/*

  Polynom x^4 + x^3 + x^2 + x

  [program = x + x * x + x * (x * x + (x + 0)) * x,res = 8.842604099730679,count = 1]


  [program = (x + x / x) * (x + x * x * x),res = 8.842604099730679,count = 140]
  [program = (x + x * x * x) * (x + x / x),res = 8.842604099730679,count = 118]
  [program = (x + x * x * x) * (1 + x),res = 8.842604099730679,count = 76]
  [program = (1 + x) * (x + x * x * x),res = 8.842604099730679,count = 70]
  [program = (x + x * x * x) * (x - -1),res = 8.842604099730679,count = 38]
  [program = (x - -1) * (x + x * x * x),res = 8.842604099730679,count = 21]

  resultMap = [8.842604099730679 = 6]


  Using pow2,pow3,pow4 instead of pow_mod:

  [program = pow2(x * (x - -4 + -3)) - (pow3(x) - x),res = 8.8426,count = 1]
  [program = pow3(x) + pow4(x) + (x + x * x),res = 8.8426,count = 92]
  [program = x + x * x + (pow3(x) + pow4(x)),res = 8.8426,count = 90]
  [program = (1 + x) * (x + pow3(x)),res = 8.8426,count = 109]
  [program = (x + pow3(x)) * (1 + x),res = 8.8426,count = 84]
  [program = (x + 1) * (x + pow3(x)),res = 8.8426,count = 73]
  [program = (x + pow3(x)) * (x + 1),res = 8.8426,count = 54]


  Cf p4_2.conf

*/
import util.
data(p4_2,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data =  [ [[X],Y] : [X,Y] in chunks_of([
1.34409048,8.84260401,
3.90205296,310.37239860,
-3.15213438,74.18748889,
3.35929573,179.90161287,
-3.19920446,79.04550313,
4.96816180,761.51040708,
4.30692881,446.83751274,
-4.24947609,263.16439510,
4.57876301,561.07211193,
0.97705025,3.77570926,
-1.07333129,0.16938441,
3.19436503,150.11449372,
0.95060075,3.52981359,
4.49502293,523.77459626,
1.70531921,18.02981955,
0.08083968,0.08794574,
3.95182523,325.17236887,
1.52566301,12.82245996,
0.34589428,0.52123531,
1.60021173,14.81558533,
4.84594306,693.58618055,
-2.35157391,20.75414994,
0.86667165,2.83294645,
4.40422388,485.48187407,
2.70009240,82.82698775,
-2.38631390,22.14659192,
-1.45913850,2.09632019,
4.64952478,594.12282109,
-1.57368729,3.13859193,
1.91581155,26.08916435
  ],2)],
  Unknown = [1.34409048], 
  Vars = ['x'],
  % Ops = [+,-,*,/,log,pow_mod2],
  Ops = [+,-,*,/,log,pow2,pow3,pow4,pow5],  
  Constants = 1..10,
  MaxSize = 51,
  Params = new_map([
                    approx=1,
                    init_size=1000,
                    show_best=1,
                    num_gens=180
                    % show_only_improvements=true
                    % stop_criteria=generations,
                    % remove_dups=true
                   ]).