int nrequired = ninput_items[0] - d_taps_per_filter;
int i = 0, count = d_start_count;
- float error = 0;
+ float error;
+ float error_r, error_i;
// produce output as long as we can and there are enough input samples
while((i < noutput_items) && (count < nrequired)) {
// FIXME: prevent this from asserting
- assert(filtnum < d_nfilters);
+ assert(d_filtnum < d_nfilters);
out[i] = d_filters[d_filtnum]->filter(&in[count]);
- error = (out[i] * d_diff_filters[d_filtnum]->filter(&in[count])).real();
+ error_r = out[i].real() * d_diff_filters[d_filtnum]->filter(&in[count]).real();
+ error_i = out[i].imag() * d_diff_filters[d_filtnum]->filter(&in[count]).imag();
+ error = error_i + error_r;
d_k = d_k + d_alpha*error + d_rate;
d_rate = d_rate + d_beta*error;