58 fMassCof = particleMass*particleMass ;
70 G4double pSquared = y[3]*y[3] + y[4]*y[4] + y[5]*y[5] ;
75 G4double pModuleInverse = 1.0/std::sqrt(pSquared) ;
81 dydx[0] = y[3]*pModuleInverse ;
82 dydx[1] = y[4]*pModuleInverse ;
83 dydx[2] = y[5]*pModuleInverse ;
85 dydx[3] = cof1*(cof2*Field[3] + (y[4]*Field[2] - y[5]*Field[1])) ;
87 dydx[4] = cof1*(cof2*Field[4] + (y[5]*Field[0] - y[3]*Field[2])) ;
89 dydx[5] = cof1*(cof2*Field[5] + (y[3]*Field[1] - y[4]*Field[0])) ;
95 dydx[7] = inverse_velocity;