execute method
Implementation
Float32List execute(Float32List input) {
if (input.length != inputLen) {
throw ArgumentError('input length ${input.length} != inputLen $inputLen');
}
final r = res;
r.input.asTypedList(n).setAll(0, input);
yl_fft_autocorr(r.plan, r.input, inputLen, r.xcorr, inputLen, 0);
final xcorr = Float32List.fromList(r.xcorr.asTypedList(inputLen));
return xcorr;
}