The simplest concrete implementation of IEqSolver interface. More...

#include <EqSolver.h>

Inheritance diagram for EqSolver:

Collaboration diagram for EqSolver:

Classes
class	EqSolverMisc

Public Types
typedef std::vector< Equations >	Jacobi

Public Types inherited from extends1< GaudiTool, IEqSolver >
typedef extends1	base_class
	Typedef to this class.

typedef extend_interfaces1 < IEqSolver >	extend_interfaces_base
	Typedef to the base of this class.

typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces.

Public Types inherited from extend_interfaces1< IEqSolver >
typedef IEqSolver::iid::iids::type	ext_iids
	MPL set of interfaces extended by this one.

Public Types inherited from IEqSolver
typedef Genfun::AbsFunction	GenFunc
	Function (.

typedef std::vector< const GenFunc * >	Equations
	Vector of the function "GenFunc" which we solver.

typedef Genfun::Argument	Arg
	Argument of function "GenFunc" (.

Public Member Functions
virtual StatusCode	solver (const Equations &funcs, Arg &arg) const
	Solving nonlinear system with N equations in N unknowns of the function "GenFunc".

virtual StatusCode	initialize ()
	Overriding initialize.

virtual StatusCode	finalize ()
	standard finalization method

virtual	~EqSolver ()
	Destructor.

	EqSolver (const std::string &type, const std::string &name, const IInterface *parent)
	Standard constructor.

Public Member Functions inherited from extends1< GaudiTool, IEqSolver >
	extends1 (A1 a1, A2 a2, A3 a3)
	Templated constructor with 3 arguments.

	extends1 (A1 a1, A2 a2)
	Templated constructor with 2 arguments.

	extends1 (A1 a1)
	Templated constructor with 1 argument.

	extends1 ()
	Default constructor.

virtual void *	i_cast (const InterfaceID &tid) const
	Implementation of IInterface::i_cast.

virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)
	Implementation of IInterface::queryInterface.

virtual std::vector< std::string >	getInterfaceNames () const
	Implementation of IInterface::getInterfaceNames.

virtual	~extends1 ()
	Virtual destructor.

Public Member Functions inherited from GaudiTool
INTupleSvc *	ntupleSvc () const
	Access the standard N-Tuple.

INTupleSvc *	evtColSvc () const
	Access the standard event collection service.

IDataProviderSvc *	detSvc () const
	accessor to detector service

IDataProviderSvc *	evtSvc () const
	accessor to event service service

IIncidentSvc *	incSvc () const
	accessor to Incident Service

IChronoStatSvc *	chronoSvc () const
	accessor to Chrono & Stat Service

IHistogramSvc *	histoSvc () const
	acessor to the histogram service

IAlgContextSvc *	contextSvc () const
	acessor to the Algorithm Context Service

DataObject *	put (IDataProviderSvc svc, DataObject object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store.

DataObject *	put (DataObject *object, const std::string &address, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	get (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data from Gaudi Event Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	getIfExists (const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store.

template<class TYPE >
TYPE *	getDet (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	getDetIfExists (IDataProviderSvc *svc, const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store.

template<class TYPE >
TYPE *	getDet (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store.

template<class TYPE >
Gaudi::Utils::GetData< TYPE > ::return_type	getDetIfExists (const std::string &location) const
	Templated access to the detector data from the Gaudi Detector Transient Store.

template<class TYPE >
bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store.

template<class TYPE >
bool	exist (const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store.

template<class TYPE >
bool	existDet (IDataProviderSvc *svc, const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store.

template<class TYPE >
bool	existDet (const std::string &location) const
	Check the existence of detector objects in the Gaudi Transient Detector Store.

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE > ::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store.

template<class TYPE , class TYPE2 >
Gaudi::Utils::GetData< TYPE > ::return_type	getOrCreate (const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store.

Public Member Functions inherited from GaudiCommon< AlgTool >
Gaudi::Utils::GetData< TYPE > ::return_type	get (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Templated access to the data in Gaudi Transient Store.

