`scipy.stats._distn_infrastructure:_sum_finite`

Signature

def _sum_finite(x)

For a 1D array x, return a tuple containing the sum of the finite values of x and the number of nonfinite values.

This is a utility function used when evaluating the negative loglikelihood for a distribution and an array of samples.

import numpy as np
from scipy.stats._distn_infrastructure import _sum_finite
tot, nbad = _sum_finite(np.array([-2, -np.inf, 5, 1]))

✓

tot
nbad

✗

np.int64(1)