Functions
double	delta_eta (double eta1, double eta2)

double	delta_phi (double ph11, double phi2)

double	delta_R (double eta1, double phi1, double eta2, double phi2)

double	eta (double x, double y, double z)

double	eta (double xyz1[3], double xyz2[3])

double	eta (float xyz1[3], float xyz2[3])

double	eta (double th)

double	phi (double x, double y)

double	phi (double xy1[2], double xy2[2])

double	phi (float xy1[2], float xy2[2])

double	signed_delta_phi (double ph11, double phi2)

double	tanl_from_theta (double theta)

double	theta (double x, double y, double z)

double	theta (double xyz1[3], double xyz2[3])

double	theta (float xyz1[3], float xyz2[3])

double	theta (double etap)

double	theta_from_tanl (double tanl)

void	uvectors (double u[3], double xyz1[3], double xyz2[3])

void	uvectors (float u[3], float xyz1[3], float xyz2[3])

double	y (double E, double pz)

Variables
const float	EPSILON =1.E-10

const float	ETA_LIMIT =15.0

const double	PI =2.0*acos(0.)

const double	TWOPI =2.0*PI

Function Documentation

double kinem::delta_eta	(	double	eta1,
		double	eta2
	)

inline

Definition at line 98 of file AnglesUtil.h.

Referenced by ConversionProducer::getMatchedBC(), MuonHOAcceptance::inNotDeadGeom(), MuonHOAcceptance::inSiPMGeom(), ConversionProducer::matchingSC(), SimG4HcalHitJetFinder::rDist(), L1MuGMTLFMatchQualLUT::SpecificLookup(), L1MuGMTLFMatchQualLUT::SpecificLookup_mq(), L1MuGMTLFCOUDeltaEtaLUT::TheLookupFunction(), and L1MuGMTLFDeltaEtaLUT::TheLookupFunction().

 {
   return eta1 - eta2;
 }

double kinem::delta_phi	(	double	ph11,
		double	phi2
	)

inline

Definition at line 91 of file AnglesUtil.h.

References PHI, PI, and TWOPI.

Referenced by CSCSectorReceiverLUT::calcGlobalPhiME(), ConversionLikelihoodCalculator::calculateLikelihood(), delta_R(), ConversionProducer::getMatchedBC(), MuonHOAcceptance::inGeomAccept(), MuonHOAcceptance::inNotDeadGeom(), MuonHOAcceptance::inSiPMGeom(), L1MuGMTMatcher::lookup_mq(), ConversionProducer::matchingSC(), SimG4HcalHitJetFinder::rDist(), L1MuGMTLFMatchQualLUT::SpecificLookup(), and L1MuGMTLFMatchQualLUT::SpecificLookup_mq().

 {
   double PHI=fabs(phi1-phi2);
   return (PHI<=PI)? PHI : kinem::TWOPI-PHI;
 }

double kinem::delta_R	(	double	eta1,
		double	phi1,
		double	eta2,
		double	phi2
	)

inline

Definition at line 116 of file AnglesUtil.h.

References delta_phi(), and mathSSE::sqrt().

Referenced by EnergyScaleAnalyzer::analyze(), EnergyScaleAnalyzer::fillTree(), and CosmicRegionalSeedGenerator::regions().

 {
    double deta = eta1-eta2;
    double dphi = kinem::delta_phi(phi1,phi2);
    return sqrt(deta*deta + dphi*dphi);
 }

double kinem::eta	(	double	x,
		double	y,
		double	z
	)

inline

Definition at line 168 of file AnglesUtil.h.

References EPSILON, log, and mathSSE::sqrt().

 {
   return 0.5*log((sqrt(x*x + y*y + z*z) + z + EPSILON) / 
                  (sqrt(x*x + y*y + z*z) - z + EPSILON));
 }

double kinem::eta	(	double	xyz1[3],
		double	xyz2[3]
	)

inline

Definition at line 152 of file AnglesUtil.h.

References eta(), x, detailsBasic3DVector::y, and detailsBasic3DVector::z.

 {
   double x=xyz2[0]-xyz1[0];
   double y=xyz2[1]-xyz1[1];
   double z=xyz2[2]-xyz1[2];
   return eta(x, y, z);
 }

double kinem::eta	(	float	xyz1[3],
		float	xyz2[3]
	)

inline

Definition at line 161 of file AnglesUtil.h.

References eta().

                                              {
     double dxyz1[3]={xyz1[0],xyz1[1],xyz1[2]};
     double dxyz2[3]={xyz2[0],xyz2[1],xyz2[2]};
     return eta(dxyz1,dxyz2);
 }

double kinem::eta ( double th )

inline

Definition at line 175 of file AnglesUtil.h.

References ETA_LIMIT, log, PI, and funct::tan().

 {
   if(th == 0) return ETA_LIMIT;
   if(th >= PI-0.0001) return -ETA_LIMIT;
   return -log(tan(th/2.0));
 }

double kinem::phi	(	double	x,
		double	y
	)

inline

Definition at line 69 of file AnglesUtil.h.

References PHI, and TWOPI.

