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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.

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)
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