public void TrapezoidalMembershipFunction_Trapezoid1245_ShouldBe1_4()
{
IMembershipFunction trapezoidalMembershipFunction = new TrapezoidalMembershipFunction(1, 2, 4, 5);
double expected = 1;
double valueToCount = 4;
double result = trapezoidalMembershipFunction.GetMembershipFunctionValue(valueToCount);
Assert.AreEqual(expected, result);
}
public void TrapezoidalMembershipFunction_Trapezoid0033_ShouldBe1Middle()
{
IMembershipFunction trapezoidalMembershipFunction = new TrapezoidalMembershipFunction(0, 0, 3, 3);
double expected = 1;
double valueToCount = 2;
double result = trapezoidalMembershipFunction.GetMembershipFunctionValue(valueToCount);
Assert.AreEqual(expected, result);
}
public void TrapezoidalMembershipFunction_Trapezoid0134_ShouldBe0_5Left()
{
IMembershipFunction trapezoidalMembershipFunction = new TrapezoidalMembershipFunction(0, 1, 3, 4);
double expected = 0.5;
double valueToCount = 0.5;
double result = trapezoidalMembershipFunction.GetMembershipFunctionValue(valueToCount);
Assert.AreEqual(expected, result);
}
public void CreateLinguisticVariableEntity_ReturnsCorrectLinguisticVariable()
{
// Arrange
List <double> firstFunctionValues = new List <double> {
0, 20, 20, 30
};
List <double> secondFunctionValues = new List <double> {
50, 60, 60, 80
};
List <MembershipFunctionStrings> membershipFunctionStringsList = new List <MembershipFunctionStrings>
{
new MembershipFunctionStrings("Cold", "Trapezoidal", firstFunctionValues),
new MembershipFunctionStrings("Hot", "Trapezoidal", secondFunctionValues)
};
string linguisticVariable = "Water:Initial:[Cold:Trapezoidal:(0,20,20,30)|Hot:Trapezoidal:(50,60,60,80)]";
var linguisticVariableStrings = new LinguisticVariableStrings("Water", "Initial", membershipFunctionStringsList);
var linguisticVariableStringsList = new List <LinguisticVariableStrings> {
linguisticVariableStrings
};
_linguisticVariableParserMock.Expect(x => x.ParseLinguisticVariable(linguisticVariable)).Return(linguisticVariableStringsList);
var firstMembershipFunction = new TrapezoidalMembershipFunction("Cold", 0, 20, 20, 30);
var secondMembershipFunction = new TrapezoidalMembershipFunction("Hot", 50, 60, 60, 80);
_membershipFunctionCreatorMock.Expect(x => x.CreateMembershipFunctionEntity(MembershipFunctionType.Trapezoidal, "Cold", firstFunctionValues))
.Return(firstMembershipFunction);
_membershipFunctionCreatorMock.Expect(x => x.CreateMembershipFunctionEntity(MembershipFunctionType.Trapezoidal, "Hot", secondFunctionValues))
.Return(secondMembershipFunction);
var expectedLinguisticVariable = new LinguisticVariable(
"Water",
new MembershipFunctionList {
firstMembershipFunction, secondMembershipFunction
},
true);
// Act
var actualLinguisticVariables = _linguisticVariableCreator.CreateLinguisticVariableEntities(linguisticVariable);
// Assert
Assert.AreEqual(1, actualLinguisticVariables.Count);
Assert.IsTrue(ObjectComparer.LinguisticVariablesAreEqual(expectedLinguisticVariable, actualLinguisticVariables[0]));
}
public void CreateMembershipFunctionEntity_ReturnsCorrectMembershipFunction()
{
// Arrange
MembershipFunctionType membershipFunctionType = MembershipFunctionType.Trapezoidal;
string membershipFunctionName = "High";
List <double> points = new List <double> {
1, 2, 3, 5
};
TrapezoidalMembershipFunction expectedMembershipFunction = new TrapezoidalMembershipFunction(membershipFunctionName,
points[0], points[1], points[2], points[3]);
// Act
TrapezoidalMembershipFunction actualMembershipFunction = (TrapezoidalMembershipFunction)
_membershipFunctionCreator.CreateMembershipFunctionEntity(membershipFunctionType, membershipFunctionName, points);
// Assert
Assert.IsNotNull(actualMembershipFunction);
Assert.IsTrue(ObjectComparer.MembershipFunctionsAreEqual(expectedMembershipFunction, actualMembershipFunction));
}
public static (List <Quantifier>, List <Qualifier>, List <Summarizer>, LogicalOperation) ParseFuzzySetFile(
int dataCount,
string path = DefaultPath)
{
path = $"{FuzzySetsFolderPath}/{path}";
var quantifiers = new List <Quantifier>();
var qualifiers = new List <Qualifier>();
var summarizers = new List <Summarizer>();
var currentParsingMode = ParsingMode.Quantifier;
var currentSummarizersOperation = LogicalOperation.And;
using (StreamReader sr = File.OpenText(path))
{
while (sr.Peek() >= 0)
{
string line = sr.ReadLine().Trim();
if (line.StartsWith("#") || String.IsNullOrWhiteSpace(line))
{
continue;
}
if (line.StartsWith("QUALIFIERS"))
{
currentParsingMode = ParsingMode.Qualifier;
continue;
}
if (line.StartsWith("SUMMARIZERS"))
{
currentParsingMode = ParsingMode.Summarizer;
if (line.ToLowerInvariant().Contains("or"))
