_sourcetracker.py 文件源码

def validate_gibbs_parameters(alpha1, alpha2, beta, restarts,
                              draws_per_restart, burnin, delay):
    '''Return `True` if params numerically acceptable. See `gibbs` for docs.'''
    real_vals = [alpha1, alpha2, beta]
    int_vals = [restarts, draws_per_restart, burnin, delay]
    # Check everything is real.
    if all(np.isreal(val) for val in real_vals + int_vals):
        # Check that integer values are some type of int.
        int_check = all(isinstance(val, (int, np.int32, np.int64)) for val in
                        int_vals)
        # All integer values must be > 0.
        pos_int = all(val > 0 for val in int_vals)
        # All real values must be non-negative.
        non_neg = all(val >= 0 for val in real_vals)
        return int_check and pos_int and non_neg and real_vals
    else:  # Failed to be all numeric values.
        False