package rand

Import Path
	math/rand (on golang.org and go.dev)

Dependency Relation
	imports 2 packages, and imported by 6 packages

Involved Source Files
	    exp.go
	    normal.go
	d-> rand.go
	    rng.go
	    zipf.go

Exported Type Names

type Rand (struct) A Rand is a source of random numbers. (*T) ExpFloat64() float64 (*T) Float32() float32 (*T) Float64() float64 (*T) Int() int (*T) Int31() int32 (*T) Int31n(n int32) int32 (*T) Int63() int64 (*T) Int63n(n int64) int64 (*T) Intn(n int) int (*T) NormFloat64() float64 (*T) Perm(n int) []int (*T) Read(p []byte) (n int, err error) (*T) Seed(seed int64) (*T) Shuffle(n int, swap func(i, j int)) (*T) Uint32() uint32 (*T) Uint64() uint64 *T : Source *T : Source64 *T : io.Reader func New(src Source) *Rand func NewZipf(r *Rand, s float64, v float64, imax uint64) *Zipf func math/big.(*Int).Rand(rnd *Rand, n *big.Int) *big.Int func testing/quick.Value(t reflect.Type, rand *Rand) (value reflect.Value, ok bool) func testing/quick.Generator.Generate(rand *Rand, size int) reflect.Value
type Source (interface) A Source represents a source of uniformly-distributed pseudo-random int64 values in the range [0, 1<<63). (T) Int63() int64 (T) Seed(seed int64) *Rand Source64 (interface) func NewSource(seed int64) Source func New(src Source) *Rand
type Source64 (interface) A Source64 is a Source that can also generate uniformly-distributed pseudo-random uint64 values in the range [0, 1<<64) directly. If a Rand r's underlying Source s implements Source64, then r.Uint64 returns the result of one call to s.Uint64 instead of making two calls to s.Int63. (T) Int63() int64 (T) Seed(seed int64) (T) Uint64() uint64 *Rand T : Source
type Zipf (struct) A Zipf generates Zipf distributed variates. (*T) Uint64() uint64 func NewZipf(r *Rand, s float64, v float64, imax uint64) *Zipf
Exported Values
func ExpFloat64() float64 ExpFloat64 returns an exponentially distributed float64 in the range (0, +math.MaxFloat64] with an exponential distribution whose rate parameter (lambda) is 1 and whose mean is 1/lambda (1) from the default Source. To produce a distribution with a different rate parameter, callers can adjust the output using: sample = ExpFloat64() / desiredRateParameter
func Float32() float32 Float32 returns, as a float32, a pseudo-random number in [0.0,1.0) from the default Source.
func Float64() float64 Float64 returns, as a float64, a pseudo-random number in [0.0,1.0) from the default Source.
func Int() int Int returns a non-negative pseudo-random int from the default Source.
func Int31() int32 Int31 returns a non-negative pseudo-random 31-bit integer as an int32 from the default Source.
func Int31n(n int32) int32 Int31n returns, as an int32, a non-negative pseudo-random number in [0,n) from the default Source. It panics if n <= 0.
func Int63() int64 Int63 returns a non-negative pseudo-random 63-bit integer as an int64 from the default Source.
func Int63n(n int64) int64 Int63n returns, as an int64, a non-negative pseudo-random number in [0,n) from the default Source. It panics if n <= 0.
func Intn(n int) int Intn returns, as an int, a non-negative pseudo-random number in [0,n) from the default Source. It panics if n <= 0.
func New(src Source) *Rand New returns a new Rand that uses random values from src to generate other random values.
func NewSource(seed int64) Source NewSource returns a new pseudo-random Source seeded with the given value. Unlike the default Source used by top-level functions, this source is not safe for concurrent use by multiple goroutines.
func NewZipf(r *Rand, s float64, v float64, imax uint64) *Zipf NewZipf returns a Zipf variate generator. The generator generates values k ∈ [0, imax] such that P(k) is proportional to (v + k) ** (-s). Requirements: s > 1 and v >= 1.
func NormFloat64() float64 NormFloat64 returns a normally distributed float64 in the range [-math.MaxFloat64, +math.MaxFloat64] with standard normal distribution (mean = 0, stddev = 1) from the default Source. To produce a different normal distribution, callers can adjust the output using: sample = NormFloat64() * desiredStdDev + desiredMean
func Perm(n int) []int Perm returns, as a slice of n ints, a pseudo-random permutation of the integers [0,n) from the default Source.
func Read(p []byte) (n int, err error) Read generates len(p) random bytes from the default Source and writes them into p. It always returns len(p) and a nil error. Read, unlike the Rand.Read method, is safe for concurrent use.
func Seed(seed int64) Seed uses the provided seed value to initialize the default Source to a deterministic state. If Seed is not called, the generator behaves as if seeded by Seed(1). Seed values that have the same remainder when divided by 2³¹-1 generate the same pseudo-random sequence. Seed, unlike the Rand.Seed method, is safe for concurrent use.
func Shuffle(n int, swap func(i, j int)) Shuffle pseudo-randomizes the order of elements using the default Source. n is the number of elements. Shuffle panics if n < 0. swap swaps the elements with indexes i and j.
func Uint32() uint32 Uint32 returns a pseudo-random 32-bit value as a uint32 from the default Source.
func Uint64() uint64 Uint64 returns a pseudo-random 64-bit value as a uint64 from the default Source.