internal void IsConvex_WhenPointsNotConvex_ReturnsFalse()
{
// Arrange
var function = TrapezoidalFunction.Create(0, 1, 2, 3);
var fuzzySet = new FuzzySet("some_fuzzy_state", function);
// Act
var result = fuzzySet.IsConvex;
// Assert
Assert.False(result);
}
internal void FuzzySetCollection_WhenUpperBoundLessThanHighestBoundOfFunctions_Throws()
{
// Arrange
var fuzzySet1 = new FuzzySet("set1", TrapezoidalFunction.Create(1, 2, 3, 4));
var fuzzySet2 = new FuzzySet("set1", SingletonFunction.Create(1));
var fuzzySetCollection = new List <FuzzySet> {
fuzzySet1, fuzzySet2
};
// Act
// Assert
Assert.Throws <ArgumentOutOfRangeException>(() => new LinguisticVariable("test", fuzzySetCollection, 1, 3));
}
/// <summary>
/// Returns a <see cref="LinguisticVariable"/> representing water temperature.
/// </summary>
/// <returns>
/// The <see cref="LinguisticVariable"/>.
/// </returns>
public static LinguisticVariable WaterTemp()
{
return(new LinguisticVariable(
InputVariable.WaterTemp,
new List <FuzzySet>
{
new FuzzySet(TestKit.WaterTemp.Frozen, SingletonFunction.Create(0)),
new FuzzySet(TestKit.WaterTemp.Freezing, TriangularFunction.Create(0, 5, 10)),
new FuzzySet(TestKit.WaterTemp.Cold, TrapezoidalFunction.Create(5, 10, 15, 20)),
new FuzzySet(TestKit.WaterTemp.Warm, TrapezoidalFunction.Create(15, 25, 35, 40)),
new FuzzySet(TestKit.WaterTemp.Hot, TrapezoidalFunction.Create(35, 60, 80, 100)),
new FuzzySet(TestKit.WaterTemp.Boiling, TrapezoidalFunction.CreateWithRightEdge(95, 100))
},
-20,
200));
}
internal void Create_GetMembershipWithVariousInputs_ReturnsExpectedResult(
double x1,
double x2,
double x3,
double x4,
double input,
double expected)
{
// Arrange
var function = TrapezoidalFunction.Create(x1, x2, x3, x4);
// Act
var result = function.GetMembership(input);
// Assert
Assert.Equal(UnitInterval.Create(expected), result);
}