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v0.3.0 Latest Latest
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 Go to latest Published: Oct 28, 2023 License: MIT Imports: 3 Imported by: 1

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Constants

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const (
	BIT_NOISE_A uint64 = 0xa55d924b5499ede9 // 0b1010010101011101100100100100101101010100100110011110110111101001
	BIT_NOISE_B uint64 = 0x531e8dd1c779c9d1 // 0b0101001100011110100011011101000111000111011110011100100111010001
	BIT_NOISE_C uint64 = 0xf6e7845905e176cb // 0b1111011011100111100001000101100100000101111000010111011011001011
)

Variables

This section is empty.

Functions

func NewPcgXslRrSource added in v0.2.0 

func NewPcgXslRrSource(seed int64) rand.Source64

func NewSmallPrngSource 

func NewSmallPrngSource(seed int64) rand.Source64

func NewSplitMix64Source added in v0.1.1 

func NewSplitMix64Source(seed int64) rand.Source64

func NewSquirrel3Prime64Source added in v0.3.0 

func NewSquirrel3Prime64Source(seed int64) rand.Source64

func NewSquirrel3Source added in v0.3.0 

func NewSquirrel3Source(seed int64) rand.Source64

func NewSquirrel3x2Source added in v0.3.0 

func NewSquirrel3x2Source(seed int64) rand.Source64

func NewSxmMixSource added in v0.3.0 

func NewSxmMixSource(seed int64) rand.Source64

NewSxmMixSource returns a new SxmMixSource that uses the given seed value.

func NewSxmSource added in v0.3.0 

func NewSxmSource(seed int64) rand.Source64

NewSxmSource returns a new SxmSource that uses the given seed value.

func NewXoshiro256ppSource added in v0.1.1 

func NewXoshiro256ppSource(seed int64) rand.Source64

func NewXoshiro256ssSource added in v0.1.1 

func NewXoshiro256ssSource(seed int64) rand.Source64

Types

type PcgXslRrSource added in v0.2.0 

type PcgXslRrSource struct {
	// contains filtered or unexported fields
}

func (*PcgXslRrSource) Int63 added in v0.2.0 

func (s *PcgXslRrSource) Int63() int64

func (*PcgXslRrSource) Seed added in v0.2.0 

func (s *PcgXslRrSource) Seed(seed int64)

func (*PcgXslRrSource) Uint64 added in v0.2.0 

func (s *PcgXslRrSource) Uint64() uint64

type PositionalSource added in v0.3.0 

type PositionalSource interface {
	rand.Source64
	// Position return current position of random generator
	Position() int64
	// SetPosition set position of random generator
	SetPosition(int64)
}

PositionalSource allow to point generated random by its position

type SmallPrngSource 

type SmallPrngSource struct {
	// contains filtered or unexported fields
}

func (*SmallPrngSource) Int63 

func (s *SmallPrngSource) Int63() int64

func (*SmallPrngSource) Seed 

func (s *SmallPrngSource) Seed(seed int64)

func (*SmallPrngSource) Uint64 

func (s *SmallPrngSource) Uint64() uint64

type SplitMix64Source added in v0.1.1 

type SplitMix64Source struct {
	// contains filtered or unexported fields
}

func (*SplitMix64Source) Int63 added in v0.1.1 

func (s *SplitMix64Source) Int63() int64

func (*SplitMix64Source) Seed added in v0.1.1 

func (s *SplitMix64Source) Seed(seed int64)

func (*SplitMix64Source) Uint64 added in v0.1.1 

func (s *SplitMix64Source) Uint64() uint64

type Squirrel3Prime64Source added in v0.3.0 

type Squirrel3Prime64Source struct {
	Squirrel3Source
}

func (*Squirrel3Prime64Source) Int63 added in v0.3.0 

func (s *Squirrel3Prime64Source) Int63() int64

func (*Squirrel3Prime64Source) Uint64 added in v0.3.0 

func (s *Squirrel3Prime64Source) Uint64() uint64

type Squirrel3Source added in v0.3.0 

type Squirrel3Source struct {
	// contains filtered or unexported fields
}

func (*Squirrel3Source) Int63 added in v0.3.0 

func (s *Squirrel3Source) Int63() int64

func (*Squirrel3Source) Position added in v0.3.0 

func (s *Squirrel3Source) Position() int64

func (*Squirrel3Source) Seed added in v0.3.0 

func (s *Squirrel3Source) Seed(seed int64)

