Examples of IntervalsSet

Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    private SubHyperplane<Euclidean2D> buildSegment(Vector2D start, Vector2D end) {
        Line   line  = new Line(start, end, 1.0e-10);
        double lower = (line.toSubSpace(start)).getX();
        double upper = (line.toSubSpace(end)).getX();
        return new SubLine(line, new IntervalsSet(lower, upper, 1.0e-10));
    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testNoSegments() {
        SubLine empty = new SubLine(new Line(new Vector2D(-1, -7), new Vector2D(7, -1), 1.0e-10),
                                    new RegionFactory<Euclidean1D>().getComplement(new IntervalsSet(1.0e-10)));
        List<Segment> segments = empty.getSegments();
        Assert.assertEquals(0, segments.size());
    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testSeveralSegments() {
        SubLine twoSubs = new SubLine(new Line(new Vector2D(-1, -7), new Vector2D(7, -1), 1.0e-10),
                                    new RegionFactory<Euclidean1D>().union(new IntervalsSet(1, 2, 1.0e-10),
                                                                           new IntervalsSet(3, 4, 1.0e-10)));
        List<Segment> segments = twoSubs.getSegments();
        Assert.assertEquals(2, segments.size());
    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testHalfInfiniteNeg() {
        SubLine empty = new SubLine(new Line(new Vector2D(-1, -7), new Vector2D(7, -1), 1.0e-10),
                                    new IntervalsSet(Double.NEGATIVE_INFINITY, 0.0, 1.0e-10));
        List<Segment> segments = empty.getSegments();
        Assert.assertEquals(1, segments.size());
        Assert.assertTrue(Double.isInfinite(segments.get(0).getStart().getX()) &&
                          segments.get(0).getStart().getX() < 0);
        Assert.assertTrue(Double.isInfinite(segments.get(0).getStart().getY()) &&
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testHalfInfinitePos() {
        SubLine empty = new SubLine(new Line(new Vector2D(-1, -7), new Vector2D(7, -1), 1.0e-10),
                                    new IntervalsSet(0.0, Double.POSITIVE_INFINITY, 1.0e-10));
        List<Segment> segments = empty.getSegments();
        Assert.assertEquals(1, segments.size());
        Assert.assertEquals(0.0, new Vector2D(3, -4).distance(segments.get(0).getStart()), 1.0e-10);
        Assert.assertTrue(Double.isInfinite(segments.get(0).getEnd().getX()) &&
                          segments.get(0).getEnd().getX() > 0);
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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public class IntervalsSetTest {

    @Test
    public void testInterval() {
        IntervalsSet set = new IntervalsSet(2.3, 5.7, 1.0e-10);
        Assert.assertEquals(3.4, set.getSize(), 1.0e-10);
        Assert.assertEquals(4.0, ((Vector1D) set.getBarycenter()).getX(), 1.0e-10);
        Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(2.3)));
        Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(5.7)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(1.2)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(8.7)));
        Assert.assertEquals(Region.Location.INSIDE,   set.checkPoint(new Vector1D(3.0)));
        Assert.assertEquals(2.3, set.getInf(), 1.0e-10);
        Assert.assertEquals(5.7, set.getSup(), 1.0e-10);
    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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        Assert.assertEquals(5.7, set.getSup(), 1.0e-10);
    }

    @Test
    public void testInfinite() {
        IntervalsSet set = new IntervalsSet(9.0, Double.POSITIVE_INFINITY, 1.0e-10);
        Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(9.0)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(8.4)));
        for (double e = 1.0; e <= 6.0; e += 1.0) {
            Assert.assertEquals(Region.Location.INSIDE,
                                set.checkPoint(new Vector1D(FastMath.pow(10.0, e))));
        }
        Assert.assertTrue(Double.isInfinite(set.getSize()));
        Assert.assertEquals(9.0, set.getInf(), 1.0e-10);
        Assert.assertTrue(Double.isInfinite(set.getSup()));

        set = (IntervalsSet) new RegionFactory<Euclidean1D>().getComplement(set);
        Assert.assertEquals(9.0, set.getSup(), 1.0e-10);
        Assert.assertTrue(Double.isInfinite(set.getInf()));

    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testMultiple() {
        RegionFactory<Euclidean1D> factory = new RegionFactory<Euclidean1D>();
        IntervalsSet set = (IntervalsSet)
        factory.intersection(factory.union(factory.difference(new IntervalsSet(1.0, 6.0, 1.0e-10),
                                                              new IntervalsSet(3.0, 5.0, 1.0e-10)),
                                                              new IntervalsSet(9.0, Double.POSITIVE_INFINITY, 1.0e-10)),
                                                              new IntervalsSet(Double.NEGATIVE_INFINITY, 11.0, 1.0e-10));
        Assert.assertEquals(5.0, set.getSize(), 1.0e-10);
        Assert.assertEquals(5.9, ((Vector1D) set.getBarycenter()).getX(), 1.0e-10);
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(0.0)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(4.0)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(8.0)));
        Assert.assertEquals(Region.Location.OUTSIDE,  set.checkPoint(new Vector1D(12.0)));
        Assert.assertEquals(Region.Location.INSIDE,   set.checkPoint(new Vector1D(1.2)));
        Assert.assertEquals(Region.Location.INSIDE,   set.checkPoint(new Vector1D(5.9)));
        Assert.assertEquals(Region.Location.INSIDE,   set.checkPoint(new Vector1D(9.01)));
        Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(5.0)));
        Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(11.0)));
        Assert.assertEquals( 1.0, set.getInf(), 1.0e-10);
        Assert.assertEquals(11.0, set.getSup(), 1.0e-10);

        List<Interval> list = set.asList();
        Assert.assertEquals(3, list.size());
        Assert.assertEquals( 1.0, list.get(0).getInf(), 1.0e-10);
        Assert.assertEquals( 3.0, list.get(0).getSup(), 1.0e-10);
        Assert.assertEquals( 5.0, list.get(1).getInf(), 1.0e-10);
        Assert.assertEquals( 6.0, list.get(1).getSup(), 1.0e-10);
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testSinglePoint() {
        IntervalsSet set = new IntervalsSet(1.0, 1.0, 1.0e-10);
        Assert.assertEquals(0.0, set.getSize(), Precision.SAFE_MIN);
        Assert.assertEquals(1.0, ((Vector1D) set.getBarycenter()).getX(), Precision.EPSILON);
    }
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Examples of org.apache.commons.math3.geometry.euclidean.oned.IntervalsSet

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    }

    @Test
    public void testNoSegments() throws MathIllegalArgumentException {
        SubLine empty = new SubLine(new Line(new Vector3D(-1, -7, 2), new Vector3D(7, -1, 0), 1.0e-10),
                                    (IntervalsSet) new RegionFactory<Euclidean1D>().getComplement(new IntervalsSet(1.0e-10)));
        List<Segment> segments = empty.getSegments();
        Assert.assertEquals(0, segments.size());
    }
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