EvtTensor4C.cc File Reference

#include "EvtGenBase/EvtPatches.hh"
#include <iostream>
#include <math.h>
#include <assert.h>
#include "EvtGenBase/EvtComplex.hh"
#include "EvtGenBase/EvtVector4C.hh"
#include "EvtGenBase/EvtTensor4C.hh"

Go to the source code of this file.

Functions
EvtTensor4C	rotateEuler (const EvtTensor4C &rs, double alpha, double beta, double gamma)
EvtTensor4C	boostTo (const EvtTensor4C &rs, const EvtVector4R p4)
EvtTensor4C	boostTo (const EvtTensor4C &rs, const EvtVector3R boost)
ostream &	operator<< (ostream &s, const EvtTensor4C &t)
EvtTensor4C	operator* (const EvtTensor4C &t1, const EvtComplex &c)
EvtTensor4C	operator* (const EvtComplex &c, const EvtTensor4C &t1)
EvtTensor4C	operator* (const EvtTensor4C &t1, double d)
EvtTensor4C	operator* (double d, const EvtTensor4C &t1)
EvtComplex	cont (const EvtTensor4C &t1, const EvtTensor4C &t2)
EvtTensor4C	directProd (const EvtVector4C &c1, const EvtVector4C &c2)
EvtTensor4C	directProd (const EvtVector4C &c1, const EvtVector4R &c2)
EvtTensor4C	directProd (const EvtVector4R &c1, const EvtVector4R &c2)
EvtTensor4C	dual (const EvtTensor4C &t2)
EvtTensor4C	conj (const EvtTensor4C &t2)
EvtTensor4C	cont22 (const EvtTensor4C &t1, const EvtTensor4C &t2)
EvtTensor4C	cont11 (const EvtTensor4C &t1, const EvtTensor4C &t2)

Function Documentation

boostTo() [1/2]

EvtTensor4C boostTo	(	const EvtTensor4C &	rs,
		const EvtVector3R	boost
	)

Definition at line 98 of file EvtTensor4C.cc.

                                    {
 
  EvtTensor4C tmp(rs);
  tmp.applyBoostTo(boost);
  return tmp;
 
}

boostTo() [2/2]

EvtTensor4C boostTo	(	const EvtTensor4C &	rs,
		const EvtVector4R	p4
	)

Definition at line 89 of file EvtTensor4C.cc.

                                 {
 
  EvtTensor4C tmp(rs);
  tmp.applyBoostTo(p4);
  return tmp;
 
}

conj()

EvtTensor4C conj

(

const EvtTensor4C &

t2

)

Definition at line 411 of file EvtTensor4C.cc.

                                        { 
  EvtTensor4C temp;
  
  int i,j;
 
  for(i=0;i<4;i++){ 
    for(j=0;j<4;j++){ 
      temp.set(i,j,::conj((t2.get(i,j))));
    }
  }
  
  return temp;
}

cont()

EvtComplex cont	(	const EvtTensor4C &	t1,
		const EvtTensor4C &	t2
	)

Definition at line 312 of file EvtTensor4C.cc.

                                                            {
 
  EvtComplex sum(0.0,0.0);
  int i,j;
 
  for (i=0;i<4;i++) {
    for (j=0;j<4;j++) {
      sum+=t1.t[i][j]*t2.t[i][j]; 
    }
  }
 
  return sum;
}

Referenced by EvtPi0Dalitz::decay(), EvtSpinAmp::extcont(), main(), EvtSpinAmp::operator*=(), EvtSpinAmp::operator+(), EvtSpinAmp::operator+=(), EvtSpinAmp::operator-(), EvtSpinAmp::operator-=(), EvtSpinAmp::operator=(), and EvtTensorParticle::rotateToHelicityBasis().

cont11()

EvtTensor4C cont11	(	const EvtTensor4C &	t1,
		const EvtTensor4C &	t2
	)

Definition at line 443 of file EvtTensor4C.cc.

                                                               { 
  EvtTensor4C temp;
  
  int i,j;
  EvtComplex c;
  
  for(i=0;i<4;i++){ 
    for(j=0;j<4;j++){ 
        c=t1.get(0,i)*t2.get(0,j)-t1.get(1,i)*t2.get(1,j)
      -t1.get(2,i)*t2.get(2,j)-t1.get(3,i)*t2.get(3,j);
    temp.set(i,j,c);
    }
  }
  
  return temp;
}

cont22()

EvtTensor4C cont22	(	const EvtTensor4C &	t1,
		const EvtTensor4C &	t2
	)

Definition at line 426 of file EvtTensor4C.cc.

                                                               { 
  EvtTensor4C temp;
 
  int i,j;
  EvtComplex c;
  
  for(i=0;i<4;i++){ 
    for(j=0;j<4;j++){ 
      c=t1.get(i,0)*t2.get(j,0)-t1.get(i,1)*t2.get(j,1)
    -t1.get(i,2)*t2.get(j,2)-t1.get(i,3)*t2.get(j,3);
      temp.set(i,j,c);
    }
  }
  
  return temp;
}

directProd() [1/3]

EvtTensor4C directProd	(	const EvtVector4C &	c1,
		const EvtVector4C &	c2
	)

Definition at line 327 of file EvtTensor4C.cc.

