizeType orbitals = 1.0;
	try {
		io.readline(orbitals,"Orbitals=");
	} catch (std::exception&) {}

	ModelSelector<ModelBaseType> modelSelector(params.model);
	const ModelBaseType& model = modelSelector(params,io,geometry);

	const PsimagLite::String& datafile = params.filename;
	IoInputType dataIo(datafile);

	bool iscomplex = false;
	dataIo.read(iscomplex, "IsComplex");

	if (iscomplex != PsimagLite::IsComplexNumber<ComplexOrRealType>::True)
		err("Previous run was complex and this one is not (or viceversa)\n");

	while (!observeOneFullSweep<VectorWithOffsetType,ModelBaseType>
	       (dataIo, model, list, orbitals));
}
Exemple #2
0
void mainLoop0(InputNgType::Readable& io,
               ParametersDmrgSolverType& dmrgSolverParams,
               InputCheck& inputCheck,
               const PsimagLite::String& list)
{
	typedef typename MySparseMatrix::value_type ComplexOrRealType;
	typedef PsimagLite::Geometry<ComplexOrRealType,
	        InputNgType::Readable,
	        ProgramGlobals> GeometryType;

	GeometryType geometry(io);
	int tmp = 0;
	try {
		io.readline(tmp,"UseSu2Symmetry=");
	} catch (std::exception&) {}

	bool su2 = (tmp > 0);

	if (su2) {
		mainLoop1<GeometryType, ModelHelperSu2, MySparseMatrix>
		        (geometry, io, dmrgSolverParams, list);
	} else {
		mainLoop1<GeometryType, ModelHelperLocal, MySparseMatrix>
		        (geometry, io, dmrgSolverParams, list);
	}
}
Exemple #3
0
void mainLoop0(InputNgType::Readable& io,
               const ParametersDmrgSolverType& dmrgSolverParams,
               PsimagLite::String targeting,
               const OperatorOptions& opOptions)
{
	typedef typename MySparseMatrix::value_type ComplexOrRealType;
	typedef PsimagLite::Geometry<ComplexOrRealType,
	        InputNgType::Readable,
	        ProgramGlobals> GeometryType;

	GeometryType geometry(io);
	if (dmrgSolverParams.options.find("printgeometry") != PsimagLite::String::npos)
		std::cout<<geometry;

	int tmp = 0;
	try {
		io.readline(tmp,"UseSu2Symmetry=");
	} catch (std::exception&) {}

	bool su2 = (tmp > 0);

	if (targeting != "GroundStateTargetting" && su2) {
		PsimagLite::String str("SU(2) supports only GroundStateTargetting (sorry!)\n");
		throw PsimagLite::RuntimeError(str);
	}

	if (su2) {
		mainLoop1<GeometryType,ModelHelperSu2,MySparseMatrix,CvectorSizeType>(geometry,
		                                                                      dmrgSolverParams,
		                                                                      io,
		                                                                      opOptions,
		                                                                      targeting);
		return;
	}

	if (dmrgSolverParams.options.find("useComplex") != PsimagLite::String::npos &&
	        targeting != "TimeStepTargetting" &&
	        targeting != "GroundStateTargetting") {
		PsimagLite::String str("SolverOptions=useComplex not allowed for ");
		str += targeting + "\n";
		throw PsimagLite::RuntimeError(str);
	}

	if (targeting=="TimeStepTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,MySparseMatrix,CvectorSizeType>(geometry,
		                                                                        dmrgSolverParams,
		                                                                        io,
		                                                                        opOptions,
		                                                                        targeting);
		return;
	}

	mainLoop1<GeometryType,ModelHelperLocal,MySparseMatrix,CvectorSizeType>(geometry,
	                                                                        dmrgSolverParams,
	                                                                        io,
	                                                                        opOptions,
	                                                                        targeting);
}
Exemple #4
0
void mainLoop0(InputNgType::Readable& io,
               ParametersDmrgSolverType& dmrgSolverParams,
               InputCheck& inputCheck,
               const PsimagLite::String& list)
{
	typedef typename MySparseMatrix::value_type ComplexOrRealType;
	typedef PsimagLite::Geometry<ComplexOrRealType,
	        InputNgType::Readable,
	        ProgramGlobals> GeometryType;

	GeometryType geometry(io);
	int tmp = 0;
	try {
		io.readline(tmp,"UseSu2Symmetry=");
	} catch (std::exception&) {}

	bool su2 = (tmp > 0);

