Public Methods

• int size () const

  Give the size of aliasing array.

• double threshold (const int i) const

  Give the threshold corresponding to the ith aliasing array index.

• int col (const int i) const

  Give the column index corresponding to the ith aliasing array index.

• int alias (const int i) const

  Give the alias index corresponding to the ith aliasing array index.

• void init (const int d)

  Initialization of aliasing tables.

• void mk_walker (const int d)

  Construction of Walker array.

• void transpose (const int d)

  Transposition of Walker array.

• int read (const string path)

  Reading of aliasing data for simulation step.

• void write_construct (const string file_name, const int d)

  Writing of definitive Walker array (stored by column).

• int walk (const double rand, const int j, const int n, const int d, const int i)

  Walker's algorithm for discrete distributions.