func tocplx(v constant.Value) constant.Value {
	return constant.ToComplex(v)
}

func toflt(v constant.Value) constant.Value {
	if v.Kind() == constant.Complex {
		v = constant.Real(v)
	}

	return constant.ToFloat(v)
}

func toint(v constant.Value) constant.Value {
	if v.Kind() == constant.Complex {
		v = constant.Real(v)
	}

	if v := constant.ToInt(v); v.Kind() == constant.Int {
		return v
	}

  func.return %0 : tensor<4xcomplex<f32>>
}

func.func @complex128() -> tensor<4xcomplex<f64>> {
  // CHECK-LABEL: @complex128

  func.return %0 : tensor<4xcomplex<f32>>
}

func.func @complex128() -> tensor<4xcomplex<f64>> {
  // CHECK-LABEL: @complex128

			t.Errorf("did not expect float for %q", test.text)
		}
		if test.isComplex {
			if !n.IsComplex {
				t.Errorf("expected complex for %q", test.text)
			}
			if n.Complex128 != test.complex128 {
				t.Errorf("complex128 for %q should be %g Is %g", test.text, test.complex128, n.Complex128)
			}
		} else if n.IsComplex {
			t.Errorf("did not expect complex for %q", test.text)
		}
	}
}

type parseTest struct {

	}

	if !t.ChanDir().CanSend() {
		base.Errorf("invalid operation: %v (cannot close receive-only channel)", n)
		n.SetType(nil)
		return n
	}
	return n
}

// tcComplex typechecks an OCOMPLEX node.
func tcComplex(n *ir.BinaryExpr) ir.Node {
	l := Expr(n.X)
	r := Expr(n.Y)
	if l.Type() == nil || r.Type() == nil {
		n.SetType(nil)
		return n
	}
	l, r = defaultlit2(l, r, false)

		t: func() {
			c := complex64(complex(float32(1.01), float32(1.01)))
			for i := 0; i < mods; i++ {
				c = complex(real(c)*1.01, imag(c)*1.01)
				runtime.Gosched()
			}
		},
		pointerT: func() {
			a := func() *complex64 { return new(complex64) }()
			*a = complex64(complex(float32(1.01), float32(1.01)))
			for i := 0; i < mods; i++ {
				*a *= complex(real(*a)*1.01, imag(*a)*1.01)
				runtime.Gosched()

	{"complex", `_ = complex(1, 0)`, `invalid type`}, // constant
	{"complex", `var re float32; _ = complex(re, 1.0)`, `func(float32, float32) complex64`},
	{"complex", `var im float64; _ = complex(1, im)`, `func(float64, float64) complex128`},
	{"complex", `type F32 float32; var re, im F32; _ = complex(re, im)`, `func(p.F32, p.F32) complex64`},

				return false
			}
			return true
		}) {
			return
		}
		x.mode = novalue
		if check.recordTypes() {
			check.recordBuiltinType(call.Fun, makeSig(nil, x.typ))
		}

	case _Complex:
		// complex(x, y floatT) complexT
		y := args[1]

		// convert or check untyped arguments
		d := 0
		if isUntyped(x.typ) {
			d |= 1
		}
		if isUntyped(y.typ) {
			d |= 2
		}
		switch d {

				return false
			}
			return true
		}) {
			return
		}
		x.mode = novalue
		if check.recordTypes() {
			check.recordBuiltinType(call.Fun, makeSig(nil, x.typ))
		}

	case _Complex:
		// complex(x, y floatT) complexT
		y := args[1]

		// convert or check untyped arguments
		d := 0
		if isUntyped(x.typ) {
			d |= 1
		}
		if isUntyped(y.typ) {
			d |= 2
		}
		switch d {

	{"complex", `_ = complex(1, 0)`, `invalid type`}, // constant
	{"complex", `var re float32; _ = complex(re, 1.0)`, `func(float32, float32) complex64`},
	{"complex", `var im float64; _ = complex(1, im)`, `func(float64, float64) complex128`},
	{"complex", `type F32 float32; var re, im F32; _ = complex(re, im)`, `func(p.F32, p.F32) complex64`},