                                                                   { 
  EvtTensor4C temp;
  int i,j;
  
  for (i=0;i<4;i++) {
    for (j=0;j<4;j++) {
      temp.set(i,j,c1.get(i)*c2.get(j));
    }
  }
  return temp;
}

directProd() [2/3]

EvtTensor4C directProd	(	const EvtVector4C &	c1,
		const EvtVector4R &	c2
	)

Definition at line 340 of file EvtTensor4C.cc.

                                                                   { 
  EvtTensor4C temp;
  int i,j;
  
  for (i=0;i<4;i++) {
    for (j=0;j<4;j++) {
      temp.set(i,j,c1.get(i)*c2.get(j));
    }
  }
  return temp;
}

directProd() [3/3]

EvtTensor4C directProd	(	const EvtVector4R &	c1,
		const EvtVector4R &	c2
	)

Definition at line 353 of file EvtTensor4C.cc.

                                                                   { 
 
  EvtTensor4C temp;
  int i,j;
  
  for (i=0;i<4;i++) {
    for (j=0;j<4;j++) {
      temp.t[i][j]=EvtComplex(c1.get(i)*c2.get(j),0.0);
    }
  }
  return temp;
}

dual()

EvtTensor4C dual

(

const EvtTensor4C &

t2

)

Definition at line 379 of file EvtTensor4C.cc.

                                       { 
  
  EvtTensor4C temp;
  
  temp.set(0,0,EvtComplex(0.0,0.0));
  temp.set(1,1,EvtComplex(0.0,0.0));
  temp.set(2,2,EvtComplex(0.0,0.0));
  temp.set(3,3,EvtComplex(0.0,0.0));
  
  temp.set(0,1,t2.get(3,2)-t2.get(2,3));
  temp.set(0,2,-t2.get(3,1)+t2.get(1,3));
  temp.set(0,3,t2.get(2,1)-t2.get(1,2));
  
  temp.set(1,2,-t2.get(3,0)+t2.get(0,3));
  temp.set(1,3,t2.get(2,0)-t2.get(0,2));
  
  temp.set(2,3,-t2.get(1,0)+t2.get(0,1));
  
  temp.set(1,0,-temp.get(0,1));
  temp.set(2,0,-temp.get(0,2));
  temp.set(3,0,-temp.get(0,3));
  
  temp.set(2,1,-temp.get(1,2));
  temp.set(3,1,-temp.get(1,3));
 
  temp.set(3,2,-temp.get(2,3));
  
  return temp;
  
}

Referenced by EvtbTosllVectorAmp::CalcAmp(), EvtSemiLeptonicTensorAmp::CalcAmp(), EvtSemiLeptonicVectorAmp::CalcAmp(), EvtBHadronic::decay(), EvtKstarnunu::decay(), EvtLNuGamma::decay(), EvtSVPCP::decay(), EvtSVPHelAmp::decay(), EvtTVSPwave::decay(), EvtVSPPwave::decay(), EvtDecayPlaneNormalAngle(), and EvtVector4R::scalartripler3().

operator*() [1/4]

EvtTensor4C operator*	(	const EvtComplex &	c,
		const EvtTensor4C &	t1
	)

Definition at line 281 of file EvtTensor4C.cc.

                                                                {
 
  return EvtTensor4C(t1)*=c;
 
}

operator*() [2/4]

EvtTensor4C operator*	(	const EvtTensor4C &	t1,
		const EvtComplex &	c
	)

Definition at line 275 of file EvtTensor4C.cc.

                                                                {
 
  return EvtTensor4C(t1)*=c;
 
}

operator*() [3/4]

EvtTensor4C operator*	(	const EvtTensor4C &	t1,
		double	d
	)

Definition at line 300 of file EvtTensor4C.cc.

                                                      {
 
  return EvtTensor4C(t1)*=EvtComplex(d,0.0);
 
}

operator*() [4/4]

EvtTensor4C operator*	(	double	d,
		const EvtTensor4C &	t1
	)

Definition at line 306 of file EvtTensor4C.cc.

                                                      {
 
  return EvtTensor4C(t1)*=EvtComplex(d,0.0);
 
}

operator<<()

ostream & operator<<	(	ostream &	s,
		const EvtTensor4C &	t
	)

Definition at line 205 of file EvtTensor4C.cc.

                                                    {
 
  int i,j;
  s<< endl;
  for(i=0;i<4;i++){
    for(j=0;j<4;j++){
      s << t.t[i][j];
    }
   s << endl;
  }
  return s;
}

rotateEuler()

EvtTensor4C rotateEuler	(	const EvtTensor4C &	rs,
		double	alpha,
		double	beta,
		double	gamma
	)

Definition at line 80 of file EvtTensor4C.cc.

                                                  {
 
  EvtTensor4C tmp(rs);
  tmp.applyRotateEuler(alpha,beta,gamma);
  return tmp;
 
}