class TUnuranMultiContDist: public TUnuranBaseDist

Function Members (Methods)

public:

virtual	~TUnuranMultiContDist()
static TClass*	Class()
virtual TUnuranMultiContDist*	Clone() const
double	Derivative(const double* x, int icoord) const
const double*	GetLowerDomain() const
const double*	GetMode() const
const double*	GetUpperDomain() const
void	Gradient(const double* x, double* grad) const
virtual TClass*	IsA() const
bool	IsLogPdf() const
unsigned int	NDim() const
TUnuranMultiContDist&	operator=(const TUnuranMultiContDist& rhs)
double	Pdf(const double* x) const
void	SetDomain(const double* xmin, const double* xmax)
void	SetMode(const double* x)
virtual void	ShowMembers(TMemberInspector& insp) const
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
	TUnuranMultiContDist(const TUnuranMultiContDist&)
	TUnuranMultiContDist(const ROOT::Math::IMultiGenFunction& pdf, bool isLogPdf = false)
	TUnuranMultiContDist(TF1* func = 0, unsigned int dim = 0, bool isLogPdf = false)

Data Members

private:

bool	fIsLogPdf	flag to control if function pointer represent log of pdf
vector<double>	fMode	vector representing the x coordinates of the maximum of the pdf
bool	fOwnFunc	flag to indicate if class manages the function pointers
const ROOT::Math::IMultiGenFunction*	fPdf	pointer to the pdf
vector<double>	fXmax	vector with upper x values of the domain
vector<double>	fXmin	vector with lower x values of the domain

Class Charts

Inheritance Inherited Members Includes Libraries

Function documentation

TUnuranMultiContDist(const ROOT::Math::IMultiGenFunction& pdf, bool isLogPdf = false)

Constructor from generic function interfaces

TUnuranMultiContDist(TF1* func = 0, unsigned int dim = 0, bool isLogPdf = false)

Constructor from a TF1 objects

TUnuranMultiContDist(const TUnuranMultiContDist& )

 Implementation of copy ctor using assignment operator

~TUnuranMultiContDist()

 destructor implementation

double Pdf(const double* x) const

 evaluate the distribution

void Gradient(const double* x, double* grad) const

 do numerical derivation and return gradient in vector grad
 grad must point to a vector of at least ndim size

double Derivative(const double* x, int icoord) const

 do numerical derivation of gradient using 5 point rule
 use 5 point rule

TUnuranMultiContDist * Clone() const

      Clone (required by base class)

{ return new TUnuranMultiContDist(*this); }

unsigned int NDim() const

      get number of dimension of the distribution

void SetDomain(const double* xmin, const double* xmax)

      set the domain of the distribution giving an array of minimum and maximum values
      By default otherwise the domain is undefined, i.e. is [-inf,+inf]
      To remove the domain do a SetDomain(0,0).
      There is no possibility to have a domain defined in only one coordinate. Use instead inf or DOUBLE_MAX to
      specify un infinite domain in that coordinate

void SetMode(const double* x)

      set the mode of the distribution (coordinates of the distribution maximum values)

const double * GetLowerDomain() const

      get the distribution lower domain values. Return a null pointer if domain is not defined

const double * GetUpperDomain() const

      get the distribution upper domain values. Return a null pointer if domain is not defined

const double * GetMode() const

      get the mode (vector of coordinate positions of the maxima of the distribution)
      If a mode has not defined return a NULL pointer

bool IsLogPdf() const

      flag to control if given function represent the log of a pdf

{ return fIsLogPdf; }