p->lpf.a = (double)(7 - p->pre_lpf) / 7.0 * 0.9 + 0.05; 
p->lpf.a = 2.0 * ((double)(7 - p->pre_lpf) / 7.0f * 16000.0f + 200.0f) / play_mode->rate; 
void recompute_chorus_status_gs(){	struct chorus_status_t *p = &chorus_status;	if(p->pre_lpf) {		p->lpf.a = (double)(7 - p->pre_lpf) / 7.0 * 0.9 + 0.05;		init_filter_lowpass1(&(p->lpf));	}}
4357	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4357/8bfe4851c8cb5c930066f56a08990138dcc58c7e/readmidi.c/clean/timidity/readmidi.c