Gaudi::Utils::GetData< TYPE > ::return_type	getIfExists (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Quicker version of the get function which bypasses the check on the retrieved data.

bool	exist (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Check the existence of a data object or container in the Gaudi Transient Event Store.

Gaudi::Utils::GetData< TYPE > ::return_type	getOrCreate (IDataProviderSvc *svc, const std::string &location, const bool useRootInTES=true) const
	Get the existing data object from Gaudi Event Transient store.

DataObject *	put (IDataProviderSvc svc, DataObject object, const std::string &location, const bool useRootInTES=true) const
	Register a data object or container into Gaudi Event Transient Store.

TOOL *	tool (const std::string &type, const std::string &name, const IInterface *parent=0, bool create=true) const
	Useful method for the easy location of tools.

TOOL *	tool (const std::string &type, const IInterface *parent=0, bool create=true) const
	A useful method for the easy location of tools.

SmartIF< SERVICE >	svc (const std::string &name, const bool create=true) const
	A useful method for the easy location of services.

IUpdateManagerSvc *	updMgrSvc () const
	Short-cut to locate the Update Manager Service.

StatusCode	Error (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the error message and return with the given StatusCode.

StatusCode	Warning (const std::string &msg, const StatusCode st=StatusCode::FAILURE, const size_t mx=10) const
	Print the warning message and return with the given StatusCode.

StatusCode	Info (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const size_t mx=10) const
	Print the info message and return with the given StatusCode.

StatusCode	Print (const std::string &msg, const StatusCode st=StatusCode::SUCCESS, const MSG::Level lev=MSG::INFO) const
	Print the message and return with the given StatusCode.

void	Assert (const bool ok, const std::string &message="", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled.

void	Assert (const bool ok, const char *message, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Assertion - throw exception if the given condition is not fulfilled.

void	Exception (const std::string &msg, const GaudiException &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given GaudiException.

void	Exception (const std::string &msg, const std::exception &exc, const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and (re)-throw a given exception.

void	Exception (const std::string &msg="no message", const StatusCode sc=StatusCode(StatusCode::FAILURE, true)) const
	Create and throw an exception with the given message.

MsgStream &	msgStream (const MSG::Level level) const
	Predefined configurable message stream for the efficient printouts.

MsgStream &	always () const
	shortcut for the method msgStream ( MSG::ALWAYS )

MsgStream &	fatal () const
	shortcut for the method msgStream ( MSG::FATAL )

MsgStream &	err () const
	shortcut for the method msgStream ( MSG::ERROR )

MsgStream &	error () const
	shortcut for the method msgStream ( MSG::ERROR )

MsgStream &	warning () const
	shortcut for the method msgStream ( MSG::WARNING )

MsgStream &	info () const
	shortcut for the method msgStream ( MSG::INFO )

MsgStream &	debug () const
	shortcut for the method msgStream ( MSG::DEBUG )

MsgStream &	verbose () const
	shortcut for the method msgStream ( MSG::VERBOSE )

MsgStream &	msg () const
	shortcut for the method msgStream ( MSG::INFO )

const Statistics &	counters () const
	accessor to all counters

StatEntity &	counter (const std::string &tag) const
	accessor to certain counter by name

MSG::Level	msgLevel () const
	The current message service output level.

bool	msgLevel (const MSG::Level level) const
	Test the output level.

void	resetMsgStream () const
	Reset (delete) the current message stream object.

bool	typePrint () const
	Insert the actual C++ type of the algorithm/tool in the messages ?

bool	propsPrint () const
	Print properties at initialization ?

bool	statPrint () const
	Print statistical counters at finalization ?

bool	errorsPrint () const
	Print error counters at finalization ?

long	printStat (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of statistical counters

long	printErrors (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of error counters

long	printProps (const MSG::Level level=MSG::ALWAYS) const
	perform the actual printout of properties

void	registerCondition (const std::string &condition, StatusCode(CallerClass::*mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition.

void	registerCondition (const std::string &condition, CondType &condPtrDest, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition.

void	registerCondition (char condition, StatusCode(CallerClass::mf)()=NULL)
	just to avoid conflicts with the version using a pointer to a template class.

void	registerCondition (TargetClass condition, StatusCode(CallerClass::mf)()=NULL)
	register the current instance to the UpdateManagerSvc as a consumer for a condition.

