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Contents
/*
* 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 THETA_A_NOT_B_HPP_
#define THETA_A_NOT_B_HPP_
#include "theta_sketch.hpp"
#include "theta_set_difference_base.hpp"
namespace datasketches {
template<typename Allocator = std::allocator<uint64_t>>
class theta_a_not_b_alloc {
public:
using Entry = uint64_t;
using ExtractKey = trivial_extract_key;
using CompactSketch = compact_theta_sketch_alloc<Allocator>;
using State = theta_set_difference_base<Entry, ExtractKey, CompactSketch, Allocator>;
explicit theta_a_not_b_alloc(uint64_t seed = DEFAULT_SEED, const Allocator& allocator = Allocator());
/**
* Computes the a-not-b set operation given two sketches.
* @return the result of a-not-b
*/
template<typename FwdSketch, typename Sketch>
CompactSketch compute(FwdSketch&& a, const Sketch& b, bool ordered = true) const;
private:
State state_;
};
// alias with default allocator for convenience
using theta_a_not_b = theta_a_not_b_alloc<std::allocator<uint64_t>>;
} /* namespace datasketches */
#include "theta_a_not_b_impl.hpp"
# endif
Version data entries
11 entries across 11 versions & 1 rubygems