if(g_mu == 0.){
if(g_use_clover_flag == 1){
void fermion_momenta(double step, double q_off, double q_off2) {  int i,mu;  su3adj *xm,*deriv;  if(g_mu == 0.){    sw_term();     sw_invert(1);  }  deri(q_off,q_off2);   if(g_mu == 0.){    sw_deriv(1);    sw_all();  }#ifdef MPI  xchange_deri();#endif  for(i = 0; i < VOLUME; i++){    for(mu=0;mu<4;mu++){      xm=&moment[i][mu];      deriv=&df0[i][mu];       _minus_const_times_mom(*xm,2.*step,*deriv);       if(g_mu == 0.){	deriv=&dclover[i][mu]; 	_minus_const_times_mom(*xm,-2.*g_ka_csw_8*step,*deriv);       }    }  }}