Package fraction

Examples of fraction.Fraction

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        FieldVectorTestImpl<Fraction> v2_t = new FieldVectorTestImpl<Fraction>(vec2);

        //octave =  v1 + v2
        ArrayFieldVector<Fraction> v_add = v1.add(v2);
        Fraction[] result_add = {new Fraction(5), new Fraction(7), new Fraction(9)};
        checkArray("compare vect" ,v_add.getData(),result_add);

        FieldVectorTestImpl<Fraction> vt2 = new FieldVectorTestImpl<Fraction>(vec2);
        FieldVector<Fraction> v_add_i = v1.add(vt2);
        Fraction[] result_add_i = {new Fraction(5), new Fraction(7), new Fraction(9)};
        checkArray("compare vect" ,v_add_i.toArray(),result_add_i);

        //octave =  v1 - v2
        ArrayFieldVector<Fraction> v_subtract = v1.subtract(v2);
        Fraction[] result_subtract = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
        checkArray("compare vect" ,v_subtract.getData(),result_subtract);

        FieldVector<Fraction> v_subtract_i = v1.subtract(vt2);
        Fraction[] result_subtract_i = {new Fraction(-3), new Fraction(-3), new Fraction(-3)};
        checkArray("compare vect" ,v_subtract_i.toArray(),result_subtract_i);

        // octave v1 .* v2
        ArrayFieldVector<Fraction>  v_ebeMultiply = v1.ebeMultiply(v2);
        Fraction[] result_ebeMultiply = {new Fraction(4), new Fraction(10), new Fraction(18)};
        checkArray("compare vect" ,v_ebeMultiply.getData(),result_ebeMultiply);

        FieldVector<Fraction>  v_ebeMultiply_2 = v1.ebeMultiply(v2_t);
        Fraction[] result_ebeMultiply_2 = {new Fraction(4), new Fraction(10), new Fraction(18)};
        checkArray("compare vect" ,v_ebeMultiply_2.toArray(),result_ebeMultiply_2);

        // octave v1 ./ v2
        ArrayFieldVector<Fraction>  v_ebeDivide = v1.ebeDivide(v2);
        Fraction[] result_ebeDivide = {new Fraction(1, 4), new Fraction(2, 5), new Fraction(1, 2)};
        checkArray("compare vect" ,v_ebeDivide.getData(),result_ebeDivide);

        FieldVector<Fraction>  v_ebeDivide_2 = v1.ebeDivide(v2_t);
        Fraction[] result_ebeDivide_2 = {new Fraction(1, 4), new Fraction(2, 5), new Fraction(1, 2)};
        checkArray("compare vect" ,v_ebeDivide_2.toArray(),result_ebeDivide_2);

        // octave  dot(v1,v2)
        Fraction dot =  v1.dotProduct(v2);
        Assert.assertEquals("compare val ",new Fraction(32), dot);

        // octave  dot(v1,v2_t)
        Fraction dot_2 =  v1.dotProduct(v2_t);
        Assert.assertEquals("compare val ",new Fraction(32), dot_2);

        FieldMatrix<Fraction> m_outerProduct = v1.outerProduct(v2);
        Assert.assertEquals("compare val ",new Fraction(4), m_outerProduct.getEntry(0,0));

        FieldMatrix<Fraction> m_outerProduct_2 = v1.outerProduct(v2_t);
        Assert.assertEquals("compare val ",new Fraction(4), m_outerProduct_2.getEntry(0,0));

        ArrayFieldVector<Fraction> v_projection = v1.projection(v2);
        Fraction[] result_projection = {new Fraction(128, 77), new Fraction(160, 77), new Fraction(192, 77)};
        checkArray("compare vect", v_projection.getData(), result_projection);

        FieldVector<Fraction> v_projection_2 = v1.projection(v2_t);
        Fraction[] result_projection_2 = {new Fraction(128, 77), new Fraction(160, 77), new Fraction(192, 77)};
        checkArray("compare vect", v_projection_2.toArray(), result_projection_2);

    }
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    @Test
    public void testOuterProduct() {
        final ArrayFieldVector<Fraction> u
            = new ArrayFieldVector<Fraction>(FractionField.getInstance(),
                                             new Fraction[] {new Fraction(1),
                                                             new Fraction(2),
                                                             new Fraction(-3)});
        final ArrayFieldVector<Fraction> v
            = new ArrayFieldVector<Fraction>(FractionField.getInstance(),
                                             new Fraction[] {new Fraction(4),
                                                             new Fraction(-2)});

        final FieldMatrix<Fraction> uv = u.outerProduct(v);

        final double tol = Math.ulp(1d);
        Assert.assertEquals(new Fraction(4).doubleValue(), uv.getEntry(0, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-2).doubleValue(), uv.getEntry(0, 1).doubleValue(), tol);
        Assert.assertEquals(new Fraction(8).doubleValue(), uv.getEntry(1, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-4).doubleValue(), uv.getEntry(1, 1).doubleValue(), tol);
        Assert.assertEquals(new Fraction(-12).doubleValue(), uv.getEntry(2, 0).doubleValue(), tol);
        Assert.assertEquals(new Fraction(6).doubleValue(), uv.getEntry(2, 1).doubleValue(), tol);
    }
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    @Test
    public void testWalkInDefaultOrderPreservingVisitor1() {
        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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(data);
        final FieldVectorPreservingVisitor<Fraction> visitor;
        visitor = new FieldVectorPreservingVisitor<Fraction>() {
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    @Test
    public void testWalkInDefaultOrderPreservingVisitor3() {
        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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorPreservingVisitor<Fraction> visitor;
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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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(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 ArrayFieldVector<Fraction> v = new ArrayFieldVector<Fraction>(data);
        final int expectedStart = 2;
        final int expectedEnd = 7;
        final FieldVectorChangingVisitor<Fraction> visitor;
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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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