func (*Squirrel3Source) SetPosition added in v0.3.0 

func (s *Squirrel3Source) SetPosition(pos int64)

func (*Squirrel3Source) Uint64 added in v0.3.0 

func (s *Squirrel3Source) Uint64() uint64

type Squirrel3x2Source added in v0.3.0 

type Squirrel3x2Source struct {
	Squirrel3Source
}

func (*Squirrel3x2Source) Int63 added in v0.3.0 

func (s *Squirrel3x2Source) Int63() int64

func (*Squirrel3x2Source) Uint64 added in v0.3.0 

func (s *Squirrel3x2Source) Uint64() uint64

type SxmMixSource added in v0.3.0 

type SxmMixSource struct {
	SxmSource
}

SxmMixSource is a random number generator based on SxmSource with mix64 (like in xxhash) bits permutation in the end

func (*SxmMixSource) Int63 added in v0.3.0 

func (s *SxmMixSource) Int63() int64

Int63 returns a non-negative pseudo-random 63-bit integer as an int64.

func (*SxmMixSource) Uint64 added in v0.3.0 

func (s *SxmMixSource) Uint64() uint64

Uint64 returns a pseudo-random 64-bit value as a uint64.

type SxmSource added in v0.3.0 

type SxmSource struct {
	// contains filtered or unexported fields
}

SxmSource is a random number generator based on Squirrel3 with more bits permutation (inspired by xxhash) Sxm build from Sums and XORs and Multiplications steps (SXM) It's a 64-bit generator with position and seed support

func (*SxmSource) Int63 added in v0.3.0 

func (s *SxmSource) Int63() int64

Int63 returns a non-negative pseudo-random 63-bit integer as an int64.

func (*SxmSource) Position added in v0.3.0 

func (s *SxmSource) Position() int64

Position returns current position

func (*SxmSource) Seed added in v0.3.0 

func (s *SxmSource) Seed(seed int64)

Seed sets seed value and resets position

func (*SxmSource) SetPosition added in v0.3.0 

func (s *SxmSource) SetPosition(pos int64)

SetPosition sets current position

func (*SxmSource) Uint64 added in v0.3.0 

func (s *SxmSource) Uint64() uint64

Uint64 returns a pseudo-random 64-bit value as a uint64.

type Xoshiro256ppSource added in v0.1.1 

type Xoshiro256ppSource struct {
	// contains filtered or unexported fields
}

func (*Xoshiro256ppSource) Int63 added in v0.1.1 

func (x *Xoshiro256ppSource) Int63() int64

func (*Xoshiro256ppSource) Jump added in v0.1.1 

func (x *Xoshiro256ppSource) Jump() rand.Source64

func (*Xoshiro256ppSource) LongJump added in v0.1.1 

func (x *Xoshiro256ppSource) LongJump() rand.Source64

func (*Xoshiro256ppSource) Seed added in v0.1.1 

func (x *Xoshiro256ppSource) Seed(seed int64)

func (*Xoshiro256ppSource) Uint64 added in v0.1.1 

func (x *Xoshiro256ppSource) Uint64() uint64

type Xoshiro256ssSource added in v0.1.1 

type Xoshiro256ssSource struct {
	// contains filtered or unexported fields
}

func (*Xoshiro256ssSource) Int63 added in v0.1.1 

func (x *Xoshiro256ssSource) Int63() int64

func (*Xoshiro256ssSource) Jump added in v0.1.1 

func (x *Xoshiro256ssSource) Jump() rand.Source64

func (*Xoshiro256ssSource) LongJump added in v0.1.1 

func (x *Xoshiro256ssSource) LongJump() rand.Source64

func (*Xoshiro256ssSource) Seed added in v0.1.1 

func (x *Xoshiro256ssSource) Seed(seed int64)

func (*Xoshiro256ssSource) Uint64 added in v0.1.1 

func (x *Xoshiro256ssSource) Uint64() uint64

Source Files

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