54 static void hamming_window(fftdata *ham, int win_len);
170   channel->prebuff = (fftdata *) CALLOC(freqobj->window_length + 1,  in setup_channel_object()
171                      sizeof(fftdata), "cfront.prebuff");  in setup_channel_object()
172   channel->prerefbuff = (fftdata *) CALLOC(freqobj->window_length + 1,  in setup_channel_object()
173                         sizeof(fftdata), "cfront.prerefbuff");  in setup_channel_object()
256   memset(channel->prebuff, 0x00, channel->buff_size * sizeof(fftdata));  in reset_channel_object()
257   memset(channel->prerefbuff, 0x00, channel->buff_size * sizeof(fftdata));  in reset_channel_object()
396   freqobj->peakpickup = (fftdata) fixed_point_convert(t, COEFDATA_SHIFT);  in setup_freq_object()
400   freqobj->peakpickdown = (fftdata) fixed_point_convert(t, COEFDATA_SHIFT);  in setup_freq_object()
413   freqobj->fc[-1] = (fftdata) freqobj->low_cut;                        /* 1st channel at cutoff */  in setup_freq_object()
416     freqobj->fc[freqobj->nf] = (fftdata)(100 * i);          /* 100 Hz */  in setup_freq_object()
420     freqobj->fc[freqobj->nf] = (fftdata) fixed_round(f);        /* 10 % */  in setup_freq_object()
426   freqobj->fc[freqobj->nf] = (fftdata) high_cut;  in setup_freq_object()
427   freqobj->fc[freqobj->nf+1] = (fftdata) high_cut;  in setup_freq_object()
440     freqobj->fcscl[i+1] = (fftdata) 0.0;  in setup_freq_object()
444 …freqobj->framp[j] = (fftdata) fixed_point_convert(t, RAMP_SHIFT); /* scale it up by 12 bits, (16 -…  in setup_freq_object()
445 …freqobj->fcscl[i] += (fftdata) SHIFT_UP(1, RAMP_SHIFT) - freqobj->framp[j];    /* scale it up by 1…  in setup_freq_object()
468   freqobj->ham = (fftdata *) CALLOC(freqobj->window_length + 1,  in setup_freq_object()
469                                           sizeof(fftdata), "cfront.ham");  in setup_freq_object()
490 static void hamming_window(fftdata *ham, int win_len)  in hamming_window()
502     ham[i] = (fftdata) fixed_point_convert((float)coef,  in hamming_window()