// complex128
	c0 = complex128(1)
	c1 complex128 = c0
	c2 = +1
	c3 = +c0
	c4 complex128 = +1
	c5 complex128 = +c4
	c6 = -1
	c7 = -c0
	c8 complex128 = -1
	c9 complex128 = -c4
	c10 = !c0 /* ERROR "not defined" */
	c11 = ^1
	c12 = ^i0
	c13 complex128 = ^1
	c14 complex128 = ^c4 /* ERROR "not defined" */
	c15 = *c0 /* ERROR "cannot indirect" */

	{"imag", `var c complex128; _ = imag(c)`, `func(complex128) float64`},
	{"imag", `type C64 complex64; var c C64; _ = imag(c)`, `func(p.C64) float32`},
	{"imag", `type C128 complex128; var c C128; _ = imag(c)`, `func(p.C128) float64`},

	{"real", `_ = real(1i)`, `invalid type`}, // constant
	{"real", `var c complex64; _ = real(c)`, `func(complex64) float32`},
	{"real", `var c complex128; _ = real(c)`, `func(complex128) float64`},

		var ch5 chan map[byte]complex128
		var fnc0 func(int32, *map[rune]complex128) complex128
		var c0 complex128
		var st0, st1, st2 struct {
		}
		var au8 []uint
		var st3, st4, st5 struct {
			ph0 *G2
			st1 struct {
				m0   map[rune]complex128
				pch1 *chan int64
				m2   map[bool]byte
				st3  struct {

// Verify that the correct (not implicitly dereferenced)
// type is reported in the error message.

package p

var p = &[1]complex128{0}
var _ = real(p)  // ERROR "type \*\[1\]complex128|argument must have complex type"

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

func Real[P ~complex128](x P) {
	_ = real(x /* ERROR "not supported" */ )
}

func Imag[P ~complex128](x P) {
	_ = imag(x /* ERROR "not supported" */ )
}

func Complex[P ~float64](x P) {
	_ = complex(x /* ERROR "not supported" */ , 0)

var _ = complex64(1) * 1e200  // ERROR "constant 1e\+200 overflows complex64|1e200 .* overflows complex64"

func cx128diff_ssa(a, b complex128) complex128 {
	return a - b
}

//go:noinline
func cx128prod_ssa(a, b complex128) complex128 {
	return a * b
}

//go:noinline
func cx128quot_ssa(a, b complex128) complex128 {
	return a / b
}

//go:noinline
func cx128neg_ssa(a complex128) complex128 {
	return -a
}

//go:noinline
func cx128real_ssa(a complex128) float64 {

// In IEEE arithmetic the peak absolute error is 5.2e-16, rms
// absolute error 1.0e-16.

// Log returns the natural logarithm of x.
func Log(x complex128) complex128 {
	return complex(math.Log(Abs(x)), Phase(x))
}

// Log10 returns the decimal logarithm of x.
func Log10(x complex128) complex128 {
	z := Log(x)
	return complex(math.Log10E*real(z), math.Log10E*imag(z))

	// structs
	dup("struct{}"),
	dup("struct{x int}"),
	{`struct {
		x, y int
		z float32 "foo"
	}`, `struct{x int; y int; z float32 "foo"}`},
	{`struct {
		string
		elems []complex128
	}`, `struct{string; elems []complex128}`},

	// pointers
	dup("*int"),
	dup("***struct{}"),
	dup("*struct{a int; b float32}"),

	// functions
	dup("func()"),
	dup("func(x int)"),

	{"imag", `var c complex128; _ = imag(c)`, `func(complex128) float64`},
	{"imag", `type C64 complex64; var c C64; _ = imag(c)`, `func(p.C64) float32`},
	{"imag", `type C128 complex128; var c C128; _ = imag(c)`, `func(p.C128) float64`},

	{"real", `_ = real(1i)`, `invalid type`}, // constant
	{"real", `var c complex64; _ = real(c)`, `func(complex64) float32`},
	{"real", `var c complex128; _ = real(c)`, `func(complex128) float64`},