StatusCode	runUpdate ()
	asks the UpdateManagerSvc to perform an update of the instance (if needed) without waiting the next BeginEvent incident.

	GaudiCommon (const std::string &name, ISvcLocator *pSvcLocator)
	Algorithm constructor.

	GaudiCommon (const std::string &type, const std::string &name, const IInterface *parent)
	Tool constructor.

StatusCode	release (const IInterface *interface) const
	Manual forced (and 'safe') release of the active tool or service.

virtual unsigned long	release ()
	Un-hide IInterface::release (ICC warning #1125)

const AlgTools &	tools () const
	get the list of aquired tools

const Services &	services () const
	get the list of aquired services

const std::string &	context () const
	Returns the "context" string. Used to identify different processing states.

const std::string &	rootInTES () const
	Returns the "rootInTES" string.

double	globalTimeOffset () const
	Returns the "globalTimeOffset" double.

const std::string	fullTESLocation (const std::string &location, const bool useRootInTES) const
	Returns the full correct event location given the rootInTes settings.

Public Member Functions inherited from AlgTool
virtual const std::string &	name () const
	Retrieve full identifying name of the concrete tool object.

virtual const std::string &	type () const
	Retrieve type (concrete class) of the sub-algtool.

virtual const IInterface *	parent () const
	Retrieve parent of the sub-algtool.

virtual StatusCode	configure ()

virtual StatusCode	start ()

virtual StatusCode	stop ()

virtual StatusCode	terminate ()

virtual StatusCode	reinitialize ()

virtual StatusCode	restart ()

virtual Gaudi::StateMachine::State	FSMState () const

virtual Gaudi::StateMachine::State	targetFSMState () const

virtual StatusCode	sysInitialize ()
	Initialize AlgTool.

virtual StatusCode	sysStart ()
	Start AlgTool.

virtual StatusCode	sysStop ()
	Stop AlgTool.

virtual StatusCode	sysFinalize ()
	Finalize AlgTool.

virtual StatusCode	sysReinitialize ()
	Initialize AlgTool.

virtual StatusCode	sysRestart ()
	Start AlgTool.

virtual StatusCode	setProperty (const Property &p)
	Default implementations for IProperty interface.

virtual StatusCode	setProperty (const std::string &s)

virtual StatusCode	setProperty (const std::string &n, const std::string &v)

virtual StatusCode	getProperty (Property *p) const

virtual const Property &	getProperty (const std::string &name) const

virtual StatusCode	getProperty (const std::string &n, std::string &v) const

virtual const std::vector < Property * > &	getProperties () const

PropertyMgr *	getPropertyMgr ()

template<class TYPE >
StatusCode	setProperty (const std::string &name, const TYPE &value)
	set the property form the value

	AlgTool (const std::string &type, const std::string &name, const IInterface *parent)
	Standard Constructor.

ISvcLocator *	serviceLocator () const
	Retrieve pointer to service locator.

ISvcLocator *	svcLoc () const
	shortcut for the method service locator

IMessageSvc *	msgSvc () const
	Retrieve pointer to message service.

IToolSvc *	toolSvc () const
	The standard ToolSvc service, Return a pointer to the service if present.

StatusCode	setProperties ()
	Method for setting declared properties to the values specified in the jobOptions via the job option service.

template<class T >
StatusCode	service (const std::string &name, T *&svc, bool createIf=true) const
	Access a service by name, creating it if it doesn't already exist.

template<class T >
StatusCode	service (const std::string &type, const std::string &name, T *&svc) const
	Access a service by name, type creating it if it doesn't already exist.

SmartIF< IService >	service (const std::string &name, const bool createIf=true, const bool quiet=false) const
	Return a pointer to the service identified by name (or "type/name")

void	declInterface (const InterfaceID &, void *)
	declare interface

template<class T >
Property *	declareProperty (const std::string &name, T &property, const std::string &doc="none") const
	Declare the named property.

