// If "1e23+8388608" is implemented as "1e23" + "8388608",
	// that ends up computing 1e23-8388608 + 8388608 = 1e23,
	// which rounds back to 1e23-8388608.
	// The correct answer, of course, would be "1e23+8388608" = 1e23+8388608.
	// This is not going to be correct until 6g has multiprecision floating point.
	// A simpler case is "1e23+1", which should also round to 1e23+8388608.

	{108678236358137.625, 'g', -1, "1.0867823635813762e+14"},

	{1e23, 'e', 17, "9.99999999999999916e+22"},
	{1e23, 'f', 17, "99999999999999991611392.00000000000000000"},
	{1e23, 'g', 17, "9.9999999999999992e+22"},

	{1e23, 'e', -1, "1e+23"},
	{1e23, 'f', -1, "100000000000000000000000"},
	{1e23, 'g', -1, "1e+23"},

	{below1e23, 'e', 17, "9.99999999999999748e+22"},

		{1.2345e6, 'f', 5, "1234500.00000"},
		{1.2345e6, 'g', 5, "1.2345e+06"},

		{1e23, 'e', 17, "9.99999999999999916e+22"},
		{1e23, 'f', 17, "99999999999999991611392.00000000000000000"},
		{1e23, 'g', 17, "9.9999999999999992e+22"},

		{1e23, 'e', -1, "1e+23"},
		{1e23, 'f', -1, "100000000000000000000000"},
		{1e23, 'g', -1, "1e+23"},

		{below1e23, 'e', 17, "9.99999999999999748e+22"},

var pow10tab = [...]float64{
	1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
	1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
	1e20, 1e21, 1e22, 1e23, 1e24, 1e25, 1e26, 1e27, 1e28, 1e29,
	1e30, 1e31,
}

// pow10postab32 stores the pre-computed value for 10**(i*32) at index i.
var pow10postab32 = [...]float64{
	1e00, 1e32, 1e64, 1e96, 1e128, 1e160, 1e192, 1e224, 1e256, 1e288,
}

	"82381273e-35",
	"750486563e-38",
	"3752432815e-39",
	"75224575729e-45",
	"459926601011e+15",

	// Constants plundered from strconv/atof_test.go.

	"0",
	"1",
	"+1",
	"1e23",
	"1E23",
	"100000000000000000000000",
	"1e-100",
	"123456700",
	"99999999999999974834176",
	"100000000000000000000001",
	"100000000000000008388608",
	"100000000000000016777215",
	"100000000000000016777216",

	// Underscores.
	{"1_23.50_0_0e+1_2", "1.235e+14", nil},
	{"-_123.5e+12", "0", ErrSyntax},
	{"+_123.5e+12", "0", ErrSyntax},
	{"_123.5e+12", "0", ErrSyntax},
	{"1__23.5e+12", "0", ErrSyntax},
	{"123_.5e+12", "0", ErrSyntax},
	{"123._5e+12", "0", ErrSyntax},
	{"123.5_e+12", "0", ErrSyntax},
	{"123.5__0e+12", "0", ErrSyntax},
	{"123.5e_+12", "0", ErrSyntax},
	{"123.5e+_12", "0", ErrSyntax},

	{0x0000000000000000, 0x878678326EAC9000}, // 1e22
	{0x0000000000000000, 0xA968163F0A57B400}, // 1e23
	{0x0000000000000000, 0xD3C21BCECCEDA100}, // 1e24
	{0x0000000000000000, 0x84595161401484A0}, // 1e25
	{0x0000000000000000, 0xA56FA5B99019A5C8}, // 1e26
	{0x0000000000000000, 0xCECB8F27F4200F3A}, // 1e27
	{0x4000000000000000, 0x813F3978F8940984}, // 1e28
	{0x5000000000000000, 0xA18F07D736B90BE5}, // 1e29

	}

	if !close(0E-1, 0, 1, 0) {
		print("0E-1 is ", 0E-1, "\n")
	}
	if !close(+0e23, 0, 1, 1) {
		print("+0e23 is ", +0e23, "\n")
	}
	if !close(-0e345, 0, 1, 1) {
		print("-0e345 is ", -0e345, "\n")
	}

	if !close(0E1, 0, 1, 1) {
		print("0E1 is ", 0E1, "\n")
	}
	if !close(+10e23, 10, 1, 23) {
		print("+10e23 is ", +10e23, "\n")
	}
	if !close(-210e34, -210, 1, 34) {
		print("-210e34 is ", -210e34, "\n")

## Changelog since v1.23.15

## Changes by Kind

### API Change

- Kubernetes 1.23 is now built with go1.19.4. To match behavior of previous Kubernetes 1.23 patch releases:
  - `kube-apiserver` defaults the GOGC setting to 63, to approximate go1.17 garbage collection memory performance in heavily loaded API servers

=== "Python 3.10+"

    ```Python hl_lines="13-21"
    {!> ../../../docs_src/schema_extra_example/tutorial001_py310.py!}
    ```

=== "Python 3.8+"

    ```Python hl_lines="15-23"
    {!> ../../../docs_src/schema_extra_example/tutorial001.py!}
    ```

这些额外的信息将按原样添加到输出的JSON模式中。

## `Field` 的附加参数