RooFit::Detail::AnalyticalIntegrals Namespace Reference

Functions
double	chebychevIntegral (double const *coeffs, unsigned int nCoeffs, double xMin, double xMax, double xMinFull, double xMaxFull)
double	exponentialIntegral (double xMin, double xMax, double constant)
double	fast_fma (double x, double y, double z) noexcept
	use fast FMA if available, fall back to normal arithmetic if not
double	gaussianIntegral (double xMin, double xMax, double mean, double sigma)
	Function to calculate the integral of an un-normalized RooGaussian over x.
double	logNormalIntegral (double xMin, double xMax, double m0, double k)
double	logNormalIntegralStandard (double xMin, double xMax, double mu, double sigma)
double	max (double x, double y)
double	min (double x, double y)
double	poissonIntegral (int code, double mu, double x, double integrandMin, double integrandMax, unsigned int protectNegative)
template<bool pdfMode = false>
double	polynomialIntegral (double const *coeffs, int nCoeffs, int lowestOrder, double xMin, double xMax)
	In pdfMode, a coefficient for the constant term of 1.0 is implied if lowestOrder > 0.

Function Documentation

chebychevIntegral()

double RooFit::Detail::AnalyticalIntegrals::chebychevIntegral ( double const *  coeffs, unsigned int  nCoeffs, double  xMin, double  xMax, double  xMinFull, double  xMaxFull  )

inline

Definition at line 112 of file AnalyticalIntegrals.h.

exponentialIntegral()

double RooFit::Detail::AnalyticalIntegrals::exponentialIntegral ( double  xMin, double  xMax, double  constant  )

inline

Definition at line 69 of file AnalyticalIntegrals.h.

fast_fma()

double RooFit::Detail::AnalyticalIntegrals::fast_fma ( double  x, double  y, double  z  )

inlinenoexcept

use fast FMA if available, fall back to normal arithmetic if not

Definition at line 99 of file AnalyticalIntegrals.h.

gaussianIntegral()

double RooFit::Detail::AnalyticalIntegrals::gaussianIntegral ( double  xMin, double  xMax, double  mean, double  sigma  )

inline

Function to calculate the integral of an un-normalized RooGaussian over x.

To calculate the integral over mean, just interchange the respective values of x and mean.

Parameters

xMin	Minimum value of variable to integrate wrt.
xMax	Maximum value of of variable to integrate wrt.
mean	Mean.
sigma	Sigma.

Returns

The integral of an un-normalized RooGaussian over the value in x.

Definition at line 35 of file AnalyticalIntegrals.h.

logNormalIntegral()

double RooFit::Detail::AnalyticalIntegrals::logNormalIntegral ( double  xMin, double  xMax, double  m0, double  k  )

inline

Definition at line 237 of file AnalyticalIntegrals.h.

logNormalIntegralStandard()

double RooFit::Detail::AnalyticalIntegrals::logNormalIntegralStandard ( double  xMin, double  xMax, double  mu, double  sigma  )

inline

Definition at line 248 of file AnalyticalIntegrals.h.

max()

double RooFit::Detail::AnalyticalIntegrals::max ( double  x, double  y  )

inline

Definition at line 178 of file AnalyticalIntegrals.h.

min()

double RooFit::Detail::AnalyticalIntegrals::min ( double  x, double  y  )

inline

Definition at line 183 of file AnalyticalIntegrals.h.

poissonIntegral()

double RooFit::Detail::AnalyticalIntegrals::poissonIntegral ( int  code, double  mu, double  x, double  integrandMin, double  integrandMax, unsigned int  protectNegative  )

inline

Definition at line 190 of file AnalyticalIntegrals.h.

polynomialIntegral()

template<bool pdfMode = false>

double RooFit::Detail::AnalyticalIntegrals::polynomialIntegral ( double const *  coeffs, int  nCoeffs, int  lowestOrder, double  xMin, double  xMax  )

inline

In pdfMode, a coefficient for the constant term of 1.0 is implied if lowestOrder > 0.

Definition at line 80 of file AnalyticalIntegrals.h.