auto expected_op_cost_map = GetOpCostMap(module.get());
  EXPECT_EQ(expected_op_cost_map.size(), 1);
  unsigned int seed = 23579;
  for (auto& [op_key, cost] : expected_op_cost_map) {
    cost = rand_r(&seed) % 1000;
  }
  tensorflow::tfrt_stub::CostRecorder cost_recorder;
  for (const auto& [op_key, cost] : expected_op_cost_map) {
    cost_recorder.RecordCost(op_key, cost);
  }

};

// A simple Linear Congruential Generator for generating random
// numbers with a uniform distribution.  Unlike rand() and srand(), it
// doesn't use global state (and therefore can't interfere with user
// code).  Unlike rand_r(), it's portable.  An LCG isn't very random,
// but it's good enough for our purposes.
class GTEST_API_ Random {
 public:
  static const UInt32 kMaxRange = 1u << 31;

};

// A simple Linear Congruential Generator for generating random
// numbers with a uniform distribution.  Unlike rand() and srand(), it
// doesn't use global state (and therefore can't interfere with user
// code).  Unlike rand_r(), it's portable.  An LCG isn't very random,
// but it's good enough for our purposes.
class GTEST_API_ Random {
 public:
  static const UInt32 kMaxRange = 1u << 31;

	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
	// there is just a getg, an inlined c.Next, and a return.
	// The performance difference on a 16-core AMD is

type Source interface {
	Uint64() uint64
}

// A Rand is a source of random numbers.
type Rand struct {
	src Source
}

// 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)) }

	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) {

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 {
	rng.Lock()
	defer rng.Unlock()

// 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)

John Howard <******@****.***> 1655951219 -0700

// Copyright 2018 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 js && wasm

package rand

import "syscall/js"

// The maximum buffer size for crypto.getRandomValues is 65536 bytes.
// https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues#exceptions
const maxGetRandomRead = 64 << 10

var batchedGetRandom func([]byte) error