Package org.jfree.data.function

Examples of org.jfree.data.function.PolynomialFunction2D

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    /**
     * Some tests for the constructor.
     */
    public void testConstructor() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, f.getCoefficients()));

        boolean pass = false;
        try {
            f = new PolynomialFunction2D(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
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    /**
     * Some checks for the getCoefficients() method.
     */
    public void testGetCoefficients() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        double[] c = f.getCoefficients();
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, c));

        // make sure that modifying the returned array doesn't change the
        // function
        c[0] = 99.9;
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, f.getCoefficients()));
    }
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    /**
     * Some checks for the getOrder() method.
     */
    public void testGetOrder() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertEquals(1, f.getOrder());
    }
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    /**
     * For datasets, the equals() method just checks keys and values.
     */
    public void testEquals() {
        PolynomialFunction2D f1 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        PolynomialFunction2D f2 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertTrue(f1.equals(f2));
        f1 = new PolynomialFunction2D(new double[] {2.0, 3.0});
        assertFalse(f1.equals(f2));
        f2 = new PolynomialFunction2D(new double[] {2.0, 3.0});
        assertTrue(f1.equals(f2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        PolynomialFunction2D f1 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        PolynomialFunction2D f2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(f1);
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    /**
     * Objects that are equal should have the same hash code otherwise FindBugs
     * will tell on us...
     */
    public void testHashCode() {
        PolynomialFunction2D f1 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        PolynomialFunction2D f2 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertEquals(f1.hashCode(), f2.hashCode());

    }
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    /**
     * Some tests for the constructor.
     */
    public void testConstructor() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, f.getCoefficients()));

        boolean pass = false;
        try {
            f = new PolynomialFunction2D(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
View Full Code Here
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    /**
     * Some checks for the getCoefficients() method.
     */
    public void testGetCoefficients() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        double[] c = f.getCoefficients();
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, c));

        // make sure that modifying the returned array doesn't change the
        // function
        c[0] = 99.9;
        assertTrue(Arrays.equals(new double[] {1.0, 2.0}, f.getCoefficients()));
    }
View Full Code Here
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    /**
     * Some checks for the getOrder() method.
     */
    public void testGetOrder() {
        PolynomialFunction2D f = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertEquals(1, f.getOrder());
    }
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    /**
     * For datasets, the equals() method just checks keys and values.
     */
    public void testEquals() {
        PolynomialFunction2D f1 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        PolynomialFunction2D f2 = new PolynomialFunction2D(new double[] {1.0,
                2.0});
        assertTrue(f1.equals(f2));
        f1 = new PolynomialFunction2D(new double[] {2.0, 3.0});
        assertFalse(f1.equals(f2));
        f2 = new PolynomialFunction2D(new double[] {2.0, 3.0});
        assertTrue(f1.equals(f2));
    }
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Related Classes of org.jfree.data.function.PolynomialFunction2D

  • org.jfree.data.function.junit.PolynomialFunction2DTests
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