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 th)

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	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 etap)

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_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

◆ delta_eta()

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

inline

Definition at line 89 of file AnglesUtil.h.

89 { return eta1 - eta2; }

References HLT_FULL_cff::eta1, and HLT_FULL_cff::eta2.

◆ delta_phi()

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

inline

Definition at line 84 of file AnglesUtil.h.

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

References PHI, and TWOPI.

Referenced by delta_R().

◆ delta_R()

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

inline

Definition at line 106 of file AnglesUtil.h.

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

References delta_phi(), HLT_FULL_cff::eta1, HLT_FULL_cff::eta2, and mathSSE::sqrt().

Referenced by EnergyScaleAnalyzer::analyze(), external::HEPTopTaggerV2_fixed_R::djademod(), EnergyScaleAnalyzer::fillTree(), and CosmicRegionalSeedGenerator::regions().

◆ eta() [1/4]

double kinem::eta ( double th )

inline

Definition at line 146 of file AnglesUtil.h.

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

References ETA_LIMIT, dqm-mbProfile::log, and funct::tan().

Referenced by eta().

◆ eta() [2/4]

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

inline

Definition at line 142 of file AnglesUtil.h.

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

References EPSILON, dqm-mbProfile::log, mathSSE::sqrt(), genVertex_cff::x, y(), and detailsBasic3DVector::z.

◆ eta() [3/4]

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

inline

Definition at line 129 of file AnglesUtil.h.

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

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

◆ eta() [4/4]

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

inline

Definition at line 136 of file AnglesUtil.h.

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

References eta().

◆ phi() [1/3]

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

inline

Definition at line 67 of file AnglesUtil.h.

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

References PHI, TWOPI, genVertex_cff::x, and y().

◆ phi() [2/3]

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

inline

Definition at line 78 of file AnglesUtil.h.

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

References phi(), genVertex_cff::x, and y().

◆ phi() [3/3]

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

inline

Definition at line 72 of file AnglesUtil.h.

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

Referenced by phi().

◆ signed_delta_phi()

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

inline

Definition at line 91 of file AnglesUtil.h.

                                                               {
   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;
 }

References TWOPI.

◆ tanl_from_theta()

double kinem::tanl_from_theta ( double theta )

inline

Definition at line 182 of file AnglesUtil.h.

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

References funct::tan(), and theta().

◆ theta() [1/4]

double kinem::theta ( double etap )

inline

Definition at line 127 of file AnglesUtil.h.

127 { return 2.0 * atan(exp(-etap)); }

References JetChargeProducer_cfi::exp.

Referenced by tanl_from_theta(), and theta().

◆ theta() [2/4]

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

inline

Definition at line 125 of file AnglesUtil.h.

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

References mathSSE::sqrt(), genVertex_cff::x, y(), and detailsBasic3DVector::z.

◆ theta() [3/4]

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

inline

Definition at line 112 of file AnglesUtil.h.

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

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

◆ theta() [4/4]

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

inline

Definition at line 119 of file AnglesUtil.h.

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

References theta().

◆ theta_from_tanl()

double kinem::theta_from_tanl ( double tanl )

inline

Definition at line 184 of file AnglesUtil.h.

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

◆ uvectors() [1/2]

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

inline

Definition at line 156 of file AnglesUtil.h.

                                                                        {
   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;
   }
 }

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

◆ uvectors() [2/2]

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

inline

Definition at line 172 of file AnglesUtil.h.

                                                                     {
   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];
 }

◆ y()

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

inline

Definition at line 154 of file AnglesUtil.h.

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

References EPSILON, and dqm-mbProfile::log.

Referenced by eta(), phi(), and theta().

Variable Documentation

◆ EPSILON

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

Definition at line 22 of file AnglesUtil.h.

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

◆ ETA_LIMIT

const float kinem::ETA_LIMIT = 15.0

Definition at line 21 of file AnglesUtil.h.

Referenced by eta().

◆ PI

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

Definition at line 19 of file AnglesUtil.h.

◆ TWOPI

const double kinem::TWOPI = 2.0 * PI

Definition at line 20 of file AnglesUtil.h.

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

Functions

Variables

Function Documentation

◆ delta_eta()

◆ delta_phi()

◆ delta_R()

◆ eta() [1/4]

◆ eta() [2/4]

◆ eta() [3/4]

◆ eta() [4/4]

◆ phi() [1/3]

◆ phi() [2/3]

◆ phi() [3/3]

◆ signed_delta_phi()

◆ tanl_from_theta()

◆ theta() [1/4]

◆ theta() [2/4]

◆ theta() [3/4]

◆ theta() [4/4]

◆ theta_from_tanl()

◆ uvectors() [1/2]

◆ uvectors() [2/2]

◆ y()

Variable Documentation

◆ EPSILON

◆ ETA_LIMIT

◆ PI

◆ TWOPI