Example usage for org.apache.commons.functor.generator.range DoubleRange DoubleRange

Introduction

In this page you can find the example usage for org.apache.commons.functor.generator.range DoubleRange DoubleRange.

Prototype

public DoubleRange(Endpoint<Double> from, Endpoint<Double> to, double step) 

Source Link

Document

Create a new DoubleRange.

Usage

From source file:fuzzy.util.TestMaxMF.java

@Test
public void testMaxMF() {
    Collection<Double> values = new DoubleRange(-10.0, 30.0, 0.1).toCollection();
    MembershipFunction<Double> mf = new TrapezoidalMembershipFunction(-5.0, -2.0, 10.0, 20.0);
    Map<Double, Double> r = MaxMF.of(values, mf);

    assertTrue(r.containsValue(Double.valueOf(1.0)));
}

---

From source file:fuzzy.util.TestCrispFuzzyProduct.java

@Test
public void testCrispFuzzyProduct() {
    Collection<Double> col = new DoubleRange(0.0, 1.0, 0.1).toCollection(); // crisp
    MembershipFunction<Double> mf = new GeneralizedBellShapedMembershipFunction(0.2, 0.5, 0.8); // fuzzy
    Collection<Double> r = CrispFuzzyProduct.of(col, mf);
    assertTrue(r.size() == 11);/*from w  w  w. ja  va 2s . co m*/
    assertEquals(Double.valueOf(0.0), r.iterator().next()); // 0.0 * n = 0.0
}

---

From source file:fuzzy.df.TestMeanOfMaximaDefuzzificationFunction.java

@Test
public void testDefuzzification() {
    MeanOfMaximaDefuzzificationFunction<Double> df = makeDefuzzificationFunction();
    DoubleRange range = new DoubleRange(-10.0, 10.0, 0.1);
    MembershipFunction<Double> mf = new TrapezoidalMembershipFunction(-10.0, -8.0, -4.0, 7.0);
    Double d = df.evaluate(range, mf);
    assertEquals(Integer.valueOf(-6).toString(), new DecimalFormat("#.#").format(d));
}

---

From source file:fuzzy.df.TestBisectorDefuzzificationFunction.java

@Test
public void testDefuzzification() {
    BisectorDefuzzificationFunction<Double> df = makeDefuzzificationFunction();
    DoubleRange range = new DoubleRange(-10.0, 10.0, 0.1);
    MembershipFunction<Double> mf = new SigmoidalMembershipFunction(-10.0, 10.0);
    Double d = df.evaluate(range, mf);
    assertEquals(Integer.valueOf(0).toString(), new DecimalFormat("#.#").format(Math.abs(d)));
}

---

From source file:fuzzy.df.TestCentroidDefuzzificationFunction.java

@Test
public void testDefuzzification() {
    CentroidDefuzzificationFunction<Double> df = makeDefuzzificationFunction();
    DoubleRange range = new DoubleRange(-10.0, 10.0, 0.1);
    MembershipFunction<Double> mf = new SigmoidalMembershipFunction(-10.0, 10.0);
    Double d = df.evaluate(range, mf);
    assertEquals(Integer.valueOf(0).toString(), new DecimalFormat("#.#").format(Math.abs(d)));
}

---

From source file:fuzzy.df.TestLargestOfMaximaDefuzzificationFunction.java

@Test
public void testDefuzzification() {
    LargestOfMaximaDefuzzificationFunction<Double> df = makeDefuzzificationFunction();
    DoubleRange range = new DoubleRange(-10.0, 10.0, 0.1);
    MembershipFunction<Double> mf = new TrapezoidalMembershipFunction(-10.0, -8.0, -4.0, 7.0);
    Double d = df.evaluate(range, mf);
    assertEquals(Integer.valueOf(-8).toString(), new DecimalFormat("#.#").format(d));
}

---

From source file:fuzzy.df.TestSmallestOfMaximaDefuzzificationFunction.java

@Test
public void testDefuzzification() {
    SmallestOfMaximaDefuzzificationFunction<Double> df = makeDefuzzificationFunction();
    DoubleRange range = new DoubleRange(-10.0, 10.0, 0.1);
    MembershipFunction<Double> mf = new TrapezoidalMembershipFunction(-10.0, -8.0, -4.0, 7.0);
    Double d = df.evaluate(range, mf);
    assertEquals(Integer.valueOf(-4).toString(), new DecimalFormat("#.#").format(d));
}

---