| import numpy as np | |
| def have_fenv() -> bool: ... | |
| def random_double(size: int, rng: np.random.RandomState) -> np.float64: ... | |
| def test_add_round(size: int, mode: str, rng: np.random.RandomState): ... | |
| def _dd_exp(xhi: float, xlo: float) -> tuple[float, float]: ... | |
| def _dd_log(xhi: float, xlo: float) -> tuple[float, float]: ... | |
| def _dd_expm1(xhi: float, xlo: float) -> tuple[float, float]: ... | |