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BitVector 3.0

A pure-Python memory-efficient packed representation for bit arrays

Latest Version: 3.3.2

This class presents a pure-Python memory-efficient packed representation for bit arrays.

Version 3.0 is a Python 3.x compliant version of the latest incarnation of the BitVector class. This version should work with both Python 2.x and Python 3.x.

The class is provided with the following operators/methods:

  • __getitem__
  • __setitem__
  • __len__
  • __iter__
  • __contains__
  • __getslice__
  • __str__
  • __int__
  • __add__
  • __eq__, __ne__, __lt__, __le__, __gt__, __ge__
  • __or__
  • __and__
  • __xor__
  • __invert__
  • __lshift__
  • __rshift__
  • __add__
  • count_bits
  • count_bit_sparse (faster for sparse bit vectors)
  • deep_copy
  • divide_into_two
  • gcd
  • gf_divide (for divisions in GF(2^n))
  • gf_MI (for multiplicative inverse in GF(2^n))
  • gf_multiply (for multiplications in GF(2))
  • gf_multiply_modular (for multiplications in GF(2^n))
  • hamming_distance
  • intValue (for returning the integer value)
  • isPowerOf2
  • isPowerOf2_sparse (faster for sparse bit vectors)
  • jaccard_distance
  • jaccard_similarity
  • length
  • multiplicative_inverse
  • next_set_bit
  • pad_from_left
  • pad_from_right
  • permute
  • rank_of_bit_set_at_index
  • read_bits_from_file
  • read_bits_from_fileobject
  • reset
  • reverse
  • runs
  • shift_left for non-circular left shift
  • shift_right for non-circular right shift
  • slice assignment
  • setValue
  • unpermute
  • write_to_file
  • write_bits_to_fileobject
 
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