please write comments for each line of this C++ programme

Write comments for each line of this C++ program: 1. void virknesRL::modelet(double ts, double tb, double st) 2. \{ 3. int n=0; 4. double t; 5. Z=sqrt(R>RRPR+pow(L>XL(E>f),2)); 6. fi=asin(R>R/Z) 7. for (t=ts;te[n]=E>Usin(2MPE>Pt); 10. E>it[n]=(E>U/Z)sin(2MPE>ft+fi); 11. If (R!=NLL)Rit[n]=E>it[n]; 12. if (LLENULL) Lit[n]=E>it[n]; 14. If (L!=NULL)Lut[n]=(EU/Z)LXL(E>f)sin(2M * PE>t+MPI/2); 15. \} 16. }