#include <RooCubicSplineKnot.h>

Public Member Functions
	S2_edge (double a1, double b1, double a2, double b2)

	S2_edge (const S2_edge &other, double offset=0)

double	operator() (int j, int k) const

Private Attributes
double	t0

double	t1

double	t2

Detailed Description

Definition at line 168 of file RooCubicSplineKnot.h.

Constructor & Destructor Documentation

◆ S2_edge() [1/2]

RooCubicSplineKnot::S2_edge::S2_edge	(	double	a1,
		double	b1,
		double	a2,
		double	b2
	)

inline

Definition at line 170 of file RooCubicSplineKnot.h.

                                                             :
         t0(b1*b2),
         t1(1./2.*(a1*b2+a2*b1)),
         t2(1./4.*a1*a2)
         {}

◆ S2_edge() [2/2]

RooCubicSplineKnot::S2_edge::S2_edge	(	const S2_edge &	other,
		double	offset = `0`
	)

inline

Definition at line 175 of file RooCubicSplineKnot.h.

                                                       : t0(other.t0), t1(other.t1), t2(other.t2) {
             if (!offset) return;
             t0+=offset*(2*t1+offset*4*t2);
             t1+=offset*8*t2/2.;
             // t2=t2;
          }

Member Function Documentation

◆ operator()()

double RooCubicSplineKnot::S2_edge::operator()	(	int	j,
		int	k
	)		const

inline

Definition at line 181 of file RooCubicSplineKnot.h.

                                               {
             if (j>k) std::swap(j,k);
             assert(0<=j&&j<3);
             assert(0<=k&&k<3-j);
             switch(2*j+k) {
                 case 0: return   t0;   // (0,0)
                 case 1: return   t1;   // (0,1),(1,0)
                 case 2: return   t2;   // (0,2),(2,0)
                 case 3: return 2*t2;   // (1,1)
             }
             assert(1==0);
             return 0;
           }