1 //--------------------------------------------------------------------------
4 // This software is part of the EvtGen package developed jointly
5 // for the BaBar and CLEO collaborations. If you use all or part
6 // of it, please give an appropriate acknowledgement.
8 // Copyright Information: See EvtGen/COPYRIGHT
9 // Copyright (C) 1998 Caltech, UCSB
11 // Module: EvtVector3C.cc
13 // Description: Complex 3 vectors.
15 // Modification history:
17 // RYD September 5, 1997 Module created
19 //------------------------------------------------------------------------
21 #include "EvtGenBase/EvtPatches.hh"
24 #include "EvtGenBase/EvtComplex.hh"
25 #include "EvtGenBase/EvtVector3C.hh"
31 EvtVector3C::EvtVector3C(){
33 v[0]=EvtComplex(0.0); v[1]=EvtComplex(0.0); v[2]=EvtComplex(0.0);
36 EvtVector3C::~EvtVector3C(){
42 EvtVector3C::EvtVector3C(const EvtComplex& e1,const EvtComplex& e2,const EvtComplex& e3){
44 v[0]=e1; v[1]=e2; v[2]=e3;
48 EvtVector3C EvtVector3C::cross( const EvtVector3C& p2 ){
50 //Calcs the cross product. Added by djl on July 27, 1995.
54 temp.v[0] = v[1]*p2.v[2] - v[2]*p2.v[1];
55 temp.v[1] = v[2]*p2.v[0] - v[0]*p2.v[2];
56 temp.v[2] = v[0]*p2.v[1] - v[1]*p2.v[0];
61 EvtVector3C rotateEuler(const EvtVector3C& v,
62 double alpha,double beta,double gamma){
65 tmp.applyRotateEuler(alpha,beta,gamma);
71 void EvtVector3C::applyRotateEuler(double phi,double theta,double ksi){
74 double sp,st,sk,cp,ct,ck;
83 temp[0]=( ck*ct*cp-sk*sp)*v[0]+( -sk*ct*cp-ck*sp)*v[1]+st*cp*v[2];
84 temp[1]=( ck*ct*sp+sk*cp)*v[0]+(-sk*ct*sp+ck*cp)*v[1]+st*sp*v[2];
85 temp[2]=-ck*st*v[0]+sk*st*v[1]+ct*v[2];
95 ostream& operator<<(ostream& s,const EvtVector3C& v){
97 s<<"("<<v.v[0]<<","<<v.v[1]<<","<<v.v[2]<<")";