| /* |
| * 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. |
| */ |
| |
| #ifndef ARRAY_OF_DOUBLES_UNION_HPP_ |
| #define ARRAY_OF_DOUBLES_UNION_HPP_ |
| |
| #include <vector> |
| #include <memory> |
| |
| #include "array_of_doubles_sketch.hpp" |
| #include "tuple_union.hpp" |
| |
| namespace datasketches { |
| |
| template<typename A = std::allocator<double>> |
| struct array_of_doubles_union_policy_alloc { |
| array_of_doubles_union_policy_alloc(uint8_t num_values = 1): num_values_(num_values) {} |
| |
| void operator()(aod<A>& summary, const aod<A>& other) const { |
| for (size_t i = 0; i < summary.size(); ++i) { |
| summary[i] += other[i]; |
| } |
| } |
| |
| uint8_t get_num_values() const { |
| return num_values_; |
| } |
| private: |
| uint8_t num_values_; |
| }; |
| |
| using array_of_doubles_union_policy = array_of_doubles_union_policy_alloc<>; |
| |
| template<typename Allocator = std::allocator<double>> |
| class array_of_doubles_union_alloc: public tuple_union<aod<Allocator>, array_of_doubles_union_policy_alloc<Allocator>, AllocAOD<Allocator>> { |
| public: |
| using Policy = array_of_doubles_union_policy_alloc<Allocator>; |
| using Base = tuple_union<aod<Allocator>, Policy, AllocAOD<Allocator>>; |
| using CompactSketch = compact_array_of_doubles_sketch_alloc<Allocator>; |
| using resize_factor = theta_constants::resize_factor; |
| |
| class builder; |
| |
| CompactSketch get_result(bool ordered = true) const; |
| |
| private: |
| // for builder |
| array_of_doubles_union_alloc(uint8_t lg_cur_size, uint8_t lg_nom_size, resize_factor rf, uint64_t theta, uint64_t seed, const Policy& policy, const Allocator& allocator); |
| }; |
| |
| template<typename Allocator> |
| class array_of_doubles_union_alloc<Allocator>::builder: public tuple_base_builder<builder, array_of_doubles_union_policy_alloc<Allocator>, Allocator> { |
| public: |
| builder(const array_of_doubles_union_policy_alloc<Allocator>& policy = array_of_doubles_union_policy_alloc<Allocator>(), const Allocator& allocator = Allocator()); |
| array_of_doubles_union_alloc<Allocator> build() const; |
| }; |
| |
| // alias with default allocator |
| using array_of_doubles_union = array_of_doubles_union_alloc<>; |
| |
| } /* namespace datasketches */ |
| |
| #include "array_of_doubles_union_impl.hpp" |
| |
| #endif |