result := compress(fieldElement(n), uint8(d))
			if result != expected {
				t.Errorf("compress(%d, %d): got %d, expected %d", n, d, result, expected)
			}
		}
	}
}

func DecompressRat(y uint16, d uint8) fieldElement {
	if y >= 1<<d {
		panic("y out of range")
	}
	if d <= 0 || d >= 12 {
		panic("d out of range")
	}