| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include <iostream> |
| |
| #include <catch.hpp> |
| |
| #include "tuple_jaccard_similarity.hpp" |
| |
| namespace datasketches { |
| |
| using tuple_jaccard_similarity_float = tuple_jaccard_similarity<float, default_union_policy<float>>; |
| |
| TEST_CASE("tuple jaccard: empty", "[tuple_sketch]") { |
| auto sk_a = update_tuple_sketch<float>::builder().build(); |
| auto sk_b = update_tuple_sketch<float>::builder().build(); |
| |
| // update sketches |
| auto jc = tuple_jaccard_similarity_float::jaccard(sk_a, sk_b); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| // compact sketches |
| jc = tuple_jaccard_similarity_float::jaccard(sk_a.compact(), sk_b.compact()); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk_a, sk_b)); |
| } |
| |
| TEST_CASE("tuple jaccard: same sketch exact mode", "[tuple_sketch]") { |
| auto sk = update_tuple_sketch<float>::builder().build(); |
| for (int i = 0; i < 1000; ++i) sk.update(i, 1.0f); |
| |
| // update sketch |
| auto jc = tuple_jaccard_similarity_float::jaccard(sk, sk); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| // compact sketch |
| jc = tuple_jaccard_similarity_float::jaccard(sk.compact(), sk.compact()); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk, sk)); |
| } |
| |
| TEST_CASE("tuple jaccard: full overlap exact mode", "[tuple_sketch]") { |
| auto sk_a = update_tuple_sketch<float>::builder().build(); |
| auto sk_b = update_tuple_sketch<float>::builder().build(); |
| for (int i = 0; i < 1000; ++i) { |
| sk_a.update(i, 1.0f); |
| sk_b.update(i, 1.0f); |
| } |
| |
| // update sketches |
| auto jc = tuple_jaccard_similarity_float::jaccard(sk_a, sk_b); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| // compact sketches |
| jc = tuple_jaccard_similarity_float::jaccard(sk_a.compact(), sk_b.compact()); |
| REQUIRE(jc == std::array<double, 3>{1, 1, 1}); |
| |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk_a, sk_b)); |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk_a.compact(), sk_b)); |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk_a, sk_b.compact())); |
| REQUIRE(tuple_jaccard_similarity_float::exactly_equal(sk_a.compact(), sk_b.compact())); |
| } |
| |
| TEST_CASE("tuple jaccard: disjoint exact mode", "[tuple_sketch]") { |
| auto sk_a = update_tuple_sketch<float>::builder().build(); |
| auto sk_b = update_tuple_sketch<float>::builder().build(); |
| for (int i = 0; i < 1000; ++i) { |
| sk_a.update(i, 1.0f); |
| sk_b.update(i + 1000, 1.0f); |
| } |
| |
| // update sketches |
| auto jc = tuple_jaccard_similarity_float::jaccard(sk_a, sk_b); |
| REQUIRE(jc == std::array<double, 3>{0, 0, 0}); |
| |
| // compact sketches |
| jc = tuple_jaccard_similarity_float::jaccard(sk_a.compact(), sk_b.compact()); |
| REQUIRE(jc == std::array<double, 3>{0, 0, 0}); |
| } |
| |
| } /* namespace datasketches */ |