constants.h

#pragma once
 
 
 
#define PI      3.141592654
#define HALF_PI 1.570796327
#define TWO_PI  6.283185307
#define E       2.718281828 
#define SQRT_2  1.414213562 
#define SQRT_3  1.732050808
#define GOLDEN_RATIO 1.618033989