}
}

//go:noinline
func add32(x float32) float32 {
	return x + 0
}

func testAdd32() {
	var zero float32
	inf := 1.0 / zero
	negZero := -1 / inf
	if 1/add32(negZero) != inf {
		panic("negZero+0 != posZero (32 bit)")
	}
}

//go:noinline
func sub32(x float32) float32 {
	return x - 0
}

func testSub32() {
	var zero float32
	inf := 1.0 / zero
	negZero := -1 / inf

package rand

func Int31nForTest(r *Rand, n int32) int32 {
	return r.int31n(n)
}

func GetNormalDistributionParameters() (float64, [128]uint32, [128]float32, [128]float32) {
	return rn, kn, wn, fn
}

func GetExponentialDistributionParameters() (float64, [256]uint32, [256]float32, [256]float32) {
	return re, ke, we, fe

		0x8234508000000001, // from issue48807
		1<<56 + 1<<32 + 1,
	} {
		got := float32(i)
		dontwant := float32(float64(i))
		if got == dontwant {
			// The test cases above should be uint64s such that
			// this equality doesn't hold. These examples trigger
			// the case where using an intermediate float64 doesn't work.
			t.Errorf("direct float32 conversion doesn't work: arg=%x got=%x dontwant=%x", i, got, dontwant)
		}
	}

	// float
	var f00 float32 = 3.14159
	var f01 float32 = -3.14159
	var f02 float32 = +3.14159
	var f03 float32 = 0.0
	var f04 float32 = .0
	var f05 float32 = 0.
	var f06 float32 = -0.0
	var f07 float32 = 1e10
	var f08 float32 = -1e10
	var f09 float32 = 1e-10
	var f10 float32 = 1e+10
	var f11 float32 = 1.e-10
	var f12 float32 = 1.e+10
	var f13 float32 = .1e-10
	var f14 float32 = .1e+10

package main

import "math"

const (
	z0 = 0.0
	z1 = -0.0
	z2 = -z0
	z3 = -z2
)

var (
	x0 float32 = z0
	x1 float32 = z1
	x2 float32 = z2
	x3 float32 = z3

	y0 float64 = z0
	y1 float64 = z1
	y2 float64 = z2
	y3 float64 = z3
)

func test32(f float32) {
	if f != 0 || math.Signbit(float64(f)) {
		println("BUG: got", f, "want 0.0")
		return
	}
}

func test64(f float64) {

	A3 /* ERROR "invalid recursive type" */ [10]struct {
		x A4
	}
	A4 [10]A3

	F1 func()
	F2 func(x, y, z float32)
	F3 func(x, y, x /* ERROR "redeclared" */ float32)
	F4 func() (x, y, x /* ERROR "redeclared" */ float32)
	F5 func(x int) (x /* ERROR "redeclared" */ float32)
	F6 func(x ...int)

	I1 interface{}
	I2 interface {
		m1()
	}
	I3 interface {
		m1()

func BenchmarkEqArrayOfFloats5(b *testing.B) {
	var a [5]float32
	var c [5]float32

	for i := 0; i < b.N; i++ {
		_ = a == c
	}
}

func BenchmarkEqArrayOfFloats64(b *testing.B) {
	var a [64]float32
	var c [64]float32

	for i := 0; i < b.N; i++ {
		_ = a == c
	}
}

func BenchmarkEqArrayOfFloats1024(b *testing.B) {
	var a [1024]float32
	var c [1024]float32

	for i := 0; i < b.N; i++ {
		_ = a == c
	}

func g(a ...int, b ...int)      {} // ERROR "non-final parameter a|must be last parameter|can only use ... with final parameter"
func h(...int, ...int, float32) {} // ERROR "non-final parameter|must be last parameter|can only use ... with final parameter"

type a func(...float32, ...interface{}) // ERROR "non-final parameter|must be last parameter|can only use ... with final parameter"
type b interface {

//go:build ppc64 || ppc64le

#include "textflag.h"

// On PPC64, the float32 becomes a float64
// when loaded in a register, different from
// other platforms. These functions are
// needed to ensure correct conversions on PPC64.

// Convert float32->uint64
TEXT ·archFloat32ToReg(SB),NOSPLIT,$0-16
	FMOVS	val+0(FP), F1
	FMOVD	F1, ret+8(FP)
	RET

// Convert uint64->float32
TEXT ·archFloat32FromReg(SB),NOSPLIT,$0-12
	FMOVD	reg+0(FP), F1

	max64 = two1024 - ulp64
)

var x = []interface{}{
	float32(max32 + ulp32/2 - 1),             // ok
	float32(max32 + ulp32/2 - two128/two256), // ok
	float32(max32 + ulp32/2),                 // ERROR "constant 3\.40282e\+38 overflows float32|cannot convert.*to type float32"

	float32(-max32 - ulp32/2 + 1),             // ok
	float32(-max32 - ulp32/2 + two128/two256), // ok