Property *	declareRemoteProperty (const std::string &name, IProperty *rsvc, const std::string &rname="") const
	Declare remote named properties.

IAuditorSvc *	auditorSvc () const
	Access the auditor service.

IMonitorSvc *	monitorSvc () const
	Access the monitor service.

template<class T >
void	declareInfo (const std::string &name, const T &var, const std::string &desc) const
	Declare monitoring information.

void	declareInfo (const std::string &name, const std::string &format, const void *var, int size, const std::string &desc) const
	Declare monitoring information (special case)

Public Member Functions inherited from extend_interfaces1< IEqSolver >
virtual	~extend_interfaces1 ()
	Virtual destructor.

Public Member Functions inherited from IEqSolver
	DeclareInterfaceID (IEqSolver, 2, 0)
	InterfaceID.

Public Member Functions inherited from IAlgTool
	DeclareInterfaceID (IAlgTool, 3, 0)
	InterfaceID.

virtual	~IAlgTool ()
	Virtual destructor.

virtual const std::string &	type () const =0
	The type of an AlgTool, meaning the concrete AlgTool class.

virtual const IInterface *	parent () const =0
	The parent of the concrete AlgTool.

virtual StatusCode	configure ()=0
	Configuration (from OFFLINE to CONFIGURED).

virtual StatusCode	start ()=0
	Start (from INITIALIZED to RUNNING).

virtual StatusCode	stop ()=0
	Stop (from RUNNING to INITIALIZED).

virtual StatusCode	terminate ()=0
	Initialization (from CONFIGURED to OFFLINE).

virtual StatusCode	reinitialize ()=0
	Initialization (from INITIALIZED or RUNNING to INITIALIZED, via CONFIGURED).

virtual StatusCode	restart ()=0
	Initialization (from RUNNING to RUNNING, via INITIALIZED).

virtual Gaudi::StateMachine::State	FSMState () const =0
	Get the current state.

virtual StatusCode	sysInitialize ()=0
	Initialization of the Tool.

virtual StatusCode	sysStart ()=0
	Initialization of the Tool.

virtual StatusCode	sysStop ()=0
	Initialization of the Tool.

virtual StatusCode	sysFinalize ()=0
	Finalization of the Tool.

virtual StatusCode	sysReinitialize ()=0
	Initialization of the Tool.

virtual StatusCode	sysRestart ()=0
	Initialization of the Tool.

virtual unsigned long	refCount () const =0
	Current number of reference counts.

Public Member Functions inherited from INamedInterface
	DeclareInterfaceID (INamedInterface, 1, 0)
	InterfaceID.

virtual const std::string &	name () const =0
	Retrieve the name of the instance.

virtual	~INamedInterface ()
	Virtual destructor (always needed for abstract classes).

Public Member Functions inherited from IInterface
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance.

virtual unsigned long	release ()=0
	Release Interface instance.

virtual	~IInterface ()
	Virtual destructor.

Private Member Functions
	EqSolver ()
	default constructor is private

	EqSolver (const EqSolver &)
	copy constructor is private

EqSolver &	operator= (const EqSolver &)
	assignment operator is

Private Attributes
std::string	m_algType

double	m_max_iter

double	m_norm_residual

const gsl_multiroot_fdfsolver_type *	m_type

Friends
class	ToolFactory< EqSolver >

Additional Inherited Members
Static Public Member Functions inherited from GaudiTool
static bool	enableSummary (bool)
	enable/disable summary

static bool	summaryEnabled ()
	is summary enabled?

Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface.

Protected Types inherited from GaudiCommon< AlgTool >
typedef std::map< std::string, StatEntity >	Statistics
	the actual type of general counters

typedef std::map< std::string, unsigned int >	Counter
	the actual type error/warning counter

typedef std::vector< IAlgTool * >	AlgTools
	storage for active tools

typedef GaudiUtils::HashMap < std::string, SmartIF < IService > >	Services
	storage for active services

Protected Member Functions inherited from GaudiTool
	GaudiTool (const std::string &type, const std::string &name, const IInterface *parent)
	Standard constructor.

