anchor.diff:  %%-----------------------------------------------------------------------
   
   %% algorithm handler functions
  -
  -exs64_seed0() -> 1234567890123456789.
   
   %% Set the seed value to xorshift64star state in the process directory
   %% with the given three unsigned 32-bit integer arguments
  
positive.code: %%-----------------------------------------------------------------------
  
  %% algorithm handler functions
  
  exsplus_seed0() ->
      #exsplus_state{s0 = 1234567890123456789, s1 = 9876543210987654321}.
  
  %% Set the seed value to xorshift128plus state in the process directory
  %% with the given three unsigned 32-bit integer arguments
  
negative.code: -define(SEED_DICT, random_seed).
  
  -record(alg, {type=?DEFAULT_ALG_HANDLER :: alg(),
  	      seed :: fun(),
  	      uniform :: fun(), uniform_n :: fun()}).
  
  %% =====================================================================
  