Examples with Val water.rapids.Val used on opensource projects

Example 16 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstMomentTest method testOneRowFrame.

@Test
public void testOneRowFrame() {
    Scope.enter();
    try {
        Session s = new Session();
        new TestFrameBuilder().withName("$frame1", s).withColNames("day", "hour").withDataForCol(0, ar(1)).withDataForCol(1, ard(Double.NaN)).build();
        new TestFrameBuilder().withName("$month", s).withColNames("month").withDataForCol(0, ar(2, 3)).build();
        Val result = Rapids.exec("(moment 2010 $month (cols $frame1 'day') 0 0 0 0)->$res1", s);
        assertTrue(result.isFrame());
        Frame fr = result.getFrame();
        Scope.track(fr);
        assertEquals(1, fr.numCols());
        assertEquals(2, fr.numRows());
        assertEquals(Vec.T_TIME, fr.vec(0).get_type());
        result = Rapids.exec("(moment 2010 $month 1 (cols $frame1 'hour') 0 0 0)->$res2", s);
        assertTrue(result.isFrame());
        fr = result.getFrame();
        Scope.track(fr);
        assertEquals(1, fr.numCols());
        assertEquals(2, fr.numRows());
        assertEquals(Vec.T_TIME, fr.vec(0).get_type());
        assertTrue(Double.isNaN(fr.vec(0).at(0)));
        assertTrue(Double.isNaN(fr.vec(0).at(1)));
    } finally {
        Scope.exit();
    }
}

Example 17 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class TimeSeriesTests method testIsax.

@Test
public void testIsax() {
    //
    Val res1 = Rapids.exec("(cumsum " + f._key + " 1)");
    fr1 = res1.getFrame();
    DKV.put(fr1);
    // 10 words 10 max cardinality 0 optimize card
    Val res2 = Rapids.exec("(isax " + fr1._key + " 10 10 0)");
    fr2 = res2.getFrame();
    String expected = "0^10_0^10_0^10_0^10_5^10_7^10_8^10_9^10_9^10_8^10";
    final String actual = fr2.vec(0).atStr(new BufferedString(), 0).toString();
    Assert.assertEquals(expected, actual);
}

Example 18 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstGetrowTest method TestGetrow3.

/** Test columns of various types */
@Test
public void TestGetrow3() {
    Frame f = null;
    Vec[] vv = null;
    try {
        f = ArrayUtils.frame(ar("D1", "D2"), ard(0, 1));
        vv = f.vec(0).makeCons(5, 0, ar(ar("N", "Y"), ar("a", "b", "c"), null, null, null), ar(Vec.T_CAT, Vec.T_CAT, Vec.T_TIME, Vec.T_STR, Vec.T_UUID));
        f.add(ar("C1", "C2", "T1", "S1", "U1"), vv);
        Val v = Rapids.exec("(getrow " + f._key + ")");
        assertTrue(v instanceof ValRow);
        double[] row = v.getRow();
        assertEquals(7, row.length);
        assertArrayEquals(ard(0, 1, Double.NaN, Double.NaN, 0, Double.NaN, Double.NaN), row, 1e-8);
    } finally {
        if (f != null)
            f.delete();
        if (vv != null)
            for (Vec v : vv) v.remove();
    }
}

Example 19 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstGetrowTest method TestGetrow2.

/** Test that an exception is thrown when number of rows in the frame is > 1. */
@Test
public void TestGetrow2() {
    Frame f = null;
    try {
        f = ArrayUtils.frame(ard(-3, 4), ard(0, 1));
        Val v2 = null;
        try {
            v2 = Rapids.exec("(getrow " + f._key + ")");
        } catch (IllegalArgumentException ignored) {
        }
        assertNull("getrow is allowed only for single-row frames", v2);
    } finally {
        if (f != null)
            f.delete();
    }
}

Example 20 with Val

use of water.rapids.Val in project h2o-3 by h2oai.

the class AstMeanTest method testRowwiseMeanOnFrameWithTimeColumnsOnly.

@Test
public void testRowwiseMeanOnFrameWithTimeColumnsOnly() {
    Frame fr = register(new Frame(Key.<Frame>make(), ar("t1", "s", "t2"), aro(vt1, vs1, vt2)));
    Val val = Rapids.exec("(mean " + fr._key + " 1 1)");
    assertTrue(val instanceof ValFrame);
    Frame res = register(val.getFrame());
    assertEquals("Unexpected column name", "mean", res.name(0));
    assertEquals("Unexpected column type", Vec.T_TIME, res.types()[0]);
    assertColFrameEquals(ard(15000000, 15000020, 15000030, 15000040, 15000060), res);
}