virtual	~GaudiTool ()
	destructor, virtual and protected

Protected Attributes inherited from GaudiCommon< AlgTool >
ICounterSummarySvc *	m_counterSummarySvc
	a pointer to the CounterSummarySvc

std::vector< std::string >	m_counterList
	list of counters to declare. Set by property CounterList. This can be a regular expression.

std::vector< std::string >	m_statEntityList

Static Protected Attributes inherited from GaudiCommon< AlgTool >
static const bool	IgnoreRootInTES
	Simple definition to be used with the new useRootInTES argument get<TYPE> and put methods.

static const bool	UseRootInTES
	Simple definition to be used with the new useRootInTES argument get<TYPE> and put methods.

Detailed Description

The simplest concrete implementation of IEqSolver interface.

See Also: GaudiGSL/IEqSolver.h

Author: Kirill Miklyaev kiril.nosp@m.lm@i.nosp@m.ris1..nosp@m.itep.nosp@m..ru

Date: 2003-07-07

Definition at line 28 of file EqSolver.h.

Member Typedef Documentation

typedef std::vector<Equations> EqSolver::Jacobi

Definition at line 32 of file EqSolver.h.

Constructor & Destructor Documentation

EqSolver::~EqSolver ( )

virtual

Destructor.

Definition at line 341 of file EqSolver.cpp.

{}

EqSolver::EqSolver	(	const std::string &	type,
		const std::string &	name,
		const IInterface *	parent
	)

Standard constructor.

See Also: GaudiTool

Parameters

type	tool type
name	tool name
parent	parent of the tool

declare type of the algorithm for root finding

declare maximum of iteration

declare the absolute error bound for the residual value

Definition at line 75 of file EqSolver.cpp.

  : base_class      ( type, name , parent )
  , m_algType       ( "fdfsolver_hybridsj" )
  , m_max_iter      ( 1000                 )
  , m_norm_residual ( 1.0e-7               )
  , m_type          ( 0                    )
{
  declareProperty ( "Algorithm", m_algType       );
  declareProperty ( "Iteration", m_max_iter      );
  declareProperty ( "Residual" , m_norm_residual );
}

EqSolver::EqSolver ( )

private

default constructor is private

EqSolver::EqSolver ( const EqSolver & )

private

copy constructor is private

Member Function Documentation

StatusCode EqSolver::finalize ( )

virtual

standard finalization method

See Also: AlgTool; IAlgTool

Returns: status code

Reimplemented from GaudiTool.

Definition at line 328 of file EqSolver.cpp.

{
  StatusCode sc = GaudiTool::finalize() ;
  MsgStream log( msgSvc() , name() ) ;
  if ( sc.isFailure() )
    {
      return Error("Could not finaliaze base class GaudiTool", sc);
    }
  return StatusCode::SUCCESS;
}

StatusCode EqSolver::initialize ( )

virtual

Overriding initialize.

Reimplemented from GaudiTool.

Definition at line 273 of file EqSolver.cpp.

{
  StatusCode sc = GaudiTool::initialize() ;
  MsgStream log( msgSvc() , name() ) ;
  if( sc.isFailure() )
    {
      return Error ("Could not initiliaze base class GaudiTool", sc);
    }
  /* The algorithm for multiional root-finding
     (solving nonlinear systems with n equations in n unknowns)*/
  if(       "fdfsolver_hybridsj" == m_algType )
    {
      m_type = gsl_multiroot_fdfsolver_hybridsj  ;
      log << MSG::DEBUG
          << "Root findind algoritms to be used: "
          << "'gsl_multiroot_fdfsolver_hybridsj'"
          << endmsg;
    }
  else if ( "fdfsolver_hybridj" == m_algType )
    {
      m_type = gsl_multiroot_fdfsolver_hybridj   ;
      log << MSG::DEBUG
          << "Root findind algoritms to be used: "
          << "'gsl_multiroot_fdfsolver_hybridj'"
          << endmsg;
    }
  else if ( "fdfsolver_newton" == m_algType )
    {
      m_type = gsl_multiroot_fdfsolver_newton    ;
      log << MSG::DEBUG
          << "Root findind algoritms to be used: "
          << "'gsl_multiroot_fdfsolver_newton'"
          << endmsg;
    }
  else if ( "fdfsolver_gnewton" == m_algType )
    {
      m_type = gsl_multiroot_fdfsolver_gnewton   ;
      log << MSG::DEBUG
          << "Root findind algoritms to be used: "
          << "'gsl_multiroot_fdfsolver_gnewton'"
          << endmsg;
    }
  else
    {
      return Error(" Unknown algorith type '"
                   + std::string(m_algType) + "'");
     }
  return StatusCode::SUCCESS;
}

