}
		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 {
	name   string

func int64tofloat32(int64) float32
func uint64tofloat64(uint64) float64
func uint64tofloat32(uint64) float32
func uint32tofloat64(uint32) float64

func complex128div(num complex128, den complex128) (quo complex128)

func getcallerpc() uintptr
func getcallersp() uintptr

// race detection
func racefuncenter(uintptr)
func racefuncexit()
func raceread(uintptr)
func racewrite(uintptr)

	sink = make(T, float64(1.0)) // ERROR "non-integer buffer argument in make.*|must be integer"
	sink = make(T, 1+0i)
	sink = make(T, complex64(1+0i))  // ERROR "non-integer buffer argument in make.*|must be integer"
	sink = make(T, complex128(1+0i)) // ERROR "non-integer buffer argument in make.*|must be integer"

	case abi.Float64:
		print(typestring, "(", *(*float64)(eface.data), ")")
	case abi.Complex64:
		print(typestring, *(*complex64)(eface.data))
	case abi.Complex128:
		print(typestring, *(*complex128)(eface.data))
	default:
		print("(", typestring, ") ", eface.data)
	}
}

// printindented prints s, replacing "\n" with "\n\t".
func printindented(s string) {
	for {

	Float32:       {Float32, IsFloat, "float32"},
	Float64:       {Float64, IsFloat, "float64"},
	Complex64:     {Complex64, IsComplex, "complex64"},
	Complex128:    {Complex128, IsComplex, "complex128"},
	String:        {String, IsString, "string"},
	UnsafePointer: {UnsafePointer, 0, "Pointer"},

	UntypedBool:    {UntypedBool, IsBoolean | IsUntyped, "untyped bool"},

	Float32:       {Float32, IsFloat, "float32"},
	Float64:       {Float64, IsFloat, "float64"},
	Complex64:     {Complex64, IsComplex, "complex64"},
	Complex128:    {Complex128, IsComplex, "complex128"},
	String:        {String, IsString, "string"},
	UnsafePointer: {UnsafePointer, 0, "Pointer"},

	UntypedBool:    {UntypedBool, IsBoolean | IsUntyped, "untyped bool"},

	{
		"complex64",
		"Complex64",
		`real := float32FromBits(state.decodeUint(), ovfl)
		imag := float32FromBits(state.decodeUint(), ovfl)
		slice[i] = complex(float32(real), float32(imag))`,
	},
	{
		"complex128",
		"Complex128",
		`real := float64FromBits(state.decodeUint())
		imag := float64FromBits(state.decodeUint())
		slice[i] = complex(real, imag)`,
	},
	{
		"float32",
		"Float32",

	// predeclared types
	Bool
	Int
	Int8
	Int16
	Int32
	Int64
	Uint
	Uint8
	Uint16
	Uint32
	Uint64
	Uintptr
	Float32
	Float64
	Complex64
	Complex128
	String
	UnsafePointer

	// types for untyped values
	UntypedBool
	UntypedInt
	UntypedRune
	UntypedFloat
	UntypedComplex
	UntypedString
	UntypedNil

	// aliases
	Byte = Uint8

INSTANTIATE_GRAD_ERR_TYPE(complex64, float, float);
INSTANTIATE_GRAD_ERR_TYPE(float, complex64, float);
INSTANTIATE_GRAD_ERR_TYPE(complex64, complex64, float);
INSTANTIATE_GRAD_ERR_TYPE(complex128, complex128, double);

	IsComplex  bool       // Number is complex.
	Int64      int64      // The signed integer value.
	Uint64     uint64     // The unsigned integer value.
	Float64    float64    // The floating-point value.
	Complex128 complex128 // The complex value.
	Text       string     // The original textual representation from the input.
}

func (t *Tree) newNumber(pos Pos, text string, typ itemType) (*NumberNode, error) {