Class: Omnizip::Algorithms::LZMA::ProbabilityModels

Inherits:
Object
  • Object
show all
Defined in:
lib/omnizip/algorithms/lzma/probability_models.rb

Overview

Container for all LZMA probability models Ported from lzma_encoder_private.h

Constant Summary collapse

STATES =

Constants

12
POS_STATES_MAX = 
16
LEN_LOW_SYMBOLS = 
8
LEN_MID_SYMBOLS = 
8
LEN_HIGH_SYMBOLS = 
16
LEN_SYMBOLS = 
272
MATCH_LEN_MIN = 
2
MATCH_LEN_MAX = 
273
DIST_STATES = 
4
DIST_SLOTS = 
64
DIST_MODEL_START = 
4
DIST_MODEL_END = 
14
FULL_DISTANCES = 
128
ALIGN_SIZE = 
16

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lc: 3, lp: 0, pb: 2) ⇒ ProbabilityModels

Returns a new instance of ProbabilityModels.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 30

def initialize(lc: 3, lp: 0, pb: 2)
  @lc = lc
  @lp = lp
  @pb = pb

  @literal = init_literal_models
  @is_match = init_is_match_models
  @is_rep = init_array(STATES, BitModel)
  @is_rep0 = init_array(STATES, BitModel)
  @is_rep1 = init_array(STATES, BitModel)
  @is_rep2 = init_array(STATES, BitModel)
  @is_rep0_long = init_is_rep0_long_models
  @dist_slot = init_dist_slot_models
  @dist_special = init_array(FULL_DISTANCES - DIST_MODEL_END, BitModel)
  @dist_align = init_array(ALIGN_SIZE, BitModel)
end

Instance Attribute Details

#dist_align ⇒ Object

Returns the value of attribute dist_align.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def dist_align
  @dist_align
end

#dist_slot ⇒ Object

Returns the value of attribute dist_slot.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def dist_slot
  @dist_slot
end

#dist_special ⇒ Object

Returns the value of attribute dist_special.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def dist_special
  @dist_special
end

#is_match ⇒ Object

Returns the value of attribute is_match.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_match
  @is_match
end

#is_rep ⇒ Object

Returns the value of attribute is_rep.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_rep
  @is_rep
end

#is_rep0 ⇒ Object

Returns the value of attribute is_rep0.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_rep0
  @is_rep0
end

#is_rep0_long ⇒ Object

Returns the value of attribute is_rep0_long.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_rep0_long
  @is_rep0_long
end

#is_rep1 ⇒ Object

Returns the value of attribute is_rep1.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_rep1
  @is_rep1
end

#is_rep2 ⇒ Object

Returns the value of attribute is_rep2.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def is_rep2
  @is_rep2
end

#literal ⇒ Object

Returns the value of attribute literal.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def literal
  @literal
end

#match_len_encoder ⇒ Object

Returns the value of attribute match_len_encoder.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def match_len_encoder
  @match_len_encoder
end

#rep_len_encoder ⇒ Object

Returns the value of attribute rep_len_encoder.



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# File 'lib/omnizip/algorithms/lzma/probability_models.rb', line 25

def rep_len_encoder
  @rep_len_encoder
end