#ifndef _ToolsMath_h_
#define _ToolsMath_h_

// Structure d'un point reel

struct dpoint 
{
	 double x;
	 double y;
};

int round(double x);
double distance(dpoint pt1, dpoint pt2); 
void GetCoeffDroite(dpoint pt1, dpoint pt2, double *p1, double *d1, double *b1); 
bool InterCercleDroite(dpoint p0, double r, dpoint d1, dpoint d2, dpoint *sr1, dpoint *sr2);
dpoint leplusproche(dpoint vPoint, dpoint sol1, dpoint sol2);
void moindres_carres_parabole(int N, dpoint *points, double *a, double *b, double *c);
void RegressionLineaire(int n, dpoint *points, double *a, double *b);
double distanceOrthPtDroite(dpoint vpt, dpoint pt1, dpoint pt2, dpoint *pres);
bool PtInPolygon(double vx, double vy, dpoint *tpoint, int nbpoint); 
bool PtInEllipse(double x, double y, double a, double b);
bool PtInEllipse2(int left, int right, int top, int bottom, int ptx, int pty);
bool PtInEllipse3(int left, int right, int top, int bottom, int ptx, int pty);
void Rotation(int X, int Y, float S, float C, int R, int P, int *Xp, int *Yp);

#endif