/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Generator/BesEvtGen/BesEvtGen-00-03-58/src/EvtGen/EvtGenBase/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)

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Function Documentation

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

Definition at line 98 of file EvtTensor4C.cc.

                                            {

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

}

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

Definition at line 89 of file EvtTensor4C.cc.

                                         {

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

}

EvtTensor4C conj

(

const EvtTensor4C &

t2

)

Definition at line 411 of file EvtTensor4C.cc.

References conj(), EvtTensor4C::get(), genRecEmupikp::i, ganga-rec::j, and subSeperate::temp.

                                        { 
  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;
}

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

Definition at line 312 of file EvtTensor4C.cc.

References genRecEmupikp::i, ganga-rec::j, and EvtTensor4C::t.

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

                                                            {

  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;
}

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

Definition at line 443 of file EvtTensor4C.cc.

References EvtTensor4C::get(), genRecEmupikp::i, ganga-rec::j, and subSeperate::temp.

                                                               { 
  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;
}

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

Definition at line 426 of file EvtTensor4C.cc.

References EvtTensor4C::get(), genRecEmupikp::i, ganga-rec::j, and subSeperate::temp.

                                                               { 
  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;
}

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

Definition at line 353 of file EvtTensor4C.cc.

References EvtVector4R::get(), genRecEmupikp::i, ganga-rec::j, and subSeperate::temp.

                                                                   { 

  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;
}

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;
}

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;
}

EvtTensor4C dual

(

const EvtTensor4C &

t2

)

Definition at line 379 of file EvtTensor4C.cc.

References EvtTensor4C::get(), and subSeperate::temp.

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

                                       { 
  
  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;
  
}

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

Definition at line 306 of file EvtTensor4C.cc.

                                                      {

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

}

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

Definition at line 300 of file EvtTensor4C.cc.

                                                      {

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

}

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

Definition at line 281 of file EvtTensor4C.cc.

                                                                {

  return EvtTensor4C(t1)*=c;

}

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

Definition at line 275 of file EvtTensor4C.cc.

                                                                {

  return EvtTensor4C(t1)*=c;

}

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

Definition at line 205 of file EvtTensor4C.cc.

References genRecEmupikp::i, ganga-rec::j, and t().

                                                    {

  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;
}

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;

}

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