 {
   double PHI=atan2(y, x);
   return (PHI>=0)? PHI : kinem::TWOPI+PHI;
 }

double kinem::phi	(	double	xy1[2],
		double	xy2[2]
	)

inline

Definition at line 83 of file AnglesUtil.h.

References phi, x, and detailsBasic3DVector::y.

 {
   double x=xy2[0]-xy1[0];
   double y=xy2[1]-xy1[1];
   return phi(x, y);
 }

double kinem::phi	(	float	xy1[2],
		float	xy2[2]
	)

inline

Definition at line 76 of file AnglesUtil.h.

References phi.

                                            {
     double dxy1[2]={xy1[0],xy1[1]};
     double dxy2[2]={xy2[0],xy2[1]};
     return phi(dxy1,dxy2);
   }

double kinem::signed_delta_phi	(	double	ph11,
		double	phi2
	)

inline

Definition at line 104 of file AnglesUtil.h.

References PI, and TWOPI.

 {
   double phia=phi1;
   if(phi1>PI) phia=phi1-kinem::TWOPI;
   double phib=phi2;
   if(phi2>PI) phib=phi2-kinem::TWOPI;
   double dphi=phia-phib;
   if(dphi>PI) dphi-=kinem::TWOPI;
   if(dphi<-PI) dphi+=kinem::TWOPI;
   return dphi;
 }

double kinem::tanl_from_theta ( double theta )

inline

Definition at line 217 of file AnglesUtil.h.

References PI, and funct::tan().

                                          {
   return tan(PI/2.0 - theta);
 }

double kinem::theta	(	double	x,
		double	y,
		double	z
	)

inline

Definition at line 140 of file AnglesUtil.h.

References mathSSE::sqrt().

 {
   return atan2(sqrt(x*x + y*y), z);
 }

double kinem::theta	(	double	xyz1[3],
		double	xyz2[3]
	)

inline

Definition at line 124 of file AnglesUtil.h.

References theta(), x, detailsBasic3DVector::y, and detailsBasic3DVector::z.

 {
   double x=xyz2[0]-xyz1[0];
   double y=xyz2[1]-xyz1[1];
   double z=xyz2[2]-xyz1[2];
   return theta(x, y, z);
 }

double kinem::theta	(	float	xyz1[3],
		float	xyz2[3]
	)

inline

Definition at line 133 of file AnglesUtil.h.

References theta().

                                                {
     double dxyz1[3]={xyz1[0],xyz1[1],xyz1[2]};
     double dxyz2[3]={xyz2[0],xyz2[1],xyz2[2]};
     return theta(dxyz1,dxyz2);
 }

double kinem::theta ( double etap )

inline

Definition at line 146 of file AnglesUtil.h.

References create_public_lumi_plots::exp.

 {
   return 2.0*atan(exp(-etap));
 }

double kinem::theta_from_tanl ( double tanl )

inline

Definition at line 222 of file AnglesUtil.h.

References PI.

                                         {
   return PI/2.0 - atan(tanl);
 }

void kinem::uvectors	(	double	u[3],
		double	xyz1[3],
		double	xyz2[3]
	)

inline

Definition at line 189 of file AnglesUtil.h.

References alignCSCRings::s, and mathSSE::sqrt().

Referenced by uvectors().

                                                                {
   double xdiff=xyz2[0]-xyz1[0];
   double ydiff=xyz2[1]-xyz1[1];
   double zdiff=xyz2[2]-xyz1[2];
   double s=sqrt(xdiff*xdiff+ydiff*ydiff+zdiff*zdiff);
   if(s > 0) {
     u[0]=xdiff/s;
     u[1]=ydiff/s;
     u[2]=zdiff/s;
   }else{
     u[0]=0;
     u[1]=0;
     u[2]=0;
   }
 }

void kinem::uvectors	(	float	u[3],
		float	xyz1[3],
		float	xyz2[3]
	)

inline

Definition at line 206 of file AnglesUtil.h.

References uvectors().

                                                             {
     double du[3];
     double dxyz1[3]={xyz1[0],xyz1[1],xyz1[2]};
     double dxyz2[3]={xyz2[0],xyz2[1],xyz2[2]};
     uvectors(du,dxyz1,dxyz2);
     u[0]=du[0];
     u[1]=du[1];
     u[2]=du[2];
 }

double kinem::y	(	double	E,
		double	pz
	)

inline

Definition at line 183 of file AnglesUtil.h.

References EPSILON, and log.

 {
   return 0.5 * log ((E+pz+EPSILON)/(E-pz+EPSILON));
 }

Variable Documentation

const float kinem::EPSILON =1.E-10

Definition at line 23 of file AnglesUtil.h.

Referenced by eta(), MSLayersAtAngle::findLayer(), and y().

const float kinem::ETA_LIMIT =15.0

Definition at line 22 of file AnglesUtil.h.

Referenced by eta().

const double kinem::PI =2.0*acos(0.)

Definition at line 20 of file AnglesUtil.h.

const double kinem::TWOPI =2.0*PI

Definition at line 21 of file AnglesUtil.h.

Referenced by delta_phi(), phi(), and signed_delta_phi().

Functions

Variables

Function Documentation

Variable Documentation