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Current Path: /opt/golang/1.22.0/src/math/rand/v2

opt / golang / 1.22.0 / src / math / rand / v2 /

📁 ..
📄 auto_test.go(1.05 KB)
📄 chacha8.go(1.13 KB)
📄 chacha8_test.go(47.76 KB)
📄 example_test.go(4.42 KB)
📄 exp.go(10.95 KB)
📄 export_test.go(414 B)
📄 normal.go(6.32 KB)
📄 pcg.go(3.46 KB)
📄 pcg_test.go(1.62 KB)
📄 race_test.go(1005 B)
📄 rand.go(12.61 KB)
📄 rand_test.go(17.53 KB)
📄 regress_test.go(19.29 KB)
📄 zipf.go(1.8 KB)

Editing: race_test.go

// Copyright 2016 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_test

import (
	. "math/rand/v2"
	"sync"
	"testing"
)

// TestConcurrent exercises the rand API concurrently, triggering situations
// where the race detector is likely to detect issues.
func TestConcurrent(t *testing.T) {
	const (
		numRoutines = 10
		numCycles   = 10
	)
	var wg sync.WaitGroup
	defer wg.Wait()
	wg.Add(numRoutines)
	for i := 0; i < numRoutines; i++ {
		go func(i int) {
			defer wg.Done()
			var seed int64
			for j := 0; j < numCycles; j++ {
				seed += int64(ExpFloat64())
				seed += int64(Float32())
				seed += int64(Float64())
				seed += int64(IntN(Int()))
				seed += int64(Int32N(Int32()))
				seed += int64(Int64N(Int64()))
				seed += int64(NormFloat64())
				seed += int64(Uint32())
				seed += int64(Uint64())
				for _, p := range Perm(10) {
					seed += int64(p)
				}
			}
			_ = seed
		}(i)
	}
}

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Editing: race_test.go

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