//精度
const double eps = 1e-8;
//a==b
#define Equ(a,b) (fabs((a)-(b))<1e-8)
//a>b
#define More(a,b) ((a)-(b)>eps)
//a<b
#define Less(a,b) ((a)-(b)<-eps)
a>=b
#define MoreEqu(a,b) ((a)-(b)>-eps)
a<=b
#define LessEqu(a,b) ((a)-(b)<eps)
//精度
const double eps = 1e-8;
//a==b
#define Equ(a,b) (fabs((a)-(b))<1e-8)
//a>b
#define More(a,b) ((a)-(b)>eps)
//a<b
#define Less(a,b) ((a)-(b)<-eps)
a>=b
#define MoreEqu(a,b) ((a)-(b)>-eps)
a<=b
#define LessEqu(a,b) ((a)-(b)<eps)