y = array_ops.placeholder(dtypes.float32, shape=[2, 2], name='y')
  for _ in range(3):
    x0, x1 = array_ops.split(x, 2, 0)
    y0, y1 = array_ops.split(y, 2, 0)
    x0 += 1
    y0 += 1
    z = math_ops.matmul(x, y, name='x_y_prod')
    a = array_ops.concat([x0, y1], axis=0, name='concat_x0_y1')
    b = array_ops.concat([y0, x1], axis=0, name='concat_y0_x1')
    x = math_ops.matmul(a, b, name='a_b')
    y = math_ops.add(x, z)

        hkiG9w0BAQsFAAOCAgEAVR9YqbyyqFDQDLHYGmkgJykIrGF1XIpu+ILlaS/V9lZL
        ubhzEFnTIZd+50xx+7LSYK05qAvqFyFWhfFQDlnrzuBZ6brJFe+GnY+EgPbk6ZGQ
        3BebYhtF8GaV0nxvwuo77x/Py9auJ/GpsMiu/X1+mvoiBOv/2X/qkSsisRcOj/KK
        NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5
        ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur

viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect fill="none" stroke="#000" width="13" height="17" x="3.5" y="1.5"/><line fill="none" stroke="#000" x1="6" x2="12" y1="12.5" y2="12.5"/><line fill="none" stroke="#000" x1="6" x2="14" y1="8.5" y2="8.5"/><line fill="none" stroke="#000" x1="6" x2="14" y1="6.5" y2="6.5"/><line fill="none" stroke="#000" x1="6" x2="14" y1="10.5" y2="10.5"/></svg>',file:'<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect fill="none" stroke="#000"...

				r := rand.New(rand.NewSource(rand.Int63()))
				expected := true
			loop:
				for j := 0; j < N; j++ {
					x := test[r.Intn(len(test))]
					v.Store(x)
					x = v.Load()
					for _, x1 := range test {
						if x == x1 {
							continue loop
						}
					}
					t.Logf("loaded unexpected value %+v, want %+v", x, test)
					expected = false
					break
				}
				done <- expected
			}()
		}

	case intVal:
		switch x1 := x.(type) {
		case int64Val:
			return i64toi(x1), y
		}
	case ratVal:
		switch x1 := x.(type) {
		case int64Val:
			return i64tor(x1), y
		case intVal:
			return itor(x1), y
		}
	case floatVal:
		switch x1 := x.(type) {
		case int64Val:
			return i64tof(x1), y
		case intVal:
			return itof(x1), y
		case ratVal:

func (z *Int) And(x, y *Int) *Int {
	if x.neg == y.neg {
		if x.neg {
			// (-x) & (-y) == ^(x-1) & ^(y-1) == ^((x-1) | (y-1)) == -(((x-1) | (y-1)) + 1)
			x1 := nat(nil).sub(x.abs, natOne)
			y1 := nat(nil).sub(y.abs, natOne)
			z.abs = z.abs.add(z.abs.or(x1, y1), natOne)
			z.neg = true // z cannot be zero if x and y are negative
			return z
		}

		// x & y == x & y
		z.abs = z.abs.and(x.abs, y.abs)

func invalidSep(x string) int {
	x1 := ' ' // prefix char, we only care if it's 'x'
	d := '.'  // digit, one of '_', '0' (a digit), or '.' (anything else)
	i := 0

	// a prefix counts as a digit
	if len(x) >= 2 && x[0] == '0' {
		x1 = lower(rune(x[1]))
		if x1 == 'x' || x1 == 'o' || x1 == 'b' {
			d = '0'
			i = 2
		}
	}

	// mantissa and exponent

    // We also want to adjust vb.baseVal.x so that u.x remains at same
    // screen X coordinate.  In other words, want to change it from x1 to x2
    // so that:
    //     (u.x - x1) / w1 = (u.x - x2) / w2
    // Simplifying that, we get
    //     (u.x - x1) * (w2 / w1) = u.x - x2
    //     x2 = u.x - (u.x - x1) * (w2 / w1)
    vb.baseVal.x = u.x - (u.x - vb.baseVal.x) * (w2 / w1);
    vb.baseVal.y = u.y - (u.y - vb.baseVal.y) * (h2 / h1);
  }

		h     uint64
		i, i1 float32
		j, j1 float64
		k     unsafe.Pointer
		l     *uint16
		m     [4]byte
	)
	type x1t struct {
		x uint8
	}
	type y1t struct {
		x1 x1t
		y  uint8
	}
	var x1 x1t
	var y1 y1t

	if unsafe.Sizeof(a) != 1 {
		throw("bad a")
	}
	if unsafe.Sizeof(b) != 1 {
		throw("bad b")
	}
	if unsafe.Sizeof(c) != 2 {
		throw("bad c")
	}

	F4:   "F4",
	F5:   "F5",
	F6:   "F6",
	F7:   "F7",
	M0:   "M0",
	M1:   "M1",
	M2:   "M2",
	M3:   "M3",
	M4:   "M4",
	M5:   "M5",
	M6:   "M6",
	M7:   "M7",
	X0:   "X0",
	X1:   "X1",
	X2:   "X2",
	X3:   "X3",
	X4:   "X4",
	X5:   "X5",
	X6:   "X6",
	X7:   "X7",
	X8:   "X8",
	X9:   "X9",
	X10:  "X10",
	X11:  "X11",
	X12:  "X12",
	X13:  "X13",
	X14:  "X14",