Math.h File Reference

#include <cmath>

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Namespaces
namespace	Math
	Namespace for new Math classes and functions.
namespace	ROOT
	This file contains a specialised ROOT message handler to test for diagnostic in unit tests.
namespace	ROOT::Math

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

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

Macro Definition Documentation

M_PI

#define M_PI   3.14159265358979323846264338328

Definition at line 36 of file Math.h.

M_PI_2

#define M_PI_2   1.57079632679489661923132169164

Definition at line 40 of file Math.h.

M_PI_4

#define M_PI_4   0.78539816339744830961566084582

Definition at line 44 of file Math.h.