b, exp, f, f, math.Ldexp(float64(b), exp), r)
					}

					checkNonLossyRoundtrip32(t, f)
				}
			}
		}
	}
}

func TestFloat64Distribution(t *testing.T) {
	// Generate a distribution of (sign, mantissa, exp) values
	// broader than the float64 range, and check Rat.Float64()
	// always picks the closest float64 approximation.
	var add = []int64{
		0,