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Reference Guide
Namespaces | Macros
SpecFuncMathCore.cxx File Reference
#include "SpecFuncCephes.h"
#include <cmath>
#include <limits>
Include dependency graph for SpecFuncMathCore.cxx:


 Namespace for new ROOT classes and functions.


#define PI   3.14159265358979323846264338328 /* pi */
#define USE_CEPHES


Special Functions from MathCore
double ROOT::Math::erfc (double x)
 Complementary error function. More...
double ROOT::Math::erf (double x)
 Error function encountered in integrating the normal distribution. More...
double ROOT::Math::lgamma (double x)
 Calculates the logarithm of the gamma function. More...
double ROOT::Math::tgamma (double x)
 The gamma function is defined to be the extension of the factorial to real numbers. More...
double ROOT::Math::inc_gamma (double a, double x)
 Calculates the normalized (regularized) lower incomplete gamma function (lower integral) More...
double ROOT::Math::inc_gamma_c (double a, double x)
 Calculates the normalized (regularized) upper incomplete gamma function (upper integral) More...
double ROOT::Math::beta (double x, double y)
 Calculates the beta function. More...
double ROOT::Math::inc_beta (double x, double a, double b)
 Calculates the normalized (regularized) incomplete beta function. More...
double ROOT::Math::sinint (double x)
 Calculates the sine integral. More...
double ROOT::Math::cosint (double x)
 Calculates the real part of the cosine integral Re(Ci). More...

Macro Definition Documentation

◆ PI

#define PI   3.14159265358979323846264338328 /* pi */

Definition at line 23 of file SpecFuncMathCore.cxx.


#define USE_CEPHES

Definition at line 27 of file SpecFuncMathCore.cxx.