/*
  Polynom x^4 + x^3 + x^2 + x
  The JGAP example

  [program = x * (x * (x * x + x)) + (x * x - x),res = 26.567498653742234,count = 109]
  [program = x * x - x + x * (x * (x * x + x)),res = 26.567498653742234,count = 95]

  Cf p4_jgap.conf

*/
import util.
data(p4,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data =  [ [[X],Y] : [X,Y] in chunks_of([
-2.378099,26.567495,
4.153756,382.45743,
2.6789956,75.23481,
5.336802,986.33777,
2.4132318,51.379707,
-1.7993588,9.693933,
3.9202332,307.8775,
2.9227705,103.56364,
-0.1422224,0.159982,
4.9111285,719.39545,
1.2542424,4.76668,
1.5987749,11.577456,
4.7125554,615.356,
-1.1101999,2.493538,
-1.7379236,8.631802,
3.8303614,282.29697,
5.158349,866.7222,
3.6650343,239.42934,
0.3196721,-0.17437163,
-2.3650131,26.014963
  ],2)],
  Unknown = [-2.378099], 
  Vars = ['x'],
  Ops = [+,-,*,/,log,pow_mod2],
  Constants = -10..10,
  MaxSize = 51,
  Params = new_map([
                    approx=0.01,
                    init_size=1000,
                    show_best=1,
                    num_gens=180,
                    show_only_improvements=true,
                    % stop_criteria=generations,
                    remove_dups=true
                   ]).