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

// Test communication operations including select.

package main

import "os"
import "runtime"
import "sync"

var randx int

func nrand(n int) int {
	randx += 10007
	if randx >= 1000000 {
		randx -= 1000000
	}
	return randx % n
}

type Chan struct {
	sc, rc chan int // send and recv chan
	sv, rv int      // send and recv seq
}

	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) {

			rngVec[i] = u
		}
	}
}

func vrand() int64 {
	rngTap--
	if rngTap < 0 {
		rngTap += length
	}
	rngFeed--
	if rngFeed < 0 {
		rngFeed += length
	}
	x := (rngVec[rngFeed] + rngVec[rngTap])
	rngVec[rngFeed] = x
	return x
}

func main() {
	srand(1)
	for i := uint64(0); i < 7.8e12; i++ {
		vrand()
	}
	fmt.Printf("rngVec after 7.8e12 calls to vrand:\n%#v\n", rngVec)
	for i := range rngVec {

		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"

See the License for the specific language governing permissions and
limitations under the License.
*/

// Package rand provides utilities related to randomization.
package rand

import (
	"math/rand"
	"sync"
	"time"
)

var rng = struct {
	sync.Mutex
	rand *rand.Rand
}{
	rand: rand.New(rand.NewSource(time.Now().UnixNano())),
}

// Int returns a non-negative pseudo-random int.
func Int() int {

// 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)

// 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() {}