private void CheckEquationCopyAfterResult(Equation Original, EvolutionInfo EInfo)
{
Equation Copy = TestTools.MakeEquation(EInfo);
Original.MakeClone(Copy);
CheckEquationShowResult(Copy, Copy.CreateFunction(), Original.CreateFunction(), Original.Results);
}
public Equation(EvolutionInfo einfo)
{
EInfo = einfo;
SortedOperators = new List <List <Operator> >(EInfo.MaxSize);
AllOperators = new List <Operator>(EInfo.MaxSize);
EquationParts = new List <Operator>(EInfo.MaxSize);
OPStorage = new Stack <Operator>(EInfo.MaxSize);
for (int i = 0; i < EInfo.MaxSize; i++)
{
OPStorage.Push(new Operator(this));
}
SortedOperators.Add(EquationParts);
Results = new double[EInfo.GoalLength];
}
public void TestEquation1()
{
EvolutionInfo EInfo = TestTools.GetEvolutionInfo("x = {3, 4, 5, 6}", "4, 6, 8, 10");
Equation e1 = TestTools.MakeEquation(EInfo);
// (x) = (x) * x
Operator o1 = e1.AddOperator(false, new Parentheses(), 0, 2, false, new Multiply(), e1);
// - 1 = (x - 1) * x
Operator o2 = o1.AddOperator(false, new Subtract(), 0, 1, true, null, o1);
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((x - 1) * x)", new float[] { 6, 12, 20, 30 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ResultOnRightSide = true;
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = (x * (x - 1))", new float[] { 6, 12, 20, 30 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.ResultOnRightSide = true;
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = (x * (1 - x))", new float[] { -6, -12, -20, -30 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ResultOnRightSide = false;
o2.ResultOnRightSide = true;
o1.OperatorChanged();
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((1 - x) * x)", new float[] { -6, -12, -20, -30 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.RandomNumber = -5;
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((-5 - x) * x)", new float[] { -24, -36, -50, -66 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.RandomNumber = 3;
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 - x) * x)", new float[] { 0, -4, -10, -18 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.MFunction = new Plus();
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 + x) * x)", new float[] { 18, 28, 40, 54 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.MFunction = new Multiply();
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 * x) * x)", new float[] { 27, 48, 75, 108 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.MFunction = new Divide();
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 / x) * x)", new float[] { 3, 3, 3, 3 });
CheckEquationCopyAfterResult(e1, EInfo);
o2.MFunction = new Subtract();
o1.ExtraMathFunction = new Plus();
o1.OperatorChanged();
o2.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 - x) + x)", new float[] { 3, 3, 3, 3 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ExtraMathFunction = new Subtract();
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 - x) - x)", new float[] { -3, -5, -7, -9 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ExtraMathFunction = new Divide();
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((3 - x) / x)", new float[] { 0, -0.25f, -0.4f, -0.5f });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ResultOnRightSide = true;
o1.ExtraMathFunction = new Plus();
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = (x + (3 - x))", new float[] { 3, 3, 3, 3 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ExtraMathFunction = new Subtract();
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = (x - (3 - x))", new float[] { 3, 5, 7, 9 });
CheckEquationCopyAfterResult(e1, EInfo);
o1.ExtraMathFunction = new Divide();
o1.OperatorChanged();
CheckShowResult(e1.CreateFunction(), "f(x) = (x / (3 - x))");
e1.CalcTotalOffSet();
Assert.IsFalse(Tools.IsANumber(e1.OffSet), "expected NaN as offset, but got: " + e1.OffSet);
// - 1 = (x / (3 - x)) - 1
Operator o3 = e1.AddOperator(false, new Subtract(), 0, 1, true, null, e1);
// - 1 = 1 - (x / (3 - x)) - 1)
Operator o4 = e1.AddOperator(true, new Subtract(), 0, 1, true, null, e1);
// x = (1 - ((x / (3 - x)) - 1)) * x
Operator o5 = e1.AddOperator(false, new Parentheses(), 0, 2, false, new Multiply(), e1);
// x = x * (x * ((1 - ((x / (3 - x)) - 1)) * x))
Operator o6 = e1.AddOperator(true, new Parentheses(), 0, 2, false, new Multiply(), e1);
o1.OperatorChanged();
CheckShowResult(e1.CreateFunction(), "f(x) = ((x * (1 - ((x / (3 - x)) - 1))) * x)");
e1.CalcTotalOffSet();
Assert.IsFalse(Tools.IsANumber(e1.OffSet), "expected NaN as offset, but got: " + e1.OffSet);
o1.ExtraMathFunction = new Subtract();
o1.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((x * (1 - ((x - (3 - x)) - 1))) * x)", new float[] { -9, -48, -125, -252 });
CheckEquationCopyAfterResult(e1, EInfo);
// * x = (x * x) * (x * ((1 - ((x / (3 - x)) - 1)) * x))
Operator o7 = o6.AddOperator(false, new Multiply(), 0, 1, false, null, o6);
o6.OperatorChanged();
CheckEquationShowResult(e1, e1.CreateFunction(), "f(x) = ((x * (1 - ((x - (3 - x)) - 1))) * (x * x))", new float[] { -27, -192, -625, -1512 });
CheckEquationCopyAfterResult(e1, EInfo);
}
public static Equation MakeEquation(EvolutionInfo EInfo)
{
return(new Equation(EInfo, Randomizer));
}
