}

  float RV(const std::vector<float>& v) {
    return v[random::New64() % v.size()];
  }

  complex64 CRV(const std::vector<complex64>& v) {
    return v[random::New64() % v.size()];
  }

  complex64 conjugate(const complex64& val) {
    return complex64(val.real(), -val.imag());
  }

  Scope scope_;
};

TEST_F(CWiseUnaryGradTest, Abs) {

)

const (
	_ complex64 = - /* ERROR "overflow" */ (maxFloat32 + delta32)
	_ complex64 = -maxFloat32
	_ complex64 = maxFloat32
	_ complex64 = maxFloat32 /* ERROR "overflow" */ + delta32

	_ = complex64(- /* ERROR "cannot convert" */ (maxFloat32 + delta32))
	_ = complex64(-maxFloat32)
	_ = complex64(maxFloat32)
	_ = complex64(maxFloat32 /* ERROR "cannot convert" */ + delta32)
)

import (
	"fmt"
)

type Complex interface {
	~complex64 | ~complex128
}

func zero[T Complex]() T {
	return T(0)
}
func pi[T Complex]() T {
	return T(3.14)
}
func sqrtN1[T Complex]() T {
	return T(-1i)
}

func main() {
	fmt.Println(zero[complex128]())
	fmt.Println(pi[complex128]())
	fmt.Println(sqrtN1[complex128]())
	fmt.Println(zero[complex64]())
	fmt.Println(pi[complex64]())

// Does not compile.

package main

type (
	Float32    float32
	Float64    float64
	Complex64  complex64
	Complex128 complex128
)

var (
	f32 float32
	f64 float64
	F32 Float32
	F64 Float64

	c64  complex64
	c128 complex128
	C64  Complex64
	C128 Complex128
)

func F1() int {
	return 1
}

func F3() (int, int, int) {
	return 1, 2, 3
}

		panic(fmt.Sprintf("got %d, want %d", got, want))
	}
	if got, want := inc(complex64(5)), complex64(6.0); got != want {
		panic(fmt.Sprintf("got %d, want %d", got, want))
	}

	}
}

//go:noinline
func complex64_ssa(a, b complex64, x bool) complex64 {
	var c complex64
	if x {
		c = a
	} else {
		c = b
	}
	return c
}

//go:noinline
func complex128_ssa(a, b complex128, x bool) complex128 {
	var c complex128
	if x {
		c = a
	} else {
		c = b
	}
	return c
}

func testComplex64(t *testing.T) {
	var a complex64 = 1 + 2i
	var b complex64 = 3 + 4i

		_ = 1<<1075 /* ERROR "invalid shift" */
		_ = 2.0<<1
		_ = 1<<1.0
		_ = 1<<(1+0i)

		_ int = 2<<s
		_ float32 = 2<<s
		_ complex64 = 2<<s

		_ int = 2.0<<s
		_ float32 = 2.0<<s
		_ complex64 = 2.0<<s

		_ int = 'a'<<s
		_ float32 = 'a'<<s
		_ complex64 = 'a'<<s
	)
}

func shifts1() {
	// basic non-constant shifts
	var (
		i int
		u uint

		_ = 1<<0
		_ = 1<<i
		_ = 1<<u

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

package p

var _ = int8(4) * 300         // ERROR "overflows int8"
var _ = complex64(1) * 1e200  // ERROR "complex real part overflow|overflows complex64"

var _ = float64(1) * 1e500 // ERROR "constant 1e\+500 overflows float64|1e500 .* overflows float64"

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

	Cc = C5 * C6 // MUL(-22,-150)
	Cd = C5 / C6 // DIV(0.721893,-0.532544)
	Ce = Cd * C6 // MUL(10,6) sb C5
)

func main() {

	var r complex64 = 5 + 0i
	if r != R {
		println("opcode 1", r, R)
		panic("fail")
	}

	var i complex64 = 6i
	if i != I {
		println("opcode 2", i, I)
		panic("fail")
	}

	c1 := r + i
	if c1 != C1 {
		println("opcode x", c1, C1)
		panic("fail")
	}