/*******************************************************************************/
/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
/*                                                                             */
#define sgn(x) ((x<0)?-1:((x>0)?1:0));
#define M_PI 3.14159265358979323846  //Pi
#define M_2_PI 0.636619772367581343076 //2 fois la réciproque de Pi
#define M_PI_2 1.57079632679489661923  //Pi divisé par two
#define EPSILON 1E-40
#define degtorad(deg) (deg * PI / 180.0)
#define radtodeg(rad) (rad * 180.0 / PI)

float fabsf(float n);
double fabs(double n);
float sqrtf(float n);        
float rsqrtf(float n); 
double sqrt(double n);        
double rsqrt(double n);   
u32 abs(int x);
u32 random(u32 lower, u32 upper);
u32 rand(void);
void randomize(void);
u8 log2(u64 n);
u8 log10(u64 n);
unsigned long long __udivdi3 (unsigned long long num, unsigned long long den);
unsigned long long __umoddi3 (unsigned long long n, unsigned long long d);
u32 pow(u32 a, u8 n);