14#ifndef ROOT_Math_VirtualIntegrator
15#define ROOT_Math_VirtualIntegrator
74 virtual double Error()
const = 0;
85 virtual int NEval()
const {
return -1; }
128 virtual double Integral(
const std::vector<double> & pts) = 0;
174 virtual double Integral(
const double*,
const double*) = 0;
double RelTolerance() const
absolute tolerance
double AbsTolerance() const
non-static methods for retrivieng options
Documentation for the abstract class IBaseFunctionMultiDim.
Interface (abstract class) for generic functions objects of one-dimension Provides a method to evalua...
Numerical multi dimensional integration options.
IntegrationMultiDim::Type IntegratorType() const
type of the integrator (return the enumeration type)
Numerical one dimensional integration options.
IntegrationOneDim::Type IntegratorType() const
type of the integrator (return the enumeration type)
Interface (abstract) class for multi numerical integration It must be implemented by the concrete Int...
virtual ROOT::Math::IntegrationMultiDim::Type Type() const
virtual void SetOptions(const ROOT::Math::IntegratorMultiDimOptions &opt)
set the options (if needed must be re-implemented by derived classes)
virtual ~VirtualIntegratorMultiDim()
destructor: no operation
virtual double Integral(const double *, const double *)=0
evaluate multi-dim integral
virtual ROOT::Math::IntegratorMultiDimOptions Options() const =0
get the option used for the integration impelement by derived class otherwise return default ones
virtual void SetFunction(const IMultiGenFunction &)=0
setting a multi-dim function
Interface (abstract) class for 1D numerical integration It must be implemented by the concrate Integr...
virtual double Integral()=0
evaluate un-defined integral (between -inf, + inf)
virtual ROOT::Math::IntegratorOneDimOptions Options() const =0
get the option used for the integration must be implemented by derived class
virtual ROOT::Math::IntegrationOneDim::Type Type() const
virtual ~VirtualIntegratorOneDim()
destructor: no operation
virtual void SetFunction(const IGenFunction &)=0
set integration function
virtual double IntegralCauchy(double a, double b, double c)=0
evaluate Cauchy integral
virtual double IntegralLow(double b)=0
evaluate integral over the (-inf, b)
virtual void SetOptions(const ROOT::Math::IntegratorOneDimOptions &opt)
set the options (should be re-implemented by derived classes -if more options than tolerance exist
virtual double Integral(double a, double b)=0
evaluate integral
virtual double IntegralUp(double a)=0
evaluate integral over the (a, +inf)
virtual double Integral(const std::vector< double > &pts)=0
evaluate integral with singular points
Abstract class for all numerical integration methods (1D and multi-dim) Interface defining the common...
virtual void SetRelTolerance(double)=0
set the desired relative Error
virtual void SetAbsTolerance(double)=0
set the desired absolute Error
virtual double Error() const =0
return the estimate of the absolute Error of the last Integral calculation
virtual int NEval() const
return number of function evaluations in calculating the integral (if integrator do not implement thi...
virtual double Result() const =0
return the Result of the last Integral calculation
virtual ~VirtualIntegrator()
virtual int Status() const =0
return the Error Status of the last Integral calculation
Type
enumeration specifying the integration types.
Type
enumeration specifying the integration types.
Namespace for new Math classes and functions.
Namespace for new ROOT classes and functions.