Examples of RandomData

Examples of org.apache.commons.math.random.RandomData

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        assertEquals("Q1",1,u.getPercentile(25),10E-12);
        assertEquals("Q3",1,u.getPercentile(75),10E-12);
        assertEquals("Q2",1,u.getPercentile(50),10E-12);
       
        u.clear();
        RandomData rd = new RandomDataImpl();
        int[] testi = rd.nextPermutation(100,100); // will contain 0-99
        for (int j = 0; j < testi.length; j++) {
            u.addValue((double) testi[j]);  //OK, laugh at me for the cast
        }
        for (int i = 1; i < 100; i++) {
            assertEquals("percentile " + i,
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Examples of org.apache.commons.math3.random.RandomData

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    public void testWithInitialCapacity() {

        ResizableDoubleArray eDA2 = new ResizableDoubleArray(2);
        Assert.assertEquals("Initial number of elements should be 0", 0, eDA2.getNumElements());

        RandomData randomData = new RandomDataImpl();
        int iterations = randomData.nextInt(100, 1000);

        for( int i = 0; i < iterations; i++) {
            eDA2.addElement( i );
        }
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Examples of org.apache.commons.math3.random.RandomData

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    public void testWithInitialCapacityAndExpansionFactor() {

        ResizableDoubleArray eDA3 = new ResizableDoubleArray(3, 3.0f, 3.5f);
        Assert.assertEquals("Initial number of elements should be 0", 0, eDA3.getNumElements() );

        RandomData randomData = new RandomDataImpl();
        int iterations = randomData.nextInt(100, 3000);

        for( int i = 0; i < iterations; i++) {
            eDA3.addElement( i );
        }
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Examples of org.apache.commons.math3.random.RandomData

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     * uniformly distributed over [-100, 100].
     *
     * @return array of random double values
     */
    private double[] generateSample() {
        final RandomData randomData = new RandomDataImpl();
        final int sampleSize = randomData.nextInt(10,100);
        double[] out = new double[sampleSize];
        for (int i = 0; i < out.length; i++) {
            out[i] = randomData.nextUniform(-100, 100);
        }
        return out;
    }
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Examples of org.apache.trevni.avro.RandomData

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    DataFileReader<Object> reader =
      new DataFileReader(OUT_FILE, new GenericDatumReader<Object>());
   
    Iterator<Object> found = reader.iterator();
    for (Object expected :
           new RandomData(Schema.parse(SCHEMA_FILE), Integer.parseInt(COUNT)))
      assertEquals(expected, found.next());

    reader.close();
  }
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Examples of org.apache.trevni.avro.RandomData

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    Schema schema = Schema.parse(SCHEMA_FILE);

    DataFileWriter<Object> writer =
      new DataFileWriter<Object>(new GenericDatumWriter<Object>());
    writer.create(schema, Util.createFromFS(AVRO_FILE.toString()));
    for (Object datum : new RandomData(schema, COUNT))
      writer.append(datum);
    writer.close();

    run(AVRO_FILE.toString(), TREVNI_FILE.toString());

    AvroColumnReader<Object> reader =
      new AvroColumnReader<Object>(new AvroColumnReader.Params(TREVNI_FILE));
    Iterator<Object> found = reader.iterator();
    for (Object expected : new RandomData(schema, COUNT))
      assertEquals(expected, found.next());
    reader.close();
  }
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Examples of org.apache.trevni.avro.RandomData

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    Schema schema = Schema.parse(schemaFile);

    AvroColumnWriter<Object> writer =
      new AvroColumnWriter<Object>(schema, new ColumnFileMetaData());

    for (Object datum : new RandomData(schema, count))
      writer.write(datum);

    writer.writeTo(outputFile);

    return 0;
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Examples of org.apache.trevni.avro.RandomData

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    DataFileWriter<Object> writer =
      new DataFileWriter<Object>(new GenericDatumWriter<Object>());
    writer.setCodec(Util.codecFactory(opts, codec, level));
    writer.create(schema, Util.fileOrStdout(args.get(0), out));

    for (Object datum : new RandomData(schema, (int)count.value(opts)))
      writer.append(datum);

    writer.close();

    return 0;
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Examples of org.apache.trevni.avro.RandomData

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    DataFileWriter<Object> writer =
      new DataFileWriter<Object>(new GenericDatumWriter<Object>());
    writer.setCodec(Util.codecFactory(opts, codec, level));
    writer.create(schema, Util.fileOrStdout(args.get(0), out));

    for (Object datum : new RandomData(schema, (int)count.value(opts)))
      writer.append(datum);

    writer.close();

    return 0;
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Examples of org.apache.trevni.avro.RandomData

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    DataFileReader<Object> reader =
      new DataFileReader(OUT_FILE, new GenericDatumReader<Object>());
   
    Iterator<Object> found = reader.iterator();
    for (Object expected :
           new RandomData(Schema.parse(SCHEMA_FILE), Integer.parseInt(COUNT)))
      assertEquals(expected, found.next());

    reader.close();
  }
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