// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix

package rand

import (
	"bytes"
	"errors"
	prand "math/rand"
	"testing"
)

func TestBatched(t *testing.T) {
	fillBatched := batched(func(p []byte) error {
		for i := range p {
			p[i] = byte(i)
		}
		return nil
	}, 5)

	unlock(&globalRand.lock)
}

// rand32 is uint32(rand()), called from compiler-generated code.
//
//go:nosplit
func rand32() uint32 {
	return uint32(rand())
}

// rand returns a random uint64 from the per-m chacha8 state.
// Do not change signature: used via linkname from other packages.
//
//go:nosplit
//go:linkname rand
func rand() uint64 {
	// Note: We avoid acquirem here so that in the fast path

}

// New returns a new Rand that uses random values from src
// to generate other random values.
func New(src Source) *Rand {
	return &Rand{src: src}
}

// Int64 returns a non-negative pseudo-random 63-bit integer as an int64.
func (r *Rand) Int64() int64 { return int64(r.src.Uint64() &^ (1 << 63)) }

// Uint32 returns a pseudo-random 32-bit value as a uint32.
func (r *Rand) Uint32() uint32 { return uint32(r.src.Uint64() >> 32) }

	readPos int8
}

// New returns a new [Rand] that uses random values from src
// to generate other random values.
func New(src Source) *Rand {
	s64, _ := src.(Source64)
	return &Rand{src: src, s64: s64}
}

// Seed uses the provided seed value to initialize the generator to a deterministic state.
// Seed should not be called concurrently with any other [Rand] method.
func (r *Rand) Seed(seed int64) {

// license that can be found in the LICENSE file.

// Starting in Go 1.20, the global rand is auto-seeded,
// with a better value than the current Unix nanoseconds.
// Only seed if we're using older versions of Go.

//go:build !go1.20

package main

import (
	"math/rand"
	"time"
)

func init() {
	rand.Seed(time.Now().UnixNano())

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package rand implements a cryptographically secure
// random number generator.
package rand

import "io"

// Reader is a global, shared instance of a cryptographically
// secure random number generator.
//
//   - On Linux, FreeBSD, Dragonfly, and Solaris, Reader uses getrandom(2)

		input           = "[T] and [U] are types, and [T.M] is a method, but [V] is a broken link. [rand.Int] and [crand.Reader] are things. [G.M1] and [G.M2] are generic methods.\n"

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

package pkgdoc

import (
	crand "crypto/rand"
	"math/rand"
)

type T int

type U int

func (T) M() {}

var _ = rand.Int
var _ = crand.Reader

type G[T any] struct{ x T }

func (g G[T]) M1() {}

qmuntal <******@****.***> 1689090977 +0200

				data := tmp1[0:n]
				for i := 0; i < n; i++ {
					switch dist {
					case _Sawtooth:
						data[i] = i % m
					case _Rand:
						data[i] = rand.IntN(m)
					case _Stagger:
						data[i] = (i*m + i) % n
					case _Plateau:
						data[i] = min(i, m)
					case _Shuffle:
						if rand.IntN(m) != 0 {
							j += 2
							data[i] = j
						} else {
							k += 2
							data[i] = k
						}
					}