math.h File Reference

Detailed Description

Some extensions to the standard cmath library.

This file includes the standard math library (cmath).

#include <cmath>

Namespaces
namespace	lemon
	The namespace of LEMON.

Functions
bool	isNaN (double v)
	Check whether the parameter is NaN or not.
double	round (double r)
	Round a value to its closest integer.

Variables
const long double	E = 2.7182818284590452353602874713526625L
	The Euler constant.
const long double	LOG2E = 1.4426950408889634073599246810018921L
	log_2(e)
const long double	LOG10E = 0.4342944819032518276511289189166051L
	log_10(e)
const long double	LN2 = 0.6931471805599453094172321214581766L
	ln(2)
const long double	LN10 = 2.3025850929940456840179914546843642L
	ln(10)
const long double	PI = 3.1415926535897932384626433832795029L
	pi
const long double	PI_2 = 1.5707963267948966192313216916397514L
	pi/2
const long double	PI_4 = 0.7853981633974483096156608458198757L
	pi/4
const long double	SQRT2 = 1.4142135623730950488016887242096981L
	sqrt(2)
const long double	SQRT1_2 = 0.7071067811865475244008443621048490L
	1/sqrt(2)