Logo ROOT   6.10/09
Reference Guide
Namespaces | Macros | Functions
Math.h File Reference
#include <cmath>
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 Namespace for new Math classes and functions.
 Namespace for new ROOT classes and functions.


#define M_PI   3.14159265358979323846264338328
#define M_PI_2   1.57079632679489661923132169164
#define M_PI_4   0.78539816339744830961566084582


double ROOT::Math::expm1 (double x)
 exp(x) -1 with error cancellation when x is small More...
double ROOT::Math::log1p (double x)
 declarations for functions which are not implemented by some compilers More...
double ROOT::Math::Pi ()
 Mathematical constants. More...

Macro Definition Documentation

◆ M_PI

#define M_PI   3.14159265358979323846264338328

Definition at line 38 of file Math.h.

◆ M_PI_2

#define M_PI_2   1.57079632679489661923132169164

Definition at line 42 of file Math.h.

◆ M_PI_4

#define M_PI_4   0.78539816339744830961566084582

Definition at line 46 of file Math.h.