#include <EvtVector4R.hh>
Public Member Functions | |
void | applyBoostTo (const EvtVector3R &boost) |
void | applyBoostTo (const EvtVector4R &p4) |
void | applyRotateEuler (double alpha, double beta, double gamma) |
double | cont (const EvtVector4R &v4) const |
EvtVector4R | cross (const EvtVector4R &v2) |
double | d3mag () const |
double | dot (const EvtVector4R &v2) const |
double | dotr3 (const EvtVector4R &p1, const EvtVector4R &p2) const |
EvtVector4R (double e, double px, double py, double pz) | |
EvtVector4R () | |
double | get (int i) const |
double | mag2r3 (const EvtVector4R &p1) const |
double | magr3 (const EvtVector4R &p1) const |
double | mass () const |
double | mass2 () const |
EvtVector4R & | operator *= (double c) |
EvtVector4R & | operator+= (const EvtVector4R &v2) |
EvtVector4R & | operator-= (const EvtVector4R &v2) |
EvtVector4R & | operator/= (double c) |
EvtVector4R & | operator= (const EvtVector4R &v2) |
double | scalartripler3 (const EvtVector4R &p1, const EvtVector4R &p2, const EvtVector4R &p3) const |
void | set (double e, double px, double py, double pz) |
void | set (int i, double d) |
Private Member Functions | |
double | Square (double x) const |
Private Attributes | |
double | v [4] |
Friends | |
EvtVector4R | boostTo (const EvtVector4R &rs, const EvtVector3R &boost) |
EvtVector4R | boostTo (const EvtVector4R &rs, const EvtVector4R &p4) |
double | operator * (const EvtVector4R &v1, const EvtVector4R &v2) |
EvtVector4R | operator * (const EvtVector4R &v2, double d) |
EvtVector4R | operator * (double d, const EvtVector4R &v2) |
EvtVector4R | operator+ (const EvtVector4R &v1, const EvtVector4R &v2) |
EvtVector4R | operator- (const EvtVector4R &v1, const EvtVector4R &v2) |
EvtVector4R | operator/ (const EvtVector4R &v2, double d) |
std::ostream & | operator<< (std::ostream &s, const EvtVector4R &v) |
EvtVector4R | rotateEuler (const EvtVector4R &rs, double alpha, double beta, double gamma) |
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00047 {}
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00120 { 00121 00122 double bx,by,bz,gamma,b2; 00123 00124 bx=boost.get(0); 00125 by=boost.get(1); 00126 bz=boost.get(2); 00127 00128 double bxx=bx*bx; 00129 double byy=by*by; 00130 double bzz=bz*bz; 00131 00132 b2=bxx+byy+bzz; 00133 00134 00135 if (b2==0.0){ 00136 return; 00137 } 00138 00139 assert(b2<1.0); 00140 00141 gamma=1.0/sqrt(1-b2); 00142 00143 00144 double gb2=(gamma-1.0)/b2; 00145 00146 double gb2xy=gb2*bx*by; 00147 double gb2xz=gb2*bx*bz; 00148 double gb2yz=gb2*by*bz; 00149 00150 double gbx=gamma*bx; 00151 double gby=gamma*by; 00152 double gbz=gamma*bz; 00153 00154 double e2=v[0]; 00155 double px2=v[1]; 00156 double py2=v[2]; 00157 double pz2=v[3]; 00158 00159 v[0]=gamma*e2+gbx*px2+gby*py2+gbz*pz2; 00160 00161 v[1]=gbx*e2+gb2*bxx*px2+px2+gb2xy*py2+gb2xz*pz2; 00162 00163 v[2]=gby*e2+gb2*byy*py2+py2+gb2xy*px2+gb2yz*pz2; 00164 00165 v[3]=gbz*e2+gb2*bzz*pz2+pz2+gb2yz*py2+gb2xz*px2; 00166 00167 return; 00168 00169 }
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00108 { 00109 00110 double e=p4.get(0); 00111 00112 EvtVector3R boost(p4.get(1)/e,p4.get(2)/e,p4.get(3)/e); 00113 00114 applyBoostTo(boost); 00115 00116 return; 00117 00118 }
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00081 { 00082 00083 double sp=sin(phi); 00084 double st=sin(theta); 00085 double sk=sin(ksi); 00086 double cp=cos(phi); 00087 double ct=cos(theta); 00088 double ck=cos(ksi); 00089 00090 double x=( ck*ct*cp-sk*sp)*v[1]+( -sk*ct*cp-ck*sp)*v[2]+st*cp*v[3]; 00091 double y=( ck*ct*sp+sk*cp)*v[1]+(-sk*ct*sp+ck*cp)*v[2]+st*sp*v[3]; 00092 double z=-ck*st*v[1]+sk*st*v[2]+ct*v[3]; 00093 00094 v[1]=x; 00095 v[2]=y; 00096 v[3]=z; 00097 00098 }
