Function fir

src/api/cpp/iir.cpp:17–21

namespace af {

array fir(const array& b, const array& x) {
    af_array out = 0;
    AF_THROW(af_fir(&out, b.get(), x.get()));
    return array(out);
}

array iir(const array& b, const array& a, const array& x) {
    af_array out = 0;