Examples with FloatWritable org.apache.hadoop.io.FloatWritable used on opensource projects

Example 41 with FloatWritable

use of org.apache.hadoop.io.FloatWritable in project hive by apache.

the class TestGenericUDFOPMultiply method testFloatTimesFloat.

@Test
public void testFloatTimesFloat() throws HiveException {
    GenericUDFOPMultiply udf = new GenericUDFOPMultiply();
    FloatWritable f1 = new FloatWritable(4.5f);
    FloatWritable f2 = new FloatWritable(0.0f);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableFloatObjectInspector, PrimitiveObjectInspectorFactory.writableFloatObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(f1), new DeferredJavaObject(f2) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(oi.getTypeInfo(), TypeInfoFactory.floatTypeInfo);
    FloatWritable res = (FloatWritable) udf.evaluate(args);
    Assert.assertEquals(0.0, res.get(), EPSILON);
}

Example 42 with FloatWritable

use of org.apache.hadoop.io.FloatWritable in project hive by apache.

the class TestGenericUDFOPPositive method testFloat.

@Test
public void testFloat() throws HiveException {
    GenericUDFOPPositive udf = new GenericUDFOPPositive();
    FloatWritable input = new FloatWritable(323.4747f);
    ObjectInspector[] inputOIs = { PrimitiveObjectInspectorFactory.writableFloatObjectInspector };
    DeferredObject[] args = { new DeferredJavaObject(input) };
    PrimitiveObjectInspector oi = (PrimitiveObjectInspector) udf.initialize(inputOIs);
    Assert.assertEquals(TypeInfoFactory.floatTypeInfo, oi.getTypeInfo());
    FloatWritable res = (FloatWritable) udf.evaluate(args);
    Assert.assertEquals(323.4747, res.get(), EPSILON);
}

Example 43 with FloatWritable

use of org.apache.hadoop.io.FloatWritable in project hive by apache.

the class TestObjectInspectorConverters method convertFloat.

private void convertFloat() {
    Converter floatConverter = ObjectInspectorConverters.getConverter(PrimitiveObjectInspectorFactory.javaIntObjectInspector, PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
    assertEquals("LongConverter", new FloatWritable(0), floatConverter.convert(Integer.valueOf(0)));
    assertEquals("LongConverter", new FloatWritable(1), floatConverter.convert(Integer.valueOf(1)));
    assertEquals("LongConverter", null, floatConverter.convert(null));
}

Example 44 with FloatWritable

use of org.apache.hadoop.io.FloatWritable in project Cloud9 by lintool.

the class Int2FloatMap method createIfMissing.

public final void createIfMissing(int k) {
    Integer ki = new Integer(k);
    if (data.get(ki) == null) {
        FloatWritable n = new FloatWritable();
        data.put(k, n);
    }
}

Example 45 with FloatWritable

use of org.apache.hadoop.io.FloatWritable in project Cloud9 by lintool.

the class BigramRelativeFrequencyIT method testBigramRelativeFrequencyJson.

@Test
public void testBigramRelativeFrequencyJson() throws Exception {
    Configuration conf = new Configuration();
    FileSystem fs = FileSystem.getLocal(conf);
    assertTrue(fs.exists(collectionPath));
    String[] args = new String[] { "hadoop --config src/test/resources/hadoop-local-conf/ jar", IntegrationUtils.getJar("target", "cloud9"), edu.umd.cloud9.example.bigram.BigramRelativeFrequencyJson.class.getCanonicalName(), "-input", collectionPath.toString(), "-output", tmpPrefix + "-json", "-numReducers", "1" };
    IntegrationUtils.exec(Joiner.on(" ").join(args));
    SequenceFile.Reader reader = new SequenceFile.Reader(conf, SequenceFile.Reader.file(new Path(tmpPrefix + "-json/part-r-00000")));
    BigramRelativeFrequencyJson.MyTuple json = new BigramRelativeFrequencyJson.MyTuple();
    FloatWritable f = new FloatWritable();
    reader.next(json, f);
    assertEquals("&c", json.getJsonObject().get("Left").getAsString());
    assertEquals("*", json.getJsonObject().get("Right").getAsString());
    assertEquals(17f, f.get(), 10e-6);
    for (int i = 0; i < 100; i++) {
        reader.next(json, f);
    }
    assertEquals("'dear", json.getJsonObject().get("Left").getAsString());
    assertEquals("*", json.getJsonObject().get("Right").getAsString());
    assertEquals(2f, f.get(), 10e-6);
    reader.next(json, f);
    assertEquals("'dear", json.getJsonObject().get("Left").getAsString());
    assertEquals("lord", json.getJsonObject().get("Right").getAsString());
    assertEquals(1f, f.get(), 10e-6);
    reader.close();
}