fastjet::ClosestPair2D::Shuffle Class Reference

class that will take care of ordering of shuffles for us More...

Collaboration diagram for fastjet::ClosestPair2D::Shuffle:


Public Member Functions
bool	operator< (const Shuffle &) const
	compares this shuffle with the other one
void	operator+= (unsigned int shift)
Public Attributes
unsigned int	x
unsigned int	y
Point *	point

Detailed Description

class that will take care of ordering of shuffles for us

Definition at line 119 of file ClosestPair2D.hh.

Member Function Documentation

bool fastjet::ClosestPair2D::Shuffle::operator< ( const Shuffle & ) const

compares this shuffle with the other one

Definition at line 64 of file ClosestPair2D.cc.

References fastjet::floor_ln2_less(), x, and y.

00064                                                             {
00065 
00066   if (floor_ln2_less(x ^ q.x, y ^ q.y)) {
00067     // i = 2 in Chan's algorithm
00068     return (y < q.y);
00069   } else {
00070     // i = 1 in Chan's algorithm
00071     return (x < q.x);
00072   }
00073 }