test_random.py 文件源码

def test_rng_zero_and_extremes(self):
        for dt in self.itype:
            lbnd = 0 if dt is np.bool_ else np.iinfo(dt).min
            ubnd = 2 if dt is np.bool_ else np.iinfo(dt).max + 1
            tgt = ubnd - 1
            assert_equal(self.rfunc(tgt, tgt + 1, size=1000, dtype=dt), tgt)
            tgt = lbnd
            assert_equal(self.rfunc(tgt, tgt + 1, size=1000, dtype=dt), tgt)
            tgt = (lbnd + ubnd)//2
            assert_equal(self.rfunc(tgt, tgt + 1, size=1000, dtype=dt), tgt)