99, 99, 99, 99, 99, 99, 99, 99,
	},
}

func TestUnscaledQuant(t *testing.T) {
	bad := false
	for i := quantIndex(0); i < nQuantIndex; i++ {
		for zig := 0; zig < blockSize; zig++ {
			got := unscaledQuant[i][zig]
			want := unscaledQuantInNaturalOrder[i][unzig[zig]]
			if got != want {
				t.Errorf("i=%d, zig=%d: got %d, want %d", i, zig, got, want)
				bad = true
			}
		}
	}
	if bad {

const (
	quantIndexLuminance quantIndex = iota
	quantIndexChrominance
	nQuantIndex
)

// unscaledQuant are the unscaled quantization tables in zig-zag order. Each
// encoder copies and scales the tables according to its quality parameter.
// The values are derived from section K.1 after converting from natural to
// zig-zag order.
var unscaledQuant = [nQuantIndex][blockSize]byte{
	// Luminance.
	{
		16, 11, 12, 14, 12, 10, 16, 14,