Example usage for org.apache.commons.math3.distribution UniformIntegerDistribution UniformIntegerDistribution

Introduction

In this page you can find the example usage for org.apache.commons.math3.distribution UniformIntegerDistribution UniformIntegerDistribution.

Prototype

public UniformIntegerDistribution(int lower, int upper) throws NumberIsTooLargeException 

Source Link

Document

Creates a new uniform integer distribution using the given lower and upper bounds (both inclusive).

Usage

From source file:com.metawiring.load.generators.NamedNumberGenerator.java

public NamedNumberGenerator(int popsize) {
    this.popsize = popsize;
    distribution = new UniformIntegerDistribution(1, this.popsize + 1);
}

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From source file:com.metawiring.load.generators.MapGenerator.java

public MapGenerator(String paramFile, int sizeDistribution) {
    this.sizeDistribution = new UniformIntegerDistribution(0, sizeDistribution - 1);
    this.paramGenerator = new LineExtractGenerator(paramFile);
}

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From source file:com.metawiring.load.generators.MapStringGenerator.java

public MapStringGenerator(String paramFile, int sizeDistribution) {
    this.sizeDistribution = new UniformIntegerDistribution(0, sizeDistribution - 1);
    this.paramGenerator = new LineExtractGenerator(paramFile);
}

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From source file:it.cnr.isti.smartfed.papers.qbrokage.ApplicationGenerator.java

public ApplicationGenerator() {
    ramAmount = new UniformIntegerDistribution(512, 1024 * 16);
    bwAmount = new UniformIntegerDistribution(10 * 1024, 10 * 1024 * 1024);
    diskAmount = new UniformIntegerDistribution(4096, 10 * 1024 * 1024); // 10TB max
    coreAmount = new UniformIntegerDistribution(1, 8);
    mipsAmount = new UniformIntegerDistribution(1000, 25000);
}

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From source file:com.github.rinde.rinsim.util.StochasticSuppliersTest.java

@Test
public void testUniform() {
    final RandomGenerator rng = new MersenneTwister(123L);
    final StochasticSupplier<Integer> sup = uniformInt(2, 10);
    final IntegerDistribution id = new UniformIntegerDistribution(2, 10);

    final Multiset<Integer> ms = TreeMultiset.create();
    for (int i = 0; i < 1000; i++) {
        ms.add(sup.get(rng.nextLong()));
    }//from   ww  w. j a  v a 2 s .  c  o m
    final List<Integer> observations = newArrayList();
    final List<Double> expectations = newArrayList();
    for (final Multiset.Entry<Integer> entry : ms.entrySet()) {
        observations.add(entry.getCount());
        expectations.add(id.probability(entry.getElement()));
    }
    assertTrue(chiSquare(expectations, observations, .01));
}

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From source file:com.vmware.photon.controller.rootscheduler.simulator.PlacementSimulatorTest.java

@BeforeClass
public void setUpClass() throws Throwable {
    cloudStore = TestEnvironment.create(1);

    // There are 10 datastores.
    // TODO(mmutsuzaki) Allow the user to define datastore sizes.
    int numDatastores = 10;
    CloudStoreLoader.loadDatastores(cloudStore, numDatastores);

    int numHosts = 100;
    // 50% of the hosts have 4 CPUs and 8 GB of memory.
    // 30% of the hosts have 8 CPUs and 16 GB of memory.
    // 20% of the hosts have 16 CPUs and 32 GB of memory.
    Map<CloudStoreLoader.HostConfiguration, Double> hostConfigurations = ImmutableMap.of(
            new CloudStoreLoader.HostConfiguration(4, 8 * 1024), 0.5,
            new CloudStoreLoader.HostConfiguration(8, 16 * 1024), 0.3,
            new CloudStoreLoader.HostConfiguration(16, 32 * 1024), 0.2);