	PsimagLite::String targetting=inputCheck.getTargeting(dmrgSolverParams.options);

	if (targetting!="GroundStateTargetting" && su2)
		throw PsimagLite::RuntimeError("SU(2) supports only GroundStateTargetting");

	if (su2) {
		mainLoop1<GeometryType,ModelHelperSu2,MySparseMatrix>
		        (geometry,targetting,io,dmrgSolverParams, list);

		return;
	}

	if (targetting=="GroundStateTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,MySparseMatrix>
		        (geometry,targetting,io,dmrgSolverParams, list);
	} else if (targetting=="TimeStepTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,MySparseMatrixComplex>
		        (geometry,targetting,io,dmrgSolverParams, list);
	} else {
		mainLoop1<GeometryType,ModelHelperLocal,MySparseMatrix>
		        (geometry,targetting,io,dmrgSolverParams, list);
	}
}
Exemple #5
0
void mainLoop(GeometryType& geometry,
              const PsimagLite::String& targetting,
              InputNgType::Readable& io,
              const ParametersDmrgSolverType& params,
              const PsimagLite::String& list)
{
	typedef ModelBase<ModelHelperType,
	        ParametersDmrgSolverType,
	        InputNgType::Readable,
	        GeometryType> ModelBaseType;

	SizeType orbitals = 1.0;
	try {
		io.readline(orbitals,"Orbitals=");
	} catch (std::exception&) {}

	ModelSelector<ModelBaseType> modelSelector(params.model);
	const ModelBaseType& model = modelSelector(params,io,geometry);

	bool moreData = true;
	const PsimagLite::String& datafile = params.filename;
	ArchiveFiles<ParametersDmrgSolverType>::unpackIfNeeded(datafile);
	IoInputType dataIo(datafile);
	bool hasTimeEvolution = (targetting == "TimeStepTargetting" ||
	                         targetting=="MettsTargetting" ||
	                         targetting=="TargetingAncilla");
	while (moreData) {
		try {
			moreData = !observeOneFullSweep<VectorWithOffsetType,ModelBaseType>
			        (dataIo,model,list,hasTimeEvolution,orbitals);
		} catch (std::exception& e) {
			std::cerr<<"CAUGHT: "<<e.what();
			std::cerr<<"There's no more data\n";
			break;
		}
	}
}
Exemple #6
0
void mainLoop0(InputNgType::Readable& io,
               const ParametersDmrgSolverType& dmrgSolverParams,
               InputCheck& inputCheck,
               const OperatorOptions& opOptions)
{
	typedef typename MySparseMatrix::value_type ComplexOrRealType;
	typedef PsimagLite::Geometry<ComplexOrRealType,
	                             InputNgType::Readable,
	                             ProgramGlobals> GeometryType;

	GeometryType geometry(io);

	int tmp = 0;
	try {
		io.readline(tmp,"UseSu2Symmetry=");
	} catch (std::exception&) {}

	bool su2 = (tmp > 0);

	PsimagLite::String targetting=inputCheck.getTargeting(dmrgSolverParams.options);

	if (targetting!="GroundStateTargetting" && su2) {
		PsimagLite::String str("SU(2) supports only GroundStateTargetting (sorry!)\n");
		throw PsimagLite::RuntimeError(str);
	}

	if (su2) {
		mainLoop1<GeometryType,
		        ModelHelperSu2,
		        TargetingGroundState,
		        MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);

		return;
	}

#ifdef USE_COMPLEX
	if (targetting != "TimeStepTargetting" &&
	        targetting != "GroundStateTargetting") {
		PsimagLite::String str("USE_COMPLEX not allowed for ");
		str += targetting + "\n";
		throw PsimagLite::RuntimeError(str);
	}
#endif

	if (targetting=="TimeStepTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingTimeStep,
		         MySparseMatrixComplex>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="DynamicTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingDynamic,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="AdaptiveDynamicTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingAdaptiveDynamic,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="CorrectionVectorTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingCorrectionVector,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="CorrectionTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingCorrection,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="MettsTargetting") {
		mainLoop1<GeometryType,ModelHelperLocal,MettsTargetting,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	if (targetting=="TargetingAncilla") {
		mainLoop1<GeometryType,ModelHelperLocal,TargetingTimeStep,
		         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
		return;
	}

	mainLoop1<GeometryType,ModelHelperLocal,TargetingGroundState,
	         MySparseMatrix>(geometry,dmrgSolverParams,io,opOptions);
}