source: branches/2895_PushGP_GenealogyAnalysis/HeuristicLab.Problems.ProgramSynthesis/Push/BenchmarkSuite/Problems/VectorAverage.cs

namespace HeuristicLab.BenchmarkSuite.Problems {
  using System;
  using System.Linq;

  public class VectorAverage : BenchmarkSuiteDataDescriptor {
    private const string name = "Vector Average - Hard";
    private const string fileName = "VectorAverage.csv";
    private const string description = "Given a vector of floats, return the average of those floats. Results are rounded to 4 decimal places.";

    protected override string FileName { get { return fileName; } }
    public override string Name { get { return name; } }
    public override string Description { get { return description; } }
    protected override int InputArgumentCount { get { return 1; } }
    protected override int OutputArgumentCount { get { return 1; } }

    public override ProblemData CreateProblemData() {
      return new ProblemData(ProblemType.VectorAverage) {
        Name = Name,
        Description = Description,
        ProgramExecutionBudget = 30000000,
        Examples = CloneExamples(),
        BestResult = 0,
        WorstResult = 10000,
        InputArgumentTypes = new[] { ExampleArgumentType.FloatVector },
        OutputArgumentTypes = new[] { ExampleArgumentType.Float },
        TrainingCount = 100,
        TestCount = 1000,
        EnabledDataTypes = DataTypes.Exec | DataTypes.Integer | DataTypes.Float | DataTypes.FloatVector,
        MaxSize = 400,
        EvalLimit = 800,
        FloatStringFormat = "N4"
      };
    }

    protected override Example ParseExample(string[] input, string[] output) {
      return new Example {
        InputArgs = input,
        OutputArgs = output,
        InputFloatVector = new[] { ExampleArgumentConverter.ConvertDoubles(input[0]) },
        OutputFloat = ExampleArgumentConverter.ConvertDoubles(output[0]).Select(x => Math.Round(x, 4)).ToArray(),
        OutputFloatPrecision = 4
      };
    }
  }
}