mp.chacha8.Init64(seed)
	mp.cheaprand = rand()
}

// randn is like rand() % n but faster.
// Do not change signature: used via linkname from other packages.
//
//go:nosplit
//go:linkname randn
func randn(n uint32) uint32 {
	// See https://lemire.me/blog/2016/06/27/a-fast-alternative-to-the-modulo-reduction/
	return uint32((uint64(uint32(rand())) * uint64(n)) >> 32)
}

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)

				classes[j].target = classes[j].lowerBound + rands.Float64()
				lowSum += classes[j].lowerBound
				highSum += classes[j].upperBound
			})
		default:
			style = "not-set-by-bounds"
			for j := 0; j < probLen; j++ {
				x := math.Max(0, rands.Float64()*5-1)
				classes[j].lowerBound = x
				classes[j].target = x + 2*rands.Float64()
				classes[j].upperBound = x + 3*rands.Float64()

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Klaus Post <******@****.***> 1457448890 +0100

Klaus Post <******@****.***> 1457448890 +0100

Klaus Post <******@****.***> 1457448890 +0100

Klaus Post <******@****.***> 1457448890 +0100