ThePEG
1.8.0
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This class inherits from SampleBase and implements the Auto Compensating Divide-and-Conquer phase space generator, ACDCGen. More...
#include <ACDCSampler.h>
Public Types | |
typedef ACDCGenerator::ACDCGen < UseRandom, tStdEHPtr > | SamplerType |
Typedef the underlying ACDCGen class. |
Public Member Functions | |
Standard constructors and destructors. | |
ACDCSampler () | |
The default constructor. | |
ACDCSampler (const ACDCSampler &x) | |
The copy constructor. | |
virtual | ~ACDCSampler () |
The destructor. | |
Virtual functions needed for SamplerBase | |
virtual void | initialize () |
Initialize the the sampler, possibly doing presampling of the phase space. | |
virtual double | generate () |
Generarate a new phase space point and return a weight associated with it. | |
virtual int | lastBin () const |
ACDCSampler is able to sample several different functions separately. | |
virtual void | rejectLast () |
Reject the last chosen phase space point. | |
virtual CrossSection | integratedXSec () const |
Return the total integrated cross section determined from the Monte Carlo sampling so far. | |
virtual CrossSection | integratedXSecErr () const |
Return the error on the total integrated cross section determined from the Monte Carlo sampling so far. | |
virtual CrossSection | maxXSec () const |
Return the overestimated integrated cross section. | |
virtual double | sumWeights () const |
Return the sum of the weights returned by generate() so far (of the events that were not rejeted). | |
Functions used by the persistent I/O system. | |
void | persistentOutput (PersistentOStream &os) const |
Function used to write out object persistently. | |
void | persistentInput (PersistentIStream &is, int version) |
Function used to read in object persistently. | |
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void | setEventHandler (tStdEHPtr eh) |
Set the event handler for which the function StandardEventHandler::dSigDR(const vector<double> &) function returns the cross section for the chosen phase space point. | |
virtual | ~SamplerBase () |
Destructor. | |
const vector< double > & | lastPoint () const |
Return the last generated phase space point. | |
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virtual | ~Interfaced () |
Empty virtual destructor. | |
virtual bool | defaultInit () |
Functions which are to be used during the actual event generation, after the setup is complete. | |
PPtr | getParticle (PID) const |
Create a new Particle instance given a id number. | |
PDPtr | getParticleData (PID) const |
Return a pointer to the ParticleData object corresponding to the given id number. | |
bool | used () const |
Returns true if this object has actally been used. | |
void | useMe () const |
Should be called to indicate that this object has actually been used. | |
tEGPtr | generator () const |
Return a pointer to the EventGenerator controlling the run. | |
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virtual | ~InterfacedBase () |
The virtual (empty) destructor;. | |
string | fullName () const |
Returns the full name of this object including its path, e.g. | |
string | name () const |
Returns the name of this object, without the path. | |
string | path () const |
Returns the path to this object including the trailing '/'. | |
string | comment () const |
Returns a comment assigned to this object. | |
void | setup (istream &is) |
Read setup info from a standard istream is. | |
virtual void | debugme () const |
Print out debugging information for this object on std::cerr. | |
void | update () |
Calls the doupdate() function with recursion prevention. | |
void | init () |
Calls the doinit() function with recursion prevention. | |
virtual bool | preInitialize () const |
Return true if this object needs to be initialized before all other objects (except those for which this function also returns true). | |
void | initrun () |
Calls the doinitrun() function with recursion prevention. | |
void | finish () |
Calls the dofinish() function with recursion prevention. | |
void | touch () |
This function should be called every time something in this object has changed in a way that a sanity check with update() is needed. | |
void | reset () |
Set the state of this object to uninitialized. | |
void | clear () |
Calls reset() and unTouch(). | |
InitState | state () const |
Return the state of initialization of this object. | |
bool | locked () const |
Return true if the BaseRepository is not allowed to change the state of this object. | |
bool | touched () const |
Return true if the state of this object has been changed since the last call to update(). | |
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virtual | ~Base () |
The virtual destructor. | |
void | debug () const |
Print out debugging information for this object on std::cerr. | |
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CounterType | referenceCount () const |
Return the reference count. | |
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Named (const string &newName=string()) | |
Constructor with name. | |
bool | operator== (const Named &other) const |
Test for equality. | |
bool | operator< (const Named &other) const |
Lexicographical comparison. |
Static Public Member Functions | |
