Package it.unimi.dsi.fastutil.longs

Examples of it.unimi.dsi.fastutil.longs.LongSortedSet

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    @Override
    public void globalScore(@Nonnull Collection<Long> queryItems,
                            @Nonnull MutableSparseVector output) {
        // create the unary rating for the items
        LongSortedSet qItems = LongUtils.packedSet(queryItems);
        MutableSparseVector basket = MutableSparseVector.create(qItems, 1.0);

        output.clear();
        algorithm.scoreItems(model, basket, output, scorer);
    }
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    @SuppressWarnings("deprecation")
    @Override
    public SimilarityMatrixModel get() {
        logger.debug("building item-item model");

        LongSortedSet itemUniverse = buildContext.getItems();

        final int nitems = itemUniverse.size();

        LongKeyDomain itemDomain = LongKeyDomain.fromCollection(itemUniverse, true);
        assert itemDomain.size() == itemDomain.domainSize();
        assert itemDomain.domainSize() == nitems;
        List<List<ScoredId>> matrix = Lists.newArrayListWithCapacity(itemDomain.domainSize());
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     * @param user The user to query for.
     * @return The items rated by {@code user}.
     */
    @Nonnull
    public LongSortedSet getUserItems(long user) {
        LongSortedSet items = userItems.get(user);
        if (items == null) {
            items = LongSortedSets.EMPTY_SET;
        }
        return items;
    }
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                   equalTo(0));
    }

    @Test
    public void testUnionSizeSame() {
        LongSortedSet set = packedSet(5, 3, 27);
        assertThat(unionSize(set, set), equalTo(3));
    }
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        assertThat(unionSize(lkd.activeSetView(), lkd.clone().activeSetView()), equalTo(3));
    }

    @Test
    public void testUnionSizeDistinctEqual() {
        LongSortedSet s1 = packedSet(5, 3, 27);
        LongSortedSet s2 = new LongAVLTreeSet(s1);
        assertThat(unionSize(s1, s2), equalTo(3));
    }
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        assertThat(unionSize(s1, s2), equalTo(3));
    }

    @Test
    public void testUnionSizeNoOverlap() {
        LongSortedSet s1 = packedSet(1, 2, 3);
        LongSortedSet s2 = packedSet(4, 5, 6);
        assertThat(unionSize(s1, s2), equalTo(6));
    }
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        assertThat(unionSize(s1, s2), equalTo(6));
    }

    @Test
    public void testUnionSizeInterleaved() {
        LongSortedSet s1 = packedSet(1, 3, 5);
        LongSortedSet s2 = packedSet(2, 4, 6);
        assertThat(unionSize(s1, s2), equalTo(6));
    }
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        assertThat(unionSize(s1, s2), equalTo(6));
    }

    @Test
    public void testUnionSizeCommon() {
        LongSortedSet s1 = packedSet(1, 3, 5);
        LongSortedSet s2 = packedSet(2, 3, 4);
        assertThat(unionSize(s1, s2), equalTo(5));
    }
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        lkd.setActive(1, false);
        lkd.setActive(3, false);
        // set2 will have 2, 3, 4
        lkd.setActive(0, false);
        lkd.setActive(4, false);
        LongSortedSet s1 = lkd.activeSetView();
        LongSortedSet s2 = lkd2.activeSetView();
        assertThat(unionSize(s1, s2), equalTo(5));
    }
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                   hasSize(0));
    }

    @Test
    public void testSetUnionSame() {
        LongSortedSet set = packedSet(5, 3, 27);
        assertThat(setUnion(set, set), contains(3L, 5L, 27L));
    }
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Related Classes of it.unimi.dsi.fastutil.longs.LongSortedSet

  • org.grouplens.lenskit.basic.SimpleCachingItemScorer
  • org.grouplens.lenskit.collections.LongSortedArraySetTest
  • org.grouplens.lenskit.collections.LongUtilsTest
  • org.grouplens.lenskit.data.dao.packed.BinaryRatingPacker
  • org.grouplens.lenskit.eval.traintest.OutputPredictMetric
  • org.grouplens.lenskit.knn.item.ItemItemGlobalScorer
  • org.grouplens.lenskit.knn.item.model.ItemItemBuildContext
  • org.grouplens.lenskit.knn.item.model.NormalizingItemItemModelBuilder
  • org.grouplens.lenskit.vectors.ImmutableSparseVector
  • org.grouplens.lenskit.vectors.SparseVectorTestCommon
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