. "strconv"
	"testing"
)

type ftoaTest struct {
	f    float64
	fmt  byte
	prec int
	s    string
}

func fdiv(a, b float64) float64 { return a / b }

const (
	below1e23 = 99999999999999974834176
	above1e23 = 100000000000000008388608
)

var ftoatests = []ftoaTest{
	{1, 'e', 5, "1.00000e+00"},
	{1, 'f', 5, "1.00000"},
	{1, 'g', 5, "1"},
	{1, 'g', -1, "1"},
	{1, 'x', -1, "0x1p+00"},

			t.Errorf("%s: got %v (%v); want %v", test.s, &x, f, test.x)
		}
	}
}

func fdiv(a, b float64) float64 { return a / b }

const (
	below1e23 = 99999999999999974834176
	above1e23 = 100000000000000008388608
)

func TestFloat64Text(t *testing.T) {
	for _, test := range []struct {
		x      float64
		format byte
		prec   int
		want   string
	}{

	{"1.1.", "0", ErrSyntax},
	{"1e23", "1e+23", nil},
	{"1E23", "1e+23", nil},
	{"100000000000000000000000", "1e+23", nil},
	{"1e-100", "1e-100", nil},
	{"123456700", "1.234567e+08", nil},
	{"99999999999999974834176", "9.999999999999997e+22", nil},
	{"100000000000000000000001", "1.0000000000000001e+23", nil},
	{"100000000000000008388608", "1.0000000000000001e+23", nil},
	{"100000000000000016777215", "1.0000000000000001e+23", nil},