    // Each host has 4 datastores.
    IntegerDistribution datastoreDistribution = new UniformIntegerDistribution(4, 4);
    CloudStoreLoader.loadHosts(cloudStore, numHosts, hostConfigurations, numDatastores, datastoreDistribution);
}

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From source file:it.cnr.isti.smartfed.papers.qbrokage.DatacenterGenerator.java

public DatacenterGenerator() {
    costPerMem = new UniformRealDistribution(0.01, 0.10);
    costPerSto = new UniformRealDistribution(0.0002, 0.0020);
    costPerSec = new UniformRealDistribution(0.10, 0.80); //not used, see below
    costPerBw = new UniformRealDistribution(0.001, 0.05);

    ramAmount = new UniformIntegerDistribution(512, 1024 * 16);
    bwAmount = new UniformIntegerDistribution(10 * 1024, 10 * 1024 * 1024);
    stoAmount = new UniformIntegerDistribution(4096, 10 * 1024 * 1024); // 10TB max
    coreAmount = new UniformIntegerDistribution(1, 8);
    mipsAmount = new UniformIntegerDistribution(1000, 25000);
}

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From source file:it.cnr.isti.smartfed.papers.qbrokage.BrokageLockin.java

public DatacenterGeneratorCost() {
    costPerMem = new UniformRealDistribution(0.01, 0.10);
    costPerSto = new UniformRealDistribution(0.0002, 0.0020);
    costPerSec = new UniformRealDistribution(0.10, 0.80); //not used, see below
    costPerBw = new UniformRealDistribution(0.001, 0.05);

    ramAmount = new UniformIntegerDistribution(512, 1024 * 16);
    bwAmount = new UniformIntegerDistribution(10 * 1024, 10 * 1024 * 1024);
    stoAmount = new UniformIntegerDistribution(4096, 10 * 1024 * 1024); // 10TB max
    coreAmount = new UniformIntegerDistribution(1, 8);
    mipsAmount = new UniformIntegerDistribution(1000, 25000);

    this.seed = 1;
}

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From source file:com.wormsim.utils.Utils.java

/**
 * Returns the distribution associated with the specified string. See the
 * handbook for details of what is accepted. Or the code...
 *
 * @param str The string representing a distribution
 *
 * @return The distribution/* www  . jav a2  s  . co m*/
 */
public static IntegerDistribution readIntegerDistribution(String str) {
    if (str.matches("[0-9]+(.[0-9]*)?")) {
        // I.E. a number
        return new EnumeratedIntegerDistribution(new int[] { Integer.valueOf(str) });
    } else {
        int index = str.indexOf('(');
        String prefix = str.substring(0, index - 1).toLowerCase(Locale.ROOT);
        switch (prefix) {
        case "b":
        case "binom":
        case "binomial": {
            int comma_index = str.indexOf(',', index);
            return new BinomialDistribution(Integer.valueOf(str.substring(index, comma_index - 1)),
                    Double.valueOf(str.substring(comma_index).trim()));
        }
        case "u":
        case "uni":
        case "uniform": {
            int comma_index = str.indexOf(',', index);
            return new UniformIntegerDistribution(Integer.valueOf(str.substring(index, comma_index - 1)),
                    Integer.valueOf(str.substring(comma_index).trim()));
        }
        default: {
            throw new IllegalArgumentException(
                    "Unrecognised distribution form, see handbook for details. " + "Provided \"" + str + "\".");
        }
        }
    }
}

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From source file:fr.inria.atlanmod.instantiator.neoEMF.GenericMetamodelConfig.java

@Override
public IntegerDistribution getResourceSizeDistribution() {
    IntegerDistribution distribution = distributions.get(metamodelResource);
    if (distribution == null) {
        distribution = new UniformIntegerDistribution(elementsRange.getMinimum(), elementsRange.getMaximum());
        distribution.reseedRandomGenerator(random.nextLong());
        distributions.put(metamodelResource, distribution);
    }/*w  ww  .  jav  a  2  s.co  m*/
    return distribution;
}

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