Package org.apache.commons.math3.random

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

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        double sinTol = FastMath.sin(tol);
        SphericalPolygonsSet octant = new SphericalPolygonsSet(tol, S2Point.PLUS_I, S2Point.PLUS_J, S2Point.PLUS_K);
        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0xb8fc5acc91044308l));
        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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                (SphericalPolygonsSet) factory.difference(plusZ, factory.intersection(plusX, plusY));

        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, threeOctants.checkPoint(new S2Point(v)));
            } else if (((v.getX() > sinTol) && (v.getY() > sinTol)) || (v.getZ() < -sinTol)) {
                Assert.assertEquals(Location.OUTSIDE, threeOctants.checkPoint(new S2Point(v)));
            } else {
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            double d = 25 * random.nextDouble();
            double refRadius = 10 * random.nextDouble();
            Vector3D refCenter = new Vector3D(d, new Vector3D(sr.nextVector()));
            List<Vector3D> support = new ArrayList<Vector3D>();
            for (int j = 0; j < 5; ++j) {
                support.add(new Vector3D(1.0, refCenter, refRadius, new Vector3D(sr.nextVector())));
            }
            EnclosingBall<Euclidean3D, Vector3D> sphere = new SphereGenerator().ballOnSupport(support);
            Assert.assertEquals(0.0, refCenter.distance(sphere.getCenter()), 4e-7 * refRadius);
            Assert.assertEquals(refRadius, sphere.getRadius(), 1e-7 * refRadius);
        }
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        SphericalPolygonsSet polygon = new SphericalPolygonsSet(boundary, tol);

        UnitSphereRandomVectorGenerator random =
                new UnitSphereRandomVectorGenerator(3, new Well1024a(0xcc5ce49949e0d3ecl));
        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, polygon.checkPoint(new S2Point(v)));
            } else if ((v.getX() < sinTol) && (v.getY() < sinTol) && (v.getZ() < sinTol)) {
                Assert.assertEquals(Location.BOUNDARY, polygon.checkPoint(new S2Point(v)));
            } else if ((v.getX() > sinTol) && (v.getY() > sinTol) && (v.getZ() > sinTol)) {
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    public void testDoubleVectors() throws MathIllegalArgumentException {

        Well1024a random = new Well1024a(0x180b41cfeeffaf67l);
        UnitSphereRandomVectorGenerator g = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 10; ++i) {
            double[] unit = g.nextVector();
            FieldRotation<DerivativeStructure> r = new FieldRotation<DerivativeStructure>(createVector(unit[0], unit[1], unit[2]),
                                          createAngle(random.nextDouble()));

            for (double x = -0.9; x < 0.9; x += 0.2) {
                for (double y = -0.9; y < 0.9; y += 0.2) {
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    public void testDoubleRotations() throws MathIllegalArgumentException {

        Well1024a random = new Well1024a(0x180b41cfeeffaf67l);
        UnitSphereRandomVectorGenerator g = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 10; ++i) {
            double[] unit1 = g.nextVector();
            Rotation r1 = new Rotation(new Vector3D(unit1[0], unit1[1], unit1[2]),
                                      random.nextDouble());
            FieldRotation<DerivativeStructure> r1Prime = new FieldRotation<DerivativeStructure>(new DerivativeStructure(4, 1, 0, r1.getQ0()),
                                                new DerivativeStructure(4, 1, 1, r1.getQ1()),
                                                new DerivativeStructure(4, 1, 2, r1.getQ2()),
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            FieldRotation<DerivativeStructure> r1Prime = new FieldRotation<DerivativeStructure>(new DerivativeStructure(4, 1, 0, r1.getQ0()),
                                                new DerivativeStructure(4, 1, 1, r1.getQ1()),
                                                new DerivativeStructure(4, 1, 2, r1.getQ2()),
                                                new DerivativeStructure(4, 1, 3, r1.getQ3()),
                                                false);
            double[] unit2 = g.nextVector();
            FieldRotation<DerivativeStructure> r2 = new FieldRotation<DerivativeStructure>(createVector(unit2[0], unit2[1], unit2[2]),
                                           createAngle(random.nextDouble()));

            FieldRotation<DerivativeStructure> rA = FieldRotation.applyTo(r1, r2);
            FieldRotation<DerivativeStructure> rB = r1Prime.applyTo(r2);
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    public void testDoubleVectors() throws MathIllegalArgumentException {

        Well1024a random = new Well1024a(0x180b41cfeeffaf67l);
        UnitSphereRandomVectorGenerator g = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 10; ++i) {
            double[] unit = g.nextVector();
            FieldRotation<Dfp> r = new FieldRotation<Dfp>(createVector(unit[0], unit[1], unit[2]),
                                          createAngle(random.nextDouble()));

            for (double x = -0.9; x < 0.9; x += 0.4) {
                for (double y = -0.9; y < 0.9; y += 0.4) {
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        DfpField field = new DfpField(20);
        Well1024a random = new Well1024a(0x180b41cfeeffaf67l);
        UnitSphereRandomVectorGenerator g = new UnitSphereRandomVectorGenerator(3, random);
        for (int i = 0; i < 10; ++i) {
            double[] unit1 = g.nextVector();
            Rotation r1 = new Rotation(new Vector3D(unit1[0], unit1[1], unit1[2]),
                                      random.nextDouble());
            FieldRotation<Dfp> r1Prime = new FieldRotation<Dfp>(field.newDfp(r1.getQ0()),
                                                                field.newDfp(r1.getQ1()),
                                                                field.newDfp(r1.getQ2()),
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            FieldRotation<Dfp> r1Prime = new FieldRotation<Dfp>(field.newDfp(r1.getQ0()),
                                                                field.newDfp(r1.getQ1()),
                                                                field.newDfp(r1.getQ2()),
                                                                field.newDfp(r1.getQ3()),
                                                                false);
            double[] unit2 = g.nextVector();
            FieldRotation<Dfp> r2 = new FieldRotation<Dfp>(createVector(unit2[0], unit2[1], unit2[2]),
                                           createAngle(random.nextDouble()));

            FieldRotation<Dfp> rA = FieldRotation.applyTo(r1, r2);
            FieldRotation<Dfp> rB = r1Prime.applyTo(r2);
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