{
currentSummarizersOperation = LogicalOperation.Or;
}
continue;
}
if (line.StartsWith("QUANTIFIERS"))
{
currentParsingMode = ParsingMode.Quantifier;
continue;
}
// var parameters = line.Split(':');
var input = line.Split(new[] { ':' }, StringSplitOptions.None);
string label = input[0];
string membershipExpression = input[2];
var memInfo = membershipExpression.Split(new[] { '(', ')' });
string memType = memInfo[0];
var memParams = memInfo[1].Split(',');
IMembershipFunction membership;
if (memType.ToLowerInvariant().StartsWith("trap"))
{
membership = new TrapezoidalMembershipFunction(memParams[0], memParams[1], memParams[2], memParams[3]);
}
else
{
membership = new TriangularMembershipFunction(memParams[0], memParams[1], memParams[2]);
}
int xmin = 0;
int xmax = 100;
if (input.Length >= 5)
{
xmin = Int32.Parse(input[3]);
xmax = Int32.Parse(input[4]);
}
switch (currentParsingMode)
{
case ParsingMode.Quantifier:
bool isAbsolute = input[1].ToLowerInvariant().StartsWith("a");
quantifiers.Add(new Quantifier(
label,
membership,
isAbsolute ? QuantifierType.Absolute : QuantifierType.Relative,
0,
isAbsolute ? dataCount : 1));
break;
case ParsingMode.Qualifier:
qualifiers.Add(new Qualifier(
label,
input[1],
membership,
xmin, xmax));
break;
case ParsingMode.Summarizer:
summarizers.Add(new Summarizer(
label,
input[1],
membership,
xmin, xmax));
break;
}
}
}
return(quantifiers, qualifiers, summarizers, currentSummarizersOperation);
}
public void SetUp()
{
_trapezoidalMembershipFunction = new TrapezoidalMembershipFunction(LinguisticVariableName, X0, X1, X2, X3);
}
public static SentenceTuple getSentenceElementsFromFile()
{
SentenceTuple sentenceTuple = new SentenceTuple();
List <Summarizator> summarizators = new List <Summarizator>();
List <Qualifier> qualifiers = new List <Qualifier>();
List <Quantifier> quantifiers = new List <Quantifier>();
string workingDirectory = Environment.CurrentDirectory;
string filepath = Directory.GetParent(workingDirectory).Parent.Parent.FullName + "\\SummarizatorOrQualifier.csv";
using (TextFieldParser csvParser = new TextFieldParser(filepath))
{
csvParser.CommentTokens = new[] { "#" };
csvParser.SetDelimiters(";");
csvParser.HasFieldsEnclosedInQuotes = false;
csvParser.ReadLine();
var parsingMode = ElementType.Summarizator;
var currentLogicalOperator = OperationType.And;
Quantifier.QuantifierType quantifierType = Quantifier.QuantifierType.Relative;
while (!csvParser.EndOfData)
{
IMembershipFunction membershipFunction;
string[] singleRow = csvParser.ReadFields();
if ((singleRow ?? throw new InvalidOperationException()).Contains(""))
{
continue;
}
if (singleRow[0].Contains("summarizators"))
{
parsingMode = ElementType.Summarizator;
currentLogicalOperator = (singleRow[1] == OperationType.And.ToString().ToLowerInvariant()) ? OperationType.And : OperationType.Or;
continue;
}
else if (singleRow[0] == "qualifiers")
{
parsingMode = ElementType.Qualifier;
continue;
}
else if (singleRow[0] == "quantifiers")
{
parsingMode = ElementType.Quantifier;
quantifierType = singleRow[1] == Quantifier.QuantifierType.Relative.ToString().ToLowerInvariant() ? Quantifier.QuantifierType.Relative : Quantifier.QuantifierType.Absolute;
continue;
}
string description = singleRow[0];
string attributeName = singleRow[1];
string functionType = singleRow[2];
string[] functionParametres = singleRow[3].Split(',');
int minValue = int.Parse(singleRow[4]);
int maxValue = int.Parse(singleRow[5]);
if (functionType == "trian")
{
membershipFunction = new TriangleMembershipFunction(double.Parse(functionParametres[0], CultureInfo.InvariantCulture), double.Parse(functionParametres[1], CultureInfo.InvariantCulture), double.Parse(functionParametres[2], CultureInfo.InvariantCulture));
}
else
{
membershipFunction = new TrapezoidalMembershipFunction(double.Parse(functionParametres[0], CultureInfo.InvariantCulture), double.Parse(functionParametres[1], CultureInfo.InvariantCulture), double.Parse(functionParametres[2], CultureInfo.InvariantCulture), double.Parse(functionParametres[3], CultureInfo.InvariantCulture));
}
switch (parsingMode)
{
case ElementType.Summarizator:
summarizators.Add(new Summarizator(
description,
attributeName,
membershipFunction,
minValue,
maxValue));
break;
case ElementType.Qualifier:
qualifiers.Add(new Qualifier(
description,
attributeName,
membershipFunction,
minValue,
maxValue));
break;
case ElementType.Quantifier:
quantifiers.Add(new Quantifier(
description,
membershipFunction,
quantifierType,
minValue,
maxValue));
break;
}
}
return(new SentenceTuple(qualifiers, quantifiers, summarizators, currentLogicalOperator));
}
}
