type BasicInfo int

// Properties of basic types.
const (
	IsBoolean BasicInfo = 1 << iota
	IsInteger
	IsUnsigned
	IsFloat
	IsComplex
	IsString
	IsUntyped

	IsOrdered   = IsInteger | IsFloat | IsString
	IsNumeric   = IsInteger | IsFloat | IsComplex
	IsConstType = IsBoolean | IsNumeric | IsString
)

// A Basic represents a basic type.
type Basic struct {
	kind BasicKind

	"cmd/compile/internal/types"
	"math"
)

func softfloat(f *Func) {
	if !f.Config.SoftFloat {
		return
	}
	newInt64 := false

	for _, b := range f.Blocks {
		for _, v := range b.Values {
			if v.Type.IsFloat() {
				f.unCache(v)
				switch v.Op {
				case OpPhi, OpLoad, OpArg:
					if v.Type.Size() == 4 {
						v.Type = f.Config.Types.UInt32
					} else {
						v.Type = f.Config.Types.UInt64
					}

		val = constant.MakeString(r.string())

	case types.IsInteger:
		var x big.Int
		r.mpint(&x, b)
		val = constant.Make(&x)

	case types.IsFloat:
		val = r.mpfloat(b)

	case types.IsComplex:
		re := r.mpfloat(b)
		im := r.mpfloat(b)
		val = constant.BinaryOp(re, token.ADD, constant.MakeImag(im))

	default:
		errorf("unexpected type %v", typ) // panics
		panic("unreachable")
	}

    if (!MatchIota(reduce_op.getDimensions(), iota)) return failure();

    // Match the reduction computation.
    const bool is_float = mlir::isa<FloatType>(operand_init.getElementType());
    if (failed(MatchReduceToArgMinMaxType1(reduce_op, is_float, is_argmax)) &&
        failed(MatchReduceToArgMinMaxType2(reduce_op, is_argmax)))
      return rewriter.notifyMatchFailure(

other
barT

func NewZero(pos src.XPos, typ *types.Type) Node {
	switch {
	case typ.HasNil():
		return NewNilExpr(pos, typ)
	case typ.IsInteger():
		return NewBasicLit(pos, typ, intZero)
	case typ.IsFloat():
		return NewBasicLit(pos, typ, floatZero)
	case typ.IsComplex():
		return NewBasicLit(pos, typ, complexZero)
	case typ.IsBoolean():
		return NewBasicLit(pos, typ, constant.MakeBool(false))
	case typ.IsString():

	// floating point values
	tf0 float32 = 0.
	tf1 float32 = 1.
	tf2 float64 = 4.2e1
	tf3 myfloat = 3.141592653589793238462643383279502884197169399375105820974944592307816406286
	tf4 myfloat = 1e-1

	tf5 = tf0 + tf1
	tf6 = tf1 - tf1
	tf7 = tf2 /* ERROR "mismatched types" */ * tf1
	tf8 = tf3 / tf3
	tf9 = tf3 /* ERROR "not defined" */ % tf3

			}
		}
	}
	if !n.IsInt && !n.IsUint && !n.IsFloat {
		return nil, fmt.Errorf("illegal number syntax: %q", text)
	}
	return n, nil
}

// simplifyComplex pulls out any other types that are represented by the complex number.
// These all require that the imaginary part be zero.
func (n *NumberNode) simplifyComplex() {
	n.IsFloat = imag(n.Complex128) == 0
	if n.IsFloat {
		n.Float64 = real(n.Complex128)

	SimType[TFUNC] = TPTR
	SimType[TUNSAFEPTR] = TPTR

	for et := TINT8; et <= TUINT64; et++ {
		IsInt[et] = true
	}
	IsInt[TINT] = true
	IsInt[TUINT] = true
	IsInt[TUINTPTR] = true

	IsFloat[TFLOAT32] = true
	IsFloat[TFLOAT64] = true

	IsComplex[TCOMPLEX64] = true
	IsComplex[TCOMPLEX128] = true
}

func makeErrorInterface() *Type {
	sig := NewSignature(FakeRecv(), nil, []*Field{

	Uint32:        {Uint32, IsInteger | IsUnsigned, "uint32"},
	Uint64:        {Uint64, IsInteger | IsUnsigned, "uint64"},
	Uintptr:       {Uintptr, IsInteger | IsUnsigned, "uintptr"},
	Float32:       {Float32, IsFloat, "float32"},
	Float64:       {Float64, IsFloat, "float64"},
	Complex64:     {Complex64, IsComplex, "complex64"},
	Complex128:    {Complex128, IsComplex, "complex128"},
	String:        {String, IsString, "string"},