211b624cde
* CMake has not been updated yet * bazel was compiling at least last week bazel: disable math opt facility_location.py missing some dependencies...
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef OR_TOOLS_MATH_OPT_ELEMENTAL_TESTING_H_
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#define OR_TOOLS_MATH_OPT_ELEMENTAL_TESTING_H_
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#include <cstdint>
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#include <random>
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#include <vector>
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#include "ortools/math_opt/elemental/attr_key.h"
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namespace operations_research::math_opt {
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// Creates `num_keys` random `AttrKey<n>`s. Each element is in the range
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// `[0, id_bound)`.
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template <int n, typename Symmetry>
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std::vector<AttrKey<n, Symmetry>> MakeRandomAttrKeys(const int num_keys,
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const int64_t id_bound) {
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std::minstd_rand rng;
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rng.seed(1234); // For reproducibility.
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std::uniform_int_distribution<int64_t> rand(0, id_bound - 1);
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std::vector<AttrKey<n, Symmetry>> keys;
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keys.reserve(num_keys);
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for (int i = 0; i < num_keys; ++i) {
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if constexpr (n == 0) {
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keys.emplace_back();
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} else if constexpr (n == 1) {
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keys.emplace_back(rand(rng));
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} else if constexpr (n == 2) {
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keys.emplace_back(rand(rng), rand(rng));
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}
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}
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return keys;
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}
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} // namespace operations_research::math_opt
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#endif // OR_TOOLS_MATH_OPT_ELEMENTAL_TESTING_H_
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