lsystem

package module
v0.0.0-...-1eaf64c Latest Latest
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 Go to latest Published: Feb 8, 2024 License: MIT Imports: 11 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ParseRules 

func ParseRules(rulesMap map[Token]string) (TokenSet, TokenSet, map[Token]ProductionRule)

Types

type Buffer 

type Buffer struct {
	BytePairs []TokenStateId
	Len       int
	Cap       int
}

func (*Buffer) Append 

func (m *Buffer) Append(bp TokenStateId)

func (*Buffer) AppendSlice 

func (m *Buffer) AppendSlice(bps []TokenStateId)

func (*Buffer) Grow 

func (m *Buffer) Grow(atLeast int)

type ByteProductionRule 

type ByteProductionRule struct {
	Weights           []ByteWeightedRule
	PreSampledWeights []uint8

	Predecessor TokenStateId
	// contains filtered or unexported fields
}

func (*ByteProductionRule) ChooseSuccessor 

func (bp *ByteProductionRule) ChooseSuccessor(l *LSystem, previousToken TokenStateId) []TokenStateId

func (*ByteProductionRule) PreSample 

func (bp *ByteProductionRule) PreSample()

func (*ByteProductionRule) RandomizeWeights 

func (bp *ByteProductionRule) RandomizeWeights(delta float64, presample bool)

func (*ByteProductionRule) String 

func (bp *ByteProductionRule) String(tokens [255]Token) string

type ByteWeightedRule 

type ByteWeightedRule struct {
	LowerLimit float64
	UpperLimit float64
	Catalyst   TokenStateId
	Successor  []TokenStateId
}

type LSystem 

type LSystem struct {
	Axiom     Token
	Rules     map[Token]ProductionRule
	Variables TokenSet
	Constants TokenSet

	EmptyTokenId TokenStateId
	TokenBytes   map[Token]TokenStateId
	BytesToken   [255]Token
	ByteRules    [255]ByteProductionRule
	ParamToByte  [255]TokenStateId

	Params  [128]uint8
	MemPool *MemPool
	// contains filtered or unexported fields
}

func NewLSystem 

func NewLSystem(axiom Token, rulesMap map[Token]ProductionRule, vars TokenSet, consts TokenSet, useWeightPreSampling bool) *LSystem

func (*LSystem) AnalyseProductionRates 

func (l *LSystem) AnalyseProductionRates() map[Token]ProductionRate

AnalyseProductionRates analyses the production rate of each production rule by creating a new LSystem for each rule containing only its own rules and itself as axiom. Then it iterates the LSystem for a given number of iterations and analyzing the distribution of the produced tokens.

func (*LSystem) DecodeBytes 

func (l *LSystem) DecodeBytes(bp []TokenStateId) []Token

func (*LSystem) EncodeTokens 

func (l *LSystem) EncodeTokens(tokens []Token) []TokenStateId

func (*LSystem) HandleStatisticsServer 

func (l *LSystem) HandleStatisticsServer(w http.ResponseWriter, _ *http.Request)

func (*LSystem) IsConstant 

func (l *LSystem) IsConstant(t Token) bool

func (*LSystem) IsVariable 

func (l *LSystem) IsVariable(t Token) bool

func (*LSystem) Iterate 

func (l *LSystem) Iterate(n int) []TokenStateId

func (*LSystem) IterateOnce 

func (l *LSystem) IterateOnce() []TokenStateId

func (*LSystem) IterateUntil 

func (l *LSystem) IterateUntil(n int) []TokenStateId

func (*LSystem) Recreate 

func (l *LSystem) Recreate(byteRules [255]ByteProductionRule) *LSystem

func (*LSystem) RecreateWithMemPool 

func (l *LSystem) RecreateWithMemPool(byteRules [255]ByteProductionRule, pool *MemPool) *LSystem

func (*LSystem) Reset 

func (l *LSystem) Reset()

func (*LSystem) Serve 

func (l *LSystem) Serve() error

func (*LSystem) String 

func (l *LSystem) String() string

type MemPool 

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

func NewMemPool 

func NewMemPool(capacity int) *MemPool

func (*MemPool) GetReadBuffer 

func (m *MemPool) GetReadBuffer(idx int) *Buffer

func (*MemPool) GetWriteBuffer 

func (m *MemPool) GetWriteBuffer(idx int) *Buffer

func (*MemPool) ReadAll 

func (m *MemPool) ReadAll() []TokenStateId

func (*MemPool) Reset 

func (m *MemPool) Reset()

func (*MemPool) Swap 

func (m *MemPool) Swap(idx int)

func (*MemPool) SwapAll 

func (m *MemPool) SwapAll()

type ProductionRate 

type ProductionRate struct {
	Token Token
	Rates []float32
	Rule  fmt.Stringer
}

func (*ProductionRate) RenderChart 

func (pr *ProductionRate) RenderChart(w io.Writer) error

type ProductionRule 

type ProductionRule struct {
	Predecessor Token
	Weights     []WeightedRule
}

func NewProductionRule 

func NewProductionRule(predecessor Token, weights []WeightedRule) ProductionRule

func (*ProductionRule) ChooseSuccessor 

func (r *ProductionRule) ChooseSuccessor() []Token

func (*ProductionRule) EncodeTokens 

func (r *ProductionRule) EncodeTokens(tokenBytes map[Token]TokenStateId, presample bool) ByteProductionRule

func (*ProductionRule) String 

func (r *ProductionRule) String() string

type Token 

type Token string

func ParseState 

func ParseState(state string) []Token

type TokenSet 

type TokenSet map[Token]struct{}

func (TokenSet) Add 

func (ts TokenSet) Add(t Token)

func (TokenSet) AsSlice 

func (ts TokenSet) AsSlice() []Token

func (TokenSet) Contains 

func (ts TokenSet) Contains(t Token) bool

type TokenStateId 

type TokenStateId uint8

func NewTokenStateId 

func NewTokenStateId(tokenId uint8, hasParam bool) TokenStateId

func (TokenStateId) HasParam 

func (bt TokenStateId) HasParam() bool

func (TokenStateId) TokenId 

func (bt TokenStateId) TokenId() uint8

type WeightedRule 

type WeightedRule struct {
	Probability float64
	Catalyst    Token
	Tokens      []Token
}

func ParseRule 

func ParseRule(str string) []WeightedRule

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