code: def _linalg_cho_factor(A, rho, lower=False, check_finite=True):
      
  
      N, M = A.shape
      if N >= M:
          c, lwr = _cho_factor(
              A.T.dot(A) + rho * cp.identity(M, dtype=A.dtype), lower=lower,
              check_finite=check_finite)
      else:
          c, lwr = _cho_factor(
              A.dot(A.T) + rho * cp.identity(N, dtype=A.dtype), lower=lower,
              check_finite=check_finite)
      return c, lwr
docs: Patched version of :func:`sporco.linalg.cho_factor`.