87   double freq, freq2, mult;  member
120   chan->freq2 = chan->freq = 440;  in create_channel()
264       chan->freq2 = chan->freq = lsx_parse_frequency_k(argv[argn], &end_ptr, key);  in getopts()
276         chan->freq2 = lsx_parse_frequency_k(end_ptr + 1, &end_ptr, key);  in getopts()
277         if (chan->freq2 < 0) {  in getopts()
290       if (chan->sweep >= Exp && chan->freq * chan->freq2 == 0) {  in getopts()
418           (chan->freq2 - chan->freq) / p->samples_to_do / 2 : 0;  in start()
421            sqrt(fabs(chan->freq2 - chan->freq)) / p->samples_to_do / sqrt(3.) : 0;  in start()
422         if (chan->freq > chan->freq2)  in start()
426           log(chan->freq2 / chan->freq) / p->samples_to_do * effp->in_signal.rate : 1;  in start()
430           (log(chan->freq2) - log(chan->freq)) / p->samples_to_do : 1;  in start()
437         p->samples_to_do, chan->freq, chan->freq2,  in start()