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

Example 31 with FloatWritable

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

the class TestETypeConverter method testGetFloatConverter.

@Test
public void testGetFloatConverter() throws Exception {
    MyConverterParent converterParent = new MyConverterParent();
    PrimitiveType primitiveType = Types.optional(PrimitiveTypeName.FLOAT).named("value");
    PrimitiveConverter converter = ETypeConverter.getNewConverter(primitiveType, 1, converterParent, null);
    ((PrimitiveConverter) converter).addFloat(3276f);
    Writable writable = converterParent.getValue();
    FloatWritable floatWritable = (FloatWritable) writable;
    assertEquals(3276f, floatWritable.get(), 0);
}

Example 32 with FloatWritable

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

the class TestGenericUDFAbs method testFloat.

@Test
public void testFloat() throws HiveException {
    GenericUDFAbs udf = new GenericUDFAbs();
    ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableFloatObjectInspector;
    ObjectInspector[] arguments = { valueOI };
    udf.initialize(arguments);
    DeferredObject valueObj = new DeferredJavaObject(new FloatWritable(107.78f));
    DeferredObject[] args = { valueObj };
    DoubleWritable output = (DoubleWritable) udf.evaluate(args);
    // Make sure flow and double equality compare works
    assertTrue("abs() test for Float failed ", Math.abs(107.78 - output.get()) < 0.0001);
    valueObj = new DeferredJavaObject(new FloatWritable(-107.78f));
    args[0] = valueObj;
    output = (DoubleWritable) udf.evaluate(args);
    assertTrue("abs() test for Float failed ", Math.abs(107.78 - output.get()) < 0.0001);
}

Example 33 with FloatWritable

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

the class WritableHiveCharObjectInspector method getPrimitiveWritableObject.

@Override
public HiveCharWritable getPrimitiveWritableObject(Object o) {
    // then output new writable with correct params.
    if (o == null) {
        return null;
    }
    if ((o instanceof Text) || (o instanceof TimestampWritableV2) || (o instanceof HiveDecimalWritable) || (o instanceof DoubleWritable) || (o instanceof FloatWritable) || (o instanceof LongWritable) || (o instanceof IntWritable) || (o instanceof BooleanWritable)) {
        String str = o.toString();
        HiveCharWritable hcw = new HiveCharWritable();
        hcw.set(str, ((CharTypeInfo) typeInfo).getLength());
        return hcw;
    }
    HiveCharWritable writable = ((HiveCharWritable) o);
    if (doesWritableMatchTypeParams((HiveCharWritable) o)) {
        return writable;
    }
    return getWritableWithParams(writable);
}

Example 34 with FloatWritable

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

the class TestGenericUDFOPNegative method testFloat.

@Test
public void testFloat() throws HiveException {
    GenericUDFOPNegative udf = new GenericUDFOPNegative();
    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(-323.4747f, res.get(), EPSILON);
}

Example 35 with FloatWritable

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

the class TestGenericUDFOPPlus method testFloatPlusFloat.

@Test
public void testFloatPlusFloat() throws HiveException {
    GenericUDFOPPlus udf = new GenericUDFOPPlus();
    // Float
    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(4.5, res.get(), EPSILON);
}