public void TestRenderFunction()
{
EncogProgram expression = new EncogProgram("(sin(x)+cos(x))/2");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((sin(x)+cos(x))/2)", result);
}
public void TestRenderComplex()
{
EncogProgram expression = new EncogProgram("((a+25)^3/25)-((a*3)^4/250)");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((((a+25)^3)/25)-(((a*3)^4)/250))", result);
}
public void TestRenderBasic()
{
EncogProgram expression = new EncogProgram("(2+6)");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("(2+6)", result);
}
public void TestKnownConst()
{
EncogProgram expression = new EncogProgram("x*2*PI");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((x*2)*PI)", result);
}
public void TestKnownConst()
{
EncogProgram expression = new EncogProgram("x*2*PI");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((x*2)*PI)", result);
}
public void TestRenderFunction()
{
EncogProgram expression = new EncogProgram("(sin(x)+cos(x))/2");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((sin(x)+cos(x))/2)", result);
}
public void TestRenderComplex()
{
EncogProgram expression = new EncogProgram("((a+25)^3/25)-((a*3)^4/250)");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("((((a+25)^3)/25)-(((a*3)^4)/250))", result);
}
public void TestRenderBasic()
{
EncogProgram expression = new EncogProgram("(2+6)");
RenderCommonExpression render = new RenderCommonExpression();
String result = render.Render(expression);
Assert.AreEqual("(2+6)", result);
}
public void TestCrossoverOperation()
{
RenderCommonExpression render = new RenderCommonExpression();
EncogProgram prg = new EncogProgram("1+2");
EncogProgram prg2 = new EncogProgram("4+5");
ProgramNode node = prg.FindNode(2);
prg.ReplaceNode(node, prg2.RootNode);
Assert.AreEqual("(1+(4+5))", render.Render(prg));
}
public void TestDepth()
{
EncogProgramContext context = new EncogProgramContext();
context.DefineVariable("x");
StandardExtensions.CreateAll(context);
PrgGrowGenerator rnd = new PrgGrowGenerator(context, 2);
EncogProgram prg = (EncogProgram)rnd.Generate(new EncogRandom());
RenderCommonExpression render = new RenderCommonExpression();
}
public void TestSimpleClone()
{
EncogProgramContext context = new EncogProgramContext();
context.LoadAllFunctions();
RenderCommonExpression render = new RenderCommonExpression();
EncogProgram prg1 = context.CreateProgram("1*2*3");
EncogProgram prg2 = context.CloneProgram(prg1);
Assert.AreEqual("((1*2)*3)", render.Render(prg1));
Assert.AreEqual("((1*2)*3)", render.Render(prg2));
}
public void TestCloneComplex()
{
EncogProgramContext context = new EncogProgramContext();
context.LoadAllFunctions();
context.DefineVariable("a");
RenderCommonExpression render = new RenderCommonExpression();
EncogProgram prg1 = context.CreateProgram("((a+25)^3/25)-((a*3)^4/250)");
EncogProgram prg2 = context.CloneProgram(prg1);
Assert.AreEqual("((((a+25)^3)/25)-(((a*3)^4)/250))", render.Render(prg1));
Assert.AreEqual("((((a+25)^3)/25)-(((a*3)^4)/250))", render.Render(prg2));
}
public void Eval(String start, String expect)
{
EncogProgramContext context = new EncogProgramContext();
StandardExtensions.CreateNumericOperators(context);
PrgPopulation pop = new PrgPopulation(context, 1);
ICalculateScore score = new ZeroEvalScoreFunction();
TrainEA genetic = new TrainEA(pop, score);
genetic.ValidationMode = true;
genetic.CODEC = new PrgCODEC();
genetic.AddOperation(0.95, new SubtreeCrossover());
genetic.AddOperation(0.05, new SubtreeMutation(context, 4));
genetic.AddScoreAdjuster(new ComplexityAdjustedScore());
genetic.Rules.AddRewriteRule(new RewriteConstants());
genetic.Rules.AddRewriteRule(new RewriteAlgebraic());
EncogProgram expression = new EncogProgram(context);
expression.CompileExpression(start);
RenderCommonExpression render = new RenderCommonExpression();
genetic.Rules.Rewrite(expression);
Assert.AreEqual(expect, render.Render(expression));
}
/// <summary>
/// The string as a common "infix" expression.
/// </summary>
/// <returns>The string as a common "infix" expression.</returns>
public String DumpAsCommonExpression()
{
var render = new RenderCommonExpression();
return render.Render(this);
}
/// <summary>
/// Dump the specified number of genomes.
/// </summary>
/// <param name="i">The specified number of genomes.</param>
public void DumpMembers(int i)
{
var render = new RenderCommonExpression();
int index = 0;
foreach (ISpecies species in Species)
{
Console.Out.WriteLine("** Species: " + species);
foreach (IGenome obj in species.Members)
{
var prg = (EncogProgram) obj;
Console.WriteLine(index + ": Score " + prg.Score + " : "
+ render.Render(prg));
index++;
if (index > i)
{
break;
}
}
}
}
private void Validate(PrgPopulation pop)
{
IList<IGenome> list = pop.Flatten();
Assert.AreEqual(2, list.Count);
EncogProgram prg1 = (EncogProgram)list[0];
EncogProgram prg2 = (EncogProgram)list[1];
RenderCommonExpression render = new RenderCommonExpression();
Assert.AreEqual("(x+1)", render.Render(prg1));
Assert.AreEqual("((x+5)/2)", render.Render(prg2));
}