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00171 { 00172 00173 //Calcs the cross product. Added by djl on July 27, 1995. 00174 //Modified for real vectros by ryd Aug 28-96 00175 00176 EvtVector4R temp; 00177 00178 temp.v[0] = 0.0; 00179 temp.v[1] = v[2]*p2.v[3] - v[3]*p2.v[2]; 00180 temp.v[2] = v[3]*p2.v[1] - v[1]*p2.v[3]; 00181 temp.v[3] = v[1]*p2.v[2] - v[2]*p2.v[1]; 00182 00183 return temp; 00184 }
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00189 { 00190 double temp; 00191 00192 temp = v[1]*v[1]+v[2]*v[2]+v[3]*v[3]; 00193 00194 temp = sqrt( temp ); 00195 00196 return temp; 00197 } // r3mag
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00199 { 00200 00201 //Returns the dot product of the 3 momentum. Added by 00202 //djl on July 27, 1995. for real!!! 00203 00204 double temp; 00205 00206 temp = v[1]*p2.v[1]; 00207 temp += v[2]*p2.v[2]; 00208 temp += v[3]*p2.v[3]; 00209 00210 return temp; 00211 00212 } //dot
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00230 { 00231 return 1/mass2() * ((*this) * p1) * ((*this) * p2) - p1 * p2; 00232 }
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00178 { 00179 return v[i]; 00180 }
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00243 { 00244 return sqrt(mag2r3(p1)); 00245 }
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00039 { 00040 00041 double m2=v[0]*v[0]-v[1]*v[1]-v[2]*v[2]-v[3]*v[3]; 00042 00043 if (m2>0.0) { 00044 return sqrt(m2); 00045 } 00046 else{ 00047 return 0.0; 00048 } 00049 }
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00135 { 00136 00137 v[0]*=c; 00138 v[1]*=c; 00139 v[2]*=c; 00140 v[3]*=c; 00141 00142 return *this; 00143 }
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00095 { 00096 00097 v[0]+=v2.v[0]; 00098 v[1]+=v2.v[1]; 00099 v[2]+=v2.v[2]; 00100 v[3]+=v2.v[3]; 00101 00102 return *this; 00103 }
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00105 { 00106 00107 v[0]-=v2.v[0]; 00108 v[1]-=v2.v[1]; 00109 v[2]-=v2.v[2]; 00110 v[3]-=v2.v[3]; 00111 00112 return *this; 00113 }
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00145 { 00146 00147 double cinv=1.0/c; 00148 v[0]*=cinv; 00149 v[1]*=cinv; 00150 v[2]*=cinv; 00151 v[3]*=cinv; 00152 00153 return *this; 00154 }
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00085 { 00086 00087 v[0]=v2.v[0]; 00088 v[1]=v2.v[1]; 00089 v[2]=v2.v[2]; 00090 v[3]=v2.v[3]; 00091 00092 return *this; 00093 }
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00219 { 00220 EvtVector4C lc=dual(directProd(*this, p1)).cont2(p2); 00221 EvtVector4R l(real(lc.get(0)), real(lc.get(1)), real(lc.get(2)), 00222 real(lc.get(3))); 00223 00224 return -1.0/mass() * (l * p3); 00225 }
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00182 { 00183 00184 v[i]=d; 00185 }
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00080 { return x*x; }
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00071 { 00072 00073 EvtVector4R tmp(rs); 00074 tmp.applyBoostTo(boost); 00075 return tmp; 00076 00077 }
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00062 { 00063 00064 EvtVector4R tmp(rs); 00065 tmp.applyBoostTo(p4); 00066 return tmp; 00067 00068 }
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00156 { 00157 00158 return v1.v[0]*v2.v[0]-v1.v[1]*v2.v[1]- 00159 v1.v[2]*v2.v[2]-v1.v[3]*v2.v[3]; 00160 }
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00125 { 00126 00127 return EvtVector4R(v2)*=c; 00128 }
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00120 { 00121 00122 return EvtVector4R(v2)*=c; 00123 }
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00173 { 00174 00175 return EvtVector4R(v1)+=v2; 00176 }
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00168 { 00169 00170 return EvtVector4R(v1)-=v2; 00171 }
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00130 { 00131 00132 return EvtVector4R(v2)/=c; 00133 }
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00053 { 00054 00055 EvtVector4R tmp(rs); 00056 tmp.applyRotateEuler(alpha,beta,gamma); 00057 return tmp; 00058 00059 }
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