EqSolver& EqSolver::operator= ( const EqSolver & )

private

assignment operator is

StatusCode EqSolver::solver	(	const Equations &	funcs,
		Arg &	arg
	)		const

virtual

Solving nonlinear system with N equations in N unknowns of the function "GenFunc".

Solving nonlinear system of the function "GenFunc".

See Also: IEqSolver.h

Returns: StatusCode

Implements IEqSolver.

Definition at line 191 of file EqSolver.cpp.

{
  using namespace Genfun;
  gsl_vector_view vect = gsl_vector_view_array ( &arg[0] ,
                                                 arg.dimension() );
  MsgStream log( msgSvc(), name() );
  EqSolverMisc local (funcs, arg);
  const gsl_multiroot_fdfsolver_type *T = m_type;
  gsl_multiroot_fdfsolver *s;
  int    status = 0 ;
  size_t iter   = 0 ;
  gsl_multiroot_function_fdf function;
  function.f = &fun_gsl;
  function.df = &dfun_gsl;
  function.fdf = &fdfun_gsl;
  function.n = vect.vector.size;
  function.params = (void*) &local;
  s = gsl_multiroot_fdfsolver_alloc(T, vect.vector.size);
  gsl_multiroot_fdfsolver_set (s, &function, &vect.vector);
  for (iter = 0; iter < m_max_iter; ++iter)
    {
      status = gsl_multiroot_fdfsolver_iterate (s);
      if (status)
        {
          return Error
            ("Error from gsl_gsl_multiroot_fdfsolver_iterate '"
             + std::string(gsl_strerror(status)) + "'") ;
        }
      status = gsl_multiroot_test_residual (s->f,
                                            m_norm_residual);
      if ( status != GSL_CONTINUE ) { break; }
    }
  for (unsigned int i = 0; i < vect.vector.size; ++i)
    {
      gsl_vector_set (&vect.vector, i, gsl_vector_get (s->x, i));
    }
  if (status == GSL_SUCCESS)
    {
      log << MSG::DEBUG
          << "We stopped in the method on the " << iter
          << " iteration (we have maximum "     << m_max_iter
          << " iterations)"                     << endmsg;
    }
  else if (status == GSL_CONTINUE && iter <= m_max_iter )
    {
      return Error ( "Method finished with '"
                     + std::string(gsl_strerror(status))
                     +  "' error" );
    }
  else
    {
      return Error ( "Method finished with '" +
                     std::string(gsl_strerror(status))
                     +  "' error" );
    }
  gsl_multiroot_fdfsolver_free (s);
  if (status)
    {
      return Error ( "Method finished with '"
                     + std::string(gsl_strerror(status))
                     +  "' error" );
    }
  return GSL_SUCCESS;
}

Friends And Related Function Documentation

friend class ToolFactory< EqSolver >

friend

Definition at line 30 of file EqSolver.h.

Member Data Documentation

std::string EqSolver::m_algType

private

Definition at line 99 of file EqSolver.h.

double EqSolver::m_max_iter

private

Definition at line 100 of file EqSolver.h.

double EqSolver::m_norm_residual

private

Definition at line 101 of file EqSolver.h.

const gsl_multiroot_fdfsolver_type* EqSolver::m_type

private

Definition at line 102 of file EqSolver.h.

The documentation for this class was generated from the following files:

/afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r9/GaudiGSL/src/Components/EqSolver.h
/afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r9/GaudiGSL/src/Components/EqSolver.cpp

Gaudi Framework, version v23r9

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Friends And Related Function Documentation

Member Data Documentation