static void | Init () |
The standard Init function used to initialize the interfaces. |
Protected Member Functions | |
Clone Methods. | |
virtual IBPtr | clone () const |
Make a simple clone of this object. | |
virtual IBPtr | fullclone () const |
Make a clone of this object, possibly modifying the cloned object to make it sane. | |
Standard Interfaced functions. | |
virtual void | doinitrun () |
Initialize this object. | |
virtual void | dofinish () |
Finalize this object. | |
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vector< double > & | lastPoint () |
Return the last generated phase space point. | |
tStdEHPtr | eventHandler () const |
Return the associated event handler. | |
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void | reporeg (IBPtr object, string name) const |
Register the given object in the Repository with the given name in a subdirectory with the same name as this object. | |
template<typename PtrT > | |
bool | setDefaultReference (PtrT &ptr, string classname, string objectname) |
If the pointer, ptr, to an object is not set, create an object of class classname and register it with the Repository with the given objectname in a sib-directory with the same name as this object. | |
Interfaced () | |
Protected default constructor. | |
Interfaced (const string &newName) | |
Protected constructor taking a name as argument. | |
Interfaced (const Interfaced &i) | |
Protected copy-constructor. | |
void | setGenerator (tEGPtr generator) |
Protected function to reset the generator pointer, required for automatic decayer generation in Herwig++ BSM models. | |
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InterfacedBase () | |
Protected default constructor. | |
InterfacedBase (string newName) | |
Protected constructor with the name given as argument. | |
InterfacedBase (const InterfacedBase &i) | |
Protected copy-constructor. | |
virtual void | readSetup (istream &is) |
Read setup info from a standard istream is. | |
virtual void | doupdate () |
Check sanity of the object during the setup phase. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
virtual IVector | getReferences () |
Return a vector of all pointers to Interfaced objects used in this object. | |
virtual void | rebind (const TranslationMap &) |
Rebind pointer to other Interfaced objects. | |
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const Named & | operator= (const Named &other) |
Assignment. | |
const string & | name (const string &newName) |
Set new name. |
Private Member Functions | |
ACDCSampler & | operator= (const ACDCSampler &) |
Private and non-existent assignment operator. |
Private Attributes | |
SamplerType | theSampler |
The actual sampler object. | |
double | theEps |
The smallest possible division allowed. | |
double | theMargin |
The factor controlling the loss of efficiency when compensating. | |
int | theNTry |
The number of points to use to find initial average. |
Static Private Attributes | |
static ClassDescription < ACDCSampler > | initACDCSampler |
Describe a concrete class with persistent data. |
This class inherits from SampleBase and implements the Auto Compensating Divide-and-Conquer phase space generator, ACDCGen.
Definition at line 34 of file ACDCSampler.h.
Typedef the underlying ACDCGen class.
Definition at line 39 of file ACDCSampler.h.
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inline |
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protectedvirtual |
Make a simple clone of this object.
Implements ThePEG::InterfacedBase.
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protectedvirtual |
Finalize this object.
Called in the run phase just after a run has ended. Used eg. to write out statistics.
Reimplemented from ThePEG::InterfacedBase.
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protectedvirtual |
Initialize this object.
Called in the run phase just before a run begins.
Reimplemented from ThePEG::InterfacedBase.
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protectedvirtual |
Make a clone of this object, possibly modifying the cloned object to make it sane.
Reimplemented from ThePEG::InterfacedBase.
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virtual |
Generarate a new phase space point and return a weight associated with it.
This weight should preferably be 1.
Implements ThePEG::SamplerBase.
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static |
The standard Init function used to initialize the interfaces.
Called exactly once for each class by the class description system before the main function starts or when this class is dynamically loaded.
Reimplemented from ThePEG::SamplerBase.
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virtual |
ACDCSampler is able to sample several different functions separately.
This function returns the last chosen function.
Reimplemented from ThePEG::SamplerBase.
void ThePEG::ACDCSampler::persistentInput | ( | PersistentIStream & | is, |
int | version | ||
) |
Function used to read in object persistently.
is | the persistent input stream read from. |
version | the version number of the object when written. |
Reimplemented from ThePEG::SamplerBase.
void ThePEG::ACDCSampler::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
Reimplemented from ThePEG::SamplerBase.