log_rn takes only double precision values, change log_rn(float()) to log_rn(dble())
log_rn takes only double precision values, change log_rn(float()) to log_rn(dble())

SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack,SixTrack/SixTrack