Package fraction

Examples of fraction.Fraction

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    @Test
    public void testWalkInOptimizedOrderPreservingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorPreservingVisitor<Fraction> visitor;
        visitor = new FieldVectorPreservingVisitor<Fraction>() {
            private final boolean[] visited = new boolean[data.length];
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    @Test
    public void testWalkInOptimizedOrderPreservingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorPreservingVisitor<Fraction> visitor;
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    @Test
    public void testWalkInDefaultOrderChangingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorChangingVisitor<Fraction> visitor;
        visitor = new FieldVectorChangingVisitor<Fraction>() {
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    @Test
    public void testWalkInDefaultOrderChangingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorChangingVisitor<Fraction> visitor;
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    @Test
    public void testWalkInOptimizedOrderChangingVisitor1() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final FieldVectorChangingVisitor<Fraction> visitor;
        visitor = new FieldVectorChangingVisitor<Fraction>() {
            private final boolean[] visited = new boolean[data.length];
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    @Test
    public void testWalkInOptimizedOrderChangingVisitor3() {
        final Fraction[] data = new Fraction[] {
            Fraction.ZERO, Fraction.ONE, Fraction.ZERO,
            Fraction.ZERO, Fraction.TWO, Fraction.ZERO,
            Fraction.ZERO, Fraction.ZERO, new Fraction(3)
        };
        final SparseFieldVector<Fraction> v = new SparseFieldVector<Fraction>(field, data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorChangingVisitor<Fraction> visitor;
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     /** test m-n = m + -n */
    @Test
    public void testPlusMinus() {
        Array2DRowFieldMatrix<Fraction> m = new Array2DRowFieldMatrix<Fraction>(testData);
        Array2DRowFieldMatrix<Fraction> m2 = new Array2DRowFieldMatrix<Fraction>(testDataInv);
        TestUtils.assertEquals(m.subtract(m2),m2.scalarMultiply(new Fraction(-1)).add(m));
        try {
            m.subtract(new Array2DRowFieldMatrix<Fraction>(testData2));
            Assert.fail("Expecting illegalArgumentException");
        } catch (MathIllegalArgumentException ex) {
            // ignored
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    /** test trace */
    @Test
    public void testTrace() {
        FieldMatrix<Fraction> m = new Array2DRowFieldMatrix<Fraction>(id);
        Assert.assertEquals("identity trace",new Fraction(3),m.getTrace());
        m = new Array2DRowFieldMatrix<Fraction>(testData2);
        try {
            m.getTrace();
            Assert.fail("Expecting NonSquareMatrixException");
        } catch (NonSquareMatrixException ex) {
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    /** test sclarAdd */
    @Test
    public void testScalarAdd() {
        FieldMatrix<Fraction> m = new Array2DRowFieldMatrix<Fraction>(testData);
        TestUtils.assertEquals(new Array2DRowFieldMatrix<Fraction>(testDataPlus2), m.scalarAdd(new Fraction(2)));
    }
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    /** test issue MATH-209 */
    @Test
    public void testMath209() {
        FieldMatrix<Fraction> a = new Array2DRowFieldMatrix<Fraction>(new Fraction[][] {
                { new Fraction(1), new Fraction(2) }, { new Fraction(3), new Fraction(4) }, { new Fraction(5), new Fraction(6) }
        }, false);
        Fraction[] b = a.operate(new Fraction[] { new Fraction(1), new Fraction(1) });
        Assert.assertEquals(a.getRowDimension(), b.length);
        Assert.assertEquals( new Fraction(3), b[0]);
        Assert.assertEquals( new Fraction(7), b[1]);
        Assert.assertEquals(new Fraction(11), b[2]);
    }
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Related Classes of fraction.Fraction

  • fraction.FractionTest
  • org.apache.commons.math3.linear.ArrayFieldVectorTest
  • org.apache.commons.math3.linear.BlockFieldMatrixTest
  • org.apache.commons.math3.linear.BlockFieldMatrixTest$GetVisitor
  • org.apache.commons.math3.linear.BlockFieldMatrixTest$SetVisitor
  • org.apache.commons.math3.linear.FieldLUDecompositionTest
  • org.apache.commons.math3.linear.FieldLUSolverTest
  • org.apache.commons.math3.linear.FieldMatrixImplTest
  • org.apache.commons.math3.linear.FieldMatrixImplTest$GetVisitor
  • org.apache.commons.math3.linear.FieldMatrixImplTest$SetVisitor
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