Function naive_match

tests/test_motifs.py:119–146

(
    Q,
    T,
    excl_zone,
    max_distance,
    max_matches=None,
    T_subseq_isconstant=None,
    Q_subseq_isconstant=None,
)

def naive_match(
    Q,
    T,
    excl_zone,
    max_distance,
    max_matches=None,
    T_subseq_isconstant=None,
    Q_subseq_isconstant=None,
):
    # Q_subseq_isconstant is a boolean array of size 1
    # this does not support multi-dim T, and Q

    m = Q.shape[0]
    T_subseq_isconstant = naive.rolling_isconstant(T, m, T_subseq_isconstant)
    Q_subseq_isconstant = naive.rolling_isconstant(Q, m, Q_subseq_isconstant)[0]

    D = naive.distance_profile(Q, T, m)
    D[np.isnan(D)] = np.inf
    for i in range(len(D)):
        if np.isfinite(D[i]):
            if T_subseq_isconstant[i] and Q_subseq_isconstant:
                D[i] = 0
            elif T_subseq_isconstant[i] or Q_subseq_isconstant:
                D[i] = np.sqrt(m)
            else:  # pragma: no cover
                pass

    return naive.find_matches(D, excl_zone, max_distance, max_matches)


test_data = [