List of nextVector() Examples

Examples of nextVector()

org.apache.commons.math.random.CorrelatedRandomVectorGenerator.nextVector()
Generate a correlated random vector. @return a random vector as an array of double. The returned arrayis created at each call, the caller can do what it wants with it.
org.apache.commons.math3.random.CorrelatedRandomVectorGenerator.nextVector()
Generate a correlated random vector. @return a random vector as an array of double. The returned arrayis created at each call, the caller can do what it wants with it.
org.apache.commons.math3.random.SobolSequenceGenerator.nextVector()
{@inheritDoc}
org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()
{@inheritDoc}

Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

            double d = 25 * random.nextDouble();
            double refRadius = 10 * random.nextDouble();
            Vector2D refCenter = new Vector2D(d, new Vector2D(sr.nextVector()));
            List<Vector2D> support = new ArrayList<Vector2D>();
            for (int j = 0; j < 3; ++j) {
                support.add(new Vector2D(1.0, refCenter, refRadius, new Vector2D(sr.nextVector())));
            }
            EnclosingBall<Euclidean2D, Vector2D> disk = new DiskGenerator().ballOnSupport(support);
            Assert.assertEquals(0.0, refCenter.distance(disk.getCenter()), 3e-9 * refRadius);
            Assert.assertEquals(refRadius, disk.getRadius(), 7e-10 * refRadius);
        }

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

    @Test
    public void testInsideArc() {
        RandomGenerator random = new Well1024a(0xbfd34e92231bbcfel);
        UnitSphereRandomVectorGenerator sphRandom = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 100; ++i) {
            Circle c1 = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            Circle c2 = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            checkArcIsInside(c1, c2);
            checkArcIsInside(c2, c1);
        }
    }

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

    public void testInsideArc() {
        RandomGenerator random = new Well1024a(0xbfd34e92231bbcfel);
        UnitSphereRandomVectorGenerator sphRandom = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 100; ++i) {
            Circle c1 = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            Circle c2 = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            checkArcIsInside(c1, c2);
            checkArcIsInside(c2, c1);
        }
    }

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

    public void testTransform() {
        RandomGenerator random = new Well1024a(0x16992fc4294bf2f1l);
        UnitSphereRandomVectorGenerator sphRandom = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 100; ++i) {


            Rotation r = new Rotation(new Vector3D(sphRandom.nextVector()),
                                      FastMath.PI * random.nextDouble());
            Transform<Sphere2D, Sphere1D> t = Circle.getTransform(r);


            S2Point  p = new S2Point(new Vector3D(sphRandom.nextVector()));
            S2Point tp = (S2Point) t.apply(p);

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()


            Rotation r = new Rotation(new Vector3D(sphRandom.nextVector()),
                                      FastMath.PI * random.nextDouble());
            Transform<Sphere2D, Sphere1D> t = Circle.getTransform(r);


            S2Point  p = new S2Point(new Vector3D(sphRandom.nextVector()));
            S2Point tp = (S2Point) t.apply(p);
            Assert.assertEquals(0.0, r.applyTo(p.getVector()).distance(tp.getVector()), 1.0e-10);


            Circle  c = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            Circle tc = (Circle) t.apply(c);

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()


            S2Point  p = new S2Point(new Vector3D(sphRandom.nextVector()));
            S2Point tp = (S2Point) t.apply(p);
            Assert.assertEquals(0.0, r.applyTo(p.getVector()).distance(tp.getVector()), 1.0e-10);


            Circle  c = new Circle(new Vector3D(sphRandom.nextVector()), 1.0e-10);
            Circle tc = (Circle) t.apply(c);
            Assert.assertEquals(0.0, r.applyTo(c.getPole()).distance(tc.getPole()),   1.0e-10);
            Assert.assertEquals(0.0, r.applyTo(c.getXAxis()).distance(tc.getXAxis()), 1.0e-10);
            Assert.assertEquals(0.0, r.applyTo(c.getYAxis()).distance(tc.getYAxis()), 1.0e-10);
            Assert.assertEquals(c.getTolerance(), ((Circle) t.apply(c)).getTolerance(), 1.0e-10);

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

    public void testFullSphere() {
        SphericalPolygonsSet full = new SphericalPolygonsSet(1.0e-10);
        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0x852fd2a0ed8d2f6dl));
        for (int i = 0; i < 1000; ++i) {
            Vector3D v = new Vector3D(random.nextVector());
            Assert.assertEquals(Location.INSIDE, full.checkPoint(new S2Point(v)));
        }
        Assert.assertEquals(4 * FastMath.PI, new SphericalPolygonsSet(0.01, new S2Point[0]).getSize(), 1.0e-10);
        Assert.assertEquals(0, new SphericalPolygonsSet(0.01, new S2Point[0]).getBoundarySize(), 1.0e-10);
        Assert.assertEquals(0, full.getBoundaryLoops().size());

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

        SphericalPolygonsSet empty =
            (SphericalPolygonsSet) new RegionFactory<Sphere2D>().getComplement(new SphericalPolygonsSet(1.0e-10));
        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0x76d9205d6167b6ddl));
        for (int i = 0; i < 1000; ++i) {
            Vector3D v = new Vector3D(random.nextVector());
            Assert.assertEquals(Location.OUTSIDE, empty.checkPoint(new S2Point(v)));
        }
        Assert.assertEquals(0, empty.getSize(), 1.0e-10);
        Assert.assertEquals(0, empty.getBoundarySize(), 1.0e-10);
        Assert.assertEquals(0, empty.getBoundaryLoops().size());

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

        double sinTol = FastMath.sin(tol);
        SphericalPolygonsSet south = new SphericalPolygonsSet(Vector3D.MINUS_K, tol);
        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0x6b9d4a6ad90d7b0bl));
        for (int i = 0; i < 1000; ++i) {
            Vector3D v = new Vector3D(random.nextVector());
            if (v.getZ() < -sinTol) {
                Assert.assertEquals(Location.INSIDE, south.checkPoint(new S2Point(v)));
            } else if (v.getZ() > sinTol) {
                Assert.assertEquals(Location.OUTSIDE, south.checkPoint(new S2Point(v)));
            } else {

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Examples of org.apache.commons.math3.random.UnitSphereRandomVectorGenerator.nextVector()

        SphericalPolygonsSet octant =
                (SphericalPolygonsSet) factory.intersection(factory.intersection(plusX, plusY), plusZ);
        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0x9c9802fde3cbcf25l));
        for (int i = 0; i < 1000; ++i) {
            Vector3D v = new Vector3D(random.nextVector());
            if ((v.getX() > sinTol) && (v.getY() > sinTol) && (v.getZ() > sinTol)) {
                Assert.assertEquals(Location.INSIDE, octant.checkPoint(new S2Point(v)));
            } else if ((v.getX() < -sinTol) || (v.getY() < -sinTol) || (v.getZ() < -sinTol)) {
                Assert.assertEquals(Location.OUTSIDE, octant.checkPoint(new S2Point(v)));
            } else {

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