Examples of Well19937a

org.apache.commons.math3.random.Well19937a
ro.umontreal.ca/~lecuyer/myftp/papers/wellrng.pdf">Improved Long-Period Generators Based on Linear Recurrences Modulo 2 ACM Transactions on Mathematical Software, 32, 1 (2006). The errata for the paper are in wellrng-errata.txt.
@see WELL Random number generator @since 2.2

Examples of org.apache.commons.math3.random.Well19937a

        Assert.assertTrue(d.isSupportConnected());
    }


    @Override
    public LevyDistribution makeDistribution() {
        return new LevyDistribution(new Well19937a(0xc5a5506bbb17e57al), 1.2, 0.4);
    }

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Examples of org.apache.commons.math3.random.Well19937a

        Assert.assertTrue(Double.isInfinite(d.getSupportUpperBound()));
        Assert.assertTrue(d.isSupportConnected());
    }


    public LevyDistribution makeDistribution() {
        return new LevyDistribution(new Well19937a(0xc5a5506bbb17e57al), 1.2, 0.4);
    }

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Examples of org.apache.commons.math3.random.Well19937a

            double t = t0 + i * h;
            eventFilter.g(t, new double[] { FastMath.sin(t), FastMath.cos(t) });
        }


        // verify old events are preserved, even if randomly accessed
        RandomGenerator rng = new Well19937a(0xb0e7401265af8cd3l);
        for (int i = 0; i < 5000; i++) {
            double t = t0 + (t1 - t0) * rng.nextDouble();
            double g = eventFilter.g(t, new double[] { FastMath.sin(t), FastMath.cos(t) });
            int turn = (int) FastMath.floor((t - refSwitch) / (2 * FastMath.PI));
            if (turn % 2 == 0) {
                Assert.assertEquals( signEven * FastMath.sin(t), g, 1.0e-10);
            } else {

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Examples of org.apache.commons.math3.random.Well19937a

            case WELL512A:
                return new RandomAdaptor(randomSeed == null ? new Well512a() : new Well512a(randomSeed));
            case WELL1024A:
                return new RandomAdaptor(randomSeed == null ? new Well1024a() : new Well1024a(randomSeed));
            case WELL19937A:
                return new RandomAdaptor(randomSeed == null ? new Well19937a() : new Well19937a(randomSeed));
            case WELL19937C:
                return new RandomAdaptor(randomSeed == null ? new Well19937c() : new Well19937c(randomSeed));
            case WELL44497A:
                return new RandomAdaptor(randomSeed == null ? new Well44497a() : new Well44497a(randomSeed));
            case WELL44497B:

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